Zetor Major 80 Operator'S Manual Download Page 155

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155

INDEX

Upper draw bar

Used operation liquids and fillings - amount

111

User’s safety instructions

Valve for filling tires with liquid

Venting hydraulic circuit of hydrostatic steering

127

Vertical adjusment of lifting draw bars

Vertical adjustment and multistage suspension disas-
sembly

Wheel track change

Wheel track toe-in in tractors with front drive axle

Working with PTO shaft

Summary of Contents for Major 80

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Page 3: ... with this manual as thoroughly as possible You will find in it lot of new information and you will get a perfect overview how you can use the tractor best in vari ous works When observing the listed operation principles tractor maintenance and driving safety your new tractor will become a reliable companion for many years Tractor manufacturer would like to wish you thousands of hours of satisfact...

Page 4: ...4 Technical data construction data equipment material and design are valid at the time of print Changes reserved ...

Page 5: ...ich is handed over to you upon a new tractor purchase Page Major tractors 6 Production numbers placement tractor with a cab 7 User s safety instructions 9 Preventive daily maintenance 13 Getting acquaintance with a tractor 19 Driving operation 39 Tractor drive in 53 Transport usage 57 Drive of agriculture machines 61 Hydraulic equipment 67 Linkages 81 Wheel track change 87 Auxiliary ballast weight...

Page 6: ...6 MAJOR TRACTORS MAJOR TRACTORS Type of tractor Engine output kW EC 24 2000 25 EC Major 80 53 56 3 NM13N080 ...

Page 7: ...7 PRODUCTION NUMBERS PLACEMENT TRACTOR WITH A CAB NM13N081gb ...

Page 8: ...write it down to the boxes below Type of tractor Major 80 The labeling to the right to the left in the front at the back applies in the sense of tractor s drive Manufacturer reserves the right to make changes in construction and equipment serving to technical progress Production number of tractor Production number of engine NM13N082 ...

Page 9: ...flying long hair 4 Use suitable prescribed personal pro tective means shoes gloves etc when performing all the works STARTING THE ENGINE 5 Starting the engine by going down the slope is not allowed 6 To start the tractor to start the engine by means of another tractor or a different vehicle is allowed only by using a draw bar 7 Start only from driver s work place with gear shifting lever in neutra...

Page 10: ...r vehicles haulers trailers etc by a tractor never use freely inserted balk or rods between the tractor and the pushed object LEAVING THE TRACTOR 28 Do not park the tractor with mounted tools in a lifted position 29 Before leaving the tractor do not for get to brake with a manual brake en gage a gear remove the key from a switchbox and lock the cab 30 In a tractor equipped with reversing shift rev...

Page 11: ...at ing cream 45 When connecting and disconnecting quick couplers of hydraulic circuits re move the remaining oil in the socket or quick couplers plug with any textile mate rial WASTE DISPOSAL When disposing of the tractor or its parts including operation liquids after they are dues everyone is obliged to observe applicable provisions of valid laws and implementation regulations to the laws of the ...

Page 12: ...th accumulator battery it is necessary to take greater care and avoid short circuits In tractors equipped with battery disconnector turn this means of manipulation with battery off 53 Tractors may not be operated with a disconnected accumulator battery there can be serious damage to the tractor WORKING IN CHEMICALLY AGGRESSIVE ENVIRONMENT 54 If the tractor works in chemically ag gressive environme...

Page 13: ...13 PREVENTIVE DAILY MAINTENANCE Do daily or at the latest after every 8 10 hours of operation for more information see chapter Tractor maintenance NM13N083 ...

Page 14: ... engine and the tightness of joints of greasing system of the engine Keep the oil level between the levels of gauge COOLING SYSTEM Check the tightness of joints of the cool ing system and the amount of coolant in equalizing tank Equalizing tank is ac cessible after opening the front bonnet of the tractor Refill the missing amount to upper level marked with MAX Minimum admissible height of coolant ...

Page 15: ... the tank of hy drostatic steering with a control gauge Hydrostatic steering tank is accessible after opening the front bonnet of the trac tor If necessary refill the oil to the level of control gauge which sets its proper amount Check the condition of all the hoses of hydraulic steering circuit if they are not damaged and if oil is not permeating Check the tightness of screws and nuts of drag rod...

Page 16: ...wheels connection rim disc and disc wheel shaft Never drive with untightened screws AIR CLEANER Cleaner maintenance must be done after signalization of indicator contamination Indicator is accessible after opening front tractor bonnet It is placed close to the bend of sucking pipeline Contamination is mechanically signalized by a red field which is shown after filter insertion clogging directly on...

Page 17: ...ng 1 hinge the bonnet away 2 release and protrude air condition condensator to the left side of the tractor 3 clean front walls of engine radiator air condition condensator by pres surized air pump air in the direction of the engine 4 remove remaining dirt from the area under the bonnet to prevent its re peated sucking in SHORT FUNCTION TEST After starting the engine check that the control for sig...

Page 18: ...18 NOTES ...

Page 19: ...ches on cab s roof 24 Switches and controls on the dashboard 25 Direction indicator switch 25 Headlights switch 25 front windshield wiper and washer 26 Switch box key in the position 0 27 Switch box key in the position i 27 Switch box key in the position ii 27 cab heating 28 Cab heating registers 28 cab air condition 28 Dashboard 31 Manual fuel control lever 32 Engine run stop control 32 Hydraulic...

Page 20: ...AINTED WITH THE TRACTOR Page Front drive axle control lever 35 PTO shaft drive engagement lever 36 PTO shaft revolutions 540 and 1000 rpm shifting lever 36 Battery disconnector 36 Fuel tank 37 FUEL TANK drain plug 37 ...

Page 21: ... are equipped only with a button from the outside After unlocking and pressing the button of the lock the door opens by pulling the handle OPENING DOORS FROM THE INSIDE By pressing the button 1 doors of the cab can be opened from the inside Lever 2 on right door serves for locking the lock of right door The door lock is locked by shifting the lever 2 in the direction of an arrow Unlocking is done ...

Page 22: ... on an uneven surface we recommend to lock the window in a locked position there is a danger of window cracking When starting work with ma chines mounted in rear three point linkage of the tractor make sure that there is no risk of colli sion between mounted tools with maximum heave of rear three point linkage and open rear win dow If there is collision we rec ommend working with a closed window B...

Page 23: ... an arrow Close the side window in opposite way HINGED LID It is opened by turning the locking lever of the lid 1 in the direction of an arrow and by pushing the locking lever in the upward direction Close the hinged lid in a reverse proce dure By opening the hinged lid the overall height of tractor in creases Therefore close the lid always when you pass through or park at places with limited ligh...

