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Disassembly-assembly manual for tractor BELARUS-1221.2/1221

В

.2/1221.3/1221.4

104

4.6 Brakes

Tractors are equipped with foot-driven working brakes and separate parking stand-by brake with

manually driven lever.

Left- and right-side foot brakes are engaged for simultaneous braking of both wheels with

interlocked pedals, or separately for brake left or right wheel.

Separate braking is used in performing some works when enhanced tractor, or tractor aggregate

manoevrability is required with minimum turning radii through inside wheel braking.

Parking brake is mounted on housing of right-side foot brake and is designed for keeping tractor in

place during parking, it is allowed to use it for short time for braking tractor when foot brakes fail.

During tractor travel rotation from cross bar of differential (2), (figure 4.127), via shaft (3) is

transferred to brake disks (5) of parking brake. When pulling brake lever, squeeze disks (4), turning
relative each other, move apart and brake braking disks and shaft (3) connected to them and
differential cross bar, interlocking via satellites (1) half-axle gears (7) of differential, side and final
gears, and tractor wheels.

1 – satellite; 2 – differential cross bar; 3 – shaft of parking-stand-by brake; 4 – squeeze disks of

parking brake; 5 – brake disks of parking brake; 6 – housing; 7 – half-axle gear, 8 – tie-rod for
shifting parking brake.

Figure 4.127

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Содержание Belarus 1221.2

Страница 1: ...BELARUS 1221 2 1221В 2 1221 3 1221 4 1221 0000010 РРС DISASSEMBLY ASSEMBLY MANUAL Minsk Tractor Works 2010 ...

Страница 2: ...ually installed on your tractor Overall dimensions and values of mass are approximate for reference purpose only You can obtain more detailed information from your dealer of trade mark BELARUS _______________________________________________________________________ Minsk Tractor Works RUE 2010 All rights reserved No part of this manual may be reproduced in any form whatsoever without written permis...

Страница 3: ...Y OF FUEL TANK 1221 1101500 MOUNTED ON TRACTORS BELARUS 1221 2 1221В 2 1221 3 1221 4 WITH ENGINES MMZ AND DEUTZ WITH TWO CYLINDERS OF LIFT LINKAGE HYDRAULIC LIFT OF THE HYDRAULIC SYSTEM 26 3 9 DISASSEMBLY ASSEMBLY OF AIR PURIFIER UNIT MOUNTED ON TRACTORS BELARUS 1221 2 1221В 2 1221 3 1221 4 MMZ 28 3 10 DISASSEMBLY ASSEMBLY OF AIR PURIFIER UNIT MOUNTED ON TRACTORS BELARUS 1221 4 DEUTZ 29 3 11 DISAS...

Страница 4: ...5 DISASSEMBLY OF REDUCED GEARS SHAFT 77 4 4 6 DISASSEMBLY OF GEAR TRAIN SHAFT 80 4 4 7 DISASSEMBLY OF CONTROL MECHANISM 84 4 4 8 ASSEMBLY OF GEAR BOX 85 4 5 REAR AXLE 87 4 5 1 DISASSEMBLY OF REAR AXLE 87 4 5 2 ASSEMBLY OF REAR AXLE 94 4 5 3 ADJUSTING REAR AXLE 100 4 6 BRAKES 104 4 6 1 DISMOUNTING OF PARKING AND RIGHT SIDE FOOT BRAKE AS AN ASSEMBLY 105 4 6 2 DISASSEMBLY OF PARKING BRAKE 105 4 6 3 D...

Страница 5: ...AILER BRAKES FOR TRACTOR BELARUS 1221 4 WITH ENGINE DEUTZ 142 4 11 DISMOUNTING OF COMPONENTS OF ONE WIRE PNEUMATIC DRIVE OF TRAILER BRAKES FOR TRACTOR BELARUS 1221 4 WITH ENGINE MMZ 145 4 12 DISMOUNTING OF COMPONENTS OF TWO WIRE PNEUMATIC DRIVE OF TRAILER BRAKES 147 4 13 DISASSEMBLY ASSEMBLY OF REAR PTO 149 4 13 1 DISASSEMBLY ASSEMBLY OF REAR PTO CONTROL 159 4 13 2 ADUSTMENT OF PTO 162 5 FRONT DRI...

Страница 6: ...F TRACTORS REAR WHEELS 230 8 6 2 DISASSEMBLY ASSEMBLY OF METAL FENDERS OF TRACTORS REAR WHEELS 231 8 7 DISASSEMBLY ASSEMBLY OF FRONT WHEELS FENDERS OF TRACTORS BELARUS 1221 AND MODIFICATIONS 233 8 8 DISMOUNTING MOUNTING OF AIR CONDITIONER OPTION MOUNTED ON TRACTORS BELARUS 1221 3 1221 4 234 8 9 CHECK AND ADJUSTMENT OF TENSION OF THE BELT OF AIR CONDITIONER COMPRESSOR DRIVE 237 9 HYDRAULIC HINGE SY...

Страница 7: ...OUNTING MOUNTING CABIN 273 11 6 CONTROL OF DI FDA AND FRONT PTO 1221 8700210 Д ELECTRICAL PART MOUNTED ON TRACTORS BELARUS 1221 3 278 11 7 CONTROL OF DI FDA PTO AND REDUCTION GEAR 1221 8700250 Д ELECTRICAL PART MOUNTED ON TRACTORS BELARUS 1221 3 281 11 7 2 OPERATIONS TO BE MADE WHEN DISMOUNTING MOUNTING THE CABIN 283 11 8 CONTROL OF DI AND FDA MMZ OR DEUTZ ELECTRICAL PART MOUNTED ONTRACTORS BELARU...

Страница 8: ...ed in this manual is accurate at the time of this manual compilation As tractors BELARUS are continually updated Minsk Tractor Works PA reserves the right to introduce design amendments without notifying the customers All data given in this manual can be amended and illustrative materials can differ from those describing tractors currently manufactured ATTENTION Carefully study and strictly follow...

Страница 9: ...tractor when working under it tractor can move from jacks and injure or maim you unless wheels are blocked with wedges on both sides Always block front and rear wheels of tractor which must always be jacked Always place raised section of tractor on supports before starting any work 5 Make sure tractor will remain immobile shift gear in the gear box engage parking brake shut down the engine and pul...

Страница 10: ...of interlocked brakes pedals is 90 110 mm with effort of 600 N 12 Make sure clutch pedal has free travel and reliably returns to initial position Pedal hang up in intermediate positions and at free travel section is not allowed Clutch must provide full disengagement smooth engagement and not slip during operation 13 Upon completion of repair works related to transmission run in the tractor for 30 ...

Страница 11: ...driving shafts of final drives foot brakes parking brake and differential interlock coupling are installed Rear power take off PTO is synchronous speed of PTO shank rotation depends on speed of tractor wheels rotation and stand alone speed of PTO shank rotation doesn t depend on speed of tractor wheels rotation two speed rotation speed of stand alone PTO shank is 540 rev min and 1000 rev min Three...

Страница 12: ...of front and rear glass windscreen washer rear view mirrors Natural ventilation is provided through side and rear windows and hatch Fuel tank for tractors with hydraulic lift is made of plastic and is mounted under the cabin in the tractor middle section Diesel is closed with bonnet for tractors BELARUS 1221 2 1221В 2 from top without sides metal for tractors BELARUS 1221 3 1221 4 with removable s...

Страница 13: ...ia of tractor BELARUS 1221 2 1221В 2 b drain cooling fluid from the tractor cooling system c drain oil from engine by having unscrewed plug in bottom section of engine pan d drain oil from HSC system see section 7 1 Disassembly assembly of units of hydrostatic steering mounted on tractors BELARUS 1221 2 1221 3 1221 4 with engine MMZ e loosen silicon branch pipes of supercharged air cooler see sect...

Страница 14: ...acing engine 11 6 1 Operations performed when replacing engine 11 7 1 Operations performed when replacing engine g for tractors BELARUS 1221 4 with engine MMZ see section 11 10 1 Operations performed when replacing engine h disconnect branch pipes of water radiator from engine see section 3 7 Dismounting mounting the cooling system mounted on tractors BELARUS 1221 2 1221В 2 1221 3 i dismount muffl...

Страница 15: ...BELARUS 1221 2 1221В 2 1221 3 1221 4 with engine MMZ l dismantle HSC metal oil pipes 11 12 by disconnecting them from high pressure sleeves see Figure 7 1 section 7 1 Disassembly assembly of hydrostatic steering controlunits mounted on tractors BELARUS 1221 2 1221 3 1221 4 with engine MMZ or Figure 7 6 section 7 1 2 Disassembly assembly узлов of hydrostatic steering controlsystem mounted on tracto...

Страница 16: ... 15 1 support fastening bolt 2 adjustment bolt 3 check nut 4 support 5 shock absorber Figure 3 4 Front engine support o connect lifting mechanism to diesel for slinging diagram see Figures 3 5 1 eye bolt 2 steel rope chain 3 beam 4 grip Figure 3 5 Diagram of slinging diesel MMZ ...

Страница 17: ...rder having fulfilled the following requirements Torques for threaded connections that are not given correspond to class II under Industry Standard STP 212 2226 2006 Before mounting the engine make adjustment of clutch see section 4 3 2 Disassembly assembly of clutch coupling After installation of engine on tractor torque а torque bolts 4 6 7 Figure 3 1 for fastening semi frame 1523 2800010 01 to ...

Страница 18: ... 4 with engine Deutz е dismount engine harness see sections 11 8 1 Operations performed when replacing engine 11 9 1 Operations performed when replacing engine f disconnect water radiator branch pipes from engine as described in section 3 6 Dismounting mounting cooling system mounted on tractors BELARUS 1221 4 with engine Deutz g disconnect condenser and drive of air conditioner compressor dependi...

Страница 19: ...ounted on tractors BELARUS 1221 4 Deutz l dismantle HSC oil lines 8 5 Figure 3 8 and undock from engine oil lines 10 by dismounting brace 9 Figure 3 8 HSC Deutz m dismantle cardan shaft of FDA drive n connect lifting mechanism to diesel for slinging diagram see Figure 3 9 o disconnect front bar from engine as described in section 10 3 Disconnecting front bar from engine Deutz ...

Страница 20: ...diesel sheet to clutch body disconnect diesel having pulled it forward until clutch coupling goes out of clutch body bell and raise it using lifting mechanism Make assembly in reverse order having fulfilled the following requirements а torque threaded connections of bolts 5 and 6 Figure 3 6 to 350 380 N m b torque threaded connections 9 Figure 3 6 to 220 250 N m c torque threaded connections 8 Fig...

Страница 21: ...C mounted on tractors BELARUS 1221 3 а loosen collars 2 Figure 3 10 and shift heat resistant silicon branch pipes 3 off air conduits 1 and cooler 8 b unscrew bolts 4 5 7 that fasten cooler to water radiator and air conduit to inlet collector remove cooler air conduit and spacer 6 Make mounting in reverse sequence Figure 3 10 ...

Страница 22: ...gure 3 11 b shift heat resistant silicon branch pipes 13 14 15 16 off air conduits 1 2 3 and supercharged air cooler 9 c unscrew bolts 5 that fasten supercharged air cooler to water radiator and dismantle the cooler Make mounting in reverse sequence 1 2 3 air conduit 5 bolt 6 nut 7 washer 8 plug 9 supercharged air cooler 10 11 12 collars 13 14 15 16 silicon branch pipes Figure 3 11 Supercharged ai...

Страница 23: ... SAC mounted on tractors BELARUS 1221 4 with engine Deutz а loosen collars 12 Figure 3 12 and shift heat resistant silicon branch pipes 5 14 15 off air conduits 1 2 3 and supercharged air cooler 16 b unscrew bolts fastening the cooler to water radiator and dismantle the cooler Make mounting in reverse sequence Figure 3 12 ...

Страница 24: ...S 1221 4 with engine MMZ e disconnect wires of terminal carrier socket if installed on fan diffuser 1 f unscrew six bolts 19 of fan diffuser 1 and disconnect diffuser g disconnect arm 3 from engine and arm 6 from radiator 29 h extract extension 4 with arms 3 and 6 j unpin and unscrew two crown nuts that fasten radiator 25 1 2 3 4 sealant 5 fan housing 8 arm 9 extension 10 11 arm 12 collar 13 bushi...

Страница 25: ...wo bolts 15 and dismantle expansion tank 4 d dismantle SAC see section 3 4 Dismounting supercharged air cooler SAC mounted on tractors BELARUS 1221 4 with engine Deutz e disconnect sealant 1 from radiator 24 having unscrewed four nuts f disconnect wires of terminal carrier socket if installed on fan diffuser g unscrew four bolts 15 of fan diffuser 3 and disconnect diffuser h disconnect plates 7 co...

Страница 26: ...6 c unscrew three bolts 31 32 33 and dismantle expansion tank ок 24 d disconnect wires of terminal carrier socket if installed on fan diffuser 6 e disconnect arm 12 from engine and arm 11 from radiator 47 f extract extension 13 with arms 11 12 g unscrew four bolts 33 of fan diffuser 6 and disconnect diffuser h unpin and unscrew two crown nuts for fastening radiator 47 j dismantle radiator with sea...

Страница 27: ...crew bolt 28 for fastening neck 31 8 unscrew collars 32 9 dismantle pipe 24 10 dismantle neck 31 11 remove collars 32 and branch pipe 33 12 dismantle angle 23 13 dismantle fuel intake 18 14 remove washers 19 and fuel line 17 15 dismantle point bolt 16 16 remove washers 15 and fuel line 14 17 unscrew nuts 3 fastening collars 21 18 dismantle collar 21 remove sealant 20 from it 19 unscrew screws 7 20...

Страница 28: ...Disassembly assembly manual for tractor BELARUS 1221 2 1221В 2 1221 3 1221 4 27 Figure 3 16 Fuel tank ...

Страница 29: ...21 3 1221 4 b loosen collars 6 and 9 Figure 3 17 c dismantle branch pipes 7 10 and air conduit 8 d loosen collars 11 e dismantle branch pipe 12 and air conduit 5 f unscrew bolts 4 g loosen fastening collars 3 h dismantle monocyclone 1 i dismantle air filter 2 j dismantle fastening collar 3 Make assembly of air purifier in reverse sequence 1 monocyclone 2 air filter 3 fastening collar 4 bolt 5 8 ai...

Страница 30: ...3 1221 4 b unscrew bolts 15 Figure 3 18 c dismantle arms 16 17 d loosen collars 12 e dismantle branch pipes 13 and air conduits 5 6 7 8 f unscrew nuts 14 g dismantle fastening collar 3 monocycle 1 and air filter 2 h unscrew bolts 11 i dismantle arms 4 9 10 Make assembly of air purifier in reverse sequence 1 monocyclone 2 air filter 3 fastening collar 4 9 10 16 17 arms 5 6 7 8 air conduits 11 15 bo...

Страница 31: ...dismantle metal sleeve 6 e loosening fastening of collars 20 f dismantle metal sleeve 19 g unscrew bolts 2 of dampers 3 h dismantle outlet pipe 1 as an assembly i unscrew bolt 10 j dismantle screen 22 k unscrew nuts 8 l dismantle braces 9 and muffler 21 m unscrew bolts 11 and 15 n dismantle supports 12 o unscrew bolts 13 р dismantle cross piece 14 q unscrew bolts 18 r dismantle branch pipe 17 and ...

Страница 32: ...LARUS 1221 2 1221В 2 1221 3 1221 4 31 1 outlet pipe 2 4 10 11 13 15 18 bolt 3 damper 5 guarding 6 metal sleeve 7 collar 8 nut 9 brace 12 support 14 cross piece 16 spacer 17 branch pipe 19 metal sleeve 20 collar 21 muffler 22 screen Figure 3 19 ...

