PRONAR ZEFIR 85 Servicing Instruction Download Page 75

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PRONAR

F. TECHNICAL MAINTENANCE OF THE

TRACTOR

PRONAR

agent. Install filtering elements and pour fresh oil into oil sump. Oil level ought to range to the line marked
inside oil sump

. The oil level must not exceed the marking inside the oil sump.

ATTENTION ! If the tractor operates under conditions of heavy dustiness, you must check the air
filter after each 20 mth.

Having the air filter cleaned you must check tightness of its connections.

For this purpose, while the engine is running (at medium speed, ie. approx. 1000 rpm), you must cover

the filter inlet

up. If all connections are tight, the engine will stop. If it does not stop, you must tighten all

fixing elements of the filter, so to obtain aforementioned effect at the second attempt.

OPERATION No. 21.

Cleaning air filter in the compressor

Unscrew and blow through the air filter

in the air compressor with

use of compressed air.

OPERATION No. 22.

Tighteninh the engine head

Tightness of screws fixing engine head must be checked
while the engine is warm, respectively. First you need to
screw the bolts tight by applying force of 80Nm, and then
of 181 Nm.

After having the engine head screwed tight, you must check and adjust valve clearance
of the engine.

Summary of Contents for ZEFIR 85

Page 1: ... Podlaskie ul Mickiewicza 101 A tel fax 0 85 6816329 0 85 6816429 0 85 6816381 0 85 6816382 0 85 6816384 fax 0 85 6816383 www pronar pl WHEELED FARM TRACTORS PRONAR of the type P8 ZEFIR 85 ZEFIR 85K SERVICING INSTRUCTION 3rd Edition Narew 07 2007 ...

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Page 3: ...WHEELED FARM TRACTORS PRONAR of the type P8 ZEFIR 85 ZEFIR 85K SERVICING INSTRUCTION 3rd Edition Narew 07 2007 ...

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Page 5: ...ess of the selling point User s name and address Type of the tractor Factory number of chassiss Factory number of engine Factory number of cab The nearest authorized point of service APS Date of purchase Date of expiration of guarantee validity ...

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Page 7: ...t of loss or damage you must acquire a new copy of servicing instruction by ordering it at the manufacturer In the event of selling or making available the machine to other user you must attach the servicing instruction On the first page of the instruction the seller should write down the factory number of the machine according to the number placed on the data plate and also he should give his own...

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Page 9: ... tractor 28 Start moving 30 Stopping the engine and the tractor 31 Rear three point hang up system 32 Coupling units 35 Steering with lifting appliance 37 External hydraulic system 40 Pneumatic system for braking trailers 42 Changing the wheel track of the front and rear driving axle 44 Rules of selection of wheel size 45 Improving operational properties of ZEFIR tractors 46 Wiring system 48 Bonne...

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Page 11: ...hey can also perform earth transportation and other works in dependance on the machine or tool with which they cooperate ATTENTION Continual improvement of the tractor and alterations in the design connected with this may cause that the Servicing Instruction may not comply with realities of the tractor only to a small degree In case of any doubts you must contact us by letter or phone PRONAR Sp z ...

Page 12: ...g and the tractor is braked with the parking manual brake There is pressure in the cooling system during running of the engine there is the pressure valve in the cork of the radiator Therefore do not unscrew the cork during running of the engine and when unscrewing do it very slowly and carefully in order to reduce pressure gradually in the system Keep paricular care during removal of hot fluid fr...

Page 13: ... during moving on uneven hilly land while crossing ditches on slopes and bends turning back points Do not take sharp turns under full load and with high velocities of the transport SAFETY RULES DURING PERFORMANCE OF TRANSPORT WORKS During moving on roads also non public roads you must absolutely observe road traffic provisions binding in the country on the area of which the tractor is moving Durin...

Page 14: ...not add on no account gasoline or mixtures to diesel fuel oil because it may considerably increase hazard of ignition or explosion Always turn off tightly the plug of fuel filler to the tank Do not fill fuel when the engine is running Do not smoke cigarettes during filling fuel neither during servicing of fuel system Do not fill the whole volume of the tank with fuel Always leave small space for e...

Page 15: ...OR TO THE PURCHASER The new tractor should be started for the first time by the guarantee mechanician or authorized employee from the commercial service The first starting embraces detailed visual inspection and checking of action of the tractor and instruction of the buyer on basic rules of utilization of the tractor It is advisable that persons directly servicing and using the tractor should be ...