Page 24: ... the pictogram on gaiter of the seat 4 Vertical seat adjustment control set ting by turning the control direction based on pictogram on seat s graiter TILTING STEERING WHEEL Release the lever 1 by turning in the di rection of an arrow set the tilting of the steering wheel and lever 1 to be tight ened by turning against the direction of an arrow After pressing the button 2 the lever 1 can be reloca...

Page 25: ...nd washer switch 9 Engine stopping control DIRECTION INDICATOR SWITCH Direction lights are turned off by the movement of a switch 1 to position a or b a direction lights to the right b direction lights to the left HEADLIGHTS SWITCH The main lights are switched by a switch 2 after switching on the main lights in the grill of the bonnets by a switch 4 a side lights b dipped lights c headlights After...

Page 26: ...TOR NM13N036 FRONT WINDSHIELD WIPER AND WASHER Front windscreen wiper and washer are switched on by a switch 8 a disengaged b front wiper on Front windshield washer is engaged by pulling the lever 8 in the direction of the steering wheel ...

Page 27: ...oved SWITCH BOX KEY IN THE POSITION I The voltage is connected to all the equipment excluding starter The key is in this position with the engine running SWITCH BOX KEY IN THE POSITION II Starter and supply of all equipment is connected in this position apart from wipers washer cab ventilator and air condition After starting the key auto matically returns back to I position ...

Page 28: ...ters are placed in the upper A and face part of the dashboard panel The upper register A is opened by turn ing a wheel 1 in the direction of an ar row It closes when turning against the direction of an arrow The lower registers B are opened by shifting the levers 2 in the direction of arrows By shifting the levers against the direction of arrows registers close CAB AIR CONDITION Cab air condition ...

Page 29: ...29 NOTES ...

Page 30: ...30 GETTING ACQUAINTED WITH THE TRACTOR C151c ...

Page 31: ...nder 120 to 60 kPa If the engine is at standstill it must light up 9 Direction lights control of tractor green 10 Direction lights control of 1st trailer green 11 Direction lights control of 2 nd trailer green 12 Low air pressure control signalization Lights up with air pressure drop in the system of air brakes for trailer under a critical level i e under 450 kPa 13 Failure signalization control i...

Page 32: ...L By pulling the control out there is an immediate engine operation stop and by turning it slightly in a pulled out position the position is locked After stopping the engine run return the control back If a control remains pulled out engine may not be started HYDRAULIC CONTROL Hydraulic control panel with levers A is placed in the area of right fender Hydraulic controls B are placed in front of dr...

Page 33: ... fuel supply control pedal DIFFERENTIAL LOCK Differential lock is controlled by a pedal placed on the right side of driver s seat Engaging differential lock is done by de pressing a pedal for the time of pedal depression the lock is engaged after re leasing the lock pedal the pedal returns to its original positional and the differen tial lock is disengaged When going through a bend do not use diff...

Page 34: ...ifting is done with a tractor at standstill and clutch pedal depressed GEAR SHIFTING LEVER Gear shifting lever serves for change of gear box gear Gear shifting is done with clutch pedal depressed ROAD AND REDUCED SPEEDS SHIFTING LEVER Road and reduced speeds shifting lever serves for shifting gear groups H Road speeds M Average speeds N Neutral L Reduced speeds Gear shifting is done with the tract...

Page 35: ...VE AXLE CONTROL LEVER Front drive axle engagement is done by a lever 1 located on the left side of driver s seat a Front drive axle disengaged b Front drive axle engaged Engage front drive axle with standing tractor Use front drive axle with rear wheels slip to enhance the pull of tractor When driving with front drive axle engaged on the road and hard surface the maximum permitted speed is 15 km h...

Page 36: ...VOLUTIONS 540 AND 1000 RPM SHIFTING LEVER Shifting 540 or 1 000 revolutions of rear PTO shaft is done with the lever 1 placed from the outside of the tractor above the rear PTO shaft a 1 000 rpm b 540 rpm Gear shifting is done with the lever of PTO shaft drive engagement in n posi tion PTO shaft revolutions and the type of endpoint need to be selected dependent on the prescribed revo lutions of th...

Page 37: ...E TRACTOR NM13N089 FUEL TANK Fuel tank is located on the left side of the tractor A plastic tank with a volume of 80 litres is mounted as a standard Do not step on the tank FUEL TANK DRAIN PLUG Fuel tank drain plug is in its bottom ...

Page 38: ...38 NOTES ...

Page 39: ...olant heater 43 Starting the engine while using coolant heater 43 Drive away 44 Selection of road or reduced speeds 45 Gear shifting 45 Selecting driving direction Reversing lever 45 Gear shifting from lower to higher gears 46 Gear shifting from higher to lower gears 46 Travelling up the slope 47 Travelling down the slope 47 Differential lock 48 Front drive axle control 48 Driving with front drive...

Page 40: ... reversing lever to neutral posi tion start breaker is switched 4 Pull manual clutch lever start breaker is switched 5 Set the manual fuel control lever to idle run position 6 Switch the key of switch box from position 0 to position I Thermostart ignition control lights up Wait for the time when ignition control goes out the time is dependent on the tem perature of coolant If ignition control star...

Page 41: ... second ignition in emergency mode occurs as with low temperatures regardless of the tem perature of coolant If ignition control is blinking twice in a second with engine at standstill igni tion is not working If ignition control is blinking perma nently with engine running there is a failure of ignition regulator and ignition has not been completed Failure must be removed forthwith since there is...

Page 42: ...ons ensuring proper engine opera tion controls must go out in this time The time of engine operation without load must be observed in particular in winter period ENGINE HEATING Do further heating of the engine when driving Heating engine by lengthy idle run or abrupt revolutions increase is harmful to the engine If the temperature of coolant has not reached 45 C do not overcome engine revolutions ...

Page 43: ...twork of the voltage of 220 V With regard for the lower engine wear with low temperature the use of heater is recommended by manufacturer The duration of heating is dependent on the sur rounding temperature 1 2 hours before the expected start After completing the heating disconnect the device first from electrical net work and only then disconnect the plug from the heater Danger of injury due to e...

Page 44: ...revolutions slightly 8 Prepare manual brake for unbraking 9 Release the clutch pedal only to the point of travel engagement and with simul taneous increase of engine revolutions continue in smooth release of clutch pedal 10 Unbrake manual brake completely 11 Drive away smoothly and slowly A very fast drive away may cause overload of driving set increased fuel consumption excessive tires wear and l...

