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Zetor 3321 SUPER, Operator'S Manual

Get your hands on the Zetor 3321 SUPER Operator's Manual for free download at manualshive.com. This comprehensive manual provides detailed instructions and valuable information for operating your Zetor 3321 SUPER tractor. Ensure smooth and efficient performance by having this essential manual at your fingertips.

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73

HYDRAULIC SYSTEM

The  hydraulic  system  is  intended  for
lifting  and  lowering  of  agricultural  ma-
chines  and  implements  attached  in  the
rear three point hitch.

Page

Hydraulic system (A) ................................................................................................. 74
Hydraulic oil filtration ................................................................................................. 74
Hydraulic inner circuit ................................................................................................ 75
Response rate control lever (3) ................................................................................. 75
Inner circuit control lever (1) ...................................................................................... 75
Control position mode selection lever ....................................................................... 76
Outer circuit control lever .......................................................................................... 77
Hydraulic outer circuit................................................................................................ 78
Hydraulic outer circuit outlets -rear ........................................................................... 78
Max. oil capacity supplied from outer circuit ............................................................. 78
Single-acting hydraulic cylinder control ..................................................................... 79
Double-acting hydraulic cylinder control ................................................................... 79

∗

 Selective control valve............................................................................................ 80

∗

 Front outer circuit outlets ........................................................................................ 80

Connection of machines and implement to hydraulic outer circuit ............................ 81
Rear three point hitch ................................................................................................ 82
Rear three point hitch attaching ................................................................................ 83

∗

 Lower link stabilizers .............................................................................................. 84

∗

 Telescopic lower draft links .................................................................................... 84

Top link...................................................................................................................... 85
Top link...................................................................................................................... 85
Selection of top link position ..................................................................................... 85

∗

 Front three point hitch ............................................................................................ 86

Front three point hitch control ................................................................................... 86
Regulation of lowering and hydraulic lock of front three point hitch .......................... 86
Reduction valve setting ............................................................................................. 87
Carried implement attaching ..................................................................................... 87
Warning..................................................................................................................... 87

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Summary of Contents for 3321 SUPER

Page 1: ......

Page 2: ...erator s manual before attempting to operate the tractor You will find a lot of new information and receive a perfect overview how to use the tractor with highest efficiency at various operations Your...

Page 3: ...pecifications design equipment material and external appearance is valid in the time of this operator s manual issue Manufacturer reserves rights for changes PDF byl vytvo en zku ebn verz FinePrint pd...

Page 4: ...l This is the separate book let that is passed to you at purchasing of your new tractor Page Location of serial numbers 6 Safety instructions for users 8 Preventive daily service 11 Acquaintance with...

Page 5: ...4 CAB TRACTORS ZETOR 3321 33 kW ZETOR 4321 44 kW ZETOR 5321 47 kW ZETOR 6321 51 kW ZETOR 7321 58 kW A 1 PDF byl vytvo en zku ebn verz FinePrint pdfFactory http www fineprint cz...

Page 6: ...5 CAB TRACTORS ZETOR 3341 33 kW ZETOR 4341 44 kW ZETOR 5341 47 kW ZETOR 6341 51 kW ZETOR 7341 58 kW A 2 PDF byl vytvo en zku ebn verz FinePrint pdfFactory http www fineprint cz...

Page 7: ...6 LOCATION OF SERIAL NUMBERS M97 vyrcisla PDF byl vytvo en zku ebn verz FinePrint pdfFactory http www fineprint cz...

Page 8: ...ETOR 3341 ZETOR 4321 ZETOR 4341 ZETOR 5321 ZETOR 5341 ZETOR 6321 ZETOR 6341 ZETOR 7321 ZETOR 7341 The left right front and back side of the tractor is determined by sitting on the seat in the normal o...

Page 9: ...nd connect the cable into electricity after After pre heating disconnect the cable from ele ctricity first WARNING Electrical shock hazard OPERATION 10 Hoses of hydrostatic steering brakes and fuel sy...

Page 10: ...ed implement in lifted position 31 Don t forget to brake the tractor with parking brake shift the gear remove the key from key switch and lock the cab before leaving tractor 32 Shift the reversor leve...

Page 11: ...ety and hygienic regulations they must use the suitable protectors and work in properly ventilated areas WORKING WITH CRUDE OIL PRO DUCTS 44 Wash properly your hands with mild detergent and protect th...

Page 12: ...11 PREVENTIVE DAILY SERVICE Do this service every day or at least every 8 to 10 hours A 8 PDF byl vytvo en zku ebn verz FinePrint pdfFactory http www fineprint cz...

Page 13: ...er unscre wing and removing of oil dipstick In spect the lubrication system for leakage Maintain the oil level between dipstick marks COOLING SYSTEM Inspect the engine cooling system for leaks Check t...

Page 14: ...AKES Inspect the air brake system leak and tractor break efficiency with trailer see inspection for air brake leak STEERING Check the oil level in the hydrostatic steering oil tank by dipstick Inspect...

Page 15: ...logging clean the cleaner and fix the correct function of indicator by the following way push the push button on the indicator body 2a you will mechanically release the indica tor lock of read field i...

Page 16: ...by the press air and inspect the front three point hitch hydraulic circuit for leaks SHORT FUNCTIONAL TEST Check if the lubrication indicator light is off after starting engine Check the function of...

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Page 19: ...18 NOTE PDF byl vytvo en zku ebn verz FinePrint pdfFactory http www fineprint cz...

Page 20: ...Front and rear wiper switch 24 Ventilation outlets 25 Front wind shield defrosting 25 Washer nozzle 26 Washer reservoir 26 Outside door opening 26 Cab doors 27 Rear window 27 Opening for implementatio...

Page 21: ...00 rpm b yellow 38 Front wheel drive disengagement 39 Reversor shifting lever 39 Compressor engagement 40 Parking brake lever pto shaft control lever and pick up hitch control lever 40 Differential lo...

Page 22: ...ing stroke is 120 mm Do not adjust the seat on the go Danger of accident LONGITUDINAL SEAT ADJUSTMENT The seat can be longitudinally adjusted within range 75 mm 11 positions after unlocking of left ha...

Page 23: ...ption SEAT ADJUSTMENT FOR DRIVER S WEIGHT Adjust the seat by a plastic knob located on the front part of seat support LONGITUDINAL SEAT ADJUSTMENT Adjust the seat longitudinal position by a lever loca...