Страница 33: ...ted cotter pins 19 and pins 18 f dismantle tie rod 30 having disconnected cotter pin 4 g disconnect spring 26 h unscrew bolts 24 i dismantle pedal 25 j to dismount reversal pedal 31 do the following 1 unscrew bolts 24 2 dismantle tie rod 33 having disconnected cotter pins 19 and pins 18 3 disconnect spring 32 4 loosen nuts 36 for fastening steel rope 37 to arms 35 and 38 5 disconnect bosses of ste...

Страница 34: ...ing retainer 10 washer 11 washer 12 friction washer 13 handle 14 steel rope 15 nut 16 washer 17 handle 18 pin 19 cotter pin 20 tie rod 21 lever 22 tie rod 23 tie rod 24 bolt 25 pedal 26 spring 27 tie rod 28 tie rod 29 tie rod 30 tie rod 31 pedal 32 spring 33 tie rod 34 boss 35 arm 36 nut 37 steel rope 38 arm Figure 3 20 Fuel supply control BELARUS 1221В 2 ...

Страница 35: ... and pins 18 c unscrew nuts 8 d dismantle bearing retainer 9 washers 10 and 11 friction washer 12 handle 13 e dismantle tie rods 27 28 29 having disconnected cotter pins 19 and pins 18 f dismantle tie rod 30 having disconnected cotter pin 4 g disconnect spring 26 h unscrew bolts 24 i dismantle pedal 25 j dismantle steel rope of engine shut down 14 and to do this 1 disconnect fixing element 2 with ...

Страница 36: ...n 5 nut 6 washer 7 arm 8 nut 9 bearing retainer 10 washer 11 washer 12 friction washer 13 handle 14 steel rope 15 nut 16 washer 17 handle 18 pin 19 cotter pin 20 tie rod 21 lever 22 tie rod 23 tie rod 24 bolt 25 pedal 26 spring 27 tie rod 28 tie rod 29 tie rod 30 tie rod Figure 3 21 Fuel supply control BELARUS 1221 2 1221 3 ...

Страница 37: ...nect tie rod 18 g unscrew nuts 12 h dismantle bearing retainer 11 washers 9 10 friction washer 8 handles 16 and 17 i disconnect tie rod 23 j unscrew bolts 5 k disconnect arm 13 as an assembly with sensor 1 and lever 4 l unscrew bolt 2 m disconnect leverг 4 n unscrew bolts 14 o disconnect sensor 1 Make assembly in reverse sequence 1 sensor of manual control 2 5 14 25 29 32 bolts 3 15 26 washers 4 l...

Страница 38: ...ween bodies are sealed with spacers 5 and 10 placed on sealant Oil is filled in transmission via fill in neck 20 up to level of mark F on oil metering glass on the right hand side of GSB in travel direction and in bodies of wet brakes via fill in openings 16 to level of check openings 12 on wet brakes bodies Oil is drained upon unscrewing draining plugs 8 14 on body of GSB RA and bodies of wet bra...

Страница 39: ...rs 27 cardan shaft of FDA Figure 4 2 Technical data Torque for tightening bolts of butt between clutch coupling body and GSB body is 320 400 N m butt of GSB body RA body is 250 320 N m Operation fluid oil М10Г2 or М10В2 State Standard GOST 8581 78 Oil pressure at temperature 45 55 С inside control system 0 9 1 0 MPa inside lubrication system 0 1 0 2 MPa ...

Страница 40: ... pipes of supercharged air cooler see section 1 for tractor BELARUS 1221 3 3 2 Dismounting supercharged air cooler SAC mounted on tractors BELARUS 1221 3 2 for tractors BELARUS 1221 4 with engine MMZ 3 3 Dismounting supercharged air cooler SAC mounted on tractors BELARUS 1221 4 with engine MMZ 3 for tracrors BELARUS 1221 4 with engine Deutz 3 4 Dismounting supercharged air cooler SAC mounted on tr...

Страница 41: ...n shaft k connect lifting mechanism to engine for slinging diagram see section 3 1 Dismounting mounting engines MMZ and Deutz l bring under clutch coupling body the threaded support Р 7521 01 or similar to it Figure 4 3 m to provide stable position of tractor front section put additional stationary support Р 7523 01 under bearing frame Figure 4 3 n unscrew bolts for fastening diesel back sheet to ...

Страница 42: ...h disconnect connectors on transmission sensors see section 11 4 Dismounting mounting elements of transmission electrical equipment i disconnect pipelines of brakes pneumatic drive as described in sections 1 4 8 Dismounting components of one wire pneumatic drive on trailer brakes for tractors BELARUS 1221 2 1221 3 2 4 9 Dismounting components of two wire pneumatic drive of trailer brakes 3 4 10 Di...

Страница 43: ...e 4 1 for fastening body of CC to GB and take aside CC body using screwed support Р 7010 00 Figure 4 5 or move it by means of lifting mechanism Figure 4 5 4 2 3 Dismounting disconnection of gear box body а disconnect engine from transmission as described in section 4 2 1 Disconnecting engine from transmission tractor undocking b disconnect clutch coupling body as described in section 4 2 2 Dismoun...

Страница 44: ...2003 Put one cardboard 1 mm thick spacer between CC and GB bodies Put two cardboard 0 5 mm thick spacers between GB and RA bodies f dock bodies by providing connection of slotted bushings and shafts and seating in slots Rotate shafts to make connection easier Attention When docking transmission and engine transmission shaft slots must fit slots of hubs of clutch driven disks Do it by rotating engi...

Страница 45: ...rew nut 19 and bolt 15 f remove arm 18 having unscrewed two bolts 16 g remove thrust 14 from pedal 6 having pulled out pin 13 h remove lever 25 having unscrewed bolt 11 i remove lever 10 from roller 9 having unscrewed bolts 7 11 j remove pedal 6 from roller 9 Make assembly and installation of clutch control parts and assemblies in sequence reverse to disassembly During assembly grease pedal hub 6 ...

Страница 46: ...or tractor BELARUS 1221 2 1221В 2 1221 3 1221 4 45 4 3 1 1 Disassembly assembly of clutch control units for BELARUS 1221В 2 Observe the following sequence of disassembly of clutch control units Figure 4 8 Figure 4 8 Clutch control ...

Страница 47: ...ving unscrewed two bolts 23 4 remove working cylinder 14 from pedal 12 having pulled out pin 11 5 remove spring 13 from hydraulic booster 3 and tie rod 6 5 1 disconnect tie rod 6 having pulled out pin 11 5 2 disconnect pipelines 18 29 from hydraulic booster 3 having unscrewed bolts 17 5 3 unscrew two bolts 5 remove hydraulic booster 3 from the arm 6 unscrew bolt 22 remove rod 21 6 1 remove lever 9...

Страница 48: ...re 4 10 Main cylinder of clutch control on reversal e disassembly hydraulic booster Figure 4 11 to do this 1 remove covers 3 having unscrewed bolts 8 10 2 pull out piston 6 pusher 13 3 remove locking ring 16 pull out spring 14 ball 7 4 make assembly of hydraulic booster in sequence reverse to disassembly grease friction surfaces with thin coat of motor oil under State Standard GOST 8581 78 Figure ...

Страница 49: ...djusting and pumping of clutch control hydraulic system according to Operating manual of BELARUS 1221В 4 3 2 Disassembly assembly of clutch coupling 1 driven disk 2 bushing 3 middle disk 4 squeeze disk 5 thrust 6 14 24 washers 7 cotter pin 8 pin 9 squeeze lever 10 yoke 11 special spring 12 supporting disk 13 retaining plate 15 bolt 16 19 spring washer 17 adjustment nut 18 nut 20 cup 21 squeeze spr...

Страница 50: ...ssembly assembly manual for tractor BELARUS 1221 2 1221В 2 1221 3 1221 4 49 Figure 4 13 f remove second driven disk 7 Figure 4 14 Figure 4 14 g install squeezing device 1 on disks as an assembly Figure 4 15 ...

Страница 51: ... of squeezing device and dismount supporting disk l unpin pin and dismount axles of squeeze levers and squeeze levers Figure 4 16 ATTENTION Instead of device one can use three bolts Ml2x100 Before dismounting clutch from flywheel bolts 2 Figure 4 16 must be screwed in technological openings of disks in place of bolts Ml2x40 Having screwed nuts 1 of bolts 2 inside supporting disk to the end provide...

Страница 52: ... set of disks on flywheel pins and fasten with six nuts Figure 4 17 ATTENTION For convenience of assemblying supporting disk with squeeze disk fasten ends of spring 1 with grips 2 Figure 4 17 Pass levers 3 in grooves of supporting disk after they are installed on squeeze disk Contract supporting disk by means of special device and put technological bolts or contract disks by means of elongated tec...

Страница 53: ...queeze levers by adjustment nuts 1 having set distance from supporting surfaces of levers to end face of supporting disk hub equal to 13 5 14 5 mm Figure 4 20 Variation of dimension for individual leverов must not exceed 0 3 mm After adjustment secure nuts 4 Figure 4 20 against turning through by retaining plates 5 ...

Страница 54: ...haft 10 and connected to it by means of tooth clutch 1 arm 2 driving gear of hydraulic system pump 3 4 5 bearings 6 driving shaft 7 bushing 8 power shaft 9 tooth clutch 10 driven shaft of PTO drive 11 gear of stage II of PTO drive 12 roller 13 yoke 14 gear of stage I of PTO drive 15 16 17 driving gears of transmission hydraulic system Figure 4 21 The pump of transmission hydraulic system is driven...

Страница 55: ...wer shaft 19 ring 20 bushing 21 axle 22 ring 23 washer 24 bearing 25 ring 26 ring 27 gear 28 bearing 29 bushing 30 washer 31 bolt 32 gear 33 bearing 34 ring 35 gear 36 bearing 37 gear 38 axle 39 bearing 40 ring 41 washer 42 nut 43 cotter pin 44 roller 45 plate 46 bolt 47 bearing 48 ring 49 washer 50 gear 51 bearing 52 driven shaft 53 PTO driving shaft 54 yoke 55 bolt 56 wire 57 gear 58 bearing 59 ...

Страница 56: ...ng and tie rod do the following а unpin pin and pull out pin 2 Figure 4 23 disconnect tie rod 1 b unscrew bolt 4 remove lever 3 Figure 4 23 To dismount tap yoke and clutch coupling roller do the following а unscrew bolt 4 Figure 4 24 for yoke fastening b pull roller 2 out of clutch body having first removed yoke 3 and boss 5 from it c remove tap 1 Figure 4 24 To dismount shaft driven PTO drive yok...

Страница 57: ...4 26 d unscrew crown nut 1 Figure 4 27 of PTO drive driven shaft Figure 4 27 e knock driven shaft 1 Figure 4 28 of PTO drive outwards and extract it from clutch body together with gear of stage II f screw two technological bolts inside threaded openings of cup 2 and using them press out cup 2 together with bearing g press bearing out of cup ...

Страница 58: ...1 3 1221 4 57 Figure 4 28 h remove ring 1 Figure 4 29 that locks gear 2 on shaft 4 i remove washer 3 and gear 2 Figure 4 29 j remove bearing 1 Figure 4 30 from shaft 2 Figure 4 30 k remove locking wire unscrew bolt 3 Figure 4 31 for fastening yoke 2 l remove clutch 1 ...

Страница 59: ...ew bolt 5 Figure 4 32 and remove plate 6 n knock roller 4 inside clutch body o extract yoke 2 Figure 4 31 and gear 7 Figure 4 33 of I stage of reduction gear Figure 4 32 Figure 4 33 To dismount pump driving gears of transmission hydraulic system do the following а unpin and unscrew nut 1 Figure 4 34 ...

Страница 60: ...21 4 59 Figure 4 34 b press out gear 1 Figure 4 35 together with axle bearingом and locking ring c remove washer 2 Figure 4 35 d remove locking ring 3 Figure 4 36 а e press axle 1 Figure 4 36 а with bearing 2 off gear 4 Figure 4 36 б f press bearing off axle а b Figure 4 36 ...

Страница 61: ...21В 2 1221 3 1221 4 60 g press out shaft gear 1 Figure 4 37 together with bearingом and locking ring h pull out gear 2 Figure 4 37 i remove locking ring 1 Figure 4 38 j press out bearing 2 Figure 4 38 k press bearing 1 Figure 4 39 off clutch body Figure 4 39 ...

Страница 62: ...he following а unscrew bolt 2 Figure 4 40 and remove thrust washer 3 b unscrew two bolts 1 and remove bar 4 Figure 4 40 c using knocker 1 Figure 4 41 press gear axle off clutch body Figure 4 41 d pull out gear 2 Figure 4 42 with two bearings and two rings through upper hatch of clutch body Figure 4 42 e press bearing 1 Figure 4 43 off gear ...

Страница 63: ...earing Figure 4 43 g press out bushing 1 Figure 4 44 Figure 4 44 To dismount shaft of driving PTO drive tap arm do the following а unscrew three nuts 1 Figure 4 45 b inside threaded openings of tap arm 2 screw technological bolts М10 х30 3 and using them press tap arm off clutch body c remove oil catching washer Figure 4 45 ...

Страница 64: ...1 2 1221В 2 1221 3 1221 4 63 d press off clutch body driving shaft of PTO drive 1 Figure 4 46 with two bearings Figure 4 46 e press sealing ring off tap arm Figure 4 47 Figure 4 47 f press bearing 1 off driving shaft of PTO drive Figure 4 48 Figure 4 48 ...

Страница 65: ...ELARUS 1221 2 1221В 2 1221 3 1221 4 64 g remove locking ring 1 from the shaft Figure 4 49 Figure 4 49 h press the second bearing 2 off the shaft Figure 4 50 Figure 4 50 g press sealing ring 1 Figure 4 51 off the shaft of PTO drive Figure 4 51 ...

Страница 66: ...s rotate in bearings c tap of clutch coupling must move free and without jams across arm working surface lubricated with consistent grease d limiting plate that fixes roller inside clutch must be tightened with bolt to the end e tooth clutch that shifts PTO modes must travel free along shaft splines and come into engagement with driven gears f yoke for tap control and yoke for shifting PTO gears m...

Страница 67: ...rive c unscrew bolts 5 9 and dismantle pipelines 4 lubrications of FDA bushing pipeline 2 lubrications of rear axle differential and 1 interlocks of rear axle differential d disconnect electric wiring of electromagnetic valves 14 and sensors 10 3 e disconnect pipe connection 6 bolts 7 using dismounting openings 8 remove cover 11 Figure 4 53 f unscrew bolts 1 Figure 4 54 and nuts for fastening gear...

Страница 68: ...m units gears assembly and gear shifting yokes а unscrew bolts 1 Figure 4 55 and dismount left side cover 2 Figure 4 55 b move lever for switching on transmission pump 1 Figure 4 56 clockwise to the end Figure 4 56 c unscrew fastening bolts 2 Figure 4 56 using dismounting bolts 3 remove pump drive 4 Figure 4 57 as an assembly ...

Страница 69: ...tor BELARUS 1221 2 1221В 2 1221 3 1221 4 68 Figure 4 57 d unscrew bolts 2 Figure 4 58 dismantle filter distributor 1 meshed filter 3 and spacers Figure 4 58 e unscrew bolts 1 Figure 4 59 and dismount yokes body 2 as an assembly with yokes ...