Page 45: ...AR SHIFTING Gear shifting lever serves for changes of gear box gears Gear shifting is done with a depressed clutch pedal Only gears are shifted by main gear shifting lever the direction of travel is shifted by reversing lever SELECTING DRIVING DIRECTION REVERSING LEVER Reversing lever 1 serves for the change of tractor s travel direction F drive forward lever in the front N neutral R reversing lev...

Page 46: ... smoothly and at same time increase engine revolutions Note For increasing the life cycle of syn chrones it is possible to shift from higher to lower gear with the so called double declutching GEAR SHIFTING FROM HIGHER TO LOWER GEARS Depress the clutch pedal and shift the gear shifting lever through neutral to lower gear Note For increasing the life cycle of syn chrones it is possible to shift fro...

Page 47: ...nd do not allow ride leading to stopping the engine for overload TRAVELLING DOWN THE SLOPE Travelling down the slope without en engaged gear is forbidden If you are going down a longer slope engage the lower gear the steeper the slope Engage the lower gear before the slope if possible Note The gear with which you will relia bly overcome ascension it is the one with which you will safely go down ...

Page 48: ...andstill FRONT DRIVE AXLE CONTROL Engaging front drive axle is done by a lever 1 placed on the left side of driver s seat a Front drive axle disengaged b Front drive axle engaged Engaging front drive axle to be done with tractor at standstill DRIVING WITH FRONT DRIVE AXLE ENGAGED Use front drive axle with slip of rear wheels to increase pull of tractor On the road and on hard surface causes drivin...

Page 49: ...n such a way that the braking effect of both vehicles is synchronized When travelling with a connected trailer or semi trailer foot brake pedals must be connected and secured with a flap When braking with a single brake pedal air brakes of a trailer are not in operation Note When travelling down a steep slope with a trailer or semi trailer equipped with air brakes it is necessary to brake with a f...

Page 50: ...th flaps after disconnection or without a connected trailer semi trailer Operation pressure is set by control valve to 600 20 kPa When connecting the trailer semi trailer with maximum permitted weight approved for the type of tractor at stake is the maximum set speed of 30 km h Maximum permitted speed of set is given by maximum permitted speed of the slower vehicle of the set ...

Page 51: ...m and al low it to run without load for a time pe riod of about 5 minutes 2 Shift manual fuel control lever to idle run position 3 Hitch up a stopping g device and hold it in hitched up position until there is engine stop push the control back in 4 After stopping the engine the key can be shifted from position I to position 0 LEAVING THE TRACTOR Before leaving the tractor with a safety cab do not ...

Page 52: ...licable symbol Note When starting the engine or with low engine revolutions the control may be blinking if after starting or revolutions increase engine control goes out it is not a failure The system is alright IMPORTANT NOTIFICATION If greasing charging or hydrostatic steer ing failure controls light up stop the engine immediately and contact service You will prevent a serious failure or trac to...

Page 53: ...s of gear shifting lever with engine at standstill Before you drive off in normal operation you must make sure that technical condition corre sponds with the conditions of safe operation Page General principles of new tractor run in in first 100 hours of operation 54 In first 10 hours of operation 54 From 100 hours of operation 55 ...

Page 54: ... levels in engine often during this time increased oil consumption is nor mal Check screw joints in particular in supporting parts of tractor Learned insufficiencies to be removed immediately you will thus prevent subse quent damage or endangered operation Keep the same procedure also after tractor complete overhaul IN FIRST 10 HOURS OF OPERATION Perform run in in traffic tighten fastening nuts of...

Page 55: ...an work with tractor without limitations Engine operation mode with Major trac tors Recommended operation revolu tions 1400 2300 rpm Idle run revolutions 800 25 rpm Operation oil pres sure 0 2 0 5 MPa Oil pressure with idle run revolutions min 0 05 MPa Max coolant tem perature 106 C ...

Page 56: ...56 NOTES ...

Page 57: ... leave tractor when running to connect the trail er alone Mind also the safety of your as sistant Page Front hook 58 Multistage adjustable suspension 58 Vertical adjustment and multistage suspension disassembly 58 Modular suspension system for trailers and semitrailers 59 Swing drawbar bracket module 59 Swing drawbar 59 Aggregation with trailer and semitrailer 59 Maximum permitted vertical static ...

Page 58: ...ves for connecting double axle or lighter single axle trailers Guidance nozzle is vertically adjustable When working with various agricultural ma chines it is necessary to adjust the sus pension vertically or demount where necessary VERTICAL ADJUSTMENT AND MULTISTAGE SUSPENSION DISASSEMBLY After pushing the catch 1 control lever 2 is unlocked by subsequent shift of the lever 2 in the direction of ...

Page 59: ...ng drawbar bracket module is placed in the bracket of multistage suspension SWING DRAWBAR Disassembly 1 Unlock and demount pins 1 2 Protrude swing drawbar in the direc tion of an arrow Proceed reversely with assembly AGGREGATION WITH TRAILER AND SEMITRAILER Tractor must be aggregated only with a tractor trailer for balancing tractor opera tion brakes or hydraulic brakes of trailer Static load of t...

Page 60: ...in Suspension type Permitted vertical static load Ø of sus pension pin 2 000 kg 31 mm 736 kg 31 mm Maximum weight of aggregated braked trailer or semitrailer must not exceed the value given on tractor s production plate and the data given in vehicle identification card Maximum speed of the set is given by the maximum permitted speed of the slower vehicle of the set ...

Page 61: ...revolutions can lead to severe damage and injuries Page Working with PTO shaft 62 PTO shaft covers 62 Manual disengagement of PTO shaft clutch lever 63 PTO shaft drive engagement lever 63 PTO shaft revolutions 540 and 1000 rpm shifting lever 63 Rear PTO shaft independent revolutions 64 Rear PTO shaft dependent revolutions 64 Maximum transmitted output 65 drive of machines with greater inertia mass...

Page 62: ...o front PTO shaft of tractor to be done always only with engine at standstill and disengaged PTO shaft 5 Any repairs or cleaning of parts of aggregated machines driven by PTO shaft to be done only with engine at standstill disengaged PTO shaft clutch and dependent and independent PTO shaft revolutions lever in N neutral position 6 After ending the works with rear PTO shaft it is necessary to shift...

Page 63: ...y of PTO shaft occurs PTO SHAFT DRIVE ENGAGEMENT LEVER Rear PTO shaft is engaged with a lever 1 shaft drive placed on the left side of driver s seat a dependent revolutions of PTO with PTO shaft drive via gearbox revolutions are dependent on the engaged gear n Neutral position b independent revolutions of PTO shaft drive revolutions are de pendent on engine revolutions Gear shifting is done with e...