Page 24: ...CAB Rear tiltable window and cab doors are equipped with inner handles and gas struts Front window is equipped with the sunshade The internal cab space is noise protected The roof is optionally equip...

Page 25: ...o the space under heating system control panel CONTROL PANEL ON RIGHT CAB PILLAR 4 Cab illumination light with switch 5 Two speed front windshield wiper and washer switch 6 Rear window wiper switch FR...

Page 26: ...t wind shield with 45 angle from vertical position the B side outlets directed towards front corners of cab After front wind shield defrosting the side outlets can be directed towards door glasses for...

Page 27: ...RESERVOIR The washer reservoir is located in the cab on the right hand side of rear wall behind the driver s seat The washer reservoir capacity is 2 5 litters Anti freeze mixture must be used in winte...

Page 28: ...dow cracking Before starting work with machines im plemented in the rear three point hitch be sure that the interferen ce between hitched implement and opened rear window is avoided at the maximal lif...

Page 29: ...Opening for draining of impurities is located in the bottom part of fuel tank AVERAGE FUEL CONSUMPTION IN LITTERS PER HOUR AT ZETOR TRACTOR Tractor Model Engine Load 100 80 50 Z 3321 3341 10 2 8 40 6...

Page 30: ...Position high and low beam headlight switch with indicator light 6 Warning light switch with indicator light 7 Low beam roof light switch with indi cator light 8 Differential lock control switch with...

Page 31: ...on if the engine oil pressure drops below 120 to 60 kPa 9 Air cleaner clogging indicator light is on after air cleaner clogging yellow not assembled 10 Indicator light for warning lights 11 Critical...

Page 32: ...KEY IN 0 POSITION All electrical appliances controlled by the key switch are disconnected The key can be removed KEY IN I POSITION All electrical appliances controlled by the key switch are connected...

Page 33: ...cab and AC The key is turned automatically to I position after starting RESERVE KEY POSITION The key is in reserve not used position some electrical systems are on by turning the key into left from 0...

Page 34: ...on II Low beam headlights in the roof are on these lights are used only if the front grill headlights are covered by attached implement hitched in front three point hitch HAZARD LIGHT SWITCH B 0 Haza...

Page 35: ...right b Turn signal left c Acoustic horn High beam light move the lever down wards in direction of steering wheel axis THROTTLE CONTROL LEVER A Max throttle B Low idle C Stop PEDALS AND LEVERS 1 Trave...

Page 36: ...ting lever grip is black TRACTORS WITH TRAVEL SPEED 40 kmph All models of four cylinder tractors equipped with Carraro front driving axle and brakes in front final drive can optio nally have 40 kmph F...

Page 37: ...pattern decal for transmission with reduction rear PTO shaft 540 or 1000 RPM and ground PTO speed 3 Shifting pattern decal for reversible transmission with reduction rear PTO shaft 540 RPM and ground...

Page 38: ...ear PTO shaft 540 or 1000 RPM and ground PTO speed 6 Shifting pattern decal for reversible transmission with front PTO 1000 RPM reduction rear PTO shaft 540 RPM and ground PTO speed Positions of rever...

Page 39: ...osition F PTO SPEED CONTROL LEVER 540 OR 1000 RPM B YELLOW c 540 RPM N neutral d 1000 RPM Tractor is equipped with the six spline PTO shaft end for 540 RPM as a standard Tractor can be equipped with t...

Page 40: ...ve lever in forward posi tion F 2 Backward drive lever in reverse po sition R Altogether 10 forward speeds and 10 re verse speeds are reached in combina tion with reduction range The main shifting lev...

Page 41: ...railer brakes PARKING BRAKE LEVER PTO SHAFT CONTROL LEVER AND PICK UP HITCH CONTROL LEVER 1 Control lever of PTO shaft clutch 2 Parking brake lever 3 Pick up hitch control lever DIFFERENTIAL LOCK Rear...

Page 42: ...ress is minimally 500 kPa indicated on pressu re gauge The valve insures automatic disengaging of PTO shaft if the air presssure drops under 410 kPa 60 kPa It s life dangerous to do any re pairs or cl...

Page 43: ...s is twice higher 20 4 at tractors equipped with Hi Lo Hi Lo torque multiplier is automatically disengaged after depressing of clutch pedal brake pedals or after applying of PTO control lever i e at d...

Page 44: ...341 only 46 Shifting from higher to lower gear 48 Driving downhill 48 Driving uphill 49 Gear shifting of reduced speeds 49 Tractor stopping parking brake 49 Turbocharged engine stopping 50 Leaving tra...

Page 45: ...ing can be eliminated at higher ambient temperature 5 Set the max throttle and again move the shifting lever shifted in neutral towards you starting safety system will be switched on 6 Turn the key th...

Page 46: ...s assembled into engine block as an option Its output is 1000 W at voltage 220 V of alternating electrical current Heater is used at ambient tem perature below 10 C ENGINE STARTING WITH COOLANT HEATER...

Page 47: ...3 minutes without load In this time check for proper lubrication charging indicator lights must be off and other functions assuring correct en gine operation Engine idle time without load must be kept...

Page 48: ...thly and slowly Fast starting move can cause the overload of transmission increased fuel consump tion excessive tire wear and damage of the transported load Use the 1 st gear only for starting move wh...

Page 49: ...without the shifted gear is forbidden If driving down the long hill shift so lower gear the sharper one the hill is If possible shift the lower gear before driving downhill Remember The gear you use r...

Page 50: ...speeds With regard to the low travel speed of the tractor at shifting the tractor must almost always be moved from the stop TRACTOR STOPPING PARKING BRAKE Stop gently and slowly the tractor at nor ma...

Page 51: ...ntrol lever into STOP position The sa me is recommended for naturally aspi rated engines too LEAVING TRACTOR Do not forget to remove the key from the key switch and lock the cab at cab tractors before...

Page 52: ...the foot operated disc brakes and this works at latched pedals only The air brake operation is synchronized with braking tractor including the brake effect Working pressure is set by a pressure valve...

Page 53: ...ake system B coupling of double hose air brake system red filling circuit C coupling of double hose air brake system yellow braking circuit WARNING DEVICE Dropping of air pressure under critical margi...