Page 16: ...rators of the machine ATTENTION Keep labels clean so that they will always be legible If the labels have been destroyed or become illegible you should obtain new ones from the authorized dealer 1 2 4 5 3 6 7 Fig B 1 Position of safety signs on tractors ZEFIR Pos 1 Position on the left middle column inside the cab Switch off the engine and Take out the key from the ignitron switch before starting s...

Page 17: ...N AND WORK WITH TOOLS DRIVEN BY THE PTO Pos 6 Position the housing of the starter Do not short circuit terminals of the starter in order to start the engine Never start the engine standing on the ground Start engine only with key from the driver s seat making sure that the levers of the gearbox and the PTO are in neutral position and that the parking brakes switched on Pos 7 Position the housing o...

Page 18: ...e cab The number of the tractor chassis is placed on the plate located on the rear wall of the cab on the left side of the tractor see fig C 1 pos a Type and number of the cab is given on the plate located on the left wall of the cab on the right side fig C 1 pos b Fig C 2 Position of the tractor plate on the left side of the tractor ...

Page 19: ...PRONAR C IDENTIFICATION DATA PRONAR 9 Upper transport hitch Mounting frame Lower hook type coupling Automatic upper transport hitch option Fig C 3 Position of plates of hitch devices ...

Page 20: ...atching hold of the hand rail situated outside the cab on the left side and the hand rail on internal part of the door on the right side you must climb the anti slip foot plates and go into the cab Close the door after entering and sit down on the operator s sit ATTENTION In order to prevent falls when entering and going out from the tractor you must use hand rails and foot plates Remove mud snow ...

Page 21: ...Interlocking grip handle of the rear window 1 The flap of the roof can be interlocked in closed position or in partly open position by means of the lever mechanizm with grip handle Fig D 1f Interlocking grip handle of the roof flap 1 2 The external rear view mirrors 1 have the possibility to extend the arm and to regulate the angle of position In order to regulate the mirror you must loose the bol...

Page 22: ...air outlets at the steering column 12 multifunction switch of lights and horn 13 steering wheel 14 panel of indicators 14a plug ZEFIR 85 or switch of traffic beams on brackets ZEFIR 85K 15 switch of warning flasher lights 16 switch of starter ignition switch 17 pull rod for stopping the engine STOP 18 handwheel for steering the temperature of hot air blow in from outlets at the steering column 19 ...

Page 23: ...s 32 lighter socket 12 V 33 pedal for steering fuel dosis gas 34 lever for quick lifting and lowering of a tool suspended on the TPSS 35 levers for controlling of pair of hydraulic quick couplings of the tractor 36 lever of position regulation of rear TPSS 37 lever for regulation of the rear TPSS by means of power lift 38 lever for regulation of lift function sensitivity reaction speed 39 pull rod...

Page 24: ...ine tractor driving speed and number of worked motor hours see fig D 4 Fig D 4 Tachometer scale 1 scale of rotational speed of engine shaft white colour 2 range of engine shaft revolutions at which PTO achieves the velocity of 540 or 1000 rev min green colour 3 scale of the tractor driving speed yellow colour 4 counter of motor hours indicates and keeps in memory the number of motor hours Ater swi...

Page 25: ...eld the engine is overheating and you must determine the cause of it The cause may be too little quantity of fluid in the cooling system unsufficiently stretched wedge belt of the fan drive external or internal contamination of the radiator Lack of elimination of the cause of engine overheating may lead to serious average Air pressure indicator In the pneumatic system for braking trailers This pre...

Page 26: ...e falt must be eliminated The lamp is also on when you set the switch key of the starter in position I see fig D 6 control lampof cooling fluid temperature It is alight when temperature exceeds the permissible level the arrow of temperature indicator is on the red field control lamp for switching of parking lights unused unused control lamp for switching of parking brake control lamp of oil pressu...

Page 27: ...the handwheel B in place indicated by it is achieved horn sound signal IGNITION SWITCH 1 Fig D 6 Controlling of engine start up 1 starter switch On the control board fig D 6 on the right side there is the starter switch ignition switch having three positions 0 switched out STOP you may take out the key 1 switching on of control devices 2 switching on of the starter We switch on the starter by turn...