Page 64: ...SHAFT DEPENDENT REVOLUTIONS With dependent revolutions of rear PTO shaft the number and the direction of PTO shaft revolutions is dependent on the shifted gear of reversing lever engaged speed gear and the group of gears engaged by reduction lever PTO shaft drive engagement lever must be shifted in a posi tion Depressing the clutch pedal serves for short term interruption of torque transmission fr...

Page 65: ...engine output 540 rpm Full engine output DRIVE OF MACHINES WITH GREATER INERTIA MASSES CRUSHERS ROTARY HARROWS REAPERS ETC Cardan shaft fro drive of these machines must be equipped with the so called free wheel which ensures the discon nection of torque transmission with ret roactive effect from the machine to trac tor ...

Page 66: ...66 NOTES ...

Page 67: ...stem control 71 Position regulation of rear three point linkage heave 72 Power regulation of three point linkage heave 73 Mixed regulation of three point linkage heave 74 External hydraulic circuit 75 Extrernal hydraulic circuit control elements 75 Two section switchboard external hydraulic circuit controlling levers function 76 One section switchboard external hydraulic circuit controlling levers...

Page 68: ... source of pressure oil is gear pump Oil is taken from common filling of gear box and final drive housing Hydraulic pump is unswitchable Pump is in operation with engine running Sup plied amount 50 l min The pressure derived in hydraulic set by hydraulic pump is limited by a locking valve to 18 MPa ...

Page 69: ...oint linkage control Position regulation fig 1 where some tools connected in three point linkage are kept automatically at constant height position to tractor Mixed regulation fig 2 which is the combination of position and power regulation It is suitable mostly for tillage on lots with different soil resistance Power regulation fig 3 with which tools connected in three point linkage are auto matic...

Page 70: ...ng of three point link age with position regulation or mixed regulation 3 Speed of three point linkage lower ing control 4 Hydraulic sensitivity system control FREE FLOATING POSITION Free floating position enables work with a tool which has supporting wheel The arms of rear three point linkage are free in this position Shift lever 2 to front position a Position of lever 1 is not decisive ...

Page 71: ... in b direction the speed of three point linkage arms lower ing decreases in a direction it in creases If we turn speed of lowering control b to stop the arms of three point linkage cannot be lowered HYDRAULIC SENSITIVITY SYSTEM CONTROL Hydraulic sensitivity system control 4 serves for setting hydraulic system sen sitivity with power or mixed regulation When turning the control in the direction a ...

Page 72: ... transporting tools connected in rear three point linkage always use position regulation After lifting tools to transport position close oil flow through hydraulics to stop by turning the control of speed of three point linkage lowering 3 in the direction of an arrow If tools hinged in three point linkage cannot be lowered in transport position check the position of the speed of lowering control 3...

Page 73: ...of an arrow set the depth of oil cultivation in g position the depth of soil cultivation is smallest As soon as you determine the depth of soil cultivation the lever 1 must be kept in constant position 1 and at the end of the row to always heave tool connected in rear three point linkage by only shifting the lever 2 to e position By shifting lever 2 to f position you will return tool back to worki...

Page 74: ...w in soil cul tivation with smaller soil resistance The depth setting of soil cultivation is done with a lever 1 as is the case with Power regulation of three point linkage heave Shift lever 2 then in the direction of an arrow to the moment when three point linkage arms start lifting lightly Mixed regulation is set by this Tools connected in rear three point linkage can be lifted only by shifting ...

Page 75: ...TROL ELEMENTS External hydraulic circuit control levers are placed on the right fender Depending on tractor equipment the following switchboards can be mounted to ex ternal hydraulic circuit A Two section switchboard B One section switchboard a lever a controlling quick couplers 1 and 2 b lever b controlling quick couplers 3 and 4 Quick coupler 0 is directly connected with the area of final house ...

Page 76: ...ing position Both quick couplers 1 a 2 are connected with waste and oil can freely flow in them in both directions Lever a is locked in this position Lever b function N Neutral position Outlets to quick couplers 3 and 4 are locked and the oil in the connected hydraulic device is blocked Lever b is locked in this position 3 Pressure in quick coupler 3 Quick coupler 4 is connected with waste After r...

Page 77: ...ck coupler 2 is connected with waste After release lever returns to position N 2 Pressure in quick coupler 2 Quick coupler 1 is connected with waste After release lever returns to position N P Floating position Both quick couplers 1 a 2 are connected with waste and oil can freely flow in them in both directions Lever a is locked in this position Quick coupler 0 is directly connected with the area ...

Page 78: ...NT With quick couplers engagement and disengagement take greater care with regard for residual oil remaining in socket or on a plug of a quick coupler This residual oil must be removed from ecological reasons after each quick couplers disconnec tion with any textile material ...

Page 79: ... are equipped with a reverse valve Connecting rotation hydro engine If there is a rotation hydro engine connected to external hydraulic outlet it is necessary to connect its reverse branch always to a quick coupler 0 Connecting reversing rotation hydro engine Reversing rotation hydro engine must be for function connected to quick couplers of one section When connecting hydro en gines securing valv...

Page 80: ...80 NOTES ...

Page 81: ...rtical adjusment of lifting draw bars 83 fixed and free position of lower hydraulic draw bars 83 Limiting draw bars 83 Upper draw bar 84 Upper draw bar 84 Selection of holes in bracket 84 Lower draw bar with slipping out end pieces 85 Lower draw bar with CBM hooks 85 Securing lower draw bars with CBM hooks 85 ...

Page 82: ...balls holes of lower draw bars pursu ant to ISO 28 mm of upper draw bar hole 25 mm 1 Upper draw bar 2 Lift rod left 3 Lift rod right 4 Limiting draw bars 5 Lower draw bars NM13N102 SAFETY PRINCIPLES WHEN WOR KING WITH A THREE POINT LINKAGE Persons who are not charged with work with auxiliary device of a tractor must not stand between a tractor and connected machin ery tools A Do not park tractor w...

Page 83: ...e mounted horizontally Free position of lower draw bars of hy draulics fig B The head of the pin 1 and a pad 2 are mounted vertically Free position enables free connection of a tractor and agriculture tools Both ends of draw bars can in this case move freely vertically one against another LIMITING DRAW BARS Limiting draw bars 1 limit or completely exclude side swing of lower draw bars The adjustme...