Страница 70: ...ut 7 for fastening cup 4 to GB body screw two bolts in technological openings А of cup and using them press unit of gears as an assembly off GB Unscrew bolts out of technological openings in place of them screw in two eye bolts and dismantle gears assembly А technological opening 1 bolt 2 primary shaft 3 pipe for lubricant supply to primary shaft 4 cup 5 collar 6 PTO drive shaft 7 nut Figure 4 60 ...

Страница 71: ...e springs 6 11 fixing elements 1 10 pin 5 balls 2 4 9 18 and axle 3 Figure 4 61 k unpin and unscrew bolts 2 Figure 4 62 of yokes 1 on leads 3 knock leads out of body and pull out yokes Figure 4 62 l extract ball 3 Figure 4 63 fixing element 2 spring 1 out of GB body under rear travel lead ...

Страница 72: ... 3 1221 4 71 Figure 4 63 4 4 3 Disassembly of gears assembly а unscrew bolts 1 Figure 4 64 and remove bushing of lubricant conduit 3 cover 2 cup 4 b unscrew nuts 5 dismount thrust washers Figure 4 64 с press cup 9 Figure 4 65 together with bearings 6 off shafts 7 and 8 ...

Страница 73: ...assembly of primary shaft а remove washer 1 Figure 4 66 gear 3 bearing 2 synchronizer 6 Figure 4 66 b remove locking ring 4 press bushing of synchronizer 5 remove gear 7 and bearing 8 с press bearing 19 Figure 4 68 off shaft 9 Figure 4 67 bearing 17 Figure 4 68 gear 16 synchronizer 13 Figure 4 67 ...

Страница 74: ...1 4 73 d remove locking ring 15 bushing of synchronizer 14 bearing 11 gear 12 Figure 4 68 Disassembly of intermediate shaft а press off intermediate shaft 5 Figure 4 69 gears 1 2 3 4 Figure 4 69 b dismantle bushings 1 Figure 4 70 Figure 4 70 с press off bearing 1 Figure 4 71 ...

Страница 75: ...y assembly manual for tractor BELARUS 1221 2 1221В 2 1221 3 1221 4 74 Figure 4 71 d press off cup 3 Figure 4 72 bearings 1 and 2 Figure 4 72 4 4 4 Disassembly of reduction gear section Secondary shaft Figure 4 73 ...

Страница 76: ...her 15 bolt 16 bearing 17 shaft 18 spacer 19 spacer а unscrew nut 1 Figure 4 74 and knock out shaft 11 without damaging threaded section b extract from body internal shell of bearing 2 washer 3 gears 5 8 10 bushing 7 bearings 4 and 9 tooth clutch 6 Figure 4 74 с press external shell of bearing 2 Figure 4 75 off box body d unscrew bolts 1 screw two bolts in dismounting openings 2 then remove cup 3 ...

Страница 77: ...ssembly manual for tractor BELARUS 1221 2 1221В 2 1221 3 1221 4 76 Figure 4 75 e press off cup 1 Figure 4 76 external bearing shell Figure 4 76 f press off shaft 1 Figure 4 77 internal shell of bearing 2 Figure 4 77 ...

Страница 78: ... 3 cup 4 bolt 5 washer 6 throttle 7 nut 8 washer 9 bearing 10 washer 11 gear 12 gear 13 ring 14 bushing 15 bearing 16 gear 17 clutch 18 nut 19 ring 20 bearing 21 bushing 22 gear 23 shaft 24 bushing 25 ring Figure 4 78 а unscrew cap nuts 1 Figure 4 79 and dismantle pipeline 2 Figure 4 79 b unscrew bolts 1 Figure 4 80 and remove cup 2 Figure 4 80 ...

Страница 79: ... 78 с unscrew nut 1 Figure 4 81 and remove cup 2 Figure 4 81 d unscrew bolts 1 Figure 4 82 and remove locking bars 2 Figure 4 82 e knock out shaft 1 Figure 4 83 so that to remove locking ring 2 Figure 4 83 f knock out shaft with bearings bushing and nut as shown in figure 4 84 ...

Страница 80: ...ractor BELARUS 1221 2 1221В 2 1221 3 1221 4 79 Figure 4 84 g extract from GB body gears bushings and tooth clutch Figure 4 85 Figure 4 85 h unscrew nut 1 Figure 4 86 i press bearing 2 off shaft j remove bushing 3 bearing 4 Figure 4 86 ...

Страница 81: ...haft 2 ring 3 bearing 4 gear 5 ring 6 gear 7 bearing 8 bushing 9 bearing 10 gear 11 bushing 12 bearing 13 bar 14 washer 15 bolt 16 bushing 17 impeller 18 PTO drive shaft 19 pin Figure 4 87 а remove locking ring 2 Figure 4 88 and impeller 1 Figure 4 88 b press off gear 1 Figure 4 89 as an assembly with bearings and bushing ...

Страница 82: ...r BELARUS 1221 2 1221В 2 1221 3 1221 4 81 Figure 4 89 с press bearing 1 Figure 4 90 off gear 2 Figure 4 90 d through opening in gear 1 Figure 4 91 press external shell of bearing 2 off gear boring extract bushing 4 and bearing 3 Figure 4 91 ...

Страница 83: ...ure 4 92 gear 2 with internal bearing shell Figure 4 92 f remove locking ring 1 Figure 4 93 knock out shaft 2 extract gear 3 Figure 4 93 Dismount FDA drive in accordance with recommendations of section Disassembly of FDA drive а press out bearing 1 Figure 4 94 Figure 4 94 Disassembly of control mechanism of range 3 4 ...

Страница 84: ...npin washer 2 Figure 4 95 and unscrew bolt 3 dismantle yoke 1 Figure 4 95 с unscrew bolt 11 Figure 4 96 and extract washer 12 spring 10 guide 9 ball 8 and lead 7 Figure 4 96 d remove locking ring 5 unscrew bolt 1 and remove plate 2 e knock out axle 6 remove rocker 4 and extract lead 3 ...

Страница 85: ...prings 22 guide 23 and ball 24 g unscrew bolts 30 for fastening levers 29 and 32 extract bosses 31 extract shafts 14 and 15 levers 29 32 h unscrew limiting member 28 remove washer 27 pull out spring 26 fixing element 25 i unscrew bolts 19 remove body 13 and spacer 20 1 lever 2 pin 3 joint 4 bolt 5 spacer 6 cover 7 pin 8 sheath 9 clamp 10 bolt 11 lever 12 lever 13 body 14 shaft 15 shaft 16 spring 1...

Страница 86: ...assembly of GB pay attention to When installing gears assembly Between end face of gear 16 and end face of bearing 15 place a device excluding skew of external shell of bearing Using lifting mechanism lower gears assembly inside gear box body See that clutch 14 and yoke driving it were put put om gear train and when mounting gears assembly splines of clutch 14 came into engagement with splines int...

Страница 87: ...Disassembly assembly manual for tractor BELARUS 1221 2 1221В 2 1221 3 1221 4 86 Figure 4 98 ...

Страница 88: ... clutch 6 for differential interlocking as an assembly e dismount parking and foot brakes see section 4 6 Brakes f dismount rear wheel hubs and for this 1 unscrew bolts 1 for fastening inserts 3 Figure 4 100 2 while screwing bolts 1 in dismounting openings А dismount inserts 3 and hub 2 3 unscrew bolts 1 out of dismounting openings Figure 4 99 Figure 4 100 g unscrew bolts 18 Figure 4 101 of cover ...

Страница 89: ...i press cups off bridge body and dismount differential 7 ATTENTION Cups 3 10 are dismantled without dismounting gears 5 9 of main drives j unscrew bolts 17 for fastening sleeves 1 11 screw bolts inside dismounting openings of sleeves flanges and dismount sleeves as an assembly with half axles and final drives k dismount shaft torsions 13 as an assembly with sun gears 16 l unscrew bolts 15 for fast...

Страница 90: ...r 5 d pull out cross piece 6 with satellites 7 washers 8 and rollers 17 e extract gear 15 and washer 14 f unbend locking plates 16 unscrew nuts 9 and remove gear 10 1 bearing 2 bolt 3 differential cover 4 washer 5 half axle gear 6 cross piece 7 satellite 8 washer 9 nut 10 driven gear 11 bolt 12 bearing 13 body 14 washer 15 half axle gear 16 locking plate 17 rollers Figure 4 102 g using puller Figu...

Страница 91: ...ng 3 bushing 4 spring 5 ring 6 connection pipe 7 adapter 8 sealant 9 ring 10 bolt 11 housing 12 bolt 13 cover 14 diaphragm 15 pressure disk 16 shaft 17 squeeze disk 18 friction disk 19 ptressure disk 20 friction disk Figure 4 104 с unscrew connection pipe 6 Figure 4 105 off adapter 7 d remove locking ring 9 sealant 8 adapter 7 Figure 4 105 e pull out of adapter ring 5 bushing 3 with ring 2 spring ...

Страница 92: ...es 20 g unscrew bolts 6 and remove cover 5 with sealing ring 4 Slightly knocking on inside end face of half axle 3 through soft metal spacer bronze brass aluminum press half axle off sleeve out of internal shell of bearing 2 and dismount half axle 1 ring 2 bearing 3 half axle 4 sealing ring 5 cover 6 bolt 7 sleeve 8 spacer 9 bearing 10 hub 11 crown gear 12 spacers 0 2 mm 0 5 mm 13 washer 14 washer...

Страница 93: ...e 4 108 Carrier а using knocker knock out build up pins 5 aiming to centre Figure 4 109 via spacer of soft metal press out axles 6 of satellites b remove washers 1 satellites 4 spacing rings 3 rollers 2 of satellite bearings 1 washer 2 roller 3 ring 4 satellite 5 pin 6 satellite axle 7 carrier Figure 4 109 Cup а remove locking ring 9 Figure 4 110 b remove sealing ring 10 from the cup ...

Страница 94: ...11 thrust ring 12 external shell of bearing Figure 4 110 с press out shell 6 with sealing ring as an assembly using puller and two dismountin threaded openining in shell d remove from shell 6 Figure 4 111 sealing ring 5 and press out sealing ring 8 Figure 4 111 e put glass on stand and press out shaft 1 Figure 4 112 with bearing 3 thrust ring 4 shell of bearing 5 f pull out gear 2 ...

Страница 95: ...gear 10 secure it with bolts 11 nuts 9 with locking plates 16 с put inside body 13 washer 14 with convex side facing gear 15 and gear 15 d put on cross piece 6 rollers 17 satellites 7 thrust washers 8 and place cross piece insode differential body e put on satellites gear 5 and washer 4 with convex side facing gea 5 f put cover 3 on body 13 having aligned marks or numbers on body 13 and cover 3 ti...

Страница 96: ...ifferential cover 4 washer 5 gear 6 differential cross piece 7 satellite 8 thrust washers 9 nut 10 driven gear 11 bolt 12 bearing 13 differential body 14 washer 15 gear 16 stop plate 17 rollers Figure 4 114 Final drives а press on half axle 7 Figure 4 115 inside ring of external bearing 5 heated in oil in advance to half axle collar to the end b put in sleeve ring 9 using rims А and Б с press insi...

Страница 97: ...should be set by applying effort or hammered down to washer 12 by light knocks via rim made of soft metal hammering down half axle via head of bolt 10 is unacceptable l secure bolt 10 with locking plate 13 but first grease plane of plate that abuts washer 12 with LITOL 24 by putting plate 13 on head of bolt in such a way that whiskers of plate were inserted in grooves of carrier 3 if necessary kee...

Страница 98: ...r of assembly and installation of differential interlock clutch is described in in section 4 6 Brakes General assembly of rear axle а put cups 2 Figure 4 117 as an assembly with drive shafts 1 inside borings of body 3 not bringing them to the end inside the body b mount differential 5 as an assembly с using adjustment shims 4 adjust tension of differential bearings Tension must be such that effort...

Страница 99: ...put bushings 5 in splines of gears 4 until bushings splines touch the bearing g put cups 6 with bearings in borings of body 3 and tighten with bolts 1 М 8 10 kgf l put cups so that two drainage openings were located at the same height from body bottom below half axles 1 bolt 2 shaft torsion 3 body 4 gear 5 bushing 6 cup Figure 4 119 h put crown gear 10 Figure 4 120 of PTO drive as an assembly and ...

Страница 100: ...all sleeves 8 and 13 Figure 4 120 as an assembly with planetary mechanisms and tighten them with bolts 12 М 18 22 kgf l k mount knuckle clutch 2 Figure 4 121 on shaft of PTO drive in extreme back position bring carrier of roller 1 that shifts PTO operation modes in its groove l connect gear box to rear axle and adjust main drive see section 4 5 3 Adjustment of rear axle Figure 4 121 ...

Страница 101: ...nserts in one plane 4 finally torque bolts 1 to 500 600 N m 50 60 kgf l Figure 4 122 4 5 3 Adjusting rear axle Adjusting conical bearings of differential and engagement of main deive gears Make adjustment during assembly made after rear axle repair as well as when axial clearance in differential bearings exceed 0 3 mm or lateral clearance in the engagement of main drive gears is over 0 8 mm Checki...

Страница 102: ...y reducing thickness of stack of spacers 4 under flange of left cup 2 obtain such tension of differential bearings that effort applied to external end face of driven gear teeth of main drive in order to turn through differential in bearings was in the range of 3 5 kgf 30 50 N Figure 4 124 Checking lateral clearance and tooth contact of engaged gears of main drive а bring indicator 1 Figure 4 125 t...

Страница 103: ... flange of right side cup 3 and put them under flange of left side cup 1 without changing total number of spacers and beaing in mind that diametrally opposite stacks of spacers should have the same thickness с to increase lateral clearance rearrange part of spacers from left side cup putting them under the right side cup ATTENTION Check lateral clearance of main pair engagement and tightness of di...

Страница 104: ...ven in table Table 4 1 Position of tooth contact on driven gear The way to obtain correct engagement of gears Diagram Forward run Back run Correct gears engagement when checking under small load Move drive gear towards driven one Move drive gear away from driven one Move driven gear away from drive one Move driven gear towards drive one ATTENTION Replace worn out gears of main drive only in pair ...

Страница 105: ...right side foot brake and is designed for keeping tractor in place during parking it is allowed to use it for short time for braking tractor when foot brakes fail During tractor travel rotation from cross bar of differential 2 figure 4 127 via shaft 3 is transferred to brake disks 5 of parking brake When pulling brake lever squeeze disks 4 turning relative each other move apart and brake braking d...

Страница 106: ...sher 9 and disconnect lever 8 from brake yoke 4 с unpin and unscrew adjustment bolt tie rod 5 figure 4 130 of right side foot brake remove spherical washer 6 and disconnect lever of right side pedal 3 of brake control from yoke of brake 20 d unscrew bolts 15 figure 4 128 for fastening arm of shifting parking brake sheathes of parking and right side foot brakes e remove arm 16 with roller and lever...

Страница 107: ...en check nut 12 and unscrew yoke 13 from yie rod 11 d disconnect tie rod 11 from lever 2 to do this unpin and pull out pin 9 e unscrew button 20 off tie rod 17 then pull out spring 19 and washer 18 of lever 2 f remove handle 1 from lever 2 g disconnect tie rod 17 from fixing element 3 by pulling out cotter pin 16 1 handle 2 lever 3 fixing element 4 bolt 5 sector 6 washer 7 8 nut 9 pin 10 16 cotter...

Страница 108: ...brake 3 right side lever 4 left side lever 5 bolt tie rod 6 spherical washer 7 bolt 8 checknut 9 sheath 10 housing bolt 11 housing 12 brake disk 13 pressure disk 14 tightening spring 15 ball 5 pcs 16 key 17 lever 18 brake roller 19 tie rod 20 yoke 21 pin 22 pin 23 extension 24 spring 25 clamp bolt 26 cotter pin 27 washer Figure 4 130 4 6 5 Dismounting of clutch of differential interlock dry type а...