Page 28: ...tion of the back rest within the range of 2 16 is fluently regulated by means of the handwheel 1 Height of the seat is regulated fluently within the range of 30mm through turning the handwheel 2 Regulation of inclination angle of armrests is conducted by means of handwheels 5 placed in armrests 1 REGULATING THE INCLINATION ANGLE OF THE BACK REST 2 16 2 REGULATING THE HEIGHT 60mm 3 LONGITUDINAL REG...

Page 29: ...set the required back rest angle and interlock the fixed position by releasing the lever The handwheel 5 serves for regulation of position and degree of convexity of the back rest Regulation is conducted by turning the handwheel 5 to the right or to the left until the required position is achieved The seat GRAMMER has three positions of height low 1 middle 2 high 3 see the fig next to Regulation i...

Page 30: ...teering velocity of air blow in at the steering column The systems allows heating the cab in low temperatures and ventillation of the cab in high temperatures by means of screens at the steering column ATTENTION It is not recommended to use water in the cooling and heating system of the cab Tou must use antifreeze fluid In the factory the cooling system and the heater in the tractors ZEFIR have be...

Page 31: ...raz ze śrubą 1 ręcznie Fig D 13 Changing position of steering wheel along its axis 1 cover of steering wheel axis together with screw BRAKES Working brake basic brake During driving jazdy on roads brake pedals should be interlocked with the pawl 1 fig D 14 1 In field works when there is necessity of making turns of small radius returns you may brake after unlocking the pawl the left or right wheel...

Page 32: ... in field conditions on base ground soil with good adhesion 2 lower position interlocking switched on you must use during performance of field or transport works in situation when drive wheels skid and it threatens getting stuck of the tractor ATTENTION It is allowed to switch on the interlock of differential gear at field and transport works during increased skid SWITCHING ON OF THE INTERLOCKING ...

Page 33: ...Ł Fig D 17 The lever of controlling the front axle can be set in two positions WŁ ON drive switched on upper WYŁ OFF drive switched on lower ATTENTION It is forbidden to switch on drive during driving on hardened roads It is forbidden to use the switched on drive of the front axle at velocities over 15 km h or or at turn of front wheels over 25 In case of necessity of using the front axle drive du...

Page 34: ...ially important during aggregation with machines with large moments of inertia such machines should be equipped with unidirectional clutch Non compliance with the above mentioned recommendations may lead to premature wear of PTO drive transmission system elements and in consequence increase frequency of conducting regulaation or replacement of parts In tractors ZEFIR the PTO drive is switched on w...

Page 35: ... at each break in operation of the machine switch off the PTO drive Switch off the PTO drive at each return and during lifting the machine being suspended on the TPSS the lever 1 fig D 18 For long lasting switching off the PTO you must switch off the PTO clutch pulling the lever 1 of the PTO clutch upwards according the pictogram placed next to the lever into the position OFF SWITCHE D OFF until t...

Page 36: ...hapter HITCH DEVICES Before connecting and disconnecting the machine driven by the PTO the upper transport hitch should be fastened in upper extreme position or dismounted 1 Next you must take out the plastic cap from the ending of the PTO shaft WOM 1 fig D 21 and connect the jointed shaft to the PTO ending When the tractor engine is stopped the PTO shaft ending can be turned manually in order to ...

Page 37: ... the machine by the PTO you must make sure whether the housing of the PTO shaft is installed During using equipment driven by PTO you must not wear loose clothing Do not clean do not regulate do not approach the equipment driven by PTO when the engine is running ...

Page 38: ...ces and whether they are fastened properly Before starting the engine you must perform the following actions switch on the battery switch located with the battery on the right side of the tractor Fig E 1 The battery switch outside the tractor on the right side of the tractor brake the tractor with the parrking brake fig E 2 Fig E 2 Parking brake emergency brake make sure whether the lever A fig E ...

Page 39: ...ion 1 to position 2 fig D 6 for the period of maximum 15 s If the engine is not started you must repeat attempt It is recommended to conduct maximum of three attempts with breakes of 30 40 seconds If the engine has not been started you must find fault and eliminate it In case of starting the engine in low temperatures you must turn the key of the ignition switch into position 1 and wait until the ...

