Zetor 8621 Forterra turbo Operator's Manual
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Zetor 8621 Forterra turbo Operator's Manual

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Summary of Contents for Zetor 8621 Forterra turbo

  • Page 3 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 new Zetor tractor will be your reliable friend if observing the mentioned safety rules, tractor maintenance and safe operation Manufacturer of Your tractor wishes you thousands of satisfactorily worked hours.
  • Page 4 Information about technical specifications, design, equipment, material, and external appearance is valid in the time of printing this operator’s manual. Manufacturer reserves all rights for changes.

  • Page 5: Table Of Contents

    CONTENTS Page Location of serial numbers ..................9 Safety instructions for user..................12 Preventive daily service .................... 15 Acquintance with tractor .................... 23 Electronic engine governor ..................51 Operation ........................63 Tractor running in ...................... 83 Transportation ......................91 Driving the agricultural machines ................101 Hydraulic system .....................
  • Page 6 ZETOR 8621, 9621 FORTERRA TURBO Zetor 8621 Forterra turbo - 60 kW Zetor 9621 Forterra turbo - 67,5 kW...
  • Page 7 ZETOR 8641, 9641, 10641 FORTERRA TURBO Zetor 8641 Forterra turbo - 60 kW Zetor 9641 Forterra turbo - 67,5 kW Zetor 10641 Forterra turbo - 76 kW...
  • Page 8 ZETOR 11641 FORTERRA Zetor 11641 Forterra - 81 kW...

  • Page 9: Location Of Serial Numbers

    LOCATION OF SERIAL NUMBERS Z 8621 - Z 10641 FORTERRA TURBO...
  • Page 10 LOCATION OF SERIAL NUMBERS Z 11641 FORTERRA...
  • Page 11 For your convenience, write those numbers in the frames below. Tractor model Tractor serial number Engine serial number ZETOR 8621, 8641, 9621, 9641, 10641 ZETOR 11641 The “left“, “right“, “front“ and “back“ side of the tractor is determined by traveling direction.

  • Page 12: Safety Instructions For User

    SAFETY INSTRUCTIONS FOR USERS This symbol marks such tractor 7. Start tractor from Keep extreme attention when ∗ equipment that is not assembled driver’s seat only with reading parts of operator’s manual standard (optionally shifting lever neutral that are marked by these symbols. assembled equipment only).
  • Page 13 SAFETY INSTRUCTIONS FOR USERS 15. Pay special attention when driving on 24. Make sure neither any person nor 33. Brake the tractor with parking brake hilly, muddy, sandy, icy and uneven ter- any obstacle allows driving before star- before leaving tractor with running en- rain.
  • Page 14 SAFETY INSTRUCTIONS FOR USERS respiratory organs. Some of them might a serious damage of tissue when FIRE PREVENTION RULES cause the total poisoning when used. touching or when frozen in hands. 38. Refuel the tractor after finishing the 46. Persons working with crude oil pro- job and with stopped engine.

  • Page 15: Preventive Daily Service

    PREVENTIVE DAILY SERVICE Do this service every day or at least every 10 hours...
  • Page 16 PREVENTIVE DAILY SERVICE F 10 FUEL SYSTEM LEAKAGE ENGINE OIL LEVEL COOLING SYSTEM Inspect the fuel system for leakage in- Check the engine oil and inspect the Inspect the engine cooling system for cluding the fuel tank. Repair immediately lubrication system for leakage. Add the leaks.
  • Page 17 PREVENTIVE DAILY SERVICE F 11 F 12 F 13 FLUID SERVICE BRAKES AIR TRAILER BRAKES HYDRAULIC TRAILER BRAKES Inspect the brake and clutch circuit for Inspect the air brake system leak and Inspect the hydraulic brake system leak. leaks and check the brake fluid level in tractor break efficiency with trailer (see the brake fluid expansion reservoir.
  • Page 18 PREVENTIVE DAILY SERVICE F 14 F 15 F 16 STEERING TIRES AND WHEELS AIR CLEANER Check oil level in the hydrostatic steering Check the inflation air pressure of front The indicator indicates clogging of the oil tank. Retighten bolts and nuts of and rear tires.
  • Page 19 PREVENTIVE DAILY SERVICE F 17 F 18 F 19 CAB FILTRATION HITCHES AFTER OPERATION WITH FRONT IMPLEMENTS Check and eventually clean cab filters Check the status of hitches and attach- Remove the front mask to be able to located under the roof in front part. Filter ments including the trailer.
  • Page 20 PREVENTIVE DAILY SERVICE F 20 SHORT FUNCTIONAL TEST Check the lubrication indicator light is “off“ after starting engine. Check the function of charging (charging control lamp must be off). Check the hydraulic circuit of hydrostatic steering for leaks and its function.
  • Page 21 ACQUAINTANCE WITH TRACTOR Page Safety cab ......................... 23 Opening the door from outside .................. 23 Opening the door from inside ..................23 Rear window......................24 Side window ......................24 ∗Tiltable roof lid ......................24 Opening for implementation purposes ..............25 Windshield washer ....................

  • Page 22: Acquaintance With Tractor

    ACQUAINTANCE WITH TRACTOR ∗ Ac operation ......................33 Location of dashboard ....................35 Description of instruments ..................35 Indicator lights ......................35 Location of dashboard ....................37 Description of instruments ..................37 Indicator lights and push buttons ................37 Switches with levers....................38 Light switch (a) ......................

  • Page 23: Acquintance With Tractor

    SAFETY CAB F 21 F 22 F 23 SAFETY CAB OPENING THE DOOR FROM OUTSIDE OPENING THE DOOR FROM INSIDE Use steps and handles when Cab doors can be locked from outside. 1. Lever for opening from inside. getting out and in. 2.

  • Page 24: Rear Window

    SAFETY CAB F 24 F 25 F 26 REAR WINDOW SIDE WINDOW ∗TILTABLE ROOF LID Rear window is equipped with handle A plastic latch in the opened position Pressing the mechanism opens roof lid. and is kept in the open position by gas locks side window.

  • Page 25: Opening For Implementation Purposes

    SAFETY CAB F 27 F 28 F 29 OPENING IMPLEMENTATION WINDSHIELD WASHER WASHER TANK PURPOSES The washer nozzle is adjustable by Washer tank is accessible after tilting needle of max. diameter 0,8 mm. the hood or after removing the front The bottom window is rigid and is mask.

  • Page 26: Passengerřs Seat

    SAFETY CAB F 30 F 31 F 32 SPACE FOR DRIVER’S NEEDS AND REARVIEW MIRRORS ∗PASSENGER’S SEAT TOOLBOX Adjust rearview mirrors before driving or Passengerřs seat is tiltable. A - Unlock the seat strut and tilt the starting the job to be able to see the The space is located on the left-hand road or the field.

  • Page 27: Seat Adjustment For Driverřs Weight

    DRIVER’S SEAT MARS F 33 F 34 F 35 SEAT ADJUSTMENT FOR DRIVER’S LONGITUDINAL SEAT ADJUSTMENT VERTICAL SEAT ADJUSTMENT WEIGHT The seat can be longitudinally adjusted The right hand side lever does vertical within range „ 75 mm (11 positions). seat adjustment within range „...

  • Page 28: Driverřs Seat ∗ Grammer

    DRIVER’S SEAT - GRAMMER F 36 F 37 F 38 SEAT ADJUSTMENT FOR DRIVER’S LONGITUDINAL SEAT ADJUSTMENT DRIVER’S SEAT ∗ GRAMMER WEIGHT Adjust the longitudinal position of seat by Tractor can be equipped with the seat Grammer as an option. a lever located on the left hand side of Adjust the seat by a plastic knob located the seat.

  • Page 29: Driverřs Seat ∗ Cobo

    DRIVER’S SEAT - COBO F 39 F 40 F 41 SEAT ADJUSTMENT FOR DRIVER’S LONGITUDINAL SEAT ADJUSTMENT DRIVER’S SEAT ∗ COBO WEIGHT AND BACKREST ADJUSTMENT Tractor can be equipped with the seat Cobo as an option. Adjust the seat by rotating the lever after Adjust the seat by lever on the right its tilting into working position.

  • Page 30: Tiltable Steering Wheel

    CONTROLS F 42 F 43 F 44 TILTABLE STEERING WHEEL ANGLE ADJUSTMENT TELESCOPIC ADJUSTMENT Tiltable steering column enables variable Angle adjustment enables 10 positions Steering wheel is adjustable within range angle and height adjustment of the with step 4 in range: -16 up u to +24 0 - 80 mm in any angle position.

  • Page 31: Control Panel Of Heating, ∗Airconditioning And ∗ Radio

    CONTROLS F 45 F 46 F 47 FOUR-SPEED SWITCH OF HEATING CONTROL PANEL ON RIGHT CAB CONTROL PANEL OF HEATING, ∗AIR- BLOWERS PILLAR CONDITIONING AND ∗ RADIO a - vertical position - blower is “off“ 5. Control switch of rear PTO 1.

  • Page 32: Ventilation Outlets And Radio Speakers

    CONTROLS F 48 F 49 VENTILATION OUTLETS AND RADIO DEFROSTING THE FRONT WINDSHIELD SPEAKERS For fast defrosting of front windshield the “A“ middle outlets needs to be directed to the front windshield with 45 angle from vertical position the "B" side outlets directed 11.

  • Page 33: Ac Control

    CONTROLS F 50 F 51 F 52 COOLING THE CAB AC OPERATION ∗ AC CONTROL For fast cooling the inner space of cab With switched AC and permanently The switch with symbol of flake controls air-conditioning. move the heating shut off lever (2) into closed heating shut off lever (2) in left the left position (i.e.
  • Page 34 DASHBOARD (analogue) F 53...

  • Page 35: Location Of Dashboard

    DASHBOARD (analogue) 14. Indicator light indicating critical failu- LOCATION OF DASHBOARD INDICATOR LIGHTS re in hydrostatic steering (not nocn- Analogue dashboard is assembled as a 1. High beam light (blue). It lights if high nected) standard equipment at tractors Z 8621, Z beam head lights are “ON .
  • Page 36 DIGITAL DASHBOARD F 54...