Page 84: ...pper draw bar to holes c so that overload of kinematic system of lifting hy draulics or the fall of the con nected machine UPPER DRAW BAR When prolonging an upper draw bar it is necessary to mind both joints to be unscrewed from the tube of the draw bar to the same length SELECTION OF HOLES IN BRACKET The connection of upper draw bar to some of the holes a b or c of brack et influences the sensiti...

Page 85: ... BAR WITH CBM HOOKS Both lower 3 and upper 4 draw bars of linkage are equipped with CBM hooks The tools must be first equipped with hanging CBM balls 1 and with limiting draw bars set the distance between low er draw bars of linkage 3 When reversing and subsequently lifting a three point linkage its lower draw bars 3 are connected to tools and then up per draw bar 4 of three point linkage is conne...

Page 86: ...86 NOTES ...

Page 87: ...k with front drive axle 88 Setting wheel stops with front drive axle 89 Setting wheel stops with front drive axle check 89 Front wheels toe in 90 Wheel track toe in in tractors with front drive axle 91 Front drive axle fenders 91 Rear wheel track change 92 ...

Page 88: ...rews Change wheel track by setting the rim to a requested position Mount the screws back with pads and lock with nuts Tighten nuts with a torque of 200 220 Nm The nut of front wheels to be tightened with a torque of 270 300 Nm After every release of a foot joint tighten the screws to a prescribed value After travelling a distance of 100 m with an unloaded tractor retighten the joints to a prescrib...

Page 89: ...een a tire and the nearest solid point on the tractor is at least 50 mm Check both front tires Turn the steering to full lock to the other side and check according to point 1 Heave one side of the front axle to the maximum swing front axle leans against the bracket and check according to point 1 and 2 Hoist the other side of front axle to the maximum swing front axle leans against the bracket and ...

Page 90: ...r With non driven axle 2 to 6 mm With driven axle 0 to 4 mm S toe in is given by the difference of measured values S b a Before checking toe in it is necessary to check or adjust the clearance in front wheels bearings and inflate front tires to prescribed pressure The measurement of toe in is done on wheel rims ...

Page 91: ...nce between marked places Release locking nuts of ball joint heads 2 of connecting rods of devices in hydraulic cylinder Adjust toe in by turning the pin of ball joint 3 Do the adjusting symmetrically with both joints to keep the same lock of wheels to both sides do the measurement on the sides of rims Locking nuts of heads of ball joints 2 tighten with a torque of 122 136 N Upper surfaces of head...

Page 92: ...ews connecting the disc with a rim by a torque of 270 300 Nm and nuts of screws connecting a disc with wheel shaft with a torque of 230 245 Nm Tighten the screws to a prescribed value after every release of foot joint After travelling a distance of 100 m with an unloaded tractor retighten the joints again to a prescribed torque After loading the tractor tighten the joints after 3 Mh Retest the tig...

Page 93: ...ability or ensuring stability when working with front loader follow producer s guidelines Page Ballast weights in front of bonnet grill 94 Valve for filling tires with liquid 95 Making front wheels stable 95 Filling tires with liquid procedure 96 Draining liquid from tires procedure 96 Anti freezing solution for filling tires 97 ...

Page 94: ...94 AUXILIARY BALLAST WEIGHTS NM13N072 BALLAST WEIGHTS IN FRONT OF BONNET GRILL Ballast weights in front of bonnet grill Combina tion of weights pc s Weights weight kg 4 1 4x50 66 266 ...

Page 95: ... which enables to fill air locks with liquid when using an adapter Tubeless tires are not filled with liquid Filling air locks of front tires and double mounting of rear wheels by liquid is not permitted MAKING FRONT WHEELS STABLE Do not forget to lock a tractor against motion by making front wheels stable before lifting the rear wheels ...

Page 96: ...9 fill the second tire in the same way DRAINING LIQUID FROM TIRES PROCEDURE 1 by heaving the tractor relieve tire and turn the wheel valve up A 2 let out air and unscrew the valve insertion turn the wheel valve down When draining the liquid there can be decompression in the tire Therefore turn the wheel a bit from time to time to get the valve into upper position B 3 remove remaining liquid after ...

Page 97: ...hloride CaCl2 is added to water not the other way round 2 The solution is not hazardous but it needs to be handled with care Wash spilled drops with clean water 3 Allow the solution to cool off before filling Keep the prescribe amount of calcium hydroxide 4 The solution must not come in touch with metallic parts and electric installation The solution is nor harmful to the valve of air lock 5 Anti ...

Page 98: ...98 NOTES ...

Page 99: ...n pay greater care especially when manipulating with accumula tor batteries to avoid contact of skin or clothing with electrolyte Page Basic service information 100 Accumulator battery 100 battery disconnector 101 accumulator battery maintenance 102 Alternator 103 Alternator maintenance 103 Fuse box 104 Lights adjustment in tractor s grill check 105 Lights adjustment in tractor s grill 105 Lights ...

Page 100: ...m the earth electrode of the tractor by battery disconnector Any inciden tal short circuits on clamps are excluded With any manipulation or starter repair it is necessary to disconnect the mi nus pole of the battery and to shift all the levers including PTO shaft shifting lever to neutral position so as to prevent spontaneous start and endangering the life of a repairman It is forbidden to start b...

Page 101: ...ght side of the tractor in front of the cab a Battery connected b Battery disconnected If the tractor is put aside for a longer period of time it is neces sary to recharge the accumulator at least once in three months be cause of the battery self dis charge When putting tractor aside we recommend you to dis connect the accumulator by means of battery disconnector ...

Page 102: ... shield 3 Electrolyte is an alkali handle it therefore with due care Rinse the skin stained with electrolyte and neutralize with soap and water just like the stained clothing Keep away from children 4 When recharging from electrolyte hydrogen is released on electrodes which makes an explosive mixture when mixed with air It is therefore forbidden to manipulate with open fire near accumulator 5 An e...

Page 103: ... water or oil You must not disconnect alternator from accumulator during operation Alternator must not ever be put in operation with a disconnected conductor from of clamp B and connected clamp D Such condition when increas ing the revolutions may cause an exceptionally high alternator voltage which would damage semiconductors Never short circuit any clamp of alternator in operation Alternator mus...

Page 104: ... search for the nearest service Placement of fuses in fuse box Pos Size of fuses Protected system 1 15A Direction lights 2 15A Brake lights 3 20A Ignition relay dashboard feeding start blocking recirculation 4 15A Headlights with control 5 15A Left side lights 6 15A Right side lights 7 10A Right dimmed headlight 8 10A Left dimmed headlight 9 15A Radio washer beacon cab lighting 10 15A Working head...