Page 40: ... to the diagram B fig E 7 you must switch on the selected group of gears H fast gears M normal gears L slow gears or R reverse gears ATTENTION Switchng of gears H M L R should take place only after total stopping of the tractor by means of the lever for controlling change of gears according to the diagram A fig E 7 you must switch on the selected gear 1 2 3 or 4 ATTENTION Switching of gears 1 2 3 ...

Page 41: ...rgency stop pedal the brake and clutch at a time One must not stop the negine at high temperature of the lubricating oil and cooling agent It is recommended working at low rotational speed of the engine until having the oil and the cooling agent lowered Stopping the engine requires switching the hand lever of conrol of the fuel dose Fig E 5 into minimum position and then pull the STOP link of the ...

Page 42: ...ther telescopic limiters 2 are mounted and properly adjusted Dismantle the hook type coupling or upper transport coupling if need be Before setting about accoupling machines or devices one must pull the parking brake Accoupling Most of tools can be accoupled to the tractor in the following way 1 Position the tractor so that coupling joint of lower links be levelled and positioned in the axis of co...

Page 43: ...st accidental turning Fig E 10 Hanger of three point hang up system 1 central part of the hanger along with the handle 2 locknut Hangers of three point hang up system can be attached to its lower links in two ways Fig E 11 1 to round shaped openings while lower links and its joints cannot change its position with relation to the hanger Such coupling way is used when working with automatic adjustme...

Page 44: ...ter pin ATTENTION When setting the length of telescopic limiters one must make sure that there will not be any conflict between tyres and limiters or lower links ATTENTION Limiters transfer only compressive forces they do not transfer tensile forces In case the tensile force produces effect on the limiter the cotter pins that attach limiters to lower links may be broken off Fig E 13 item 3 For exa...

Page 45: ... the guide openings 8 after having that action taken one may freely move the upper transport coupling at desired height In order to fix the coupling in desired position one must pull the lever 7 down to make the pins fit to appropriate openings on the guide 8 and locked the transport coupling at desired height ATTENTION If necessary one can totaly dismantle the upper transport coupling by pulling ...

Page 46: ... lever Do not touch the trigger lever 3 Fig E 15 with hand because the tow pin may hurt your hand when dropping down Maximum vertical force acting on the automatic type transport coupling must not exceed the value of 20 kN 2000 kg IT IS TOTALLY FORBIDEN TO accouple with upper transport coupling uniaxial trailers or farm machines built up on chassis of such trailers exceeding vartical carrying capa...

Page 47: ...pth limitation of the tool that is being dig deep into the soil Aforementioned examples of application make no absolute recommendations One can use positional adjustment when setting about ploughing but on the condition of having even field because the tractor copies it and longitudinal movements of the tractor cause change of working depth Working elements of seeders work dig deep into the soil h...

Page 48: ...ie the tractor is running by force regulation lever 2 select desired operational depth When driving out of the furrow and in order to lift or lower the three point hang up system one must use only positional regulation lever 1 leaving the force regulation lever 2 in previously set position Then at subsequent digging the tool deep into soil move the positional regulation lever 1 forward to the utmo...

Page 49: ...rder to increase the sensitivity of the lifting appliance action one must pull the lever backwards Moving the lever forward decreases the sensitivity if the lifting tool action In some cases high sensitivity could cause vibrations In order to reduce the vibration move the lever forward little by little Using lever 3 Fig E 18 the operator can lift the tool and then place it down keeping the previou...

Page 50: ... lift the tool up NEUTRAL release the lever in order to select neutral position and stop attached servomotor PLACING DOWN pull the lever backwards out of neutral position in order to withdraw the servomotor and lower the tool FLOATING OPTIONAL section C could present floating position as an option In order to do so pull the lever backwards out of placing down position It allows for free movement o...

Page 51: ...er pressure which ends the process of conjugation of hydraulic systems of the tractor and the tool Before setting about working with the machine check whether moves of the machine assembly driven by external hydraulic system correspond with moves of the lever In case they do not corresponf with each other one must switch the coupling points of pips in the pair of quick couplers In order to draw th...

Page 52: ...awl if you have the trailer hooked on The hand brake of the tractor is connected with main control valve After switching the hand brake on brakes in the trailer become actuated as well Single pipe system of the trailer If the trailer is equipped with single pipe system one must connect the pneumatic pipe of the trailer to the black pneumatic joint C Fig E 21 of the tractor After releasing brake pe...