Page 54: ...ump The hydraulic valve BOSCH 1 is used in circuit of hydraulic pump disengageable pump The pressure in the brake coupling must be 12 15 MPa at maximal press on the brake pedal Trailer brake valve pri...

Page 55: ...sequently cre ated damage eventually even traffic hazard FIRST 10 HOURS do running in at transportation only retorque front and rear wheel nuts by prescribed torque 70 HOURS AFTER Change the hydraulic...

Page 56: ...ta bilizing 70 HOURS AFTER Retorque the cylinder head nuts re commended torque is 167 to 177 Nm at the cold engine and check for valve clearance 0 25 0 05 mm at the cold engine 100 HOURS AFTER You can...

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Page 58: ...e for attaching trailer your self Keep also safety of your assistant Page Front hook 58 Trailer hitch 58 Mechanical mouth of trailer hitch 58 Automatic mouth of trailer hitch 59 Swinging drawbar 59 Sw...

Page 59: ...ght two wheel trailers The trailer hitch is height adjustable in 5 positions by 50 mm Hitch is attached by means of bolts or pins with cotter pins Important Working with various agricul tural implemen...

Page 60: ...ging drawbar can be set side to si de in 5 positions Drawbar is fixed by the brace in desired position The drawbar can be longitudinally set in two positions measured from the end of PTO shaft 350 or...

Page 61: ...R This hitch device can be equipped with swinging draw bar that is in the opposite side of hitch hook Swinging draw bar can have three working positions Change of hitch hook for swinging draw bar is c...

Page 62: ...TRAILER Trailer is disattached after slight raising of hitch by internal circuit lever Move the pick up hitch control lever forward with selected position control The lever is lo cated on the left ha...

Page 63: ...with two wheel trailer Type Allowed vertical static load Type Allowed vertical static load 10 kN 8 kN 8 kN 18 kN 6 kN 12 kN 12 kN 5 kN Maximal weight of implemented braked trailer must not exceed the...

Page 64: ...400 3400 3400 13 12 12 12 12 32 32 32 30 30 8 20 30 40 13 6 36 13 6 36 13 6 36 13 6 36 4000 3870 3230 2900 18 17 11 19 20 25 15 18 16 11 8 5 28 29 34 37 Additional front ballast weights under frame in...

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Page 66: ...when working with PTO 66 Pto independent and ground speed shifting 66 PTO shaft exchangeable PTO shaft ends 67 PTO clutch hand control lever 67 PTO clutch mechanical control 68 Adjusting process 68 P...

Page 67: ...erse control lever into forward position and main shifting lever into neutral when working with PTO at stopped tractor equipped with reversor It is recommend ed not to work with engaged fourth and fif...

Page 68: ...ch is disengaged Lower position clutch is engaged The application of lever into disengage position is indicated with indicator light located on the dashboard Connecting and disconnecting of cardan sha...

Page 69: ...means of adjusting nut 3 so that to be 4 mm play between bearing 11 and clutch levers 12 the play must not be lower than 2 5 mm Hold the push pull cable screw 6 in adjusting nut 3 to avoid its rotatio...

Page 70: ...ngage levers 13 Adjusting link 14 Link 15 Pneumatic cylinder 16 Electromagnetic valve ADJUSTING PROCESS FOR PNEUMA TIC CONTROL WITH MECHANICAL LINKAGE 1 Remove the plastic cover of PTO clutch hand con...

Page 71: ...fter adjusting raise the PTO control hand lever 1 with disconnected ele ctrical supply for electromagnetic val ve 16 by force that is necessary for PTO declutching Check adjusting according to points...

Page 72: ...and ma chine starting move Warning The condensed water from the space of clutch sealing cuff must be removed before each winter time This is done by several times clutch engaging and disengaging after...

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Page 74: ...circuit 78 Single acting hydraulic cylinder control 79 Double acting hydraulic cylinder control 79 Selective control valve 80 Front outer circuit outlets 80 Connection of machines and implement to hy...

Page 75: ...valve in the circuit set to 18 2 MPa HYDRAULIC OIL FILTRATION Hydraulic pump sucks the oil through the suction cleaner located on the left side of transmission You can change the oil cleaner without...

Page 76: ...to wards driver s seat Hydraulic response rate is reduced by restriction of the oil flow at the draft or mixed control for example when ploughing in various soil conditions INNER CIRCUIT CONTROL LEVE...

Page 77: ...trol This is suitable especially for ploughing at soils with various resistance D Draft control Implement attached in the three point hitch is automatically readjusted depending upon the soil resistan...

Page 78: ...il is blocked in attached hydraulic implement The lever is automatically kept by spring in this position c Floating free position Both outlets of quick couplers No 1 and 2 are connected with return li...

Page 79: ...ple ments for example from rotary hydro motors etc Attached implements using the oil from hydraulic outer circuit must be filled with the same kind of oil as recommended for tractor transmission MAX O...

Page 80: ...cylinder and with quick coupler No 2 for sliding in lifting lever is in the rear margin po sition a it must be kept by hand in this position neutral lever is in the middle position b and is kept by s...

Page 81: ...ng position labeled F sections with outlets 5 6 are moreover equipped with lock in both pressure positions The spool valve in this section is automatically turned into neutral position when the pressu...

Page 82: ...R OR SCV Oil inlet line into these implements marked P is connected with quick coupler 1 oil return line is connected with quick coupler 0 If the reversible hydromotor is used the oil lines are connec...

Page 83: ...to ISO regulation The inner opening of top link ball is 25 mm The three point hitch consists of 1 Top link 2 Left lift link 3 Right adjustable lift link 4 Lower draft link stabilizers 5 Lower draft li...

Page 84: ...liding of left link pin into the groove In this case the lower draft link ends can be freely vertically moved by 100 mm one each other Lower link stabilizers 5 serve for limiting of side to side swing...

Page 85: ...egory II The rear wheel tread must be readjusted when working with implement of category II that needs the side swing for example plough The rear tread 1500 mm standard setting must be set for tires 1...

Page 86: ...ement falling down TOP LINK Pay attention to keep the same length of joints from the link tube at prolongation of the top link SELECTION OF TOP LINK POSITION Attachment of top link into one from openi...

Page 87: ...equipped with two single or double acting cylinders that are controlled by oil from the 2nd and 3 rd selective control valve Lifting and lowering is controlled by SCV lever 1 lifting is done by movin...