  • Page 37: Location Of Dashboard

    DIGITAL DASHBOARD 34. Button of PTO 1000 RPM. Speed LOCATION OF DASHBOARD INDICATOR LIGHTS PUSH with accuracy 10 RPM is displayed BUTTONS Digital dashboard is assembled as a and simultaneously the indicator standard equipment on tractors Z 11641 Location of indicator lights on digital lights No 22 and 25 are “ON“.

  • Page 38: Switches With Levers

    CONTROLS SWITCHES WITH LEVERS a - Light switch b - Switch of front grill light and roof light (low beam) c - Fog light switch (ON - OFF). Functi- on of fog light is indicated by illumi- nated symbol. d - Working light switch (ON - OFF). Function of working light is indica ted by illuminated symbol.

  • Page 39: Light Switch (A)

    CONTROLS F 56 F 57 F 58 LIGHT SWITCH (a) FRONT WHEEL DRIVE SWITCH (d) HAZARD LIGHT SWITCH (f) a - Lights are “OFF“ Use the front driving axle for a - Hazard lights are “off“. b - Clearance lights and tail lights , increasing the pulling force when b - Hazard lights are “on license plate light and illumination of...

  • Page 40: Switch Of Grill And Cab Headlight (G)

    CONTROLS F 59 F 60 F 61 SWITCH OF GRILL AND CAB HEAD- SWITCH OF REAR (FRONT) DIFFE- TURN SIGNAL, HEADLIGHT LIGHT (g) RENTIAL LOCK (j) HORN TOGGLE SWITCH (i) a - cab roof headlights are “OFF a - differential lock disengaged a - Turn signal - right.

  • Page 41: Key Switch

    KEY SWITCH F 62 F 63 F 64 KEY SWITCH KEY IN "0" POSITION KEY IN "I" POSITION Key switch is located on the front part of All electrical appliances controlled by the All electrical appliances controlled by the steering wheel support under...

  • Page 42: Key In "Ii" Position

    KEY SWITCH F 65 KEY IN “II“ POSITION Starter motor is connected in this posi- tion. All electrical appliances controlled by the key switch are connected except of wipers, washer, blower of cab and AC. The key is turned automatically to “I“ position after starting.

  • Page 43: Throttle Control Lever

    CONTROLS F 67 F 68 F 69 THROTTLE CONTROL LEVER STOPPING DEVICE ELECTRONIC HAND THROTTLE CONTROL A - Max. throttle Pull the stopping device upwards and B - Stop keep it in pulled position, the engine will The system electronically cont- Only at tractors Z 8621 - Z 10641.

  • Page 44: Pedals And Levers

    CONTROLS F 70 F 71 F 72 PEDALS AND LEVERS MAIN GEAR SHIFTING LEVER AND SHIFTING LEVER OF ROAD SPEED REVERSOR LEVER AND REDUCED SPEED 1. Travel clutch pedal 2. Foot operated service brake pedals 1. Main shifting lever with push buttons The lever is located on the right hand connected by latch for three-stage Hi-Lo (torque multi-...

  • Page 45: Pto Selection Control Lever For Shifting Of Pto Independent And Ground Speed

    CONTROLS F 73 F 74 F 75 PTO SELECTION CONTROL LEVER HYDRAULIC CONTROL PARKING BRAKE LEVER AND ∗ PICK FOR SHIFTING OF PTO INDEPEN- UP HITCH CONTROL LEVER a - mechanical hydraulic control DENT AND GROUND SPEED b - Electro-hydraulic 1.

  • Page 46: Hand Control Of Selection Control Valve

    ACQUAINTANCE WITH TRACTOR F 76 F 77 F 78 HAND CONTROL SELECTION FUEL TANK DRAINING PLUG OF FUEL TANK CONTROL VALVE Plastic fuel tank with capacity 180 liters The opening for draining impurities and is assembled as a standard. fuel is located in the bottom part of fuel At tractors equipped with ∗hydraulic Do not step on the fuel tank! tank.

  • Page 47: Average Fuel Consumption In Litters Per Operating Hour

    ACQUAINTANCE WITH TRACTOR F 79 F 80 AVERAGE FUEL CONSUMPTION IN BATTERY SWITCH LITTERS PER OPERATING HOUR Battery switch is located on the left hand side underneath the front part of cab. Tractor type Engine load 100% Z 8621, 8641 17,99 14,39 10,07...

  • Page 48: Location Of Information And Safety Decals

    ACQUAINTANCE WITH TRACTOR LOCATION OF INFORMATION AND SAFETY DECALS 2. Warning decal - hand 3. Decal 4-speed transmission 5. warning of operating space 6. coefficient of absorption 0,86 F 81...
  • Page 49 ACQUAINTANCE WITH TRACTOR 7. warning of starter motor 8. ECE label 9. EPA label...
  • Page 50 NOTE...

  • Page 51: Electronic Engine Governor

    ELECTRONIC ENGINE GOVERNOR Page Schema of electronic engine control system ............. 52 Push button - MAX ....................53 Push button - MIN ..................... 53 Push button - MEM....................53 Indicator lamp H/O ....................54 Function of electronic governor ................. 54 Setting the temporary memory ..................

  • Page 52: Schema Of Electronic Engine Control System

    ELECTRONIC ENGINE GOVERNOR SCHEMA OF ELECTRONIC ENGINE CONTROL SYSTEM System consists of the following main components and of wiring harness. A - Electronic control unit (E.C.U.) B - Hand throttle control ’ the control has three keypads and LED. C - Potentiometer ’ mechanically linked with foot throttle pedal D - Engine speed sensor E - Governor ’...

  • Page 53: Push Button - Max

    ELECTRONIC ENGINE GOVERNOR RPM1 RPM2 RPM3 PUSH BUTTON - MAX PUSH BUTTON - MIN PUSH BUTTON - MEM Push button (keypad) - max serves for Push button (keypad) - MIN serves for Push button (keypad) - MEM serves for increasing the engine speed. Engine decreasing the engine speed.

  • Page 54: Indicator Lamp H/O

    ELECTRONIC ENGINE GOVERNOR RPM4 RPM5 RPM6 INDICATOR LAMP H/O FUNCTION OF ELECTRONIC GOVER- SETTING THE TEMPORARY MEMORY Indicator lamp H/O indicates switching 1. Indicator lamp H/O must be off. on or off the function of keypad MEM. 1. Setting the temporary memory 2.

  • Page 55: Resetting And Deleting The Temporary Memory

    ELECTRONIC ENGINE GOVERNOR RPM7 RPM8 RPM9 With such way set constant value (for RESETTING DELETING SETTING THE PERMANENT MEMORY example 1600 RPM) it is possible to set TEMPORARY MEMORY 1. Indicator lamp H/O must be off. the engine speed by means of hand or 1.

  • Page 56: Permanent Memory Recall - H/O Lamp Is Off

    ELECTRONIC ENGINE GOVERNOR RPM10 RPM11 RPM12 1. In case the minimal engine speed is values entered into PERMANENT MEMORY RECALL - H/O being entered it is not possible to permanent memory i.e. chosen minimal LAMP IS OFF enter the value higher than 1500 and maximal engine speed.

  • Page 57: Permanent Memory Recall - H/Olamp Is On

    ELECTRONIC ENGINE GOVERNOR RPM13 RPM14 RPM15 a - by hand throttle control i.e. by PERMANENT MEMORY RECALL - H/O MEMORY RESET - RETURN TO PE- interrupted pressing the keypads LAMP IS ON DAL CONTROL MIN or MAX. After loosening the 1.

  • Page 58: Setting The Entry And Exit Speed At Tillage And Enter To Memory

    ELECTRONIC ENGINE GOVERNOR RPM16 1. SETTING THE ENTRY AND EXIT 2. SETTING THE OPERATING SPEED 3. TILLAGE WITH OPERATING SPEED SPEED AT TILLAGE AND ENTER TO AND ENTER TO TEMPORARY ME- TEMPORARILY MEMORISED MEMORY MORY Since you entered the operating engine speed into the temporary memory no 1.

  • Page 59: Reset Of Temporary Memory And Recall Of Entry And Exit Speed Memory

    ELECTRONIC ENGINE GOVERNOR RPM16 4. RESET OF TEMPORARY MEMORY 5. RESET OF PERMANENT MEMORY, 6. TILLAGE WITH OPERATING SPEED AND RECALL OF ENTRY AND EXIT SETTING THE OPERATING SPEED TEMPORARILY MEMORISED SPEED MEMORY AND ITS TEMPORARY MEMORISING Activities that are mentioned in point 6 are equal to point 3.

  • Page 60: Setting The Pto Speed

    ELECTRONIC ENGINE GOVERNOR RPM17 1. SETTING THE PTO SPEED 2. SETTING THE CONSTANT TRAVEL 3. PTO SPEED ENGAGEMENT AND SPEED SETTING THE PTO SPEED FOR 540 Choose the PTO speed 540 or 1000 OR 1000 RPM RPM by the end of rear PTO shaft. 1.

  • Page 61: Temporary Memorising The Pto Speed

    ELECTRONIC ENGINE GOVERNOR RPM17 4. TEMPORARY MEMORISING THE 5. MANOEUVRING WITH TRACTOR PTO SPEED RESET TEMPORARY MEMORY 1. Press the keypad MAX. Indicator lamp H/O turns on. 1. Disengage the PTO shaft when manoeuvring the tractor with imple- Since this the set engine speed cor- ment.
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  • Page 63: Operation

    OPERATION Page Before starting ......................65 Starting the engine equipped with glow plugs ............65 Starting the engine equipped with electronic thermostart ......... 66 If engine doesnřt start....................67 Forbidden starts ......................67 ∗ Coolant heater ......................68 Starting the engine with coolant heater ..............68 Immediately after starting ..................
  • Page 64 OPERATION Page Free space round cardan shaft ................. 79 Stopping the tractor - parking brake ................80 Stopping the engine ....................80 Leaving the tractor ....................80...