Page 53: ...ox 0 5 Mpa After reaching desired pressure ranging at 0 55 0 8 Mpa on the air pressure indicator poz 2 rys D 3 there could be heard loud sound of air blow off through the valve to the atmosphere Press the foot pedal several times making sure that pressure measured by the control device drops after having brakes activated and rises after having brakes released Never drive the tractor while the brak...

Page 54: ...nt from the other side of the tractor The arrow head placed on the tyre ought to correspond with driving direction forward of the tractor Tread protrusion of the tyre are positioned properly and the tyre wheel and tractor can provide maximum towing power at particular conditions Wheels of the tractor are very heavy Handling with tractor wheels needs special attention when taking dismantling action...

Page 55: ...ear axle 11 2R28 11 2R42 14 9R24 18 4R34 or 16 9R38 or 18 4 34 or 520 70R34 380 70R24 16 9R34 or 420 85R34 13 6R24 16 9R34 or 420 85R34 380 85R24 16 9R38 or 18 4 34 or 18 4R34 or 520 70R34 If during service time in case of necessity for different reasons of changing wheels of one axle you must check whether there is a necessity of replacing wheels of the other axle as well ATTENTION Using sets of ...

Page 56: ...t weights 12 pcs 40 kg each to the frame bracket of the tractor Fig E 23 ATTENTION In standard version the tractor is equipped with 6 pcs of weights 40 kg each Do not use the tractor when coupling pins 1 Fig E 23 and bolts 3 and 7 fixing weights are not properly placed and properly tightened Any backlash between weights is not allowable Front weights must be used mostly for improving stability of ...

Page 57: ... with temperatures below zero you must pour the water out of wheels In case of necessity of having large towing power in winter time wheels must be filled up with calcium chloride solution of concentration corresponding with ambient temperature and wheels size Amount of the calcium chloride in grams per one liter of water Ambient temperature 200 do 15 C 300 do 25 C 435 do 35 C Rear wheels Water ca...

Page 58: ...ers and additional supply socket 12V Tractors ZEFIR are equipped with standarized waccording to Polish Norm joint of the wiring system for trailers 1 and supply socket 12V for additional receivers connected to the wiring system of the tractor 2 power carrying capacity of the socket 10A located on the back wall of the cab from the outside 2 1 To the joint of wiring system of trailers 1 Fig E 26 the...

Page 59: ...ring column FB1 and FB2 Fuses group No of the fuse in Fig E 28 Protected circuit Value A A1 Fan 20 B2 Rear window wiper windscreen washer and front window wiper 15 C3 Driving direction light left right air heater 10 D4 Switchpanel supply 7 5 E5 Passing lights of left headlight 7 5 F6 Passing lights of right headlight 7 5 G7 Position light from the right Indicators lighting on the dashboard 10 FB1 ...

Page 60: ...E 29 Lamp type Fig E 29 Bulb type Quantity per tractor 1 Operating lamp 4 front and 2 rear mounted on the cab s roof H3 12V 55W 6 2 Lamp of additional passing lights mounted on the bracket of turn signals ZEFIR 85K H4 12V 55 60W 2 3 Front combined lamp position lights R10W 2 4 Front combined lamp side turn signal P21W 2 5 Main headlight turn signal light P21W 2 6 Main headlight passing lights H7 1...

Page 61: ...pressure washing device you must not stand close to the tractor and you must avoid directing the water jet towards electronic or electric type sub assemblies electrical joints and vent openings ATTENTION Never direct the cold water jet towards hot engine or exhaust system GRINDING IN THE TRACTOR First 50 mth of the tractor operation significantly affects the tractor lifetime and especially its eng...

Page 62: ...filter in hydraulic system gear box rear axle change oil in steering system change cooling agent and flush out the cooling system of the engine inspect the condition and tension of V belts of drive unit of the fan a c generator and compressor remove deposits from preliminary sedimentation tank of the fuel oil and fuel tank remove condensation water from the tank of the pneumatic system inspect and...

Page 63: ...or X X X X 12 Remove all leakages and lack of tightness in fuel system hydraulic system cooling system and engine air inlet system X X X X 13 Inspect the engine steering system braking system and all other system and assemblies of the tractor X X X X 14 Replace filtering cut off wall in hydraulic oil filter Replace every 8 mth for first 64 mth of operation 15 Check the tension of driving belt of t...