Page 88: ...ked by pins Fixed and floating position is pro vided by pins fixed position of attached implement is provided by assembly of pins into po sition 1 floating position of attached implement is provided b...

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Page 90: ...91 Front driving axle tread setting 92 Front driving axle fenders 92 Setting of stops 93 Front wheel toe in 94 The tractors are standartly equipped with hydrostatic steering 95 Rear wheel tread settin...

Page 91: ...1425 1500 1800 Tractor knee load capacity at tractor speed 20 km h 1 8 km h 1 1510 kg 2240 kg 1660 kg 2460 kg 2010 kg 2980 kg 2360 kg 3000 kg Complete summary of treads and maximal allowed loads cause...

Page 92: ...s on ball joints 2 on ball joint sockets 3 and remove both connecting rods 4 Slide out or in the knees to the required tread reassemble screws Tighten axle knee nuts by torque 177 196 Nm First of all...

Page 93: ...ont driving axle at used tire 13 6 24 1583 1660 1734 and 1810 mm Tighten front wheel nuts by torque 270 300 Nm FRONT DRIVING AXLE FENDERS Front fenders are located on adjustable holders that can be si...

Page 94: ...e 9 5 24 11 2 24 11 2 24 12 4 24 13 6R24 treads A mm A mm A mm A mm A mm 1500 1583 1594 1650 1660 1734 1745 1800 1810 33 29 22 19 44 43 37 29 25 43 37 30 26 43 37 33 26 tractor w o fenders tire 9 5 24...

Page 95: ...Front wheel toe in is 0 to 4 mm at tractor with front driving axle Check and eventually adjust the play of front wheel bearings before toe in checking A 128 Front wheel toe in is measured on rims The...

Page 96: ...front non driven axle Slide out the steering cylinder piston rod up to value 145 5 1 Loosen nuts 2 3 and adjust the toe in to the required value by turning of rod 4 measure on the rim side Tractors w...

Page 97: ...ly set for following tires 12 4 28 12 4 32 13 6 36 REAR WHEEL TREAD SETTING The rear wheel treads are adjustable by step 75 mm and are set by changing of rim and disc position Tread setting is done wi...

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Page 100: ...weights B 100 Ballast weights for 4wd tractors A 100 Front ballast weights 100 Rear wheel ballast weights 100 Valve for filling of tires with liquid 101 Blocking front wheels 101 Process for filling...

Page 101: ...kg c front three point hitch weights holder 12 pcs of weights 260 kg Ballast weight c with holder is attached in the front three point hitch lower links This weight is intended for assuring of longit...

Page 102: ...llowing page Unload tire by lifting tractor and turn it with valve upwards A Deflate the tube and remove the valve insert Thread the adapter for filling of tires with water and slide the water hose ov...

Page 103: ...el with the valve upwards B Remove the rest of liquid from tire by means of pressure air after assembly of adapter for filling tires with water C Blow out the liquid so long until liquid runs from ada...

Page 104: ...45 45 11 8 13 9 15 4 0 21 0 23 0 25 1 13 1 18 1 21 18 25 30 50 50 50 57 59 61 Liquid preparation 1 Dry calcium chloride CaCl2 is added into water never the other way 2 Liquid is not dangerous but it m...

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Page 106: ...ctor by properly done technical maintenance Keep consistently safety regulations at all operations Page Planned technical maintenance 106 Lubrication chart of tractor Z 3321 Z 7341 112 Lubrication cha...

Page 107: ...using and intake manifol cleaning X X Inspection for turbocharger leaks and bearing play X X Inspection for water pump bearing play X X ENGINE ACCESSORY Inspection for leaks and function of hydraulic...

Page 108: ...cartridge exchange Hydraulic pump suction cleaner X X Every 600 hours Inspection of oil level in transmission differential housing and bull gear housings portals X X Every 600 hours 2 Exchange of oil...

Page 109: ...tion for steering function steering oil level in steering tank X Every 10 hours FRONT DRIVING AXLE Exchange of oil in front axle housing and final drive housings X X X X X Inspection for oil level in...

Page 110: ...and adjustment of service and parking brake X X X X X X X X X X Air brake adjustment X X X X X X Clutch and brake pedal free travel adjustment X Every 200 hours Greasing of hydraulic brake system cont...

Page 111: ...tic steering X X Every 200 hours Inspection for driver s seat function greasing of moving parts X Every 200 hours 8 Inspection for seat schock absorber leaks X X Exchange of seat schock absorber oil X...

Page 112: ...x period five years from tractor production time 5 Max period five years from air tank production time or after accident 6 This covers the adjustment of front asymmetric headlight and adjustment of br...

Page 113: ...112 LUBRICATION CHART OF TRACTOR Z 3321 Z 7341 A 139 PDF byl vytvo en zku ebns verzs FinePrint pdfFactory http www fineprint cz...

Page 114: ...113 LUBRICATION CHART OF TRACTOR Z 3321 Z 7341 A 140 PDF byl vytvo en zku ebns verzs FinePrint pdfFactory http www fineprint cz...

Page 115: ...lub nipple Torsion shaft of sensing control 1 lub nipple Push pull cable of pick up hitch hand parking brake and PTO clutch control Cab blower bearings Bearing and lever system of front and rear wipe...

Page 116: ...assembly Brake control cylinders after disassembly Pick up hitch pin Brake booster pneumatic circuit hydraulic circuit Distilled water WACKER Silicon paste P4 Weich WACKER Silicon paste P4 Weich PM LA...

Page 117: ...iding bearing nipples Front axle differential housing Front axle final drive housing Front axle final drive with brakes Driving shaft connection bushings MOGUL LV 2 M MOGUL LV 2 M API GL5 MIL L2105D A...

Page 118: ...nt temperature Specification API class CCMC APR 95 turbocharged naturally aspirated turbocharged naturally aspirated 10W 30 10 CD CE CF 4 CC below 7 0 C MIL L 2104 D 4 PD 2 20W 30 20W 40 15W 30 15W 40...

Page 119: ...TURBORAL AUSTROTRAC MOGUL DIESEL DTT Plus MV truck M plus MV truck FE plus MV truck FE MV austrotrac MV truck LD MV RME plus 20W 40 15W 40 15W 40 10W 30 15W 40 10W 30 10W 40 15W 40 10W 40 10W 40 10W 3...