  • Page 65: Before Starting

    OPERATION F 82 F 83 F 84 BEFORE STARTING STARTING THE ENGINE EQUIPPED glow plugs. Let repair the indicated failure in a specialized workshop. WITH GLOW PLUGS Before starting the engine be 6. Wait until the indication lamp is off. sure that Tractors Z 8621 - 10641 are equipped 7.

  • Page 66: Starting The Engine Equipped With Electronic Thermostart

    OPERATION F 85 F 86 F 87 STARTING THE ENGINE EQUIPPED 1. Insert the key into the key switch 8. Release the key immediately after ("0" position). starting the engine. Do not start WITH ELECTRONIC THERMOSTART 2. Depress the clutch pedal. longer time then 10 sec.

  • Page 67: If Engine Doesnřt Start

    OPERATION F 88 F 89 IF ENGINE DOESN’T START FORBIDDEN STARTS Wait 30 seconds. Turn the key into po- It is forbidden to start the sition "0" and repeat starting. tractor by short circuit of Never help stopping starter motor connectors. engine by starter motor.

  • Page 68: Coolant Heater

    OPERATION F 90 F 91 STARTING THE ENGINE WITH COOLANT HEATER ∗ COOLANT HEATER Heater enables starting the engine at low ambient temperature by preheating the Coolant heater is assembled into engine coolant. The electrical installation and its protection against electrical shock hazard block as an option.

  • Page 69: Immediately After Starting

    OPERATION F 92 F 93 IMMEDIATELY AFTER STARTING PREHEATING THE ENGINE After starting set the engine Continue with farther preheating the engine already while driving. Warming speed to 800 up to 1000 RPM up the engine by long idle run or fast increase of speed is dangerous for the and let the engine idle for 3 engine.

  • Page 70: Gear Shifting

    OPERATION F 94 F 95 F 96 GEAR SHIFTING REVERSOR LEVER SHIFTING THE ROAD AND REDUCED SPEEDS Tractors are equipped with four speed You select the tractor direction by synchronized gearbox, three stage reversor shifting lever (forward, reverse). Road speeds power shift - Hi-Lo (torque multiplier) Forward speed (24 speeds) neutral...

  • Page 71: Shifting From Lower To Higher Gear Speed

    OPERATION F 97 F 98 F 99 SHIFTING FROM LOWER TO HIGHER SHIFTING FROM HIGHER TO LOWER THREE STAGE HI-LO (TORQUE MUL- GEAR SPEED GEAR TIPLIER) Depress clutch pedal (clutch Depress the clutch pedal and shift the Three stage Hi-Lo standard disengaged).

  • Page 72: Indication Of Hi-Lo Function

    OPERATION F 100 F 101 F 102 2xH Travel speed increased by two INDICATION OF HI-LO FUNCTION HI-LO SHIFTINNG stages The particular shifted stages of Hi-Lo Travel speed increased 2xL Travel speed decreased by two (H,M,L) are indicated by indicator lamps Travel speed decreased stages with symbols of turtles.

  • Page 73: Acceleratig The Tractor

    OPERATION F 103 ACCELERATIG THE TRACTOR increasing, continue with smooth releasing the clutch. 1. Select road or reduced gear. 11. Fully release the parking brake. 2. Depress the clutch pedal. 12. Accelerate smoothly and slowly. 3. Shift the main shifting lever and Fast acceleration cause...

  • Page 74: Driving Uphill

    OPERATION F 104 F 105 F 106 DRIVING UPHILL DRIVING DOWNHILL SERVICE BRAKES Shift from higher to lower speed Driving downhill without the shif- Service brakes are of disc wet type, in time when going uphill, to ted gear is forbidden. If driving hydraulically actuated with double pedal, avoid dropping the engine speed down the long hill, shift so low...

  • Page 75: Front Drum Brakes

    OPERATION F 107 F 108 F 109 FRONT DRUM BRAKES AIR TRAILER BRAKES ∗ FRONT CARDAN BRAKE Front drum brakes are assembled on The control of air trailer brake is Front cardan brake is assembled on tractors with front non-driven axle tractors with front driving axle as an synchronized with tractor brake control...

  • Page 76: Be Familiar With Shifting Warning Device Of Air Pressure Drop

    OPERATION F 110 F 111 F 111a WARNING DEVICE OF AIR PRES- AIR TANKS ∗SINGLE AND DOUBLE HOSE AIR SURE DROP BRAKES Tractors are equipped with an air tank of capacity 12 l as a standard. The air tank Dropping of air pressure under critical I - Coupling of single hose air brake is located on the right side of tractor in margin 450 kPa is indicated by red...

  • Page 77: Single Hose Air Trailer Brakes

    OPERATION F 112 F 113 SINGLE HOSE AIR TRAILER BRAKES DOUBLE HOSE TRAILER BRAKES Operating pressure is set by a pressure valve (regulator) adjusted to 600 Operating pressure is set to 740 kPa. Capacity of both air tanks is 24 l. kPa Capacity of air tanks is 24 l.

  • Page 78: Hydraulic Trailer Brakes

    OPERATION F 114 HYDRAULIC TRAILER BRAKES Hydraulic trailer brake control is synchronized with braking the tractor including the braking effect. Operating pressure is activated by pressure of oil from hydraulic pump (1). The hydraulic valve (2) is introduced in the circuit of hydraulic pump. The hydraulic pump is of gear type (pump can not be disengaged).

  • Page 79: Control Of Front Driving Axle

    OPERATION F 116 F 117 F 117a CONTROL OF FRONT DRIVING AXLE DRIVING WITH ENGAGED FRONT FREE SPACE ROUND CARDAN DRIVING AXLE SHAFT Front driving axle is engaged in basic position (indicator lamp is “ON„). It is Use the front driving axle when Ensure the free space minimally disengaged switch...
  • Page 80 OPERATION F 118 F 119 A 120 STOPPING THE TRACTOR - PARKING STOPPING THE ENGINE LEAVING THE TRACTOR BRAKE Engine must be cooled after work with Key can be turned from "I" position into fully loaded tractor. "0" position at stopped tractor only At normal conditions stop the tractor 1.
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  • Page 83: Tractor Running In

    TRACTOR RUNNING IN Page General rules for running in the new tractor within first 100 hours ......84 First 10 hours ......................84 After 10 hours......................85 After 10 hours......................85 After 50 hours......................85 After 70 hours......................86 After 70 hours......................86 After 70 hours......................
  • Page 84 TRACTOR RUNNING IN F 121 F 122 GENERAL RULES FOR RUNNING IN - use a similar process also after FIRST 10 HOURS general repair of engine. THE NEW TRACTOR WITHIN FIRST - run tractor transport 100 HOURS operating - tighten front and rear wheel nuts by Within the first 100 operating hours: prescribed torque - load the engine normally...
  • Page 85 TRACTOR RUNNING IN F 123 F 124 F 125 AFTER 10 HOURS AFTER 10 HOURS AFTER 50 HOURS We recommend to drain or suck off the Remove clean magnetic At tractors Z 11641 drain the hot preheated oil from transmission and to element (1) and strainer element of running in oil from engine and filter it by means of filtration device with...
  • Page 86 TRACTOR RUNNING IN F 126 F 127 F 128 AFTER 70 HOURS AFTER 70 HOURS AFTER 70 HOURS At tractors Z 8621 - 10641drain the hot Check the torque of cylinder head (at the Remove and clean: oil from engine and exchange the full- cold engine, by prescribed torque in - magnetic element of transmission flow engine oil filter.
  • Page 87 TRACTOR RUNNING IN F 129 F 130 AFTER 100 HOURS AFTER 100 HOURS After running in you can work with the After running in you can work tractor without any restrictions. with the tractor without any The operating regime at tractors Z 8621 restrictions.
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  • Page 90 NOTE...

  • Page 91: Transportation

    TRANSPORTATION Strana Front hook ......................... 92 Trailer hitch ....................... 92 Mechanical mouth of trailer hitch ................92 Automatic mouth of trailer hitch ................. 93 Swinging drawbar...................... 93 Pick up hitch combined with drawbar ................ 94 Exchange of hook for drawbar .................. 94 Drawbar of combined pick up hitch ................

  • Page 92: Front Hook

    TRANSPORTATION F 132 F 133 F 134 FRONT HOOK TRAILER HITCH MECHANICAL MOUTH OF TRAILER HITCH Front hook is used only for pulling the Trailer hitch is used for attaching the tractor that is without any attached trailer four-wheel trailers or light two-wheel Hitch pin diameter is 30 mm.

  • Page 93: Automatic Mouth Of Trailer Hitch

    TRANSPORTATION F 135 F 136 AUTOMATIC MOUTH OF TRAILER SWINGING DRAWBAR HITCH Swinging drawbar can be set side to side in 5 positions by 80 mm. Drawbar is For attaching the trailer do the following - fixed by the clevis in desired position. pull out the latch (1) and simultaneously The drawbar can be longitudinally set in raise the main hitch pin (3) into its upper...

  • Page 94: Pick Up Hitch Combined With Drawbar

    TRANSPORTATION F 138 F 139 F 140 PICK UP HITCH COMBINED WITH EXCHANGE OF HOOK FOR DRAW- DRAWBAR OF COMBINED PICK UP DRAWBAR HITCH Pick up hitch is intended for coupling the The hitch is also equipped with drawbar Maximal vertical static load is 12 kN. two-wheel trailers with yoke corres- that is in the opposite side of hitch hook.

  • Page 95: Mechanical Unlock Of Carrier Hooks

    TRANSPORTATION F 141 F 142 F 143 MECHANICAL UNLOCK OF CARRIER 6. Hooks snap under pins; afterwards HYDRAULIC UNLOCK OF CARRIER lower hydraulic arms a little. HOOKS HOOKS 7. Telescopic links must not be Carrier hooks are unlocked by lever At tractors equipped with ∗...