Страница 109: ...7 diaphragm 6 and pressure disk 5 b remove shaft 4 and disks 2 3 с unscrew connecting pipe 16 off adapter d remove stop ring 13 sealant and adapter 15 e remove out of adapter the ring 17 bushing 19 with ring 20 spring 18 f remove ring 20 from bushing 19 1 clutch body 2 friction disk 3 squeeze disk 4 interlock shaft 5 pressure disk 6 diaphragm 7 diaphragm cover 8 washer 9 bolt 10 housing 11 washer ...

Страница 110: ...4 6 8 Disassembly of two disk foot brake Note Disassembly of left side and right side foot brakes is identical а unscrew bolt tie rod 17 Figure 4 133 b remove sheath 15 by unpinning wire 16 с remove housing 1 as an assembly with brake pull pressure 3 as an assembly and two brake disks 2 out of sheath d remove three springs 4 from pressure disks 3 take them apart and pull five balls 5 out of profil...

Страница 111: ... on yoke 12 g pull yoke 12 while watching movement of pressure disks 3 With no effort exerted on yoke disks must return to initial position under action of tightening springs 4 h put brake disk 2 on shaft splines 8 of side gear then housing 1 as an assembly with brake disks 4 6 9 Disassembly of right side three disk brake а loosen check nut 9 Figure 4 134 and unscrew bolt 11 b remove spherical was...

Страница 112: ...es put five balls 14 and install second pressure disk tighten disks with springs 4 2 install tie rods 6 having connected them with disks 3 using pins 5 and with yoke 7 using pin 8 3 pull yoke 7 watching movement of pressure disks 3 4 after yoke affecting is stopped disks must return to initial position under action of tightening springs 5 install pins 5 and 8 tie rods 6 and yoke 7 6 surfaces of di...

Страница 113: ...al drive gear e install assembled friction clutch in a way to align splines of shaft 2 and differential crossbar 7 as well as splines of friction disks 3 and shaft 1 of final drive gear In case of splines misalignment repeat operations 2 5 f mount housing 9 and secure it with bolts 5 1 drive gear shaft 2 interlock shaft 3 clutch disks 4 rod 5 bolt 6 housing 7 differential crossbar 8 sealing ring 9...

Страница 114: ...ternal brake disk of parking brake 4 foot brake braking disks 5 foot brake housing 6 drive shaft 7 parking brake shaft 8 pressure disks of foot brakes 9 parking brake housing 10 ring Figure 4 136 d install arm 18 Figure 4 137 with levers 16 9 and secure with bolts 17 before mounting lever 16 lubricate lever axle with consistent grease 1 brake shaft 2 brake disk 3 pressure disks 4 yoke 5 tie rod 6 ...

Страница 115: ...n cabin side plate secure it with bolts 4 and mount on it on axle 15 lever 2 as an assembly with tie rod 17 1 handle 2 lever 3 fixing element 4 bolt 5 sector 6 washer 7 8 nut 9 pin 10 16 cotter pin 11 tie rod 12 checknut 13 yoke 15 axle 17 tie rod 18 washer 19 spring 20 button Figure 4 138 e connect tie rod 4 Figure 4 139 with lever 7 by means of pin 6 f put lever 1 to extreme bottom position loos...

Страница 116: ...eumatic system pressure 1 handle 2 sector 3 fixing element 4 tie rod 5 checknut 6 pin 7 9 lever 8 bolt Figure 4 139 4 6 14 Adjustment of foot brake valve and regulator of pneumatic system pressure 1 pedal of right side foot brake Figure 4 140 Make adjustment of brakes control in the following way а unscrew check nuts 3 Figure 4 141 of adjustment bolts 2 of right side and left side foot brakes ...

Страница 117: ...In this case disassembly the brake eliminate oil leakage wash oily disks with benzene and let them dry up for 5 8 min After assembly adjust brakes control 4 6 15 Adjustment of parking brake brake valve and regulator of pneumatic system pressure Put tractor on even terrain shut down the diesel lock rear axle from front and back and perform the following operations а shift lever of parking brake con...

Страница 118: ...ating in oil bath In order to enhance efficiency reliability and service life of tractor brakes the tractors of series 1000 are equipped with multi disk brakes operating in oil bath wet brakes Clutch of rear axle differential interlock is mounted inside brake body and has oil bath common with it so it is also made in wet version Design of brake Figure 4 144 Foot brakes eight disk Friction disks 2 ...

Страница 119: ...of series 1000 wet 4 disk parking brake is installed 8 made in common body with foot brake Parts of parking brake are unitized with foot brakes parts 4 6 17 Control of brakes The drive of foot brakes for tractors of series 1000 is mechanical by of levers and pedals Parking brake is steered mechanically Drives for control of foot brakes and wet type parking brake don t principally differ from those...

Страница 120: ...nscrew five bolts 21 fastening brake body 1 and cover 14 h remove cover 14 with adapter 15 as an assembly having screwed two bolts in disassembly openings В j dismount interlock clutch as an assembly 11 make clutch disassembly assembly in a way similar to clutch disassembly assembly of dry friction interlock see section 4 6 6 Disassembly assembly of differential interlock clutch i loosen checknut ...

Страница 121: ... performing the following operations 1 unscrew three screws 20 and disconnect cup cover 15 from body 1 remove spacer 13 2 take off upper stack of disks comprising three brakes 5 and two intermediate disks 6 3 pull out pressure disks as an assembly 18 if necessary unscrew four screws 8 and remove plate 12 and sheath 10 4 remove lower stack of disks on the side of body 1 comprising five brake disks ...

Страница 122: ...rake in order reverse to disassembly observing the following recommendations 1 before installing cup cover 15 Figure 4 147 check recession of upper surface А Figure 4 148 of brake disk 5 in relation to surface В of body 1 which must be within 0 50 0 70 mm Figure 4 148 2 if value of recession clearance goes beyond the range adjust it by selection and installation of intermediate disk 6 of required ...

Страница 123: ...50 and if damaged install new poronyte 1 mm thick spacer 4 install cup cover 15 and secure it with three screws 20 Figure 4 150 5 put sealing ring 16 and lubricate it with consistent grease to make mounting inside cup opening easier 6 before mounting brake as an assembly on the tractor align eight brake disks 5 Figure 4 151 by means of special mandrel А having splined section matching slot opening...

Страница 124: ... 152 Adapter for assembly and installation of brake Spline parameters Module m 2 5 Number of teeth z 20 Angle of initial contour profile а 300 Misalignment of initial contour Хm 1 125 Roller diameter Dm 5 5 Roller size Мa 61 157 160 0 284 0 Tooth thickness along arc of pitch line S 5 226 Dividing diameter d 50 ...

Страница 125: ...Disassembly assembly manual for tractor BELARUS 1221 2 1221В 2 1221 3 1221 4 124 ...

Страница 126: ...f cover 15 to cup Е to the end 15 cup cover А Mandrel В Mandrel shank С Left side gear of final drive D Pedals roller Е Cup К Bushing body Figure 4 153 8 mount DI clutch 11 Figure 4 145 cover 14 and adjustment bolt 20 make sure adapter doesn t jam 15 by turning it to small angle to the left and right 9 заправьте корпус тормоза трансмиссионным маслом до уровня контрольно заливной пробки 22 Figure 4...

Страница 127: ...he following operations 1 disconnect tie rod of rear PTO control 7 from lever of control valve 8 2 unscrew bolts of reversing triangles 2 4 6 and disconnect oil lines 1 3 5 correspondigly off control valve 3 unscrew two bolts 10 and disconnect contrpl valve from arm 9 4 take valve aside from foot brake zone for next disassembly of brake cover 11 and body с а 1 3 5 oil line 2 4 6 bolt of reversing ...

Страница 128: ...n 6 and washer 5 from pedals roller 1 2 unpin and remove pins 2 4 and disconnect control tie rods from levers 3 7 3 dismount lever 3 4 dismount lever 7 having unscrewed adjustment bolt of parking brake 8 5 unscrew five bolts 20 Figure 4 156 that fasten body of brake 13 and cover 9 6 screw disassembly bolt in threaded openings А of cover 9 and remove cover 7 remove external stack of disks 2 3 on th...

Страница 129: ...eck plug filler 18 adjustment bolt of parking brake 19 adjustment bolt of right side foot brake 20 bolt 21 checkрnut 22 23 yoke 24 washer 25 cotter pin 26 lever Figure 4 156 8 loosen checknut and unscrew adjustment bolt 18 off parking brake yoke 23 9 dismount pressure disks of parking brake as an assembly 8 and internal stack of disks 3 pcs 10 dismount parking brake shaft 11 11 remove cotter pin 2...

Страница 130: ... 15 sealing ring 16 final drive gear 17 check plug filler 18 adjustment bolt of parking brake 19 adjustment bolt of right side foot brake 20 bolt 21 checkрnut 2 yoke Figure 4 157 13 to dismount body 13 Figure 4 158 with foot brake as an assembly 2 3 6 7 22 Figure 4 157 screw two disassembly bolts in threaded openings В of brake body Remove body off mounting splines and pedals roller 4 Figure 4 158...

Страница 131: ...embly and install the brake in order reverse to disassembly in strict compliance with directions given in section 4 6 21 Assembly of left side brake b after installation of foot brake insert in opening С of drive final gear Е the parking brake shaft 11 Figure 4 160 having first lubricated neck of shaft В with grease LITOL 24 с mount parts of parking brake Figure 4 160 internal stack of disks 3 pcs...

Страница 132: ...k 11 parking brake shaft 13 brake body А Plane В Parking brake shaft neck С Opening of drive gear right side Е Final drive gear Figure 4 160 d install spacer 10 and cover 9 Figure 4 161 e put and tighten bolts for fastening brake 20 torque of bolts must be within 120 160 N m 9 cover 10 spacer 20 bolt Figure 4 161 ...

Страница 133: ...gure 4 163 as described above see item b of section 4 6 19 Assembly of left side brake h tighten check nut 21 Figure 4 162 18 parking brake bolt 19 foot brake bolt 21 checknut 21а checknut Figure 4 163 i adjust travel of lever 1 Figure 4 164 parking brake with bolt 18 Figure 4 163 so that when pulling lever with effort 200 N latch 2 Figure 4 164 would held in recess between second and third teeth ...

Страница 134: ...y а shift lever 1 Figure 4 164 to extreme forward disengaged position b loosen check nut 8 and remove pin 6 Figure 4 165 с shift lever 5 so that top edge of groove В1 of lever 4 matched top edge of groove В2 of lever 9 of the right side brake pedal d by changing length of tie rod 10 and rotating yoke 7 provide connection of tie rod 10 to lever 5 by means of pin 6 and cotterpin it 4 lever 5 lever 6...

Страница 135: ...t brakes are similar to those of dry brakes travel of pedals 110 120 mm upon effort of 300 N on one pedal is adjusted with bolts 25 Figure 4 144 Oil level in brakes bodies must reach edge of check plugs openings 22 Figure 4 145 on face walls of bodies Operations of changing oil in brakes body must be carried out at the same time with changing oil in transmission Grade of oil used for brakes must b...

Страница 136: ...act cotter pin 1 Figure 4 167 and disconnect pusher of main reverse cylinder 2 from pedal 3 by pulling out pin 4 4 dismount main reverse cylinder 5 from tractor cabin by unscrewing two bolts 6and having dismounted spring 7 5 extract cotter pin 8 and remove pedal 3 with washer 9 from the axle 6 remove angle 7 Figure 4 166 having unscrewed two bolts 10 7 extract cotter pins and disconnect tie rod 13...

Страница 137: ...Disassembly assembly manual for tractor BELARUS 1221 2 1221В 2 1221 3 1221 4 136 Figure 4 166 ...

Страница 138: ...Disassembly assembly manual for tractor BELARUS 1221 2 1221В 2 1221 3 1221 4 137 Figure 4 167 ...

Страница 139: ...ng for condensate release valve 6 Figure 4 168 Dismounting of cylinder 10 Figure 4 168 а unscrew screws of ollarов 2 cap nut 5 disconnect from cylinder 10 hose 1 and pipeline 4 b unscrew nuts 3 remove collars 9 and cylinder 10 с unscrew checknut 8 and disconnect pressure regulator 7 from cylinder 10 Figure 4 168 Dismounting of braking valve 4 Figure 4 169 а unscrew cap nuts 2 and 7 disconnect from...

Страница 140: ...ection pipe 2 and remove connection head 1 Figure 4 170 Make assembly of components of the pneumatic drive of tractor trailer brakes in order reverse to disassembly Attention After assembly check air tightness of the system parameters of pressure regulator and brake valve actuation Design and principle of operation procedure of check and adjustment are described in operating manual enclosed with e...

Страница 141: ... upwards ring for condensate release valve 6 Figure 4 item 6 Dismounting cylinder 10 Figure 4 171 а unscrew cap nuts 2 and 5 disconnect from cylinder 10 pipelines 1 and 4 b unscrew nuts 3 remove collars 9 and cylinder 10 с unscrew checknut 8 and disconnect pressure regulator 7 from cylinder 10 Figure 4 171 Dismounting brake valve 4 Figure 4 172 a unscrew cap nuts 2 and 7 disconnect from brake valv...

Страница 142: ...nscrew connection pipes 2and 6 c remove connection heads 1 and 5 Figure 4 173 Make assembly of components of the pneumatic drive of tractor trailer brakes in order reverse to disassembly Attention After assembly check air tightness of the system parameters of pressure regulator and brake valve actuation Design and principle of operation procedure of check and adjustment are described in operating ...

Страница 143: ...6 Figure 4 174 Dismounting of cylinder 9 Figure 4 174 а unscrew cap nuts 4 11 screws of collars 3 disconnect from cylinder 9 hose 2 and pipeline 12 b unscrew nuts 1 remove collars 10 and cylinder 9 с unscrew check nut 8 and disconnect pressure regulator 7 from cylinder 9 Figure 4 174 Dismounting of brake valves 11 and 14 Figure 4 175 а unscrew cap nuts 2 3 6 and 8 b disconnect from brake valves 11...

Страница 144: ...а unscrew cap nut 3 and disconnect from connection head 1 pipeline 4 b unscrew connection pipe 2 and remove connection head 1 Figure 4 176 Dismounting connection heads 1 and 8 Figure 4 177 а unscrew cap nuts 3 and 6 b disconnect from connection heads 1 and 8 pipelines 2 and 5 с unscrew connection pipes 4 7 and remove connection heads 1 8 ...

Страница 145: ... the pneumatic drive of tractor trailer brakes in order reverse to disassembly Attention After assembly check air tightness of the system parameters of pressure regulator and brake valve actuation Design and principle of operation procedure of check and adjustment are described in operating manual enclosed with each tractor ...

Страница 146: ...ards ring for condensate release valve 9 Figure 4 178 Dismountingof cylinder 4 Figure 4 178 а unscrew cap nut 2 screws of collars 7 disconnect from cylinder 4 hose 8 and pipeline 1 b unscrew nuts 10 remove collars 3 and cylinder 4 с unscrew check nut 5 and disconnect pressure regulator 6 from cylinder 4 Figure 4 178 Dismounting of brake valve 4 Figure 4 179 a unscrew cap nuts 2 and 7 disconnect fr...