Page 120: ...il mark Viscosity class API class SHELL DONAX TT 80W GL 4 ARAL FLUID HGS The following oils were verified in hydrostatic steering of Zetor tractor TAB 5 Manufacturer Oil mark Standard ARAL MV MV MV MV...

Page 121: ...uel NM 22 according to SN 656506 for period from 1 November to 31 March NOTE Similarly the suitable fuels must be used abroad ANTIFREEZE FOR COOLING SYSTEM AND HEATING Antifreeze FRIDEX STABIL or FRID...

Page 122: ...planet gear API GL5 MIL L2105D 2x0 6 2x0 6 Oil for front axle planet gear with brakes AGIP Rotra Multi THT 2x1 7 2x1 7 Oil for front PTO gearbox TAB 3 0 8 0 8 Brake fluid HD 205 0 5 0 5 Hydrostatic s...

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Page 128: ...system bleeding 134 Dry air cleaner maintenance 135 Main air filter element regeneration 135 Inner safety air filter element exchange 136 Air filter element reassembly 136 Clogging indicator reset 136...

Page 129: ...sure for rear wheels of tractors Z 3321 Z 3341 Z 4321 Z 4341 Z 5321 Z 5341 Z 6321 Z 6341 Z 7321 Z 7341 148 Recommended tire inflation pressure for radial rear wheels of tractors Z 3321 Z 3341 Z 4321 Z...

Page 130: ...ion strainer 2 Oil pump 3 Reduction valve 4 Oil filter w exchangeable cartridge 5 Main oil channel 6 Pressure switch 7 Indicator light 8 Filler 9 Oil dipstick 10 Injection pump 11 Oil draining plug PD...

Page 131: ...uction strainer 2 Oil pump 3 Reduction valve 4 Oil filter w exchangeable cartridge 5 Main oil channel 6 Pressure switch 7 Indicator light 8 Filler 9 Oil dipstick 10 Injection pump 11 Oil draining plug...

Page 132: ...pump 3 Reduction valve 4 Oil filter w exchangeable cartridge 5 Main oil channel 6 Pressure switch 7 Indicator light 8 Filler 9 Oil dipstick 10 Injection pump 11 Oil draining plug 12 Cooling exchanger...

Page 133: ...emoving of draining plug do it immediately after stopping tractor or after engine preheating to working temperature Clean the draining plug before reassembly ENGINE OIL CLEANER EXCHANGE The engine oil...

Page 134: ...aling and strainer Clean the bowl and strainer with diesel fuel Check the right position of sealing at reassembly of fuel cleaner bowl before tightening of ring nut Bleed the fuel system FUEL CLEANER...

Page 135: ...fuel system by several strokes of hand priming pump 1 Loosen the screw of fuel cleaner input fitting 2 and let escape the foam Retorque the screw 2 and repeat the process until the clean foam free fu...

Page 136: ...by the following way 1 Push and turn two quick lockers 2 on the left right tractor side shield 2 Lift a little the side shield and remove it from the tractor 3 Remove the wing nut 3 of air cleaner cov...

Page 137: ...NT REASSEMBLY Be careful at the air filter element re assembly keep the contact surfaces clean air filter elements must not be defor med and must not vibrate after assembly rubber sealing must be fitt...

Page 138: ...linder and put them together with return line hose into vessels for the old oil Start the engine and turn the steering wheel twice or three times into both sides at low engine idle run max 10 seconds...

Page 139: ...ever check and add oil into tank Attention Don t allow draining or drop ping the oil from tank or hydrostatic steering circuit The steering system might be aerated 2 Start the engine and let it run fo...

Page 140: ...and on hose surface me chanical damage of hose surface up to steel wire cord Don t keep the steering wheel in the max steering angle positions max time is 20 seconds otherwise the oil is ex cessively...

Page 141: ...the left side shield Close both draining valves after draining of coolant let the heating sys tem valve A opened Fill the cooling system with antifreeze mixture antifreeze demineralized wa ter in rati...

Page 142: ...aged or lost plug must be exchanged by an original plug only this will assure breathing of transmission case DRAINING AND INSPECTION OPEN INGS 1 Transmission draining plug 2 Differential case draining...

Page 143: ...oil dipstick depending upon tractor operating conditions see the next text You can inspect the oil level by the inspection opening in the right part of transmission FRONT DRIVING AXLE Front driving a...

Page 144: ...B 3 and several time engaging and disengaging of PTO shaft PTO engaging and disengaging is done by control lever located on steering panel Pressure air will blow eventual impurities or condensed water...

Page 145: ...n with aero sols and other health dangerous mediums DRAINING OF CONDENSED WATER FROM AIR TANK Drain the condensed water by inclination of draining valve by pulling of its ring Valve is located on the...

Page 146: ...e before operation Check the inflation pressure at cold tires The tractor air pressure regulator can be used for tire inflation Remove the regulator rubber plug when inflating tire and assemble a hose...

Page 147: ...16 6 PR 6 50 16 6 PR 7 50 16 6 PR 7 50 20 6 PR Cultivation with light implement inflating pressure kPa load capacity kg 280 330 505 560 280 310 575 615 230 280 660 745 230 280 795 875 Ploughing infla...

Page 148: ...190 770 890 150 190 935 1080 100 140 875 1086 150 190 1115 1280 100 140 1005 1250 100 140 1075 1330 Ploughing inflating pressure kPa load capacity kg 190 240 890 1010 190 240 1080 1225 140 160 1085 1...

Page 149: ...oad capacity kg 140 170 1925 2175 140 170 1990 2245 140 170 1220 1355 140 170 2110 2380 140 160 1490 1615 Road transportation inflating pressure kPa load capacity kg 200 2175 200 2245 200 1355 200 238...

Page 150: ...605 100 140 1110 1375 Ploughing inflating pressure kPa load capacity kg 140 160 2055 2270 140 160 2110 2300 140 160 2230 2430 140 160 1605 1750 140 160 1375 1500 Road transportation inflating pressure...

Page 151: ...tires to value used for road transportation When storage of tractor for a long period support the tractor and reduce the tire pressure to minimum wheels must not touch the ground Tire load capacity ca...