  • Page 96: Drawbar

    TRANSPORTATION F 143a F 144 F 145 4. Apply the back-pressure into hydra- DRAWBAR TRAILER IMPLEMENTATION ulic cylinder within lowering opera- Drawbar is height adjustable by the Tractor must be implemented only with tion. Carrier hooks come back into hydraulic lifting system within its hole suitable tractor trailer because tractor their operating position by this way.
  • Page 97 TRANSPORTATION Type Allowed vertical Type Allowed vertical static load static load 10 kN 12 kN 12 kN 5 kN Maximal weight of implemented braked trailer must not exceed value mentioned in warning tractor label and 24 kN value mentioned in a technical license of vehicle. Maximal speed of implemented tractor is given by max.
  • Page 98 TRANSPORTATION Allowed load of pick up hitch at tractors Z 8621, Z 8641, Z 9621, Z 9641, Z 10641, Z 11641. Values are valid for tractor with f ront ballast weight according to the table, without ballast weight of rear wheels, at max. allowed load of rear axle Speed Tire Tractor Type...
  • Page 99 TRANSPORTATION Speed Tire Tractor Type Tractor equipment (km/h) (kN) Ballast weights (pcs) = total weight of Ballast weights - kg Front three point hitch + weight (16) = 456 kg 18,4-38 Front PTO Z 11641 without ballast weight of rear wheels 16,9-34 Weight in front of frame (1+2) = 90 kg Z 8621...
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  • Page 101: Driving The Agricultural Machines

    DRIVING THE AGRICULTURAL MACHINES Page Operating with PTO....................102 Control of front and rear PTO .................. 102 Rear PTO - shifting the independent and ground speed ......... 102 Shifting the independent speed of rear PTO ............103 PTO shaft ends ....................... 103 Front PTO - sense of speed ..................

  • Page 102: Operating With Pto

    DRIVING THE AGRICULTURAL MACHINES F 146 F 147 F 148 OPERATING WITH PTO CONTROL OF FRONT AND REAR PTO REAR PTO - SHIFTING THE INDEPEN- DENT AND GROUND SPEED Take care for proper assembly of all Front and rear PTO clutches are control- covers and guards when working with led electro-hydraulically.

  • Page 103: Shifting The Independent Speed Of Rear Pto

    DRIVING THE AGRICULTURAL MACHINES F 149 F 150 F 151 SHIFTING THE INDEPENDENT SPEED PTO SHAFT ENDS FRONT PTO - SENSE OF SPEED OF REAR PTO Speed (RPM) Shaft end Speed (RPM) Shaft end Independent speed of rear PTO is 540 and 1000 540 - 6 splines 1000...

  • Page 104: Pto Shafts - Covers

    DRIVING THE AGRICULTURAL MACHINES F 151a PTO SHAFTS - COVERS 1. PTO shaft cover - steel 2. PTO shaft cover 3. Front PTO shaft cover - ISO 4. PTO shaft cover 5. PTO shaft cover for trailer hitch After finishing the work protect PTO shaft by a cover.
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  • Page 107: Hydraulic System

    HYDRAULIC SYSTEM Strana Hydraulic system ..................... 108 Hydraulic pump ....................... 108 Hydraulic inner circuit ....................108 Inner circuit control lever ..................109 Control mode selection lever ................... 109 Response rate control lever ..................110 Electro-pneumatic control of hydraulic ..............110 Cab control switch ....................

  • Page 108: Hydraulic System

    HYDRAULIC SYSTEM F 152 F 153 F 154 HYDRAULIC SYSTEM HYDRAULIC PUMP HYDRAULIC INNER CIRCUIT Hydraulic system consists of inner and hydraulic pump At tractors Z 8621 - 10641 the hydraulic outer circuit. The hydraulic pump of gear disengaged. If the engine runs the inner circuit is controlled by the inner type delivers the pressure oil into hydraulic pump works.

  • Page 109: Inner Circuit Control Lever

    HYDRAULIC SYSTEM F 155 F 156 INNER CIRCUIT CONTROL LEVER CONTROL MODE SELECTION LEVER Inner circuit control lever controls: Lever has three positions marked by P, M, and D: a - lifting the implement into transport Position control - Implement attached in the three point hitch is automatically position (max.

  • Page 110: Response Rate Control Lever

    HYDRAULIC SYSTEM F 157 F 158 RESPONSE RATE CONTROL LEVER ELECTRO-PNEUMATIC CONTROL OF HYDRAULIC Lever controls the distributor in hydraulic This is an additional control of hydraulic that enables lifting the three-point hitch into valve and this divides the flow of oil to its highest position without changing the position of inner circuit control lever.

  • Page 111: Cab Control Switch

    HYDRAULIC SYSTEM F 159 F 160 F 161 CAB CONTROL SWITCH CONTROL SWITCH ON FENDER USE OF SWITCHES Cab control switch is used for lifting the Control switch fender makes Operator must stand outside the implement when turning the tractor in the attaching the implement easy.

  • Page 112: Hydraulic Outer Circuit

    HYDRAULIC SYSTEM F 162 F 163 HYDRAULIC OUTER CIRCUIT MAX. OIL CAPACITY SUPPLIED FROM HYDRAULIC OUTER OUTLETS Hydraulic outer circuit delivers the pres- Max. 12 litters of oil can be temporarily supplied from outer outlets for filling sure oil into hydraulic implements con- the hydraulic cylinders of attached implements.

  • Page 113: Rear Outlets Of Hydraulic Outer Circuit

    HYDRAULIC SYSTEM F 163a F 163b F 163c REAR OUTLETS HYDRAULIC Location of quick-couplers corresponds Location of quick-couplers corresponds to tractor hydraulic equipment with two to tractor hydraulic equipment with OUTER CIRCUIT section SCV. electro-hydraulic and with three section In basic version the outlets of hydraulic SCV.

  • Page 114: Outer Circuit Control Lever

    HYDRAULIC SYSTEM F 164 F 165 OUTER CIRCUIT CONTROL LEVER CONTROL SINGLE-ACTING HYDRAULIC CYLINDER Control lever has three positions marked on label. Pressure is in quick-coupler No "1", quick-coupler No "2" is connected with Single-acting hydraulic cylinder is ever return line. Lever is moved into its rear margin position. The lever must be connected with quick-coupler No "1": kept in this position otherwise it is automatically turned into neutral position lifting...

  • Page 115: Control Of Double-Acting Hydraulic Cylinder

    HYDRAULIC SYSTEM F 166 F 167 F 168 CONTROL DOUBLE-ACTING CONTROL DOUBLE-ACTING OUTLETS OF FRONT OUTER CIRCUIT HYDRAULIC CYLINDER HYDRAULIC CYLINDER Front outlets are assembled on panel in the front right part of tractor. Front Double-acting hydraulic cylinder is noc- Outer circuit control lever must outlets are assembled together with nected with quick-coupler No "1"...

  • Page 116: Connection Of Machines And Implements To Hydraulic Outer Circuit

    HYDRAULIC SYSTEM CONNECTION OF MACHINES AND IMPLEMENTS TO HYDRAULIC OUTER CIRCUIT Connection of machines and implements combined with more parts Agricultural machines that are combined from more parts ( combinators, skids, and harrows), are often equipped with outer frames which are hinged to the middle frame.

  • Page 117: Selective Control Valve

    HYDRAULIC SYSTEM F 170 F 171 F 172 SELECTIVE CONTROL VALVE Control levers of SCV sections (A) are Selective control valve with two sections located on the right rear fender. Front is assembled on tractors with mecha- The SCV is intended for attached agri- outlets of outer circuit (B) or rear outlets nical control of hydraulic, each of them is cultural machines that need the separate...

  • Page 118: Four-Position Section

    HYDRAULIC SYSTEM F 173 F 173a F 173b Selective control valves with three FOUR-POSITION SECTION At two-section SCV the floating position sections are assembled on tractors is in a margin position of control lever Rear margin position equipped with electro-hydraulic, each of opposite to outer circuit of regulation Pressure oil flows to quick-coupler section is with four-position version.
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  • Page 121: Electro-Hydraulic

    ELECTRO-HYDRAULIC Page Schema of electro-hydraulic, EHR 4 - Bosch ............122 Location of electro-hydraulic control panel .............. 123 Function of control elements ................... 123 Pump capacity......................123 Device is switched off....................124 Cancellation of blocking ..................124 Fast lowering ......................125 Transportation of implements ..................

  • Page 122: Schema Of Electro-Hydraulic, Ehr 4 - Bosch

    ELECTRO-HYDRAULIC SCHEMA OF ELECTRO-HYDRAULIC, EHR 4 - BOSCH Hydraulic pump (1) delivers oil into the selective control valve (2) from this into the regulation distributor (3). Distributor controls cylinders of hydraulic arms (4,5). Hydraulic arms are linked with lower lifting links of three point hitch. Agricultural implement attached in the three point hitch is lifted, lowered or kept in the desired position with regard to the...

  • Page 123: Location Of Electro-Hydraulic Control Panel

    ELECTRO-HYDRAULIC F 176 F 177 LOCATION OF ELECTRO-HYDRAULIC FUNCTION OF CONTROL ELEMENTS PUMP CAPACITY CONTROL PANEL 1. Lifting control lever has 4 positions: Tractor with EHR BOSCH is equipped with pump UC 20 with maximal delivery Electro-hydraulic control panel (1) is transport, lifting 60 l/min or UC 25 with maximal delivery located on the upper part of right fender.

  • Page 124: Device Is Switched Off

    ELECTRO-HYDRAULIC F 178 F 179 F 180 DEVICE IS SWITCHED OFF CANCELLATION OF BLOCKING After returning the lever (1) into position "c’ the three point hitch is moved into The key of key switch switches off the After switching on of the electrical position corresponding to setting the electrical system.

  • Page 125: Fast Lowering

    ELECTRO-HYDRAULIC F 181 F 182 F 183 FAST LOWERING TRANSPORTATION OF IMPLEMENTS STOP POSITION Lever (1) is in position "d" - free position. Move the lifting lever (1) into position "a" After moving the lever (1) into position You must keep the lever in this position. and lock it by lock lever (2).