Страница 147: ...ection pipe 2 and remove connection head 1 Figure 4 180 Make assembly of components of the pneumatic drive of tractor trailer brakes in order reverse to disassembly Attention After assembly check air tightness of the system parameters of pressure regulator and brake valve actuation Design and principle of operation procedure of check and adjustment are described in operating manual enclosed with e...

Страница 148: ...ate release valve 9 Figure 4 181 Dismounting of cylinder 4 Figure 4 178 а unscrew cap nut 2 screws of collars 7 disconnect from cylinder 4 hose 8 and pipeline 1 b unscrew nuts 10 remove collars 3 and cylinder 4 с unscrew check nut 5 and disconnect pressure regulator 6 from cylinder 4 Figure 4 181 Dismountingа brake valve 4 Figure 4 182 a unscrew cap nuts 2 and 7 disconnect from brake valve 4 pipel...

Страница 149: ...crew connection pipes 2 6 and remove connection heads 1 5 Figure 4 183 Make assembly of components of the pneumatic drive of tractor trailer brakes in order reverse to disassembly Attention After assembly check air tightness of the system parameters of pressure regulator and brake valve actuation Design and principle of operation procedure of check and adjustment are described in operating manual ...

Страница 150: ... access hatch cover 2 bolt 3 bolt 4 cover of rear axle body Figure 4 184 Dismounting of cover of PTO planetary reduction gear а unscrew bolt 1 Figure 4 185 loosen tightening screw and take lever 2 off control roller 3 b unpin and take off lock 7 unscrew adjustment screws 4 off nuts 5 с extract roller 3 with axles of screws 6 fastened to it 6 from rear axle body towards inside of body 1 adjustment ...

Страница 151: ... dismount planetary PTO reduction gear off rear axle body h remove spacer 1 nut 2 guarding 3 cap 4 bolt 5 bolt 6 rear PTO cover planetary reduction gear Figure 4 186 During subsequent assembly а put spacing back in place b put and fasten with bolts 4 Figure 4 186 cover of PTO torque 30 35 N m с put adjustment screws 4 Figure 4 185 For adjustment of PTO control see section 4 13 1 Disassembly assemb...

Страница 152: ...sher 17 bolt 18 plate 19 shank 20 plate 21 cap 22 bolt 23 washer 24 bolt 25 cover 26 spacer 27 shaft 28 cealing ring 29 bearing 30 ring 31 nut 32 assembly screw 33 34 band 35 36 ring 37 ball 38 clutch 39 ring 40 shaft 41 ring 42 bearing 43 cup 44 crown gear 45 nut 46 bearing 47 bearing 48 satellyte 49 carrier 50 pin 51 satellite axle 52 sun gear 53 drum 54 ring 55 bushing 56 bolt 57 washer 58 nut ...

Страница 153: ... 18 together with satellites 19 figures 4 187 4 189 During subsequent assembly bearing 21 pust be pressed in carrier 18 to the end of shoulder Figure 4 189 21 ball bearing 18 carrier 9 10 brake band Figure 4 189 а remove lock ring35 and eccentric shaft 31 together brake bands 9 10 Figure 4 190 b remove levers with shaft 31 and axles 41 ...

Страница 154: ... subsequent assembly in a way for wider band В 56 mm to be on the side of PTO cover 3 cover 5 shaft 14 engagement drum 15 sun gear Figure 4 191 с dismount engagement drum 14 together with sun gear 15 Figure 4 191 d remove shaft 27 collars 28 and bearing 29 from cover 25 Figure 4 187 During subsequent assembly lubricate collars with consistent grease Dismounting of carrier а knock out pins 17 Figur...

Страница 155: ...ngs in satellites axles must be aligned with carrier openings for pressing in pins Radial lubrication openings must face from centre outwards с press in pins flush with carrier surface d satellites must rotate on axles smoothly and without jams Dismounting of sun gear with drum а remove lock ring 12 Figure 4 193 12 check ring Figure 4 193 b press bearing 24 Figure 4 194 out of drum 14 using inerti...

Страница 156: ...d disconnect from drum 14 sun gear 15 13 lock ring 14 drum 15 sun gear Figure 4 195 d remove lock ring 8 Figure 4 196 and press bearing 7 with collar 6 off cover 3 3 cover 6 collar 7 ball bearing 8 lock ring Figure 4 196 e unscrew six bolts 1 Figure 4 197 remove plate 39 and disconnect removable shank 40 from shaft 5 1 bolt М10х18 6 pcs 5 PTO shaft 39 plate 40 replaceable PTO shank 5 PTO shaft Fig...

Страница 157: ...ve shift clutch лючения 4 1 control roller 2 locking bolt 3 lead 4 shift clutch Figure 4 198 During subsequent assembly Tighten locking screw and securely lock with wire Dismounting of crown gear as an assembly 1 crown gear 2 locking ring 2В110 3 bearing cup 4 ball bearing 210А 5 locking ring 2В50 6 locking ring 2В90 7 shaft 8 nut М12 9 locking screw Figure 4 199 а loosen check nut 8 figures 4 199...

Страница 158: ...ar shaft 7 as an assembly with gear 1 cup 3 and bearing 4 Figure 4 199 с dismount shift clutch if it is still in place Figure 4 201 Figure 4 201 d remove locking ring 5 from crown gear shaft 7 Figure 4 202 2 5 locking ring 7 shaft Figure 4 202 e press cup with bearing as an assembly 3 4 Figure 4 199 off crown gear shaft through crown gear opening 1 Figure 4 203 ...

Страница 159: ...g 6 Figure 4 204 and press ball bearing 4 off cup 3 3 cup 4 bearing 6 locking ring Figure 4 204 During subsequent assembly а before mounting crown gear inside rear axle body align opening А Figure 4 205 in rear axle body and in cup 3 to put locking screw 9 Figure 4 200 torque screw to 8 10 N m checknut 8 to 85 95 N m b bearing must be pressed in the cup in the initial position Figure 4 205 ...

Страница 160: ...bath wet brakes ATTENTION Disassembly assembly of rear PTO control 1221M 4216005 must be made on shut off tractor 1 arm 2 plate with distributor 3 oil line 4 tip 5 hydraulic cylinder 6 lever 7 oil line 8 oil line 9 oil line 10 arm 11 sleeve 12 sleeve 13 sleeve 14 collar 15 bolt 16 ring 17 washer 19 bolt М8 20 bolt М12 22 washer 23 washer 25 cotter pin 26 washer 28 washer 29 cotter pin 31 collar Fi...

Страница 161: ...h brakes operating in oil bath wet brakes and provided with reversible control station ATTENTION Disassembly assembly of rear PTO control 1221В 4216005 must be made on shut off tractor only 1 arm 2 lever 3 hydraulic cylinder 4 5 6 oil lines 7 valve 8 arm 9 tie rod 10 11 sleeves 12 16 17 18 bolts 13 20 21 22 23 28 29 washers 14 handle 25 26 cotter pins Figure 4 207 Control of rear PTO 1221В 4216005...

Страница 162: ... pipelines 6 lever 7 valve 8 hydraulic cylinder 9 oil line 10 bolt 11 sleeve 12 plate 13 tie rod 14 collar 15 triangular 16 hook 17 spring 18 bolt 19 handle 22 23 24 25 bolts 26 27 28 washers 29 30 cotter pins 31 32 33 36 washers 35 collar Figure 4 208 Control of rear PTO 1221 4216100 а to dismount pipelines 4 5 Figure 4 208 sleeves 11 from oil lines 9 unscrew bolts 18 и 10 and remove washers 36 b...

Страница 163: ...rod 8 mm in diameter or bolt 2 М10х60 с unpin and remove locking plate 8 d torque adjustment screws 6 to 10 N m 1 kgf m and then unscrew by 1 5 2 turns access to screw through hatch in rear axle cover and then turn screws to the nearest side so that heads of screws were parallel to longitudinal axis of tractor e when PTO is correctly adjusted extention of rod 7 against cover of cylinder dimension ...

Страница 164: ... brakes are adjusted still PTO doesn t transfer full moment it means adjustment margin is exhausted substantial wear of brake bands lining In this case а dismount locking plate 10 b unscrew screws 6 Figure 4 210 by 5 7 turns turn eccentric shaft 5 of the external adjustment mechanism by 180 and secure with locking plate 10 and bolt 9 Make adjustment of brake bands gaps anew If fault is not elimina...

Страница 165: ...ted inside GB body on ball bearingах 5 On the shaft freely rotates with drive disengaged gear 1 which in permanent engagement with gear of synchronous PTO drive Figure 5 1 When clutch is engaged disks 2 are squeezed by piston 13 under oil pressure and connect gear 1 with drum 3 of hydraulically pressed clutch as one unit Drum 3 and knucle half clutch 6 of free travel mechanism are mounted on splin...

Страница 166: ...clutch moves pusher 11 switch 12 closes electric circuit of distributor electromagnet oil under pressure is supplied to clutch booster moving piston 13 Thus stack of disks is squeezed locking gear 1 drum 3 and providing transfer of torque When FDA is rnaged by force oil is supplied to booster regardless of rear wheels slippage With FDA disengaged electrical hydraulic distributor shuts off pressure...

Страница 167: ... 4 166 Figure 5 3 2 unstake corbel of nut 2 figure 5 4 fix shaft 1 to prevent rotation unscrew nut 2 and remove locking washer 3 Figure 5 4 3 using spacer made of soft metal brass etc knock out shaft 1 figure 5 5 as an assembly forward in tractor movement direction Figure 5 5 ...

Страница 168: ...press out of gear box body bearing 2 figure 5 7 and bushing 1 back as tractor travels Figure 5 7 6 dismount from shaft 3 figure 5 56 bushing 1 half clutch 2 spring 4 7 take off safety wire 11 knock out pin 10 and dismount bushing 9 8 unstake corbel of nut 8 and unscrew it 9 take off washer 7 bearing 6 and washer 5 Figure 5 8 10 take gear 1 off hydraulically squeezed clutch 2 Figure 5 9 ...

Страница 169: ...ove locking ring 1 figure 5 11 and pull out of drum 10 a stack of friction disks 9 guides 6 and springs 7 13 remove locking ring 3 cup 4 and spring 5 14 dismount piston 8 with sealing ring 9 pull out of drum 10 shell 12 and sealing rings 11 13 Perform assembly in sequence reverse to disassembly Figure 5 11 e disassembly cardan shaft Figure 5 12 to do this ...

Страница 170: ...es 2 5 remove end face sealings of cross pieces 3 Perform assembly in sequence reverse to disassembly Figure 5 12 5 1 2 Assembly of FDA drive Perform assembly in sequence reverse to disassembly and in doing this а torque nut 1 figure 5 13 using torque wrench to 80 100 N m 8 10 kgf m and unstake it in shaft grooves Figure 5 13 b try thickness of friction disks stack in a way for piston 1 stroke fig...

Страница 171: ...lines were alighed with splines of half clutch 2 and drum 1 After clutch is installed in gear box body torque nut 4 to 80 100 N m 8 10 kgf m and centre pop in shaft grooves Figure 5 15 d when mounting torsion 2 avoid damaging sealing rings 1 figure 5 16 Lubricate working edges of sealing rings 1 with grease LITOL 24 or BECHEM LCP GM Figure 5 16 ...

Страница 172: ...3 of cardanshaft to 35 45 N m 3 5 4 5 kgf m g to install cover 2 on transmission 2 figure 5 18 as an assembly unscrew plug 3 and align bushing 1 with cover opening using rod of 5 6 mm Figure 5 18 h when assembling cardan shaft cross pieces and before pressing in needle bearings 1 fill them in with consistent grease No 158 figure 5 19 Figure 5 19 j cardan shaft as an assembly must be balanced on th...

Страница 173: ...of disks Free travel А of the stack of disks of the hydraulically squeezed clutch mm Nominal value 0 8 4 0 Extreme value 5 7 Figure 5 20 Adjustment of switch of the automatic mode sensor Make adjustment after assembly of the hydraulically squeezed clutch and installation of cover 6 on transmission in the following order 1 put drum 1 in position I figure 5 21 when knuckles of half clutch 2 and drum...

Страница 174: ...ch damage Switch is considered to be correctly adjusted if in position I its contacts are closed and in position II they are open Make verification by control lamp The check is allowed to be made by signaling device on the control panel with key of FDA drive control being in the middle position Testing hydraulically squeezed clutch а to opening А figure 5 23 of hydraulically squeezed clutch shell ...

Страница 175: ...mbly assembly manual for tractor BELARUS 1221 2 1221В 2 1221 3 1221 4 174 1 oil tank 2 metering vessel 3 hydraulically squeezed clutch 4 pressure gauge 5 throttle 6 filter 7 safety valve 8 oil pump Figure 5 23 ...

Страница 176: ...d dismount driving gear as an assembly Figure 5 24 1 disassembly bolt 2 bolt 3 body of final drive driving gear Figure 5 24 с pull out cotter pin 12 and unscrew crown nut 11 Figure 5 25 d remove washer 10 and flange 9 of final drive driving gear 1 e knock out final drive gear 1 with internal shell of bearing 2 off final drive body 3 using appropriate spacer and hammer or dismount it by means of ex...

Страница 177: ...shells of conical bearings 2 out of body 1 Figure 5 26 1 body 2 external shells of bearings Figure 5 26 j press internal shell of conical roller bearing 2 off the shaft of final drive driving gear 1 using extractor Figure 5 27 1 driving gear shaft 2 internal shell of bearing Figure 5 27 Dismounting and disassembly of differential а unscrew bolts 1 that fastens right side cover 3 to FDA body screw ...

Страница 178: ...28 с using extractor press off internal shells of conical roller bearings 3 d unlock and unscrew nut 2 Figure 5 29 1 differential as an assembly 2 nut 3 bearing Figure 5 29 e using special extractor press driven conical gear 2 off differential body as an assembly 1 Figure 5 30 1 differential as an assembly 2 driven conical gear Figure 5 30 ...

Страница 179: ...late 2 nut 3 4 differential box Figure 5 31 g remove satellites axles 6 together with satellites 5 Figure 5 32 h pull out of boxes 1 and 8 half axle gears 4 pressure cups 3 drive disks 2 and driven disks 7 1 8 differential boxes 2 drive disks 3 pressure cup 4 half axle gear 5 satellite 6 satellite axle 7 driven disk 9 final drive driven 10 nut 11 bolt 12 locking plate 13 nut Figure 5 32 ...

Страница 180: ...rrect position in shells Cotter pin the nut as shown in figure 5 33 If bearings are adjusted correctly moment of resistance to gear rotation should be in the range 0 6 2 0 N m 1 flange 2 3 conical roller bearings 4 drive gear of final drive 5 adjustment shims 6 cotter pin 7 crown nut Figure 5 33 с assembly differential of FDA in sequence reverse to disassembly Align boxes 1 2 of differential so th...

Страница 181: ...ge stack of spacers 2 on the left side When tightening bolts for fastening sleeves 1 9 to body of FDA 3 turn through differential body 5 so that rollers of bearings occupied correct position in shells of bearings When adjustment was made correctly moment fifferential turning should be in the range from 0 6 to 60 N m 1 9 cover sleeve 2 adjusting shims 3 body of FDA 4 driven gear 5 differential as a...

Страница 182: ... of gears engagement by tooth contact table 5 1 If gears of final drive are correctly adjusted the tooth contact must be as shown in diagram below If tooth contact is not correctly located make adjustment by displacing differential through reinstallation of spacers 2 from under left flange of FDA body under the right side one and visa versa Figure 5 35 without changing their total number or by dis...

Страница 183: ... on driven gear How to adjust gears engagement Adjustment diagram Correct gears engagement under small load Bring driving gear towards the driven one Shift driving gear aside from the driven one Shift driven gear differential aside from the driving one Bring driven gear differential closer to driving one ...