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Page 154: ...brake system 157 3 Service brake system bleeding 158 4 Bleeding of front driving axle brake system 158 Bleeding process 159 Service and parking brake inspection and adjustment 160 Service brake adjus...

Page 155: ...7 Nm VALVE CLEARANCE ADJUSTMENT AT ENGINES Z 5202 Z 6202 Z 7202 Z 7702 Z 7302 Engine valve clearance is adjusted at cold engine The correct valve clearance at suction and exhaust valve is 0 25 0 05 mm...

Page 156: ...e sitting surface for injector in the cylinder head must be properly cleaned before injector reassembly Repaired and adjusted in jector must be cleaned and the injector body needs to be coated by vase...

Page 157: ...brake fluid at the brake fluid reservoir up to max level Remove plugs from vent screws 2 of trailer control valve 3 located on the right hand side of tractor between fuel tank and axle Slide the hose...

Page 158: ...on the left cab silentblock support Slide the hose on the vent screw and put the other end of hose into the transparent reservoir 4 partially filled with brake fluid Place the reservoir minimally 300...

Page 159: ...ew at this work Loosen the vent screw maximally by 1 4 turn Process for bleeding is the same as mentioned in Important see page 156 Fully press the pedal which is not blocked by gauge and tighten the...

Page 160: ...crew threads Left and right brake is bled simultaneously Loosen the vent screw maximally by 1 4 turn Press fully latched brake pedals up to stop and tighten the vent screw Release the brake pedal and...

Page 161: ...followng steps 1 service brake adjustment 2 parking brake adjustment The another way is not possible Sepa rately also only adjustment either service or parking brake is not possible Ad justment operat...

Page 162: ...ong parts by this way Check the play between nut 2 and pin 3 settled to 0 1 mm i e light contact of nut 2 with pin 3 and eventually adjust it Fix the nut 2 by the second lock nut 2 If the asymmetry of...

Page 163: ...crew of clutch hydraulic circuit is located on the clutch control cylinder 1 Add only the fresh brake fluid into the brake fluid reservoir that is common for both brake and clutch circuit The brake fl...

Page 164: ...o stop after assembly of engine with transmission A 188 FREE PLAY ADJUSTMENT OF FRONT WHEEL TAPERED ROLLER BEARINGS AT TRACTOR Z 3321 Z 4321 Z 5321 Z 6321 Z 7321 Fix tractor against movement lift up a...

Page 165: ...ICK UP HITCH RE LEASING PUSH PULL CABLE Pick up hitch is in its working position The push pull cable must be under tension that way to be the lever in cab without play If the push pull cable is not pr...

Page 166: ...165 NOTE PDF byl vytvo en zku ebn verz FinePrint pdfFactory http www fineprint cz...

Page 167: ...166 NOTE PDF byl vytvo en zku ebn verz FinePrint pdfFactory http www fineprint cz...

Page 168: ...169 Safety regulations for work with battery 170 Alternator 171 Alternator maintenance 171 Fuse box 172 Checking of front mask headlights adjustment 173 Adjustment of front mask headlights 173 Checki...

Page 169: ...r by means of another battery or auxiliary source don t forget to connect plus to plus and minus to minus and the auxiliary source must be set to 12 V Disconnect battery by battery switch or remove th...

Page 170: ...tractor is put out of action BATTERY MAINTENANCE Check the electrolyte level after each charging or minimally once per 6 month Add the electrolyte only by distilled water to be its level 5 mm above s...

Page 171: ...WITH BATTERY 1 Safe your eyes by glasses or safety shield The eye stained by electrolyte must be immediately washed by clear water for time of several minutes Look for a first aid 2 Electrolyte is a c...

Page 172: ...n of water or diesel fuel when washing and cleaning tractor Battery must never be disconnected at operation The alternator must never run without load i e with disconnected terminal B and connected te...

Page 173: ...5A 15A 15A 15A 15A 15A 15A 15A hazard lights brake lights acoustic horn 30relay of start safety switch control valves of MFWD diffe rential lock front PTO with in dicator light diff lock relay 3 dashb...

Page 174: ...d draw a link parallel with ground on the wall Recheck eventually adjust the light centers with switched high beams points A Light and dark margin at low beam on must be under the drawn link or maxi m...

Page 175: ...must be parallel with tractor axes Adjust the headlights at tractor shiping weight Front roof headlights can be used on the road only in case front implement is attached or machine covers mask headli...

Page 176: ...h 16 differential lock 17 differential lock valve 18 MFWD switch 19 MFWD valve 20 PTO switch 21 PTO valve 22 fuel level indicator light 23 fuel gauge 24 parking brake indicator light 25 failure indica...

Page 177: ...176 WIRING HARNESS DIAGRAM OF TRACTOR Z 3321 Z 7341 A 204 PDF byl vytvo en zku ebns verzs FinePrint pdfFactory http www fineprint cz...

Page 178: ...iper switch 7 working light right hand side traffic 8 right rear light 9 rear wiper switch 10 washer 11 working light left hand side traffic 12 license number plate illumination 13 left rear light 14...

Page 179: ...cted 3 front combined lights turn signal lights 12 V 21 W BA 15s position lights 12 V 10 W BA 15s 4 working headlight 12 V 55 W H 3 5 rear combined lights tail and brake lights 12 V 21 10 W BAY 15D tu...

Page 180: ...179 NOTE PDF byl vytvo en zku ebns verzs FinePrint pdfFactory http www fineprint cz...

Page 181: ...180 NOTE PDF byl vytvo en zku ebns verzs FinePrint pdfFactory http www fineprint cz...

Page 182: ...parameters of tractor Z 7321 211 Main technical parameters of tractor Z 7341 214 Force power consumption 217 Tractor equipped with synchronized transmission speed 30 kmph 220 Tractor equipped with sy...

Page 183: ...peed min 1 700 50 700 50 700 50 700 50 700 50 Engine power kW 33 1 44 47 51 58 Specific fuel consumption at rated speed g kW 1 h 1 251 245 245 245 242 Engine lubrication pressure type with splashing M...

Page 184: ...unit Z 3321 3341 Z 4321 4341 Z 5321 5341 Z 6321 6341 Z 7321 7341 Injector opening pressure MPa 18 6 0 8 Timing angle 25 1 Valve clearance measured at cold engine suction exhaust mm mm 0 25 0 05 0 25...