  • Page 126: Limiting The Upper Position Of Three Point Hitch

    ELECTRO-HYDRAULIC F 184 F 185 F 186 LIMITING THE UPPER POSITION OF FIELD OPERATION Symbol of draft control THREE POINT HITCH Do actions according to the article ’ Cancellation of blocking„ and set the The upper position of three point hitch is desired position of elements depending limited by lever (5).

  • Page 127: Floating Position

    ELECTRO-HYDRAULIC F 187 F 188 F 189 FLOATING POSITION limited by a mechanical stop (by stop on BUTTONS HYDRAULIC REAR lift cylinder). OUTER CONTROL Position of control element (4) under Rear control must not be used in mark "F" and position of control element 1.
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  • Page 133: Hitches

    HITCHES Page (A) rear three point hitch ..................134 (b) rear three point hitch with hook ends - cbm ............134 Safety regulations for working with three point hitch ..........135 Attaching machines to three point hitch ..............135 Attaching machines to three point hitch with cbm hooks ........136 Locking the side swing of lower links ..............

  • Page 134: (A) Rear Three Point Hitch

    HITCHES (A) REAR THREE POINT HITCH Rear three point hitch is intended for attaching the carried or semi-carried agricultural machines and implements with hitch points of category II according to ISO regulation. The center distance of lower link joint balls is 870 mm. The inner opening of lower link ball is 28,5 mm.

  • Page 135: Safety Regulations For Working With Three Point Hitch

    HITCHES F 192 F 193 SAFETY REGULATIONS ATTACHING MACHINES TO THREE POINT HITCH WORKING WITH THREE POINT HITCH The left lift link (1) is intended for course vertical adjustment of lower link position and is adjustable after disconnecting its upper end from lift arm pin. Fine adjustment Non authorized persons who are is carried out by turning the tube of right lift link (2) with handle.

  • Page 136: Attaching Machines To Three Point Hitch With Cbm Hooks

    HITCHES F 194 F 195 ATTACHING MACHINES TO THREE POINT HITCH WITH CBM HOOKS LOCKING SIDE SWING LOWER LINKS Lower and upper links of hitch are equipped with semi-automatic ends -CBM. They serve for easy, two-phase attaching and disattaching the implement to Insert the pin (1) into opening II the three point hitch without necessary direct action of the driver.

  • Page 137: Telescopic Lower Draft Links

    HITCHES „F 196 F 197 Both stabilizers must always be assembled on the tractor. Both must be set TELESCOPIC LOWER DRAFT LINKS by the same way with the same position of pins either both blocked or both Telescopic lower links make attaching unblocked.

  • Page 138: Top Link

    HITCHES F 198 F 199 F 199a TOP LINK TOP LINK SELECTION OF TOP LINK POSITION Top link (1) is length adjustable within Pay attention to keep the same Attachment of top link into one from range 270 mm. This is attached to the length of joints screwed out from openings 1 - 4 influences the following: tractor into one from four openings of...

  • Page 139: Front Three Point Hitch

    HITCHES F 200 F 201 F 202 FRONT THREE POINT HITCH CONTROL OF FRONT THREE POINT ADJUSTING THE BACK THROTTLE HITCH VALVE Front three point hitch is intended for attaching the front carried agricultural Front three point hitch is equipped with Adjusting the throttle valve is recom- machines and implements of category II two single-acting cylinders that are cont-...

  • Page 140: Attaching The Carried Implements, Eventually Weights Of Front Three Point Hitch

    HITCHES F 203 F 204 F 205 ATTACHING THE CARRIED IMPLE- MECHANICAL LOCK FRONT DRIVING WITH AGRICULTURAL MA- MENTS, EVENTUALLY WEIGHTS OF THREE POINT HITCH CHINES ATTACHED IN FRONT THREE FRONT THREE POINT HITCH POINT HITCH Mechanical lock of front three point hitch is carried out by means of lock pins (1) The implement is attached into the front Reduce the travel speed of tractor when...

  • Page 141: Front Three Point Hitch For Z 11641 Forterra

    HITCHES F 206 F 207 F 208 FRONT THREE POINT HITCH CONTROL OF FRONT THREE REGULATING AND HYDRAU- FOR Z 11641 FORTERRA POINT HITCH LIC LOCK OF FRONT THREE POINT HITCH Front three point hitch is intended for Front three point hitch is equipped with attaching the front carried agricultural two double-acting cylinders that are The throttle valve can regulate lowering...

  • Page 142: Setting The Throttle Valve

    HITCHES F 209 F 210 F 211 SETTING THE THROTTLE VAL- ATTACHING CARRIED DRIVING WITH AGRICULTU- IMPLEMENT RAL MACHINES ATTACHED IN FRONT THREE POINT HITCH Before starting the work with implement The implement is attached into the front attached in front three point hitch it is three point hitch forks and is locked by Reduce the travel speed of tractor when recommended to set the throttle valve...
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  • Page 145: Wheel Tread Setting

    WHEEL TREAD SETTING Page Blocking and unblocking the front axle knees (extensions) ........146 Setting the front wheel tread at non-driven axle ............147 Setting the front axle knees (extensions) ..............147 Possible wheel treads at front driving axle of tractors Z 8641, Z 9641, Z 10641 and Z 11641 ........................

  • Page 146: Blocking And Unblocking The Front Axle Knees (Extensions)

    CHANGE OF WHEEL TREAD ’ SPRUNG AXLE KNEES (EXTENSIONS) F 263 F 264 BLOCKING AND UNBLOCKING THE FRONT AXLE KNEES (EXTENSIONS) Block and unblock the sprung axle knee in loaded status only Blocking: (by the own weight of tractor). - Unscrew the plug (1). Safe it for assembling at later unblocking. Kingpin of wheel is shot up by - Screw down the stop tube (3) with lock washer (4) into the thread hole of spring the force of spring after un-...

  • Page 147: Setting The Front Wheel Tread At Non-Driven Axle

    CHANGE OF WHEEL TREAD F 212 F 213 SETTING THE FRONT WHEEL TREAD SETTING THE FRONT AXLE KNEES (EXTENSIONS) AT NON-DRIVEN AXLE First of all fix the tractor against possible movement, lift the axle by lifting jack and support it. The front wheel tread can be set to the - Thread out axle knee nuts and remove the screws (1).

  • Page 148: Possible Wheel Treads At Front Driving Axle Of Tractors Z 8641, Z 9641, Z 10641 And Z 11641

    CHANGE OF WHEEL TREAD Changing of rim and disc position sets POSSIBLE WHEEL TREADS AT FRONT DRIVING AXLE OF TRACTORS Z 8641, the wheel tread. Z 9641, Z 10641 AND Z 11641 First of all fix the tractor against Tires possible movement, lift the axle 12,4-24 13,6-24...

  • Page 149: Front Wheel Toe-In At Non-Driven Axle

    SETTING THE FRONT WHEEL TOE-IN FRONT WHEEL TOE-IN AT NON- DRIVEN AXLE Correct toe-in of front wheels is 3 to 9 mm at tractor with non-driven axle. Check and eventually adjust the play of front wheel bearings before toe-in checking. Inflate tires to the prescribed pressure.

  • Page 150: Front Wheel Toe-In At Front Axles (Non-Driven, Driving)

    SETTING THE FRONT WHEEL TOE-IN FRONT WHEEL TOE-IN AT FRONT AXLES (NON-DRIVEN, DRIVING) - Turn the steering wheel between both margin positions so to have a lever of hydrostatic steering aligned with the longitudinal axis of tractor. - Loosen lock nuts of steering rod joints - Measure the distance between outer or inner sides of tires in front in the horizontal plain of wheel axis.

  • Page 151: Setting The Wheel Stops At Front Driving Axle

    SETTING THE WHEEL STOPS Without front three point hitch Without fenders With fenders Tires Wheel tread Right stop Left stop Right stop Left stop (mm) A (mm) A (mm) A (mm) A (mm) 12,4- R24 1565 1715 1865 380/70R24 1630 13,6-R24 1700 1850...

  • Page 152: Change Of Rear Wheel Tread

    CHANGE OF WHEEL TREAD F 217 F 218 CHANGE OF REAR WHEEL TREAD REAR WHEEL TREAD SETTING On the base of rear tire dimension, the The rear wheel treads are adjustable by step 75 mm and are set by changing the rim rear wheel tread can be set within the and disc position.
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  • Page 155: Balast Weights

    BALLAST WEIGHTS Page Front ballast weights ....................156 Ballast weights of front three point hitch ..............156 Rear wheel ballast weights ..................157 Bottom ballast weights of tractors z 11641 ............. 157 Front ballast weights of tractors z 11641 ..............157 Valve for filling tires with liquid ................

  • Page 156: Front Ballast Weights

    BALLAST WEIGHTS F 219 F 220 F 221 FRONT BALLAST WEIGHTS BALLAST WEIGHTS FRONT the heavy implement is attached in the rear three point hitch. THREE POINT HITCH Under frame ballast weights (1) Weights (1) Only rounded ballast weights can Combination of Weight Combination of...

  • Page 157: Rear Wheel Ballast Weights

    BALLAST WEIGHTS F 222 F 223 F 224 REAR WHEEL BALLAST WEIGHTS BOTTOM BALLAST WEIGHTS FRONT BALLAST WEIGHTS OF OF TRACTORS Z 11641 TRACTORS Z 11641 Combination Weight Bottom ballast weights Front ballast weights of weights (kg) Combination of Weight Combination of Weight (PCs)

  • Page 158: Valve For Filling Tires With Liquid

    FILLING LIQUID INTO TIRES F 225 F 226 VALVE FOR FILLING TIRES WITH FILLING THE LIQUID INTO TIRES LIQUID - Unload the tire by lifting the tractor and turn it with the valve upward (A). - Deflate the tube and remove the valve insert. All rear wheel tubes are equipped with - Thread the adapter for filling the tires with water and slide the water hose over valve that enables filling tires with liquid...