Страница 184: ...nect steering rod с press pin of hydraulic cylinder rod 4 out of arm 5 1 steering rod pin 2 swivel lever 3 nut 4 pin of hydraulic cylinder rod 5 arm Figure 5 38 Dismounting of swivel lever and arm To dismount swivel lever 4 and arm for fastening hydraulic cylinder 3 from reduction gear body 5 perform the following operations а unscrew nuts 1 by 3 4 turns b strike lever and arm several times to rel...

Страница 185: ...n gear а to make dismounting of reduction gear easier wrap steel rope around reduction gear body and using lifting mechanism pull the rope to balance mass of reduction gear Figure 5 40 Figure 5 40 b unscrew four bolts 1 screw two disassembly bolts in threaded openings 2 of pivot axle 3 and press upper axle off swivel cam 6 с remove spacers 4 Figure 5 41 In a similar way press out lower pivot axle ...

Страница 186: ...nge of upper swivel axle 3 Disassembly of wheel reduction gear а unscrew bolts 3 and remove cover 2 together with spacer 1 Figure 5 42 1 bolt 2 cover 3 spacer Figure 5 42 b using special wrench unscrew nut 2 fixed on flange shank 3 by deformation of corbel in the cut of threaded shank 3 using punch and hammer turn cup 1 to angle 5 100 and screw disassembly bolts M10 in two threaded openings of cup...

Страница 187: ...ing cover 3 Screw two disassembly bolts 1 in cover threaded openings and dismount cover together with flange 4 Figure 5 44 1 disassembly bolt 2 bolt 3 cover 4 wheel flange Figure 5 44 d remove locking ring 7 and press block gear 5 together with spherical roller bearing 8 off flange 1 remove carrier 3 remove flange 1 together with internal bearing shell 2 Remove distance ring 4 Figure 5 45 ...

Страница 188: ...rew bolt 1 and remove washers 2 3 remove tandem joint 8 and shaft 9 unscrew bolts 10 while screwing disassembly bolts in threaded openings of cup 7 press out the cup together with sealing ring remove adjusting shims 6 and keep them as a set remove drive gear 4 and conical roller bearings 5 1 bolt 2 bending washer 3 washer 4 driven gear 5 conical bearing 6 adjusting shims 7 cup 8 tandem universal j...

Страница 189: ...s а pull cup of bearing 1 out of FDA sleeve using suitable tool Figure 5 47 1 bearing cup 2 bearing 3 FDA sleeve Figure 5 47 b using suitable extractor 2 press out of sleeve external shell of conical roller bearing 1 and in a similar way press out lower shell Figure 5 48 1 external bearing shell 2 extractor Figure 5 48 ...

Страница 190: ...arance or tension should not exceed 0 05 mm Figure 5 49 Torque bolt 1 to 120 140 N m and lock with bending washer 2 Figure 5 46 1 bolt 2 conical roller bearing 3 drive gear 4 adjusting shims 5 body 6 cup 7 tandem joint Figure 5 49 b when installing block gear 2 on flange shaft 3 align ring 1 so that smaller ring diameter faced spherical roller bearing 4 Figure 5 50 8 ring 9 block gear 10 flange sh...

Страница 191: ...After adjustment lock the nut by deformation of nut gorbel inside the cut of flange shaft When adjustment of reduction gear bearings is correct the moment turning through of reduction gear 1 by flange must be in the range from 14 to 40 N m 1 adjustment nut 2 conical roller bearing 3 flange Figure 5 51 d when mounting swivel axles of swivel knuckle press external shells 1 of upper and lower bearing...

Страница 192: ...ening of bodyand sleeve having first lubricated sealing ring with grease LITOL 24 Figure 5 54 3 screw in bolts 1 without tightening them mount lower swivel axle without adjusting shims put and tighten bolts of lower axle 5 tighten bolts 1 of upper axle 2 1 bolt 2 pivot axle 3 ring 4 adjusting shims 5 swivel knuckle body 6 FDA sleeve Figure 5 54 6 when mounting left side lower axle of pivot 2 figur...

Страница 193: ... Tension is considered correct if effort of knucle turn applied to flange 5 is 60 80 N If the effort doesn t fit this range adjust it by means of cut adjusting shims 4 by unscrewing bolts 2 and screwing in disassembly bolts 1 in a way to shift axle upwards and release shims To increase tension effort remove identical number of shims on both sides and visa versa Tighten fastening bolts 2 to 180 200...

Страница 194: ...allowable angles of knuckle turn 1 which must be within 39 400 figure 5 57 when measured from position corresponding to straight movement Make adjustment of maximum permissible turn to the left or right by means of adjustment screw 2 which is locked with checknut 3 1 swivel knuckle body 2 adjustment 3 checknut Figure 5 57 ...

Страница 195: ...y Inner tubes and tires kept at temperature below 10 С before bounting must be warmed up inside at temperature about 15 С f to facilitate mounting dismounting put soapy solution on tire flanges and rim lips It is forbidden to use for these purposes fats or derivatives of petroleum g put rim on clean surface so that valve opening faced upwards Put tire on rim so that its lower bead opposite valve o...

Страница 196: ...Disassembly assembly manual for tractor BELARUS 1221 2 1221В 2 1221 3 1221 4 195 l when dismounting the tire never try to loosen tire beads valves remove control valve and release air out of the tire ...

Страница 197: ...onnection places wait for some time and then screw disassembly bolts while knocking at hub body until inserts are extended с dismount hub as an assembly from the half axle d extract inserts out of hub body Make assembly in reverse sequence a install inserts inside hub body b put on bolts 4 washers 5 then screw tightening bolts 4 of inserts inside hub body by several turns с install hub as an assem...

Страница 198: ...having unscrewed three bolts 15 remove tank 7 of hydraulic equipment body Mount HSC oil tank on tractor in reverse order Figure 7 1 Disassembly assembly of HSC oil tank а unscrew filler plug 5 Figure 7 2 pull out meshed filter 4 and wash with diesel fuel b unscrew bolts 9 and dismount filter as an assembly с unscrew bolts 8 disconnect filter cover from cup 16 d extract filtering element 14 e pull ...

Страница 199: ...manual for tractor BELARUS 1221 2 1221В 2 1221 3 1221 4 198 1 plug 2 7 13 15 ring 3 body 4 meshed filter 5 filler plug 6 oil gauge 8 9 bolt 10 washer 11 cover 12 safety valve 14 filtering element 16 cup Figure 7 2 Oil tank ...

Страница 200: ... with a person who disassembles assembles it replaces parts or adjusts valves and also with the tractor owner ATTENTION Requirement for disassembly assembly of metering pumps also pertain to supply pumps Dismounting supply pump а disconnect oil lines 11 12 Figure 7 1 by unscrewing bolts for fastening them to pump extract rubber rings from oil lines b unscrew four fastening bolts to disconnect supp...

Страница 201: ...М Figure 7 3 Disassembly assembly of steering hydraulic cylinder а unscrew screw 9 Figure 7 4 b unscrew cap nut5 с pull out of cylinder body 17 rod 2 with piston 4 and front cover 1 d unbend locking holes on corbel of nut 3 and unscrew nut e remove piston 4 front cover 1 and cap nut 5 ...

Страница 202: ...to 80 N m and lock it bend gorbel of nut 5 in grooves on rod 2 d put preassembled rod with piston and front cover inside cylinder body 17 e Torque cup nut 5 to 100 N m and lock with screw 9 7 1 1 Disassembly assembly of units of the hydrostatic steering controlmounted on tractors BELARUS 1221 4 with engine Deutz Disassembly assembly of HSC for tractor BELARUS 1221 4 with engine Deutz is identical ...

Страница 203: ...Disassembly assembly manual for tractor BELARUS 1221 2 1221В 2 1221 3 1221 4 202 Figure 7 5 а ...

Страница 204: ... 4 by unscrewing valve 7 d disconnect hose 5 having loosened collar 6 e unscrew three fastening bolts and disconnect oil tank 2 f unscrew filler plug together with safety valve 14 Figure 7 5 b wash it diesel fuel and put back in place g unscrew four bolts for fastening filter cover 13 and remove it h pull out filtering element 12 extract filter body 11 and wash it with pure diesel fuel i install f...

Страница 205: ...Dismounting of metering pump 2 а disconnect high pressure sleeves 3 4 5 6 Figure 7 6 b unscrew four fastening bolts and disconnect metering pump 2 с put metering pump in polyethylene back Mount metering pump in reverse order Dismounting of metering pump 1 а disconnect oil lines 18 19 20 21 b unscrew four fastening bolts and disconnect metering pump 1 с put metering pump in polyethylene back Mount ...

Страница 206: ...s 7 and unscrew stops 6 3 having unscrewed screws 8 take stopper 9 out of boring of control valve 5 Figure 7 7 Dismounting of sealing rings а move control valve 5 Figure 7 8 towards side B by 7 8 mm maximum to avoid cutting rings 3 and 4 against sharp edges of three inside openings in the body b extract from groove 2 of control valve sealing ring 5 and protective ring 6 с shift control valve from ...

Страница 207: ... reverse valve а lever 1 Figure 7 7 must turn within stops 6 within angle of 96 degrees in extreme positions I and II Figure 7 9 lever must be fixed with stopper 9 Figure 7 7 b put lever 1 Figure 7 7 in position I with slot Е Figure 7 9 of control valve being visible through both openings В and Г с put lever 1 Figure 7 7 in position II Figure 7 9 with slot Е of control valve being visible through ...

Страница 208: ...of cardan shaft is installed 1 arm 2 bushing 3 retaining ring 4 washer 5 yoke 6 locking ring 7 bearing 8 nut 9 washer 10 yoke 11 bolt 12 yoke 13 pipe 14 segment key 15 shaft 16 shank 17 pin 18 shock absorber 19 polyamide bushing 20 nut 21 checknut 22 cover 23 clamp 24 nut 25 washer 26 steering wheel 27 inside bushing 28 middle bushing 29 sheath 30 spring 31 steering shaft 32 washer 33 nut 34 pin 3...

Страница 209: ...screws for fastening sheath 29 to dashboard b remove cover 22 unscrew clamp 23 and pull out steering wheel 26 together with spring 30 shaft 31 sheath 29 and и bushings 27 and 28 c insert metal rod between eyelets of yoke 10 figure 7 11 of cardan shaft and unscrew check nut 21 by 1 2 turns using wrench S 36 mm d unbend retaining washer 9 on the side of nut 8 unscrew it and pull out bolt 11 with the...

Страница 210: ... 2 1221 3 1221 4 209 Figure 7 11 m unpin and unscrew by wrench S 27 мм nuts 38 on both sides of arm 1 and the pull out screws 40 n remove pipe 13 made as one piece with yoke 12 and sector 35 o unpin and disconnect tie rod 41 from clamp 45 Figure 7 12 Figure 7 12 ...

Страница 211: ...3 3 insert bushing 2 Figure 7 14 in arm 1 4 lubricate inside surface of bushing 2 with grease LITOL 24 and insert cardan connection 5 7 10 36 37 inside bushing 5 put washer 4 and lock with retainer ring 3 Figure 7 14 6 connect pipe yoke 13 figure 7 15 with arm 1 having performed the following operations 6 1 align axles of openings of pipe yoke 13 and arm 1 with tenon А of clamp 45 fitted in hollow...

Страница 212: ...ual for tractor BELARUS 1221 2 1221В 2 1221 3 1221 4 211 Figure 7 15 7 put spring 42 Figure 7 16 between clamp and pipe Figure 7 16 8 mount shock absorbers 18 figure 7 17 up to shoulders in upper and lower end faces of pipe 13 ...

Страница 213: ... face of bushing 19 12 supporting from below pipes 13 bushing 19 with shock absorber 18 and washer 32 put from top side shaft 15 inside pipe 13 13 put segment key 14 figure 7 17 measuring 5х10 mm inside key groove of shaft 15 and mount shank of shaft inside yoke 10 of cardan connection so that key went into key groove of yoke 10 14 align cut of shaft 13 with opening in yoke 10 15 put bolt 11 with ...

Страница 214: ...ween bushings shock absorbers and end faces of pipe 21 screw nut 20 until it touches baffle 46 and unscrew it by 0 5 1 turn 22 tighten check nut 21 Figure 7 19 23 install metering pump А figure 7 20 and fasten it with four bolts B М10х30 with spring washers 24 assembly steering wheel 26 figure 7 21 with shaft 31 having installed spring 30 sheath 29 bushings 27 28 retaining washer 25 nut 24 and cla...

Страница 215: ...king if assembly was properly made After steering column is assembled and mounted on tractor check steering for absence of motoring with diesel functioning on the parking lot or during travel at bottom gear Steering wheel must reliably return to neutral position If it s not the case check if assembly was made right On tractor with reverse steering station parts 27 28 29 30 figure 7 10 are not inst...

Страница 216: ...with firmly secured cardan shaft is installed In a way similar to forward travel steering column shank with pin can move to maximum in longitudinal grooves of shaft 8 providing adjustment of steering wheel by height Shaft 8 is fixed with nut 10 and check nut 11 Cardan shaft 9 is firmly fixed shaft 8 with bolt 12 Figure 7 23 nuts 13 and washers 14 Figure 7 23 ...

Страница 217: ...2 of tube 1 and fixing elements 16 Figure 7 24 with spring 17 and control lever 18 Figure 7 22 Figure 7 24 To disassembly steering column do the following а fasren steering column by arm 2 Figure 7 22 in vice b remove cotter pins 19 and 22 Figure 7 22 washer 21 pull out pin 20 and remove lever 18 с unscrew bolts 23 Figure 7 25 and pull them out together with washers 24 and then dismount metering p...

Страница 218: ...n arm 2 Figure 7 22 in the bench vice b put between arm and yoke of tube 1 spring 17 Figure 7 24 and having lubricated friction surfaces with LITOL 24 insert fixing element 16 с put inside tube 1 1 Figure 7 22 from its top end face shock absorber 6 to the end then lubricate inside surface of polyamide bushing 7 with grease LITOL 24 and put it inside shock absorber until it touches shoulders d scre...

Страница 219: ...o the end screws 3 Figure 7 22 in yokes of arm 2 put on screws washers 5 and screw up nuts 4 by 3 4 turns m connect metering pump 25 Figure 7 25 to arm 2 Figure 7 22 and fasten it with bolts 23 Figure 7 25 with washers 24 n put lever 18 Figure 7 22 using pin 20 washers 21 and cotter pins 19 and 22 o mount steering column on tractor and with engine operating adjust alignment of shaft 8 and control ...

Страница 220: ...n nuts 11 и 12 unscrew joints 10 and 16 b untie wire 9 unscrew plugs 8 c extract inserts 5 and 6 pull out cotter pins 15 d unscrew nuts 14 pull out pins 1 and inserts 2 e remove rings 3 and 7 remove sheath 4 f remove rings 3 and 7 remove sheath 4 Assembly steering tie rod in sequence reverse to disassembly a put inserts 2 put pins 1 then inserts 5 and after that put inserts 6 b screw in plugs 8 ti...

Страница 221: ... BELARUS 1221 4 connectors 23 of harness on engine and transmission Figure 11 3 section 11 1 3 Dismounting electrical equipment elements of engine MMZ or Deutz mounted on tractors BELARUS 1221 4 b disconnect 1 for tractors BELARUS 1221 2 1221В 2 connectors of harness 13 on cabin see section 11 5 2 Operations when dismountingе mounting cabin 2 for tractors BELARUS 1221 3 1221 8700410 connector of h...