Page 185: ...with cover 2575 2585 2580 Height up to steering wheel top 1860 1860 1855 Ground clearance without hitches under front axle housing with hitches under draw bar clevis bottom at low est position 460 326...

Page 186: ...2600 2615 2625 Height up to steering wheel top 1870 1895 1910 1870 1860 1895 Ground clearance without hitches under front axle housing with hitches under draw bar clevis bottom at low est position 490...

Page 187: ...123 Contour turning diameter with one wheel braked 7000 500 7000 500 Tread turning diameter with one wheel braked 6600 500 6600 500 Weights kg standard Tolerance 5 Tractor shipping weight with cab 302...

Page 188: ...ntour turning diameter with one wheel braked 7000 500 Tread turning diameter with one wheel braked 6600 500 Weights kg standard Tolerance 5 Tractor shipping weight with cab 3035 3045 3070 3050 3075 30...

Page 189: ...loads kg infla tion pressure kPa Front axle with rigid knees wheel tread 1450 eventually 1425 mm at max speed 30 kmph 20 kmph 8 kmph 1120 325 1510 325 2240 406 1230 300 1660 300 2460 375 Rear axle at...

Page 190: ...n pressure kPa Front axle with rigid knees wheel tread 1450 eventually 1425 mm at max speed 30 kmph 20 kmph 8 kmph 1490 250 2010 250 2980 315 Rear axle at max speed 30 kmph 20 kmph 8 kmph 2710 170 325...

Page 191: ...p cab with cover 2590 2585 2595 2607 2605 2630 Height up to steering wheel top 1870 1865 1875 1910 1890 1910 Ground clearance without hitches under front axle housing with hitches under draw bar clevi...

Page 192: ...Tread turning diameter with one wheel braked 8400 500 Weights kg standard Tolerance 5 Tractor shipping weight with cab 3320 3350 3375 3360 3390 3400 front axle 1315 1315 1315 1330 1330 1330 rear axle...

Page 193: ...n pressure kPa Front driving axle wheel tread 1500 1594 mm at max speed 30 kmph 20 kmph 8 kmph 2000 240 2400 240 2800 300 2160 190 2500 180 3400 300 Rear axle at max speed 30 kmph 20 kmph 8 kmph 2710...

Page 194: ...up to steering wheel top 1850 1865 1885 1905 1895 1915 1935 Ground clearance without hitches under front axle housing with hitches under draw bar clevis bottom at lowest position 470 320 470 344 470 3...

Page 195: ...Tread turning diameter with one wheel braked 6700 500 6700 500 6700 500 Weights kg standard Tolerance 5 Tractor shipping weight with cab 3110 3135 3145 3135 3150 3165 3185 front axle 1080 1080 1080 10...

Page 196: ...th rigid knees wheel tread 1450 eventually 1425 mm at max speed 30 kmph 20 kmph 8 kmph 1230 300 1660 300 2460 375 1490 250 2010 250 2980 315 1500 225 2360 275 3000 285 Rear axle at max speed 30 kmph 2...

Page 197: ...o cab top cab with cover 2573 2609 2639 2612 2647 Height up to steering wheel top 1905 1923 1929 1925 1943 Ground clearance without hitches under front axle housing with hitches under draw bar clevis...

Page 198: ...braked 8700 500 Tread turning diameter with one wheel braked 8400 500 Weights kg standard Tolerance 5 Tractor shipping weight with cab 3485 3495 3490 3505 3550 front axle 1415 1415 1425 1425 1425 rear...

Page 199: ...g axle wheel tread 1594 mm at max speed 40 kmph 30 kmph 20 kmph 8 kmph 2000 210 2160 190 2500 180 3400 300 2000 170 2400 170 2880 170 3400 220 Rear axle at max speed 40 kmph 30 kmph 20 kmph 8 kmph 340...

Page 200: ...2 2625 2660 Height up to steering wheel top 1859 1895 1925 1915 1935 Ground clearance without hitches under front axle housing with hitches under draw bar clevis bottom at lowest position 490 344 490...

Page 201: ...wheel braked 7100 500 7100 500 Tread turning diameter with one wheel braked 6700 500 6700 500 Weights kg standard Tolerance 5 Tractor shipping weight with cab 3140 3150 3150 3165 3185 front axle 1085...

Page 202: ...nfla tion pressure kPa Front axle with rigid knees wheel tread 1425 mm at max speed 30 kmph 20 kmph 8 kmph 1490 250 2010 250 2980 315 1500 225 2360 275 3000 285 Rear axle at max speed 30 kmph 20 kmph...

Page 203: ...without spark arrestor 2880 2900 2920 2910 2930 Height up to cab top cab with cover 2573 2609 2639 2612 2647 Height up to steering wheel top 1905 1923 1929 1925 1943 Ground clearance without hitches u...

Page 204: ...204 Contour turning diameter with one wheel braked 8700 500 8700 500 Tread turning diameter with one wheel braked 8400 500 8400 500 Weights kg standard Tolerance 5 Tractor shipping weight with cab 348...

Page 205: ...g axle wheel tread 1594 mm at max speed 40 kmph 30 kmph 20 kmph 8 kmph 2000 210 2160 190 2500 180 3400 300 2000 170 2400 170 2880 170 3400 220 Rear axle at max speed 40 kmph 30 kmph 20 kmph 8 kmph 340...

Page 206: ...2625 2660 Height up to steering wheel top 1859 1895 1925 1915 1935 Ground clearance without hitches under front axle housing with hitches under draw bar clevis bottom at the lowest position 490 344 49...

Page 207: ...aked 7100 500 7100 500 Tread turning diameter with one wheel braked 6700 500 6700 500 Weights kg standard Tolerance 5 Tractor shipping weight with cab 3155 3165 3165 3180 3200 front axle 1085 1085 110...

Page 208: ...nfla tion pressure kPa Front axle with rigid knees wheel tread 1425 mm at max speed 30 kmph 20 kmph 8 kmph 1490 250 2010 250 2980 315 1500 225 2360 275 3000 285 Rear axle at max speed 30 kmph 20 kmph...

Page 209: ...k arrestor 2880 2900 2920 2910 2930 2950 2930 Height up to cab top cab with cover 2573 2609 2639 2612 2647 2680 2640 Height up to steering wheel top 1905 1923 1929 1925 1943 1950 1940 Ground clearance...