  • Page 159: Draining The Liquid From Tires

    FILLING LIQUID INTO TIRES F 227 F 228 DRAINING THE LIQUID FROM TIRES BLOCKING FRONT WHEELS - Unload tire by lifting the tractor and turn it with valve upward (A). Do not forget to block front - Deflate the tube and remove the valve insert. Turn the wheel with valve wheels against movement before downward.

  • Page 160: Max. Liquid Weight Depending Upon Tire Size

    FILLING LIQUID INTO TIRES MAX. LIQUID WEIGHT DEPENDING UPON TIRE SIZE Tire size Filling 75% Solution of calcium chloride Clear water (l), (kg) CaCl (kg) water (l) Additional load (kg) 16,9-34 16,9-38 18,4-34 18,4R-38 480/70R38 18,4-38 520/70R38 Values mentioned in table are for temperature of freeze - 30°C. Preparation of liquid: 1.
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  • Page 163: Maintenance Instructions

    MAINTENANCE INSTRUCTIONS Page Disassembling the side shield ................. 165 Tilting the hood......................165 Disassembling the front grill ..................165 Lubrication schema of turbocharged engine ............166 Lubrication schema of six cylinder engine .............. 167 Inspecting the engine oil level ................. 168 Draining the engine oil ....................
  • Page 164 MAINTENANCE INSTRUCTIONS Page Operating pressure of air brakes ................181 Tire maintenance ....................182 Inflating the tires ..................... 182 Recommended tire inflation pressure for front wheels ..........183 2wd tractors ......................183 Recommended tire inflation pressure for front wheels ..........184 4wd tractors ......................

  • Page 165: Disassembling The Side Shield

    MAINTENANCE INSTRUCTIONS F 229 F 230 F 231 DISASSEMBLING THE SIDE SHIELD TILTING THE HOOD DISASSEMBLING THE FRONT GRILL Right and left side shield can be re- 1. Remove the left side shield (1) 1. Tilt the hood. moved from the tractor after unlocking of 2.

  • Page 166: Lubrication Schema Of Turbocharged Engine

    MAINTENANCE INSTRUCTIONS LUBRICATION SCHEMA OF TURBO- CHARGED ENGINE Lubrication schema is valid for engines of tractors Z 8621 - Z 10641 Forterra turbo. 1. Suction strainer 2. Oil pump -GEROTOR 3. Reduction valve 4. Full-flow oil filter 5. Main oil channel 6.

  • Page 167: Lubrication Schema Of Six Cylinder Engine

    MAINTENANCE INSTRUCTIONS LUBRICATION SCHEMA CYLINDER ENGINE Lubrication schema is valid for six cylinder engine of tractor Z 11641 Forterra. 1. Oil pump with reduction valve 2. Oil filter 3. Main oil channel 4. Spraying nozzle for cooling the piston 5. Lubrication outlet 6.

  • Page 168: Inspecting The Engine Oil Level

    MAINTENANCE INSTRUCTIONS F 234 F 235 F 236 INSPECTING THE ENGINE OIL LEVEL DRAINING THE ENGINE OIL CHANGING FULL-FLOW CLEANER OF ENGINE OIL Daily inspect the oil level before starting Drain the oil by removing the draining the work. Inspect the oil level with tractor plug.

  • Page 169: Filling The Engine Oil

    MAINTENANCE INSTRUCTIONS F 237 F 238 F 239 FILLING THE ENGINE OIL CHANGING FUEL CLEANER CHANGING FUEL COURSE CARTRIDGE CLEANER Fill the prescribed quantity of oil into the filler (1). Start the engine and let it run 2 Exchange the fuel cleaner cartridge after Remove the ring nut (1) and the fuel to 3 minutes at 750 to 800 RPM.

  • Page 170: Bleeding The Fuel System

    MAINTENANCE INSTRUCTIONS F 240 F 241 BLEEDING THE FUEL SYSTEM MAINTENANCE OF AIR CLEANER Put the suitable vessel under the engine before bleeding to ketch dropping fuel from Maintenance of air cleaner must be done the cleaner and injection pump. after indication of clogging by clogging Proceed by the following way: indicator (the red indicator lamp on...

  • Page 171: Regeneration Of Main Air Filter Element

    MAINTENANCE INSTRUCTIONS F 242 F 243 F 244 REGENERATION MAIN CHANGING THE SAFETY ELEMENT REASSEMBLING THE ELEMENTS FILTER ELEMENT Inner safety air filter element can Be careful when reassembling the air not be regenerated. filter element to: If the main air filter element is not - keep the contact surfaces clean damaged (dust on the inner side of air - air filter elements must not be de-...

  • Page 172: Position Of Dust Valve

    MAINTENANCE INSTRUCTIONS F 245 F 246 POSITION OF DUST VALVE TIGHTNESS OF CLEANER After assembling the elements close the After assembling the rubber sealing cleaner by dust reservoir that must be tighten the nut that way to press the assembled that way the dust valve is sealing on the curtain by dust reservoir downward.

  • Page 173: Changing The Cleaner Element Of Hydrostatic Steering

    MAINTENANCE INSTRUCTIONS F 247 F 248 F 249 CHANGING THE CLEANER ELEMENT 6. Remove the oil tank cap 11. Fix the tractor against movement and 7. Remove the cleaner element. lift the front axle. OF HYDROSTATIC STEERING 8. Install the new cleaner element 12.

  • Page 174: Bleeding The Hydrostatic Steering System

    MAINTENANCE INSTRUCTIONS F 250 F 251 BLEEDING THE HYDROSTATIC STEERING SYSTEM At all actions within bleeding look at the oil level in tank to avoid - Start the engine and let it run for 1 minute at low idle. aerating of steering system. - Turn the steering wheel several times to both directions (A) at engine low idle run.

  • Page 175: Changing The Hoses Of Hydrostatic Steering

    MAINTENANCE INSTRUCTIONS F 252 CHANGING THE HOSES OF HYDROSTATIC STEERING Hydrostatic steering hoses must be exchanged after four years from time of manufacturing (time is marked on hose surface) or after 3 600 hours of tractor operation, eventually immediately after founding any symptoms of damage i.e. hose sweating, local bulging, leakage of oil at fittings and on hose surface, mechanical damage of hose surface up to steel wire cord or damage of yarn braid at low pressure hoses).

  • Page 176: Driver Alone Can Do Almost Any Work On Changing The Coolant

    MAINTENANCE INSTRUCTIONS F 253 F 254 F 255 CHANGING THE COOLANT - Add the coolant in expansion tank up Never fill the cooling circuit by to mark "MAX". water only! another Keep the following instruction: The minimal possible coolant level is coolant can damage the engine.

  • Page 177: Planned Technical Maintenance. If You Changing And Inspecting The Transmission Oil

    MAINTENANCE INSTRUCTIONS F 256 F 257 F 258 CHANGING AND INSPECTING THE DRAINING OPENINGS AND PLUGS AFTER DRAINING THE OIL TRANSMISSION OIL 1 - Oil from clutch housing - Clean magnetic element (1) and 2 - Oil from gearbox strainer (2). The oil level is inspected by oil dipstick 3 - Oil from differential case - Exchange the paper cartridge (3).

  • Page 178: Authorized Service Lubricating And Filling Points Of Front Driving Axle

    MAINTENANCE INSTRUCTIONS F 259 F 260 LUBRICATING AND FILLING POINTS OF FRONT DRIVING AXLE GEARBOX OF FRONT PTO 1. Lubricating nipple of kingpin 1. filling opening 2. Sliding bearing (2x) of front driving axle 2. draining opening 3. Filling and checking opening of differential housing 4.

  • Page 179: Cleaning, Lubrication And Adjust-Filling Up The Brake Fluid

    MAINTENANCE INSTRUCTIONS F 261 F 262 FILLING UP THE BRAKE FLUID SPRUNG KNEES OF FRONT AXLE Brake fluid tank is located after tilting the The sprung knees can be blocked for bonnet hood. operation requiring higher load of front Maintain the brake fluid level within 3/4 axle than allowed for sprung execution (max.

  • Page 180: Machine Must Be Done Only After Cleaning The Heating Filters

    MAINTENANCE INSTRUCTIONS F 265 F 266 F 267 CLEANING THE HEATING FILTERS MAINTENANCE AIRCONDI- Within the right function of AC the air humidity is condensed in the roof space TIONING Filters are located under grills above the of cab. Condensed water is drained by front windshield from outside of the cab.

  • Page 181: Other Moving Parts, Except In-Draining The Condensed Water From Air Tanks

    MAINTENANCE INSTRUCTIONS F 268 F 269 F 270 DRAINING THE CONDENSED WATER CHECKING THE LEAKAGE OF AIR OPERATING PRESSURE FROM AIR TANKS SYSTEM BRAKES Drain the condensed water by inclining - Fill the air tank to the max. pressure At single and double hose brakes the or pressing the protruded part of valve.

  • Page 182: Tire Maintenance

    MAINTENANCE INSTRUCTIONS F 271 F 272 TIRE MAINTENANCE INFLATING THE TIRES Regularly check the outer surface of Basic values of recommended inflation pressure are mentioned in the following tires and verify that tires are without tables. Regularly check for the inflation pressure before operation. Check the defects in the side part and that the cord inflation pressure at cold tires.

  • Page 183: Recommended Tire Inflation Pressure For Front Wheels

    MAINTENANCE INSTRUCTIONS RECOMMENDED TIRE INFLATION PRESSURE FOR FRONT WHEELS Sum of load capacity for both tires used at front axle must not exceed allowed axle load capacity. Values of allowed axle load capacity is mentioned in main technical parameters of the particular type of tractor. Tires of different design must not be assembled on the same axle of tractor.

  • Page 184: Recommended Tire Inflation Pressure For Front Wheels

    MAINTENANCE INSTRUCTIONS RECOMMENDED TIRE INFLATION PRESSURE FOR FRONT WHEELS Sum of load capacity for both tires used at front axle must not exceed allowed axle load capacity. Values of allowed axle load capacity is mentioned in main technical parameters of the particular type of tractor. Tires of different design must not be assembled on the same axle of tractor 4WD TRACTORS Tire size and design...