Страница 222: ...the following 1 disconnect pipeline 35 flexible sleeve 15 Figure 8 1 by unscrewing cap nuts 2 disconnect pusher of main cylinder on reversal 40 from 39 by pulling out pin 11 3 dismantle main cylinder on reversal 40 from arm 46 by unscrewing two bolts 41 4 dismantle spring 36 and pedal 39 5 dismantle arm 46 from cabin by unscrewing three bolts 45 Figure 8 1 6 dismantle angle 28 from cabin by unscre...

Страница 223: ...d on tractors BELARUS 1221В 2 and Figure 3 19 section 3 13 Disassembly assembly of fuel supply control mounted on tractors BELARUS 1221 2 1221 3 2 dismantle steel rope of engine shut down and to do this disconnect fixing element 2 with screw 1 loosen nuts 5 that fasten rope 14 to arm 7 h when your tractor is equipped with hydraulic hook disconnect control handle 1 Figure 8 3 from two shoulder leve...

Страница 224: ...ist cabin above tractor chassis using for slinging eyelets on the left and right side of cabin make slinging according to diagram Figure 8 2 cabin mass 600 кg m remove bolts 2 Figure 8 5 М16х120 with washers 1 n put the cabin on even terrain on wooden planks or metal supports o remove cup of vibration isolator 3 upper vibration isolator 4 from holes of front and rear support arms Mount cabin on tr...

Страница 225: ...sembly manual for tractor BELARUS 1221 2 1221В 2 1221 3 1221 4 224 А А Б Б 1 washer 2 bolt М16 3 cup of vibration isolator 4 upper vibration isolator 5 lower vibration isolator 6 washer 7 nut 8 cotter pin Figure 8 5 ...

Страница 226: ...d to do this perform the following а dismount hood 1 Figure 8 6 and to do this 1 pull lever of lock 2 2 lift hood 1 up and fix tie rod 3 in opening of arm 4 3 unscrew two screws 5 on clutch 6 and release hood 1 from rope 7 4 release tie rod 3 from opening in arm 4 and fix it on hood 1 5 unscrew four bolts 8 connecting hood with U section 9 6 dismount hood 1 Facia is mounted in reverse sequence ...

Страница 227: ... of tractors BELARUS 1221 3 1221 4 1 side plate 2 side plate 3 lock 4 fixing element 5 support 6 mask 7 control rope 8 nut 9 loop 10 hood 11 monocyclon 12 control rope 13 cotter pin 14 pneumatic lift 15 nut 16 loop 17 skirt 18 nut 19 arm 20 nut 21 arm 22 shell 23 bolt 24 arc Figure 8 7 Dismounting tractor facia ...

Страница 228: ...raise mask 6 3 unscrew four nuts 8 connecting mask 6 and loops 9 с dismount hood 10 and to do this 1 remove monocyclone 11 2 pull handle of control rope 12 3 raise hood 10 4 remove cotter pin 13 and disconnect pneumatic lift 14 5 unscrew four nuts 15 connecting hood 10 and loops 16 d remove skirt 17 and to do this 1 unscrew two nuts 18 connecting skirt 17 and arms 19 2 unscrew four nuts 20 connect...

Страница 229: ...21 3 1221 4 228 8 4 Disassembly assembly of facia panels of the right side panel а unscrew bolts 10 and 11 remove cover 3 figure 8 8 b unscrew bolts 11 and remove panel 1 c unscrew bolts 11 and remove arm 2 Make assembly in sequency reverse to disassembly Figure 8 8 ...

Страница 230: ...ll а 1 unscrew bolt 6 figure 8 9 section D D 7 section В В remove left side panel 4 80 6700320 b unscrew bolts 5 section Н Н 7 section В В remove right side lower panel 1 85 6700330 c remove right side higher panel 2 85 6700340 d unscrew bolts 7 section G G remove panel 3 80 6700300 Assembly panels in sequence reverse to disassembly Figure 8 9 ...

Страница 231: ...ps 2 off bolts 5 figure 8 10 b unscrew bolts 4 and 5 c remove bolts 4 5 with washers 6 7 and 8 d dismount fender 3 and sealant 1 Mounting is made in reverse sequence a on cabin 80 6700010 B snug up fender 3 by means of bolts 4 and 5 and washers 6 7 and 8 b between cabin and fender 3 put sealant 1 c tighten bolts 4 and 5 d drive cups 2 on bolts 5 2 Make mounting and dismounting of right side fender...

Страница 232: ...ard GOST 6958 78 7 washer С8 01 019 State Standard GOST 6958 78 8 washer 8Л Industry Standard ОСТ 37 001 115 75 Figure 8 10 Installation of rear wheels plastic fenders 8 6 2 Disassembly assembly of metal fenders of tractors rear wheels а unscrew nuts 13 and remove plate 6 spring 4 and mud guard 1 Figure 8 11 b remove cups 7 from bolts 9 с unscrew bolts 9 10 12 and remove flap 18 d unscrew bolts 12...

Страница 233: ...ng 4 with mud guard 1 by means of bolts 9 nuts 13 washers 8 and 14 j fasten plate 6 on mud guard 1 by means of bolts 9 nuts 13 and washers 8 Make mounting and dismounting of right side fender in the same sequence as for the left side one 1 mud guard 2 sealant 3 sealant 4 spring 5 plate 6 plate 7 cup 8 washer 9 bolt М6 6gx16 88 35 019 State Standard GOST 7798 70 10 bolt М6 6gx20 88 35 019 State Sta...

Страница 234: ...remove fenders 12 b unscrew bolts 4 and remove posts 5 and 13 с unscrew bolts 2 and remove supports 1 and bushings 14 Make assembly in sequence reverse to disassembly Follow the same order of mounting and dismounting right side fender 1 support 2 bolt 3 washer 4 bolt 5 13 post 6 nut 7 washer 8 washer 9 roller 10 washer 11 bolt 12 fender Figure 8 12 Installation of front wheels fenders with FDA 822...

Страница 235: ...nt R 34 a It doesn t erode ozone layer is not toxic not poisonous in small quanities still when in contact with open flame it decomposes and emits poisonous gas fluorine hydride Under normal conditions temperature of agent boiling is 270 С If liguid cooling agents contacts skin it instantaneously evaporates and this may cause thermal burn IMPORTANT Only specially trained personnel can be admitted ...

Страница 236: ... available after cooling agent is discharged from the system the disassembly of air conditioning system can be made in any sequence and requires no special directions h dismantling of heating system after draining fluid from engine heating system requires no special directions To drain cooling fluid from diesel heater and cooling system do the following а place tractor on horizontal terrain b remo...

Страница 237: ... of diesel cooling system must drop down e fill radiator of diesel cooling system with cooling fluid up to required level up to mark МАХ on the expansion tank Air condition system is assembled in reverse sequence After assembly of air condition system make adjustment of tension of belts of air conditioner compressor drive ...

Страница 238: ...ioner compressor drive Tension of belt 1 figures 8 15 8 16 of air conditioner compressor drive is considered normal if sag of its branch engine crank shaft pulley compressor pulley measured in the middle is in the range of 4 6 mm upon appliacation of force 39 2 0 N perpendicular to middle of the branch Figure 8 15 Check and adjustment of tension of the belt of air conditioner compressor drive of d...

Страница 239: ...of diesel Deutz Adjustment of tension of the belt of air conditioner compressor drive Adjustment of belt tension 1 figures 8 15 8 16 must be made by turning compressor on rotation axle А and clamping threaded connection B in groove of sector В After adjustment of belt sag upon effort of 39 2 0 N applied perpendicular to middle of branch must be within range from 4 to 6 mm ...

Страница 240: ...Disassembly assembly manual for tractor BELARUS 1221 2 1221В 2 1221 3 1221 4 239 9 HYDRAULIC HINGE SYSTEM 9 1 Disassembly assembly of hydraulic hinge units Figure 9 1 ...

Страница 241: ...y 14 unpin and unscrew nut 33 of power sensor 15 remove from rod washer 32 spring 31 bushing 30 and cover 28 16 unscrew other ten bolts for fastening cover 10 to body 1 17 taking care not to damage spacer remove cover 18 unscrew bolt for fastening position 42 and power 43 levers and remove levers 19 remove cotter pin fastening position link 38 to upper roller 41 extreme left lever 20 pull roller 4...

Страница 242: ...tightening of fastening bolts can lead to jamming of distributor control valve Pay attention if assembly and adjustment of power sensor if it was disassembled were made right а tighten nut 33 of power sensor until axial clearance between support turn of spring 31 and adjacent parts is closed b keep screwing nut until its cuts coinside with cotter pin opening с insert cotter pin in opening of rod 2...

Страница 243: ... roller 35 until ring goes out of body Works to be performed on dismounted hydraulic hoist distributor Disassembly of control valve а press return spring 10 Figure 9 2 on control valve 3 towards body 1 to release stop pin 12 and extract it from opening in control valve taking measures that inside spring 11 didn t shoot with its thrust 13 on the control valve end 1 body 2 relief valve 3 control val...

Страница 244: ...driver push support turn of spring 10 put it under flats of stop pin 12 and screw spring on control valve until the second support turn goes under flats of of stop pin k press the end face of control valve with effort 15 kgf and then release it jamming of control valve inside body is not allowed total travel of control valve should be at least 8 mm Disassembly of relief and cut off valves а unscre...

Страница 245: ...y mint the ball to seat with hammer strike having mass 0 15 0 25 kg f put spring 7 and screw plug 8 having checked state of rubber sealing ring on it g using prickle or narrow screwdriver check mobility of reverse valve ball it should part from seat by at least 2 mm and return back without jams upon tool removal Disassembly and inspection of balance valve а unscrew conical plug 23 Figure 9 2 on to...

Страница 246: ... across plunger surface tucking of jaws is not allowed Design of cylinders 90 mm in diameter is not described as they are of piston design well known in operation and have no any specific design features Adjusting control wire ropes а disconnect wire ropes 7 Figure 9 1 from levers 42 and 43 b put both levers 42 and 43 to extreme front positionso that hinge lowered down to fully drawn in position o...

Страница 247: ...tributor 3 pressure oil line 4 oil lines of outlets 5 6 7 8 9 10 drain oil line 11 с to avoid ingress of foreign particles inside cavity of oil lines wrap ends of all removed oil lines with polyethylene and put them on clean surface d unscrew three nuts 12 that fasten distributor arm 13 to oil tank 15 and dismount distributor 3 together with arm 13 e unscrew four bolt 14 that fastens distributor 3...

Страница 248: ... Figure 9 6 that fastens yoke 15 on shaft 16 and unscrew it e while supporting yoke 15 pull out shaft 16 with handle and yoke 15 f screw two disassembly bolts inside flange of cup 5 Figure 9 5 and pull out cup with spacer 4 g pull drive out of oil tank h remove from shaft gear bearings 6 j dismount clutch 11 and pull out three balls 10 i extract one or two retainer rings 7 k pull out bushing 9 and...

Страница 249: ...with distributor RP 70 1221 а put vessel with at least 25 litres capacity under drain bolt 10 in bottom of oil tank 1 unscrew filler plug 4 then bolt 10 and drain oil b dismount gravity drain oil line comprising hose 3 and pipelines 5 and 8 having first released fastening с disconnect sleeves 13 of right side rear outlets from pipelines in the area of oil tank and remove them having first released...

Страница 250: ...nal cavity of oil lines wrap up ends of all dismounted oil lines with polyethylene and place them on clean surface j make installation and fastening of dismounted oil lines in reverse sequence i unscrew four bolts that fasten oil tank 1 to body of clutch coupling k slightly shake oil tank and having hooked arm 9 by frame crane dismount oil tank off transmission l place oil tank on clean surface to...

Страница 251: ...distributor 3 together with arm 13 e unscrew four bolt 14 that fastens distributor 3 to arm 13 Install distributor on oil tank in reverse sequence Figure 9 9 Dismounting oil tank of tractor with cabin dismantled for hydraulic system with distributor RS 213 Mita a put vessel with at least 25 litres capacity under drain bolt 10 Figure 9 10 and drain oil in bottom of oil tank 1 unscrew filler plug 4 ...

Страница 252: ...fastening f disconnect sleeves 6 of rear left side outlets of distributor and remove them having first released the fastening g to avoid ingress of foreign particles inside internal cavity of oil lines wrap up ends of all dismounted oil lines with polyethylene and place them on clean surface h make installation and fastening of dismounted oil lines in reverse sequence i unscrew four bolts that fas...

Страница 253: ...assembly assembly of rear hinge device RHD of tractor equipped with hydraulic hoist Disassembly and assembly of RHD presents no problems except for disassembly and assembly of gear braces 1 Figure 9 11 see below 1 braces 2 lower tie rods 3 lifting lever 4 5 bolts of brace cover Figure 9 11 ...

Страница 254: ...lower tie rod 2 Figure 9 11 2 unscrew four bolts 4 5 Figure 9 11 and remove cover 2 Figure 9 12 as an assembly with handle 3 3 screw yoke 4 Figure 9 12 inside tube 5 upwards to the end 4 take apart branches of ring 6 and dismantle it from groove 5 unscrew yoke 4 together with cap 7 out of tube 5 Make assembly in reverse sequence Figure 9 12 Gear brace ...

Страница 255: ...g sequence see figures 9 13 9 14 9 15 9 16 а remove clip 1 figures 9 13 9 15 having first unscrewed nuts 2 Figure 9 15 b pull out pin having first unscrewed bolts 4 and removed plate 5 Figure 9 14 с remove tie rod 6 Figure 9 14 Figure 9 13 d remove pins 7 having unscrewed nuts 8 Figure 9 13 e dismount cross piece 9 Figure 9 15 from guides 10 11 figures 9 13 9 16 f unscrew bolts 12 Figure 9 13 and ...

Страница 256: ...e 9 16 screw tie 15 inside left side guide 10 and having pulled out bushing 16 remove tie 15 through openings in right side guide 11 having first screwed it out of left side guide h unscrew bolts 16 figures 9 13 9 14 and having unscrewed nuts 17 off pins 18 19 20 Figure 9 14 remove guides 10 11 Figure 9 13 Figure 9 15 ...

Страница 257: ...ith tough thread in rear axle body for normal thread as from the opposite side the flat is increased b when installing tie 15 Figure 9 16 screw it in left side guide 10 and having installed bushing 16 unscrew to the end with shoulder inside bushing с after installation of guard 13 to prevent rotation of tie 15 put in one of openings А or B pin 14 so that extended symmetrically to tie body ...

Страница 258: ... 1221 3 1221 4 Disassembly semi frame in the following sequence а unscrew and extract bolts 5 and washers 6 Figure 10 1 b extract bushings 4 and disconnect spars 1 and 2 Make assembly of semi frame in sequency reverse to disassembly а put in place spars 1 and 2 b insert bushings 4 and screw them up with bolts 5 and washers 6 1 right side spar 2 left side spar 3 front beam 4 bushing 5 6 bolts Figur...

Страница 259: ...pull out bolts 18 and 20 with washers 19 21 and nuts 22 j disconnect arm 2 Assembly ballast in sequence reverse to disassembly а mount arm 2 using bolts 18 and 20 with washers 19 21 and nuts 22 b put in place stripes 3 and 9 insert bushings 11 by screwing up bolts 17 with washers 19 с hang loads 7 on arm 2 d attach eyelet 8 with pivot 1 and fasten them with bolts 10 and 16 with washers 12 and 19 a...

Страница 260: ...disconnect front beam Figure 10 3 from engine do the following а unscrew bolts 3 5 and 6 that fasten front beam 1 to diesel casing b undock front beam off engine с extract two bushings 4 from beam if they are easily extracted Dock front beam to engine in reverse sequence 1 front beam 2 bushing 3 bolt 4 bushing 5 bolt 6 bolt Figure 10 3 ...