Page 105: ...udinal axis of tractor s symmetry I Distance of test wall from a headlight 5 m h Height of the centre of headlight above the road Δh Headlight slope 3 5 of the distance of test wall 17 5 cm α Lifting the line of asymmetric light 15 LIGHTS ADJUSTMENT IN TRACTOR S GRILL Adjustment is done simultaneously with all screws for both vertical and horizontal direction of a beam In adjusted state all the sp...

Page 106: ...ust be further from the front line of the tractor than 30 m In horizontal direction headlight beams must be parallel with longitudinal axis of trac tor symmetry Perform the lights adjustment check with service weight of the tractor Front roof headlights can be used for operation on roads only in such cases when a front mounted tool is hanged on the tractor or a device covering main headlights in t...

Page 107: ...9 Replacing fillings and filters 110 Used operation liquids and fillings amount 111 Oils for four roller forced induction Zetor engines 112 Oils of tractors transmission gears 112 Oils to front drive axle 113 Oils to hydrostatic steering for tractors 113 Plastic lubricant for tractor 114 Fluid to tractor cooling system 115 Fuel 115 Tractor greasing plan 116 Front drive axle 116 Three point linkage...

Page 108: ...k After starting the engine Engine greasing function check control Charging function check control Steering function check control Steering circuit function and tightness check Efficiency and function of tractor brakes check Efficiency and function of trailer or semi trailer brakes check STEPS TAKEN AFTER EVERY 100 HOURS OF OPERATION Greasing the tractor based on a greasing plan Cleaning radiator ...

Page 109: ...se Air pressure system tightness and function check Driver s seat function check greasing moving parts with grease STEPS TAKEN BEYOND 500 MTH INTERVAL with a new tractor or a tractor after gen eral repair Meter of Mth state 100 500 1000 1500 2 000 2 500 subsequently after hours of operation Inspection and adjustment of valve clearance o o 2000 Opening pressure of injectors and the function of inje...

Page 110: ... filter element replacement o o 1000 Air filter safety element replacement o 2000 Heating filter element replacement every 1000 Mth or every 2 years Coolant replacement every 2 years Oil in gear box and final house driving replacement o 1500 Sucking filter replacement hydraulic pump sucking filter replace ment o o o o o 500 Replacing oil in the front drive axle box o o o 1000 Replacing oil in redu...

Page 111: ...ILLINGS AMOUNT Name of location Amount in litres Coolant Coolant with a cab 14 4 Oil in engine 10 Oil to hydrostatic steering 2 6 Oil to front drive axle box 5 5 Oil to planet reducers of front drive axle 2x0 6 Oil to gear box and final drive housing 35 Fuel 80 ...

Page 112: ...I CI 4 ARAL Mega Turboral 10W 40 API CH 4 Fuchs Titan Truck 15W 40 API CG 4 MOGUL DIESEL DTT PLUS 10W 40 API CF MOGUL DIESEL DT 15W 40 API CG 4 SL MOGUL DIESEL DTT EXTRA 15W 40 API CI 4 SL TRYSK SUPER M7 ADS III 15W 40 API CF 4 TRYSK SUPER TURBO M7 ADS IV 15W 40 API CG 4 SL OILS OF TRACTORS TRANSMISSION GEARS Manufacturer Oil labelling Viscosity class SAE Performance class API Paramo Traktol STOU ...

Page 113: ...L 5 ÖMV Gear Oil LS 85W 90 GL 5 Shell Spirax AX 80W 90 GL 5 MOL Hykomol K 80W 90 80W 90 GL 5 ORLEN OIL Platinum Gear 80W 90 80W 90 GL 5 OILS TO HYDROSTATIC STEERING FOR TRACTORS Manufacturer Oil labelling Classification Aral Vitam DE 32 HLP DIN 51524 Fuchs RENOLIND10VG32 HLP DIN 51524 2 ÖMV Hyd HLP 32 HLP DIN 51524 Shell TELLUS DO 32 HLP DIN 51524 PARAMO MOGUL H LPD 32 HLP DIN 51524 MOGUL HM 32 HL...

Page 114: ...C LUBRICANT FOR TRACTOR Type Classification MOGUL LA 2 ISO 6743 9 CCEB 2 3 ISO L XBCEA 2 MOGUL LV 2M ISO 6743 9 CCEB 2 3 ÖMV signum DIN 51825 K 2 C 30 Shell retinax HD2 DIN 51825 KP 2 K 20 MOL Liton LT 2EP ORLEN OIL Liten Premium ŁT 4 EP2 ...

Page 115: ... two years of operation replace coolant FRIDEX STABIL and FRIDIOL 91 can be mutually mixed 3 Mixability of fluids from other manufacturers is not tested FUEL Summer diesel for the period from April 1 to October 31 Winter diesel for the period of November 1 to March 31 Note Applicable types of fuel must be used abroad Mixed Fuel Natural Diesel bio diesel Note Tractor operation on bioFuel requires e...

Page 116: ...116 MAINTENANCE OF THE TRACTOR TRACTOR GREASING PLAN FRONT DRIVE AXLE Position number Name Number of greasing points 1 Pivot pins 4 2 Spigot shaft 2 3 Cardan shaft joint 2 ...

Page 117: ...MAINTENANCE OF THE TRACTOR NM13N073 THREE POINT LINKAGE AND REAR SEMI AXES BEARINGS Number of posi tion Name Number of greasing points 1 Rear semi axes bearings 2 2 Lifting rod 2 3 Upper draw bar bracket 3 ...

Page 118: ...118 NOTES ...

Page 119: ...tenance instruction of dry air filter 124 Main air filter element regeneration 124 Replacing dry filter locking element 124 Back assembly of air filter elements 125 Checking amount of oil in hydrostatic steering tank 126 Replacing oil and hydrostatic steering filter element 126 Venting hydraulic circuit of hydrostatic steering 127 Replacing the hoses of hydrostatic steering 128 Coolant replacement...

Page 120: ...e the damage of headlights bubs placed in the front bonnet CHECKING OIL LEVELS IN ENGINE Check daily before starting the operation with the tractor standing horizontally Engine oil dipstick 1 and filling hole 2 are placed on the rights side of the en gine Unscrew the dipstick 1 wipe off with a cloth and screw back in When you unscrew the dipstick again the level must not drop below the bottom gaug...