  • Page 185: Recommended Tire Inflation Pressure For Rear Tires

    MAINTENANCE INSTRUCTIONS RECOMMENDED TIRE INFLATION PRESSURE FOR REAR TIRES Sum of load capacity for both tires used at rear axle must not exceed allowed axle load capacity. Values of allowed axle load capacity is mentioned in main technical parameters of the particular type of tractor. Tires of different design must not be assembled on the same axle of tractor.

  • Page 186: Tires For Non Driven Wheels

    MAINTENANCE INSTRUCTIONS When loading the tractor, the allowed axle load capacity of axles must not exceed the allowed load capacity mentioned in main technical parameters of the particular type of tractor. Change of tire load from the basic value is mentioned in the following tables.
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  • Page 189: Adjustment

    ADJUSTMENT Page Inspecting the tension of engine belt ..............190 Tension of engine belt ..................... 190 Tightening the cylinder heads ................. 190 Adjustment of valve clearance ................191 Adjustment of valve clearance ................191 Adjustment of injectors .................... 191 Adjustment of injectors .................... 192 Adjustment of brake pedal free travel ..............

  • Page 190: Inspecting The Tension Of Engine Belt

    ADJUSTMENT F 273 F 274 F 275 INSPECTING THE TENSION OF ENGI- TENSION OF ENGINE BELT TIGHTENING THE CYLINDER HEADS NE BELT Cylinder heads are tightened at cold engine in the prescribed sequence. The correct tension of each belt is as- At tractors Z 11641 the correct tension is sured when the belt is deflected 7,5 mm when the belt is deflected 25 mm after...

  • Page 191: Adjustment Of Valve Clearance

    ADJUSTMENT F 276 F 277 F 278 ADJUSTMENT VALVE CLEA- ADJUSTMENT VALVE ADJUSTMENT OF INJECTORS RANCE CLEARANCE The opening pressure of injectors is 22,0 - 0,8 MPa. Adjust the pressure to the Engine valve clearance is adjusted at At tractors Z 11641 the engine valve upper limit of tolerance (22,0 MPa) by cold engine.

  • Page 192: Adjustment Of Injectors

    ADJUSTMENT F 279 F 280 ADJUSTMENT OF INJECTORS ADJUSTMENT OF BRAKE PEDAL FREE TRAVEL The correct play between piston rod of tractors Z 11641 opening brake pedal and piston of main brake pressure of injectors is 18 MPa. If the valve is 0,5-1,0 mm.

  • Page 193: Bleeding The Service Brake System

    ADJUSTMENT F 281 F 282 BLEEDING THE SERVICE BRAKE SYSTEM Check the brake fluid level in the brake fluid tank when bleeding to avoid Bleed the system with unlatched pedals separately for each wheel. aerating the brake system (1). - Check the brake fluid level in the brake fluid tank. Add the missing volume with Keep the hose end permanently the new brake fluid up to max.

  • Page 194: Adjustment Of Clutch Pedal Free Travel

    ADJUSTMENT F 283 F 284 ADJUSTMENT OF CLUTCH PEDAL BLEEDING THE CLUTCH HYDRAULIC FREE TRAVEL CIRCUIT The play between pedal piston rod and Bleed the clutch hydraulic circuit by the clutch valve piston does not need to be same way as bleeding the rear brake adjusted - this is adjusted by producer.

  • Page 195: Bleeding The Front Cardan Brake

    ADJUSTMENT F 285 F 286 BLEEDING THE FRONT CARDAN BRAKE BLEEDING THE FRONT DRUM BRAKE Bleeding the brake system must be done at 4WD tractors equipped with cardan Bleeding the front drum brake can be brake. It is necessary to start step by step at both pairs of cardan brake cylinders. done only with right pressure in the air One pair of cardan brake cylinders has two went screws (1), the second pair has brake system.

  • Page 196: Inspection Of Service Brake

    ADJUSTMENT F 287 F 288 INSPECTION OF SERVICE BRAKE ADJUSTMENT OF SERVICE BRAKE Press unlatched pedals of service brake Before adjustment of service brake the parking brake lever must be in disbraked by maximal force approximately 500 N. position and there must be a play between nut (1) and pin (2) in lever of disc brake In case that pedal touches the stop, it is (3).

  • Page 197: Adjustment Of Parking Brake

    ADJUSTMENT F 290 ADJUSTMENT OF PARKING BRAKE Adjustment of parking brake follows after service brake adjustment. Parking brake lever must be in disbraked position. Adjust the parking brake so the lock nut (1) of parking brake link (2) touches the pin in disc brake lever (3). After this basic adjustment check for efficiency of parking brakes and for the brake effect of both wheels.

  • Page 198: Changing The Brake Segments Of Front Cardan Brake

    ADJUSTMENT F 291 F 292 CHANGING THE BRAKE SEGMENTS ADJUSTING THE FREE PLAY OF FRONT WHEEL TAPERED ROLLER OF FRONT CARDAN BRAKE BEARINGS AT TRACTORS Z 8621, Z 9621 Brake segments must be exchanged if - Fix tractor against movement, lift up and support the front axle. the thickness of lining is smaller than - Remove the bearing cover (1) and remove the cotter pin (2) from the castle nut 2mm.

  • Page 199: Adjusting The Lifting Links Of Pick Up Hitch

    ADJUSTMENT F 293 F 294 ADJUSTING THE LIFTING LINKS OF ADJUSTING THE PUSH-PULL CABLE PICK UP HITCH Adjust when the carrier with towing hook is in full contact with carrier hooks. The Chose the position control - "P" by hyd- push pull cable...
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  • Page 203: Electrical Installation

    ELECTRICAL INSTALLATION Page Electrical equipment ....................204 Basic service information ..................204 Battery........................205 Battery maintenance ....................205 Charging and maintaining the batery ..............206 Alternator......................... 208 Alternator maintenance ................... 208 Fuse box ......................... 209 Checking the adjustment of front mask headlights ..........210 Adjustment of front grill headlights ................

  • Page 204: Electrical Equipment

    ELECTRICAL INSTALLATION F 295 F 296 ELECTRICAL EQUIPMENT BASIC SERVICE INFORMATION Battery "minus" pole must be ever connected with the ground and "plus" pole con- Nominal voltage (minus nected with alternator. Vice versa connected battery destroys the complete electro- pole (-) grounded) 12 V nics of alternator.

  • Page 205: Battery

    ELECTRICAL INSTALLATION F 297 F 298 BATTERY Add distilled water only! Battery (1) is accessible after removing 1. First study the operator’s manual for working with batterry. the front grill of bonnet. 2. Safe your eyes by glasses or by safety shield! ∗...

  • Page 206: Charging And Maintaining The Batery

    ELECTRICAL INSTALLATION agent and destroy of battery case). density electrolyte CHARGING AND MAINTAINING THE Heavily discharged battery (density measured by densimeter. Every cell BATERY of electrolyte lower than 1,07 g/cm needs to be measured. A) Charging on the vehicle and out- might be frozen already at several side the vehicle Status of charging = density of...
  • Page 207 ELECTRICAL INSTALLATION 3. Intervals for checking the status of electrolyte are: when charging the battery or minimally once per 6 month, battery is maintained by adding the distilled water! If some electrical components per- manently connected even at discon- nected key switch (for example Warning) it is necessary to check the status of charging “...

  • Page 208: Alternator

    ELECTRICAL INSTALLATION F 299 F 300 ALTERNATOR ALTERNATOR MAINTENANCE Alternator is accessible after removing - Protect the alternator against penetration of water or diesel fuel when washing the right side shield. Charging status is and cleaning the tractor. indicated by the red indicator lamp on - Battery must be never disconnected from alternator within the operation! the instrument panel.

  • Page 209: Fuse Box

    ELECTRICAL INSTALLATION Position of fuse in fuse box Pos. Fuse Protected circuit size Hazard light interrupter, brake lights acoustic horn, outlet 30 of starter interlock relay front driving axle, diff. lock, front PTO w/ indicator lamps, diff. lock relay „3„, dashboard supply, plug socket for assembly lamp high beam head lights with indicator lamp...

  • Page 210: Checking The Adjustment Of Front Mask Headlights

    ELECTRICAL INSTALLATION F 302 F 303 CHECKING THE ADJUSTMENT OF FRONT MASK HEADLIGHTS ADJUSTMENT FRONT GRILL HEADLIGHTS Tractor must stand on horizontal ground and tires must be inflated to the specific pressure when checking on a testing wall. Basic vertical setting of grill headlights Adjust the light by means of both screws with low beam is adjusted with - 3,5 % tolerance from basic setting (measured at (1) for vertical and horizontal direction...

  • Page 211: Checking The Adjustment Of Cab Roof Headlights

    ELECTRICAL INSTALLATION F 304 CHECKING THE ADJUSTMENT OF CAB ROOF HEADLIGHTS Any point of illuminated surface on the left side of road must not be more far than 30 Light beams must be parallel with tractor axis in horizontal direction. Adjust the headlights at tractor with its shipping weight.

  • Page 212: Wiring Harness Diagram Of Tractor

    WIRING HARNESS DIAGRAM OF TRACTOR F 307 Poz. Location of bulb Voltage Power Socket Notice front asymmetric headlights 12 V 45/40 W cab roof asymmetric headlights 12 V 45/40 W (low beam connected) front combined headlights turning lights 12 V 21 W position lights 12 V...
  • Page 213 WIRING HARNESS DIAGRAM OF TRACTOR F 305...
  • Page 214 WIRING HARNESS DIAGRAM OF TRACTOR 1. Hazard light interrupter 34. Thermometer 2. Hazard lights 35. Failure indicator lamp 3. Headlight switch “ (main, position, 36. Blower off) 37. Air pressure indicator lamp 4. Combined toggle switch 38. Blower 5. Low beam headlight switch (roof-grill) 39.
  • Page 215 WIRING HARNESS DIAGRAM OF TRACTOR 1. Right roof headlight 2. Front wiper 3. Ground connector of front wiper 4. Ground connector of front headlight 5. Control panel of heating blower 6. Left roof headlight 7. Heating blower motor 8. Washer motor 9.
  • Page 216 NOTE...
  • Page 217 NOTE...
  • Page 218 NOTE...