Страница 261: ...ow temperatures Where glow plugs are available the following additional elements are provided harness of glow plugs relay of glow plugs With 24V start up system the electrical equipment includes voltage converter harness of voltage converter Tractors BELARUS 1221 4 correspond to level Tier 3A they are equipped with engines MMZ and Deutz They have engine electrical equipment that is characterized b...

Страница 262: ...ct carrier socket from temperature sensor 35 and socket from sensor of emergency oil pressure 34 situated on thermostat body disconnect wiring from panels 9 6 disconnect wiring from box of fuses 20 carrier socket and bolt tip from relay of glow plugs 24 7 unscrew figured nut 28 remove housing 29 unscrew both nuts of starter 27 terminals 30 and 50 remove all wiring 8 unscrew bolt 16 and disconnect ...

Страница 263: ...ven in item а of section 11 1 1 Dismounting electrical equipment elements of engine MMZ mounted on tractors BELARUS 1221 2 1221В 2 To dismount harness of voltage converter 4 Figure 11 1 perform operations given in item в of section 11 1 1 Dismounting electrical equipment elements of engine MMZ mounted on tractors BELARUS 1221 2 1221В 2 а to dismount harness of glow plugs 30 Figure 11 1 do the foll...

Страница 264: ...4 263 Figure 11 2 Engine MMZ To dismount harness of engine electrical equipment 21 figures 11 2 11 3 perform operations given in item а of section 11 1 1 Dismounting electrical equipment elements of engine MMZ mounted on tractors BELARUS 1221 2 1221В 2 Figure 11 3 Engine Deutz ...

Страница 265: ...astening it to tractor shell To dismantle screen of starter 42 unscrew two bolts 43 in engine unit Assembly erection of units of engine electrical equipment system Assembly of engine electrical equipment is made in reverse sequence with the following torques borne in mind а torque outputs of generator 33 to 14V from 9 to 13 Nm D and W from 2 0 to 3 0 Nm b outputs of starter 27 30 from 15 to 18 Nm ...

Страница 266: ...ed with failure of some elements It includes а replacement of ground switch b replacement of storage batteries Dismounting elements of storage battery compartment Before dismounting elements of storage battery compartment unscrew four bolts fastening compartment cover To replace ground switch 7 Figure 11 4 do the following а disconnect wires 1 2 having first unscrewed nuts on the ground switch pro...

Страница 267: ... of clamps 11 that fix storage batteries с pull out the batteries Make mounting and erection in reverse sequence with torques borne in mind а torque terminals of ground switch to М5 1 1 5 Nm М6 5 5 5 Nm М8 14 15 Nm b torque nuts of SB terminals to 6 0 6 5 Nm с grease terminals of storage batteries and wiring tips with grease LITOL 24 ATTENTION Observe polarity to connect storage batteries and wire...

Страница 268: ...that fasten it to storage battery box с dismount ground swich having unscrewed two nuts 4 that fasten it to storage battery box To replace two storage batteries 1 Figure 11 5 do the following а remove terminals from storage batteries loosening bolts 10 b unscrew nuts of clamps 11 that fix storage batteries 12 с unscrew bolts 13 and remove clamps 14 that fix storage batteries d pull out storage bat...

Страница 269: ...Disassembly assembly manual for tractor BELARUS 1221 2 1221В 2 1221 3 1221 4 268 Figure 11 5 Disassembly assembly of storage battery compartment and elements of start up system ...

Страница 270: ...carrier sockets from 1 switch of start interlock а 6 2 sensor of pneumatic system air pressure 2 3 sensor of emergency air pressure in pneumatic system 4 4 sensor of oil pressure in GB 5 5 two speed sensors 9 6 sensor of fuel volume 2 Figure 11 8 for tractors BELARUS 1221 4 6 1 sensor of fuel level 8 Figure 11 6 mounted on tractors BELARUS 1221 2 1221 3 с disconnect fastening gaskets 10 along enti...

Страница 271: ...10 having first put a jump in two terminal carrier socket 19 Dismounting of oil pressure sensor 5 Figure 11 6 in GB а disconnect coupling carrier socket of harness 1 Figure 11 6 view B b unscrew sensor 5 When installing new sensor torque it from 20 to 25 N m Dismounting of speed sensors 9 Figure 11 6 а disconnect coupling carrier socket of sensors 9 from carrier sockets of harness 1 b disconnect f...

Страница 272: ... assembly manual for tractor BELARUS 1221 2 1221В 2 1221 3 1221 4 271 Figure 11 7 When tractor is not equipped with pneumatic system Figure 11 8 Specific feature of electrical equipment of tractors BELARUS 1221 4 ...

Страница 273: ...ace control panel 3 do the following а disconnect connector of panel harness 3 from connector of cabin harness 13 b unscrew four screws 4 with nuts 5 for fastening control panel 3 to cover of right side panel с extract panel 2 with outcoming harness from seat in cover of right side panel 5 Install new panel in reverse sequence 1 transmission harness 2 collar 3 control panel 4 screw 5 nut 6 button ...

Страница 274: ...onnector fixing b unscrew check nut that fastens switch 6 с extract switch 6 from seat in arm 7 Observe the fllowing sequence of mounting new switch 6 а put switch 6 in seat in arm 7 b place switch with clamp outwards с tighten check nut torque 5 0 5 Н l d connect terminal of harness 8 to switch 6 for switches 6 rise of upper branch of harness 8 with mark NOTE change elements of hinge device contr...

Страница 275: ...Disassembly assembly manual for tractor BELARUS 1221 2 1221В 2 1221 3 1221 4 274 Figure 11 10 electric diagramm of control system of RHD ...

Страница 276: ...heels to the end left right side to the end b with diesel shut down disconnect harness cornector 4 Figure 11 11 from switch 2 с using wrench unscrew switch 2 from seat in FDA beam remove adjustment shims 1 1 adjustment spacer 2 switch ВК 12 51 3 pipe 4 harness fir FDA and switch ВК 12 51 5 gasket 6 pin carrier socket 7 harness for engine 8 harness for cabin 9 11 control lamp 10 FDA switch 12 DI sw...

Страница 277: ...tch ВК12 51 To replace harness 4 across FDA to switch ВК 12 51 sensor of turn angle if drive wheels do the following а disconnect terminals of harness 4 and 7 b remove pin carrier socket 6 from harness 4 с disconnect gaskets 5 for fastening harness 4 d pass the harness through pipe 3 Install new harness in reverse sequence To replace elements on panel 15 for control of DI and FDA switches control ...

Страница 278: ...Disassembly assembly manual for tractor BELARUS 1221 2 1221В 2 1221 3 1221 4 277 Figure 11 12 Electric diagram of control system of DI of rear axle and FDA ...

Страница 279: ...t right side to the end b with diesel shut down disconnect harness cornector 4 Figure 11 11 from switch 2 с using wrench unscrew switch 2 from seat in FDA beam remove adjustment shims 1 1 adjustment spacer 2 switch ВК 12 51 3 pipe 4 harness fir FDA and switch ВК 12 51 5 gasket 6 pin carrier socket 7 harness for engine 8 harness for cabin 9 11 control lamp 10 FDA switch 12 DI switch 14 relay 15 pan...

Страница 280: ... harness 4 across FDA to switch ВК 12 51 sensor of turn angle of drive wheels do the following а disconnect terminals of harness 4 and 7 b remove pin carrier socket 6 from harness 4 с disconnect gaskets 5 for fastening harness 4 d pass the harness through pipe 3 Install new harness in reverse sequence To replace elements on panel 15 or cover for control of DI FPTO and FDA switches 10 12 and 21 con...

Страница 281: ...Disassembly assembly manual for tractor BELARUS 1221 2 1221В 2 1221 3 1221 4 280 Figure 11 4 Electric connection diagram of control system for DI FDA and FPTO BELARUS 1221 1221В ...

Страница 282: ...side to the end b with diesel shut down disconnect harness cornector 4 Figure 11 11 from switch 2 с using wrench unscrew switch 2 from seat in FDA beam remove adjustment shims 1 1 adjustment spacer 2 switch ВК 12 51 3 pipe 4 harness fir FDA and switch ВК 12 51 5 gasket 6 pin carrier socket 7 harness for engine 8 harness for cabin 9 11 control lamp 10 FDA switch 12 DI switch 14 relay 15 panel 16 co...

Страница 283: ...y when injecting grease leads to damage of switch ВК12 51 To replace harness 4 across FDA to switch ВК 12 51 sensor of turn angle if drive wheels do the following а disconnect terminals of harness 4 and 7 b remove pin carrier socket 6 from harness 4 b disconnect gaskets 5 for fastening harness 4 pass the harness through pipe 3 Install new harness in reverse sequence To replace elements on panel 15...

Страница 284: ...ting the cabin а before dismounting the cabin disconnect connectors of cabin harness 8 from engine harness 7 and transmission harness 18 b After mounting the cabin connect terminals of cabin harness 8 to engine harness 7 and transmission harness 18 Replace harness of DI FPTO and FDA control system according to diagram Figure 11 16 ...

Страница 285: ...Disassembly assembly manual for tractor BELARUS 1221 2 1221В 2 1221 3 1221 4 284 Figure 11 16 Control system of DI FDA PTO and gear of BELARUS 1221 tractor ...

Страница 286: ...isconnect harness cornector 4 Figure 11 17 from switch 2 с using wrench unscrew switch 2 from seat in FDA beam remove adjustment shims 1 1 adjustment spacer 2 switch ВК 12 51 3 pipe 4 harness fir FDA and switch ВК 12 51 5 gasket 6 pin carrier socket 7 harness for engine 8 harness for cabin 9 11 control lamp 10 FDA switch 12 DI switch 14 relay 15 panel 16 cover 17 screw 18 transmission harness 19 l...

Страница 287: ...ber that bearing cavity is closed tightly and building up of excessive pressure inside cavity when injecting grease leads to damage of switch ВК12 51 To replace harness 4 across FDA to switch ВК 12 51 sensor of turn angle if drive wheels do the following а disconnect terminals of harness 4 and 7 b remove pin carrier socket 6 from harness 4 c disconnect gaskets 5 for fastening harness 4 d pass the ...

Страница 288: ...ting the cabin а before dismounting the cabin disconnect connectors of cabin harness 8 from engine harness 7 and transmission harness 18 b After mounting the cabin connect terminals of cabin harness 8 to engine harness 7 and transmission harness 18 Replace harness of DI FPTO and FDA control system according to diagram Figure 11 18 ...

Страница 289: ...ual for tractor BELARUS 1221 2 1221В 2 1221 3 1221 4 288 Figure 11 18 Electric control system diagram of FDA and DI of rear axle of BELARUS 1221 4 tractor two brake sensors sensor for left side pedal is additionally installed ...

Страница 290: ...33 73 torque 20 25 Nm b connect connector of harness 3 to sensor 5 1 harness for power supply to switching and protection unit of series 1000 2 cabin harness 3 engine harness 4 harness for connection of engine with control electroninc unit 5 sensor of cooling fluid level 6 electronic pedal 7 information monitor 8 control panel 9 screws for fastening control panel 10 harness of socket and harness 1...

Страница 291: ... reverse sequence To replace electronic unit 12 of engine control do the following а disconnect connectors of harness 2 4 from electronice unit 12 b unscrew four bolts 15 for fastening electronic unit 12 to arm 16 с dismount electronic unit 12 d assembly everything with new electronic unit 12 in reverse sequence ATTENTION Observe individual compliance of electronic unit with concrete engine No of ...

Страница 292: ...anel e mount new element on panel 6 where necessary screw up screws that fasten it to panel f connect to it connector of harness 3 or 8 g install panel 6 as an assembly with mounted elements and connected harness 3 8 inside seat of the right side post plate h screw up screws 7 to fasten panel 6 1 harness for power supply to switching and protection unit of series 1000 2 cabin harness 3 engine harn...

Страница 293: ...harness 3 b disconnect harness 3 from harness 2 and disconnect connector of harness 3 that fastens it to arm с in the storage batteries compartment disconnect tips of harness 1 and pull out harness from compartment d remove gaskets and collars that fasten harness After replacing engine make connection and fastening of harness in 1 2 3 in reverse sequence and according to diagram 11 10 2 Operations...

Страница 294: ... 6702550 on front cabin wall b disconnect from dashboard connectors 1 Figure 11 21 on engine and transmission с disconnect from carrier socket 2 dashboard harness the carrier socket of cabin roof harness d remove plastic housing 3 having first unscrewed screws 4 that fasten it e dismount under steering wheel switch 5 together with housing 3 having first unscrewed screws 6 that fasten switch f remo...

Страница 295: ...own in figure 11 23 Figure 11 22 To replace components without dismounting dashboard Figure 11 22 do the following a to replace fuses flap cover 10 with block of fuses having first unscrewed two quick dismounting screw 3 remove cover from the needed block and replace fuse b to replace cover 9 of box of fuses unscrew quick dismounting screw 3 pull out of holders boxes of fuses and replace cover с t...

Страница 296: ...ashboard elements follow electrical wiring diagram given in the operating manual of this tractor f to replace plate 13 unscrew nut 14 that fastens switch of starter 16 and replace the plate g to replace plug 20 slightly squeeze fastening extension of plug on the side of face surface of dashboard panel 21 and replace it h to replace switch of starter 21 first disconnect wires from it then unscrew n...

Страница 297: ...e on the side of face surface of dashboard panel 21 and replace it р to replace dashboard 35 remove from it all components by having first disconnected carrier sockets and wires of harness Then replace the dashboard ATTENTION When mounting components back in place strictly follow follow electrical wiring diagram given in the operating manual of this tractor q to replace relay 37 of road headlights...

Страница 298: ...onnect from dashboard connectors 1 Figure 11 21 on engine and transmission on the basis of dashboard с disconnect from carrier socket 2 harness of operation headlights d remove housing 3 having first unscrewed screws 4 e dismount under steering wheel switch 5 from steering column having first unscrewed screws 6with nuts 7 and washers 8 f remove steering wheel 7 g dismount dashboard having first un...

Страница 299: ...oard as shown in figure 11 26 Replacing components without dismounting dashboard To replace the under steering wheel switch 5 Figure 11 24 do the following а dismount housing 3 having first unscrewed two screws 4 b unscrew fastening screws 6 with nuts 7 and washers 8 с disconnect from switch harness carrier socket and replace the switch 5 To replace fuses do the following а remove cover 10 Figure ...

Страница 300: ...ws 1 that fasten them and replace corresponding box ATTENTION When putting boxes of fuses back in place strictly follow electric wiring diagram given in the operation manual of this tractor b to replace rear wall 5 first unscrew four bolts 6 that fasten it and replace the wall с to replace resistor for feeding generator 7 disconnect wires from it then unscrew two screws 8 and replace the resistor ...

Страница 301: ...d replace the alarm j to replace control panel 20 for combined indicator disconnect from it harness carrier socket then dismount panel on the side of face surface of dashboard panel 21 and replace the panel k to replace combined indicator 22 disconnect from it two carrier sockets of harness unscrew two nuts that fasten the device remove retaining clamps then extract indicator on the side of face s...

Страница 302: ...hen remove switch device on the side of face surface of dashboard panel 21 and replace it o to replace plug 27 slightly squeeze fastening extension of plug on the side of face surface of dashboard panel 21 and replace it p to replace two relays 29 of road headlights disconnect from them harness carrier socket unscrew screws 28 that fasten relay and replace the relay ...

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