Page 121: ...ter with your hand After the sealing seats on the sealing of the block tighten the filter for a 3 4 to 1 and 1 4 of a revolution Check the tightness again after starting the engine POURING OIL TO ENGINE Pour the set amount of motor oil engine by filling hole 2 start the engine and al low it to run for 2 3 minutes with engine revolutions of 750 800 After stopping the engine and settling the level r...

Page 122: ...o fuel system venting FUEL SYSTEM VENTING Before you vent place a suitable vessel under the engine to catch dripping fuel from the filter and in jection pump 1 by several heaves of a manual con trol of feeding pump 1 pressurize the fuel system 2 release the screw of branch pipe of fuel feeder to filter 2 and allow the fume to escape 3 tighten the screw 2 and repeat the procedure to the moment when...

Page 123: ...ION The state of air filter pollution is signal ized by the position of driver 1 in indica tor window If the driver 1 reaches a red box with a label service 2 it is neces sary to do dry air filter maintenance After completing dry air filter maintenance ensure repeated proper function of pollution indi cator Press the cap on the body of the indica tor 3 in the direction of an arrow you will unblock...

Page 124: ... If main element is not damaged there must not be dust on the internal side of the element regenerate by blowing with compressed air from the internal side of the element Main element can be regenerated this way 3 times maximum Element must be replaced once a year REPLACING DRY FILTER LOCKING ELEMENT remove dry filter locking element 3 with a pull Locking element cannot be re generated It must be ...

Page 125: ...he following with back assembly contact surfaces cleanliness elements must not be deformed with assembly and must not vibrate after assembly after closing the filter with a id a per fect tightness of the whole filter must be ensured after completing the maintenance of dry air filter secure proper function of pollution indicator ...

Page 126: ... nut of tank cap 5 demount the cap of hydrostatic steer ing tank 6 remove and replace filter element 7 set the lid of the tank back in 8 lock its position with a nut 9 screw drain screw back in 10 disconnect both hoses from working roller and waste pipe line from the tank place ves sels for used oil under working roller hoses and waste pipeline 11 start the engine and with idle run max 10 seconds ...

Page 127: ... 4 with maximum engine revolutions turn the steering wheel 3 times alternately slow ly and quickly to both sides to restricting wheel stop 5 stop the engine 6 after completing the venting check or replenish the oil level to control gauge line Check the tightness of all joints and hydraulic circuit guide ways of hydrostatic steering 7 lower the tractor down to front wheels Monitor oil level in the ...

Page 128: ...endpoints and hose surface wrapping damage by mechanical smear to a metallic body damage to external buckle braid with low pressure hoses If a pump gets damaged or if the engine is at standstill steerability is ob served but the force on the steering wheel increases It is possible to get to the nearest place where repairs can be done with lowered speed The steering wheel must not be held in the po...

Page 129: ...is accessible after lift ing the bonnet 4 after draining the coolant close the screw and valve leave heating valve open 5 fill the cooling system with antifreezer 6 start the engine and allow it to run for 1 minute approximately 7 replenish antifreezer in equalizing tank to the upper gauge line labelled as MAX 8 close the equalizing tank with a safety plug 9 after heating the engine and opening th...

Page 130: ...ER ELEMENT OF HYDRAULIC PUMP Oil filter 1 is placed on the left side in front of fuel tank Before replacing filter element place a suitable vessel under the tractor to catch dripping oil 1 unscrew filtration element 1 2 replace filtration element 3 grease rubber sealant of filtration el ement with oil and tighten the filtra tion element with your hand After the sealant is seated tighten the fil tr...

Page 131: ... check the amount of oil with a gauge 1 FILLING CONTROLLING AND DRAINING HOLE OF OIL OF FRONT DRIVE AXLE 1 final drive housing oil draining hole 2 filling and controlling hole of final drive housing oil after unscrewing controlling screw the level of oil must reach bottom brim of checking hole FILLING CONTROLLING AND DRAINING HOLE OF OIL OF FRONT WHEELS REDUCERS Inspection filling and draining oil...

Page 132: ...r overhang of cab roof It is necessary to unscrew the screws 2 and remove air condition filtration ele ments 1 FILTRATION ELEMENTS CLEANING Regenerate filtration elements of the cab depending on the degree of clogging by dusting by blowing with compressed air Check clogging daily Replace strongly polluted filters Tractor s safety cab is not equipped with special filters for air sucked into the cab...

Page 133: ...e driving with a trailer or a semi trailer do the inspection daily With pressure drop in brake sys tem under 450 30 kPa a warn ing control lights up on the dash board AIR CONDITION MAINTENANCE The main element of air condition system maintenance is cleaning air condition condenser is placed in front of engine radiator Clogged air condition condenser decreases not only the efficiency of cooling sys...

Page 134: ... cold Use pressure regula tor for inflation A which fulfils the function of pressure equalizer tire filler and lock ing valve Screw a hose for tire inflation Screw the hose to the end of coil so that back valve will be compressed If there is maximum pressure in air collector a tire cannot be inflated In such case it is necessary to first lower the pressure by a valve for draining condensate placed...

Page 135: ...tic equipment We therefore recommend these works to be entrusted to expert or authorized work shops Page Cogged belt tension 136 Cogged belt tension of air condition compressor 136 Tightening heads of rollers 136 Adjusting valve clearance 136 PTO shaft clutch control lever adjustment 137 Adjusting clutch pedal 138 ...

Page 136: ...ce effect of 25 N on a belt Perform cogged belt tension to pre scribed value after releasing tightening screws of air condition compressor TIGHTENING HEADS OF ROLLERS Tightening heads of engine rollers is done with a cold engine in prescribed or der Tightening torque 160 180 Nm Valve clearance 0 25 0 05 mm ADJUSTING VALVE CLEARANCE Adjusting valve clearance is done with a cold engine Proper valve ...

Page 137: ...ength of Bowden by turning the nut 2 After setting the length of Bowden tight en the locking nut 1 With adjustment hold the Bowden bolt 3 to prevent its turning together with adjustment nut 2 Free run of PTO shaft clutch control lever a must be 25 to 35 mm The track of lever between the lower lev er position and the point when the con trol force on lever increases is the free run of PTO shaft clut...

Page 138: ...un of clutch pedal a is done by changing the length of Bowden 1 Clutch pedal free run a must be 25 35 mm Free run of clutch pedal represents the track of pedal between the upper position of clutch pedal and the point when control force on the clutch pedal increases ...

Page 139: ...g 143 Permitted maximum weight of set tractor mounted machine kg 144 Front tires steerability 145 bearing capacity of rear tires 145 Hydraulic system 146 Tractor s speed in km h with engine nominal revolutions 147 Performance on rear PTO shaft 148 Dependent PTO shaft revolutions with nominal engine revolutions 148 Independent PTO shaft revolutions 148 Clearance circle and turning circle diameter 1...