Page 64: ...rear axle X 31 Change oil in main gear and wheel reduction gears of the front axle X 32 Change oil in steering system X 33 Check fuel injectors and injection pump of the fuel system X 34 Check the condition of a c generator and starter X 35 Check the condition of water pump X General maintenance if need be 36 Changing bulbs 37 Inspecting toe in of front wheels ATTENTION Specified maintenence perio...

Page 65: ...ow bottom mark on the dip rod OPERATION No 1a Contamination degree and oil level in oil sump of the air filter engine version with wet air filter or contamination degree of dry filtration elements of the air filter engine version with dry air filter In order to check oil level in oil sump of the air filter engine version with wet air filter you must unlatch 2 and take the oil sump of the air filte...

Page 66: ...t flush out or replace internal filtering element 5 and replace external filtering element 4 After having wet and dry air filter cleaned you must verify the tightness of air filter connections For this purpose when engine is running at medium speed ie approx 1000 rpm you must cover the filter inlet 3 up If all connections are tight the engine will stop If it does not stop you must tighten all fixi...

Page 67: ...ooling system ATTENTION It is recommended to change the coolant at least once a two years or after each 800 mth OPERATION No 4 Hydraulic oil level in the tank of the hydraulic system for brakes control 2 1 Inspect visually liquid level in the tank 1 of the brakes control system Oil level should range between min and max lines marked on the tank If need be fill the oil up to required level taking t...

Page 68: ...eviously prepared bathtub utlil clean fuel starts to flow out After taking aforementioned action tight the plugs 1 and 2 ATTENTION Plug 1 of the fuel tank must be turned by applying force of 10 Nm OPERATION No 8 Technical condition of tyres and tyre pressure Inspect the condition of the tyre thread and check tyre pressure See if there are no damages of the tyre thread and tyre side walls Adjust ty...

Page 69: ...ir Dried out filter can be mounted back to the control device Apart from aforementioned the control device does not require special service on the job ATTENTION Repair action in relation to air pressure control device may be taken only by authorized service for products of VISTEON Poland SA according to Repair Manual OPERATION No 9 Condensation water in the pneumatic system 1 The tank of the pneum...

Page 70: ... fixing front and rear wheel disks to wheel bands 2 by applying force of 230 20 Nm OPERATION No 11 Lubricate bearing of the water pump shaft and hubs of rear wheels of the tractor 1 2 Lubricate the bearing of the water pump shaft 1 and hubs of rear wheels 2 of the tractor until emersion of grease on lubricating nozzles OPERATION No 12 Remove any leakiness and leakage in fuel hydraulic cooling and ...

Page 71: ...ing force of 30 50 N 3 5 kG The V belt tension may be adjusted by changing setting of the a c generator after having fixing screws loosened first Having adjusting procedure completed you must tighten fixing screws OPERATION No 16 Lubrication points every 50 mth Lubricate all floating joints with use of lubricator You must pump grease until emersion of lubricant on the lubricator thimble Lubricatio...

Page 72: ... strong Attention When uncrewing worn filter you must not use a hammer engineer s chisel etc because such act may damage the filter body or engine block You may use filters recommended by the engine manufacturers only original Attention Screw tight the filter by hand and do not use any tools After havinf the filrer replaced you must screw the drain plug 3 in and fill up the engine with fresh oil t...

Page 73: ... sealing ring 2 of the filter touches the filter body 3 and then make a half turn with hand you must not tight too strong deaerate the fuel system Attention When uncrewing worn filter you must not use a hammer engineer s chisel etc because such act may damage the filter body or engine block You may use filters recommended by the engine manufacturers only original Attention Screw tight the filter b...

Page 74: ...red level marked on the dip rod 1 Oil level ought to range between lines on the dip rod ATTENTION When working with machines of high capacity hydraulic systems oil level in the tank of hydraulic system must range to the upper line on the dip rod ATTENTION It is forbiden to start the tractor if oil level in the tank ranges below the bottom line on the dip rod OPERATION No 20 Replacement of the oil ...

Page 75: ...ie approx 1000 rpm you must cover the filter inlet 3 up If all connections are tight the engine will stop If it does not stop you must tighten all fixing elements of the filter so to obtain aforementioned effect at the second attempt OPERATION No 21 Cleaning air filter in the compressor 1 Unscrew and blow through the air filter 1 in the air compressor with use of compressed air OPERATION No 22 Tig...