Page 210: ...ith one wheel braked 8700 500 8700 500 8700 500 Tread turning diameter with one wheel braked 8400 500 8400 500 8400 500 Weights kg standard Tolerance 5 Tractor shipping weight with cab 2500 3510 3505...

Page 211: ...kmph 8 kmph 2000 210 2160 170 2500 180 3400 300 2000 170 2400 170 2880 170 3400 220 2000 130 2570 130 2880 160 3400 160 2000 130 2570 170 2880 160 3400 160 Rear axle at max speed 40 kmph 30 kmph 20 km...

Page 212: ...2 2625 2660 Height up to steering wheel top 1859 1895 1925 1915 1935 Ground clearance without hitches under front axle housing with hitches under draw bar clevis bottom at lowest position 490 344 490...

Page 213: ...ed 7100 500 7100 500 Tread turning diameter with one wheel braked 6700 500 6700 500 Weights kg standard Tolerance 5 Tractor shipping weight with cab 3165 3175 3175 3190 3210 front axle 1095 1095 1110...

Page 214: ...nfla tion pressure kPa Front axle with rigid knees wheel tread 1425 mm at max speed 30 kmph 20 kmph 8 kmph 1490 250 2010 250 2980 315 1500 225 2360 275 3000 285 Rear axle at max speed 30 kmph 20 kmph...

Page 215: ...thout spark arrestor 2920 2910 2930 2940 2930 2950 Height up to cab top cab with cover 2639 2612 2647 2650 2640 2680 Height up to steering wheel top 1929 1925 1943 1945 1940 1960 Ground clearance with...

Page 216: ...rning diameter with one wheel braked 8700 500 8700 500 Tread turning diameter with one wheel braked 8400 500 8400 500 Weights kg standard Tolerance 5 Tractor shipping weight with cab 3515 3530 3560 35...

Page 217: ...read 1594 mm at max speed 40 kmph 30 kmph 20 kmph 8 kmph 2000 210 2400 170 2880 170 3400 210 2000 130 2570 130 2880 160 3400 160 Rear axle at max speed 40 kmph 30 kmph 20 kmph 8 kmph 2900 160 3230 160...

Page 218: ...9 28 19 9 28 36 28 36 Lifting force in lower draft link balls of three point hitch fixed within the whole range at max pressure without lift assisting cylinder kN with one lift assisting cylinder kN...

Page 219: ...6 28 36 Lifting force in lower draft link balls of three point hitch within the whole range at max pressure without lift assisting cylinder kN with one lift assisting cylinder kN with two lift assisti...

Page 220: ...28 36 28 36 Lifting force in lower draft link balls of three point hitch fixed within the whole range at max pressure without lift assisting cylinder kN with one lift assisting cylinder kN with two li...

Page 221: ...10 05 10 52 10 91 11 70 11 23 11 30 12 09 4 847 4 16 14 16 89 17 53 18 79 18 04 18 16 19 42 5 1344 4 25 61 26 80 27 82 29 81 28 62 28 81 30 82 1L 289 3 1 41 1 48 1 53 1 64 1 58 1 59 1 70 2L 405 6 1 98...

Page 222: ...9 76 10 12 10 85 10 41 3 527 5 13 64 14 58 12 69 13 16 14 11 13 54 4 847 4 21 91 23 43 20 39 21 15 22 67 21 75 5 1344 4 34 76 37 17 32 34 33 55 35 96 34 51 1L 289 3 1 91 2 05 1 78 1 85 1 98 1 90 2L 4...

Page 223: ...4L 847 4 4 13 4 32 4 49 4 81 4 62 4 65 4 97 5L 1344 4 6 55 6 86 7 12 7 63 7 32 7 37 7 88 1M 220 4 4 20 4 39 4 56 4 89 4 69 4 72 5 05 2M 309 0 5 89 6 16 6 39 6 85 6 58 6 62 7 08 3M 401 8 7 65 8 01 8 3...

Page 224: ...3 73 3 25 3 37 3 61 3 46 4L 847 4 5 60 5 99 5 21 5 41 5 80 5 57 5L 1344 4 8 89 9 51 8 27 8 58 9 20 8 83 1M 220 4 5 70 6 09 5 30 5 50 5 90 5 66 2M 309 0 7 99 8 54 7 43 7 71 8 26 7 93 3M 401 8 10 39 11...

Page 225: ...0 2L 405 6 1 98 2 07 2 15 2 30 2 21 2 22 2 38 3L 527 5 2 57 2 69 2 79 2 99 2 87 2 89 3 09 4L 847 4 4 13 4 32 4 49 4 81 4 62 4 65 4 97 5L 1344 4 6 55 6 86 7 12 7 63 7 32 7 37 7 88 1R 317 6 6 05 6 33 6...

Page 226: ...91 2 05 1 78 1 85 1 98 1 90 2L 405 6 2 68 2 87 2 50 2 59 2 78 2 66 3L 527 5 3 49 3 73 3 25 3 37 3 61 3 46 4L 847 4 5 60 5 99 5 21 5 41 5 80 5 57 5L 1344 4 8 89 9 51 8 27 8 58 9 20 8 83 1R 317 6 8 21...

Page 227: ...PTO shaft speed engine speed RPM 48 13 540 1994 596 2200 41 20 1000 2050 1073 2200 FRONT PTO Gear ratio PTO shaft speed engine speed RPM PTO shaft speed engine speed RPM 40 22 1000 1818 1210 2200 PDF...

Page 228: ...227 NOTE PDF byl vytvo en zku ebn verz FinePrint pdfFactory http www fineprint cz...

Page 229: ...228 NOTE PDF byl vytvo en zku ebn verz FinePrint pdfFactory http www fineprint cz...

Page 230: ...229 NOTE PDF byl vytvo en zku ebn verz FinePrint pdfFactory http www fineprint cz...

Page 231: ...230 NOTE PDF byl vytvo en zku ebn verz FinePrint pdfFactory http www fineprint cz...

Page 232: ...231 NOTE PDF byl vytvo en zku ebn verz FinePrint pdfFactory http www fineprint cz...

Page 233: ...232 Issue 2 2000 2000 Publication No 22 22 12 342 ZETOR a s BRNO Trnkova 111 632 00 BRNO Czech republic PDF byl vytvo en zku ebn verz FinePrint pdfFactory http www fineprint cz...

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