Page 140: ...fenders 1 840 Height to the mouth of exhaust pipe 2 578 Height of tractor to upper cab s rim 2 624 Clearance height under the girder of front axle 393 Height of nozzle of multistage suspension linkage in its topmost position the centre of nozzle 890 840 790 690 Height of swinging draw bar on internal bottom fork surface 418 455 Rear PTO shaft height 725 Wheel base 2 200 TRACTOR S WEIGHT Tractor s ...

Page 141: ...verrun speed min 1 2460 Idle run revolutions min 1 800 25 Net output with nominal revolutions of 2 200 rpm EC 24 kW 53 Specific fuel consumption 2 200 rpm g kW h 260 Max torque Mt 1480 rpm Nm 310 Elevation Mt 35 Net output of1 480 rpm kW 48 Specific fuel consumption with max Mt 1 480 rpm g kW h 222 Engine greasing Compression with gear pump Maximum oil consumption after 100 Mh of engine run in g k...

Page 142: ...ant temperature C 106 Kind of distribution OHV Oil filter Full flow single use Fuel filter One stage with replaceable element Type of injection pump PP 4M 10P1i 3781 Type of nozzle DOP150S428 4104 Injectors opening pressure MPa 25 0 8 Injection advance angle 12 Valve clearance with cold engine suction exhaust mm mm 0 25 0 05 0 25 0 05 ...

Page 143: ...es with regard for the axle itself permissible load with regard for tires is given in table Front tires bearing capacity PERMITTED MAXIMUM LOAD OF REAR AXLE KG Wheel base mm Travel speed km h 1 1525 8 4 000 20 3 500 30 3 000 Load applies with regard for the axle itself permissible load with regard for tires is given in table Rear tires bearing capacity ...

Page 144: ...144 MAIN TECHNICAL PARAMETERS PERMITTED MAXIMUM WEIGHT OF SET TRACTOR MOUNTED MACHINE kg Travel speed km h 1 Maximum weight of set 8 5500 30 4300 ...

Page 145: ...ard surfaces it is advisable to increase the pressure by 30 kPa with regard for slippage and abrasion of tires BEARING CAPACITY OF REAR TIRES Travel speed 30 km h 1 8 km h 1 Bearing capacity of tires kg Bearing capacity of tires kg Parameter of tires Tire 1 piece axle inflation kPa Tire 1 piece axle inflation kPa 16 9 30 2000 4000 120 2000 4000 80 480 70R30 2000 4000 150 2000 4000 80 Note Bearing ...

Page 146: ...RAULIC SYSTEM Type of tractor Major 80 Lifting force at the end of lower draw bars of rear three point linkage in the whole range of heave with maximum useful pressure kN 26 Hydraulic system pump supply l min 50 Working pressure MPA 18 ...

Page 147: ...H ENGINE NOMINAL REVOLUTIONS Gear reduction Gear Forward speed Reversing speed 1 L 1 43 1 20 2 L 2 12 1 78 3 L 3 11 2 61 L 4 L 4 37 3 67 1 M 3 64 3 05 2 M 5 39 4 52 3 M 7 89 6 62 M 4 M 11 08 9 30 1 H 9 65 8 11 2 H 14 29 12 00 3 H 20 91 17 56 H 4 H 29 39 24 68 ...

Page 148: ...s 2 460 rpm 51 DEPENDENT PTO SHAFT REVOLUTIONS WITH NOMINAL ENGINE REVOLUTIONS Gear reduction Gear 540 1000 1 L 66 120 2 L 96 176 3 L 139 255 L 4 L 202 369 1 M 166 304 2 M 242 443 3 M 350 641 M 4 M 507 928 1 H 446 816 2 H 650 1190 3 H 941 1721 H 4 H 1362 2492 INDEPENDENT PTO SHAFT REVOLUTIONS labelling Shaft revolutions engine revolutions Shaft revolutions engine revolutions 540 613 2200 540 1938 ...

Page 149: ...el base rear 1505 mm Parameter of tires rear 16 9 30 On the left On the right without engaged front drive axle 10500 10350 Turning circle diameter mm with engaged front drive axle 11300 11100 without engaged front drive axle 11020 10870 Clearance circle diameter mm with engaged front drive axle 11820 11620 ...

Page 150: ...150 NOTES ...

Page 151: ...egisters 28 Clearance circle and turning circle diameter 149 Cogged belt tension 136 Cogged belt tension of air condition compressor 136 Connecting machines and tools assembled from more parts 79 Connecting machines and tools to External hydraulic circuit 79 Contamination indicator function 123 Coolant heater 43 Coolant replacement 129 D Dashboard 31 Dependent PTO shaft revolutions with nominal en...

Page 152: ...ing from lower to higher gears 46 Gear shifting lever 34 Gear system drain plug 130 General principles of new tractor run in in first 100 hours of operation 54 Getting acquaintance with a tractor 19 H Headlights switch 25 Heating filtration element 132 Hinged lid 23 Hydraulic control 32 Hydraulic control panel 69 Hydraulic equipment 67 Hydraulic equipment 68 Hydraulic sensitivity system control 71...

Page 153: ...or trailers and semi trailers 59 Multistage adjustable suspension 58 Notification signalization of air pressure drop 49 O Oil replacement in gear system 131 Oils for four roller forced induction Zetor engines 112 Oils of tractors transmission gears 112 Oils to front drive axle 113 Oils to hydrostatic steering for tractors 113 One section switchboard external hydraulic circuit controlling levers fu...

Page 154: ...hose air brakes for trailer 50 Speed of three point linkage lowering control 71 Starting the engine 40 Starting the engine while using coolant heater 43 Steps taken after every 100 hours of operation 108 Steps taken after every 500 hours of operation 109 Steps taken beyond 500 Mth interval 109 Steps taken daily always before starting the works 108 Stopping the engine 51 Stopping the tractor manual...

Page 155: ...V Valve for filling tires with liquid 95 Venting hydraulic circuit of hydrostatic steering 127 Vertical adjusment of lifting draw bars 83 Vertical adjustment and multistage suspension disas sembly 58 W Wheel track change 87 Wheel track toe in in tractors with front drive axle 91 Working with PTO shaft 62 ...

Page 156: ...156 Operator s manual MAJOR 80 Edition 1 100 2013 Publication No 222 212 653 ZETOR TRACTORS a s Department of Technical Documentation Trnkova 111 632 00 ...

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