Page 76: ...ance you must loosen the securing nut of the adjusting screw in the valve rocker By screwing the adjusting screw in or out you may set desired valve clearance and verify it with use of clearance gauge After adjusting clearance and screwing tight the securing nut 1 you must check the clearance by turning the valve rod make a one turn 360 with the crankshaft so that valves of the 4th cylinder got ov...

Page 77: ...sufficient oil content you must refill the oil through filler opening 2 up to required level ATTENTION When working with machines of high capacity hydraulic systems oil level in the tank of hydraulic system must range to the upper line on the dip rod ATTENTION It is forbiden to start the tractor if oil level in the tank ranges below the bottom line on the dip rod OPERATION No 25 Oil level in the b...

Page 78: ...n from the moment of stopping the engine the pressure drop on the manometer should not be bigger than 2 which is approx 0 012 0 013 MPa 0 12 0 13 kG cm2 When inspecting tightness the pneumatic system of the tractor must not be connected with the trailer system must not be loaded In case the pressure drop is higher than required you must find the problem and resolve it OPERATION No 27 Lubricate bea...

Page 79: ...ke the battery out when setting about recharging To do so you must unscrew two clamp nuts 3 and dismantle the bracket 2 fixing the battery 1 OPERATION No 29 Cleaning air filter of the cab 1 2 Air filter 1 of the cab is located under the bonnet at the rear In order to dismantle the filter element 2 you must lift the bonnet and take the filter element out of its casing Cleaning procedure consists in...

Page 80: ...1 turn the drain plug out A B C D drain oil from the driving system into previously prepared bathtub replace the hydraulic oil filter element 3 it is located from the right of the bear box body pour fresh oil into the tank through filler opening 2 up to required level marked on the dip rod 1 Oil level ought to range between lines on the dip rod ATTENTION When working with machines of high capacity...

Page 81: ...ering system should range to the upper lone on the dip rod 3 attached to the tank plug ATTENTION It is forbiden to start the tractor when the oil level is below required OPERATION No 33 Injectors and injection pump of the fuel system Verification of the operation of injectors and injection pump of the fuel system must be done by authorised service service center of the manufacturer In case of irre...

Page 82: ...ont axle ATTENTION Before setting about adjusting front wheel track you must stop the engine and brake the wheels with use of parking brake Before setting about adjusting toe in you must position the tractor on flat level and hard ground and front wheels set for driving forward in central position Then you must take following action take the joint 1 of the steering rod ending out of the steering a...

Page 83: ...ing system of the engine 16 BORYGO Steering system 4 CD Class acc API SAE 15W 40 Hydraulic system together with lubrication system of the gear box and rear axle 54 LOTOS AGROL U HLP CLP Assisting system of brakes 0 5 Hydraulic oil SAE 10W Front driving axle Main gear 5 Wheel reduction gears 1x2 2 LOTOS AGROL U HLP CLP Front windscreen washer approx 2 Liquid for windsreen washer Lubrication points ...

Page 84: ...e battery and placing it in warm dry place with possibility of periodic recharging positioning the tractor upon supports placed under driving axles so that tyres were not loaded and lowering tyre pressure up to 70 of working pressure value PREPARING THE TRACTOR FOR OPERATION AFTER LONG LASTING STORAGE Preparing the tractor for operation after long lasting storage requires aftermantioned activities...

Page 85: ...PRONAR G TECHNICAL DATA PRONAR 75 DIMENSIONS OF ZEFIR 85 ...

Page 86: ...PRONAR G TECHNICAL DATA PRONAR 76 DIMENSIONS OF ZEFIR 85K ...

Page 87: ...80 70R24 18 4R34 Wheelbase mm 2314 Wheel track front rear axle mm 1650 2000 1500 2100 Maximum turning angle of front wheels 50o ATTENTION all dimensions relate to tractor with standard tyres 11 2 24 13 6 38 Hydraulic system oil tank capacity dm3 49 4 pressure MPa 16 delivery of a pump l min 46 controlling rear three point hang up system Mechanically number of sections of hydraulic divider 3 carryi...

Page 88: ...PRONAR NOTES PRONAR 78 ...

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