  • Page 219: Planned Technical Maintenance

    PLANNED TECHNICAL MAINTENANCE Page Planned technical maintenance ................220 Used operation liquids and fluids ................228 Lubrication chart of tractor ..................232...
  • Page 220 PLANNED TECHNICAL MAINTENANCE INSPECTION TRACTOR MAINTENANCE After engine hours Inspection and maintenance operations ENGINE Engine oil exchange Every 200 hours Engine oil cleaner exhcange Every 200 hours Retightening the cylinder head nuts Valve clearance inspection and adjustment Inspection of engine lubrication pressure - after starting Every 10 hours Inspection for level and lubrication syst’...
  • Page 221 PLANNED TECHNICAL MAINTENANCE INSPECTION TRACTOR MAINTENANCE After engine hours Inspection and maintenance operations TRANSMISSION Transmission oil cleaner cartridge exchange Every 200 hours Cleaning the magnetic element and trans. oil trainer Every 200 hours ∗ Inspection for oil level in transmission Every 200 hours ∗...
  • Page 222 PLANNED TECHNICAL MAINTENANCE INSPECTION TRACTOR MAINTENANCE After engine hours Inspection and maintenance operations HYDRAULIC Greasing of top sensing torsion bar X X X X X X X X X X Greasing of top sensing lever Every 200 hours Greasing of lift assist cylinder pins Every 200 hours Greasing of telescopic control link Every 200 hours...
  • Page 223 PLANNED TECHNICAL MAINTENANCE INSPECTION TRACTOR MAINTENANCE After engine hours Inspection and maintenance operations ELECTRICAL INSTALATION Inspection for charging function Every 10 hours Inspect for status and function of electrical equipment and accessory Every 200 hours Inspection for charging voltage Inspection for battery electrolyte level Every 200 hours Cleaning the battery terminals and their conservation by vaseline Every 200 hours...
  • Page 224 PLANNED TECHNICAL MAINTENANCE INSPECTION TRACTOR MAINTENANCE After engine hours Inspection and maintenance operations ENGINE OF TRACTORS Z 11641 FORTERRA Exchange of running-in oil only after first 50 hours Engine oil exchange Every 150 hours Inspection for engine for engine oil level Every 10 hours First exchange of engine oil cleaner cartridge only after first 50 hours...
  • Page 225 PLANNED TECHNICAL MAINTENANCE Note : ∗ After first implementation of new tractor or at after general repair. 1- According to dustiness and uncleanness of intake air (straw etc.) every 50 to 200 hours 2- Clean daily when working with front attached machines if necessary in shorter periods 3- Max.
  • Page 226 PLANNED TECHNICAL MAINTENANCE ’ MIDDLE REPAIR This is carried out after 2400 hours. LUBRICATING THE ELEMENTS OF HYDRAULIC BRAKES At moving parts i.e. brake cylinders, clutch cylinders and brake AT TRACTORS Z 8621 - Z 10641 equaliser, coat the sliding surfaces from sealing rings in 1.
  • Page 227 PLANNED TECHNICAL MAINTENANCE ’ GENERAL REPAIR General repair of tractor must be done in case that its farther operation is not economical anymore. If many parts need repair and the complete technical status of tractor jeopardizes the safe operation. The middle life of engine and transmission is 6000 hours if all regulations for maintenance are kept according to the technical documentation of producer when working in normal climatic conditions and in even terrain.
  • Page 228 PLANNED TECHNICAL MAINTENANCE ’ USED OPERATION LIQUIDS Oils for turbocharged engines Z 8621 - 10641 Forterra turbo (tab. 1) Producer Oil trade mark Viscosity class API class Paramo Pardubice M7ADS III-TRYSK 20W/40 SF/CD+ Paramo Pardubice M7ADS III-TRYSK SUPER 15W/40 SG/CE Paramo Pardubice M7ADS IV-TRYSK SUPER TURBO 15W/40...
  • Page 229 PLANNED TECHNICAL MAINTENANCE ’ USED OPERATION LIQUIDS Oils for transmissions, front driving axle, front PTO gearbox (tab. 2) Z 8621 - 10641 Forterra turbo and Z 11641 Forterra Producer Oil trade mark Viscosity class API class SAE J 306 MAR 85 API, SAE J 308 NOV 82 Paramo Pardubice...
  • Page 230 PLANNED TECHNICAL MAINTENANCE ’ USED OPERATION LIQUIDS FLUIDS FOR HYDRAULIC BRAKES AND ENGINE CLUTCH Brake fluid SYNTHOL 205 yellow according to PND 31-656-80 (classification of fluid according to prescription ISO 4925 or SAE J 1703). The fluid is not suitable for arctic conditions. 1.
  • Page 231 NOTE...
  • Page 232 PLANNED TECHNICAL MAINTENANCE F 308...
  • Page 233 PLANNED TECHNICAL MAINTENANCE Poz. Lubrication point - inspection Fill sort Cooling system - antifreeze exchange Coolant Engine - oil exchange see (tab. 1) Steering oil tank see (tab. 4) Brake fluid tank Synthol 205 Transmission see (tab. 2) Driver„s seat (handle and seat rollers) PM - LA 2 Driver„s seat shock absorber Shock absorb oil...
  • Page 234 PLANNED TECHNICAL MAINTENANCE F 309...
  • Page 235 PLANNED TECHNICAL MAINTENANCE Poz. Lubrication points - check Fill kind Pick up hitch pin PM - LA 2 Brake amplifier pneumatic part PM - LA 2 hydraulic part WACKER Silicon paste P4 Weich * - add the water up to level marked on the battery case...
  • Page 236 PLANNED TECHNICAL MAINTENANCE ’ USED OPERATION LIQUIDS Used in Fill sort Z 8621- Z 11641 Z 10641 (in litters) (in litters) Coolant Z 8621 - Z 10641 Fridex Stabil (Fridol 91) + dimineralised 17,5 - 19,0• water 20,5 - 23,0•• Coolant Z 11641 Akros Fluid 18,5 l...
  • Page 237 NOTE...
  • Page 238 NOTE...

  • Page 239: Main Technical Parameters

    Technical data of engines at tractors Z 8621, Z 8641, Z 9621, Z 9641, Z 10641 ........................240 Technical data of engines at tractor Z 11641............242 Zetor 8621 Forterra turbo ..................245 Zetor 9621 Forterra turbo ..................245 Zetor 8641 Forterra turbo ..................255 Zetor 9641 Forterra turbo ..................
  • Page 240 MAIN TECHNICAL PARAMETERS TECHNICAL DATA OF ENGINES AT TRACTORS Z 8621, Z 8641, Z 9621, Z 9641, Z 10641 Tractor type Z 8621, 8641 Z 9621, Z 9641 Z 10641 Engine type 1203 1003 1303 Engine execution diesel, four stroke with direct fuel injection, turbocharged Engine execution in line, water-cooled Number of cylinders...
  • Page 241 MAIN TECHNICAL PARAMETERS TECHNICAL DATA OF ENGINES AT TRACTORS Z 8621, Z 8641, Z 9621, Z 9641, Z 10641 Injection pump Type PP4M10K1f3460 PP4M10K1f3459 PP4M10K1f3461 Nozzle DOP 150 S 428 - 4104 DOP 150 S 428 - 4104 DOP 150 S 428 - 4104 Injector opening pressure 22-0,8 22-0,8...
  • Page 242 MAIN TECHNICAL PARAMETERS TECHNICAL DATA OF ENGINES AT TRACTORS Z 11641 Tractor type Z 11641 Engine type 1000.6.W Engine execution diesel, four stroke with direct fuel injection Engine execution in line, water-cooled Number of cylinders Displacement 6000,66 Bore x stroke 105x115,5 Rated speed 2350...
  • Page 243 MAIN TECHNICAL PARAMETERS TECHNICK’ DATA MOTOR TRAKTOR Z 11641 Injection pump Type BOSCH PFR 1K 90A 555 Type of governor electronic Type of Injectors BOSCH - DLLA 155 S 1323 Injector opening pressure 180+8 (bar) Timing angle ’ Valve clearance measured at cold engine - suction 0,30...
  • Page 244 ZETOR 8621 FORTERRA TURBO ZETOR 9621 FORTERRA TURBO...
  • Page 245 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 8621 Forterra turbo, Zetor 9621 Forterra turbo (mm) WEIGHT Front tire 7,50 - 20 (kg) Rear tire 16,9R34 16,9R38 18,4R34 18,4-38 18,4R38 480/70R38 520/70R38 MAIN DIMENSIONS (mm) (tolerance Overall length with hitch...
  • Page 246 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 8621 Forterra turbo, Zetor 9621 Forterra turbo (mm) WEIGHT Front tire 7,50 - 20 (kg) Rear tire 16,9R34 16,9R38 18,4R34 18,4-38 18,4R38 480/70R38 520/70R38 Main dimensions (mm) (tolerance Height up to steering wheel top...
  • Page 247 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 8621 Forterra turbo, Zetor 9621 Forterra turbo (mm) WEIGHT Front tire 7,50 - 20 (kg) Rear tire 16,9R34 16,9R38 18,4R34 18,4-38 18,4R38 480/70R38 520/70R38 Max. allowed load on axles (kg) Inflating (kPa) at max. speed...
  • Page 248 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 8621 Forterra turbo, Zetor 9621 Forterra turbo (mm) WEIGHT Front tire 9,00 - 16 (kg) Rear tire 16,9R34 16,9R38 18,4R34 18,4-38 18,4R38 480/70R38 520/70R38 Main dimensions (mm) (tolerance Overall length with hitch...
  • Page 249 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 8621 Forterra turbo, Zetor 9621 Forterra turbo (mm) WEIGHT Front tire 9,00 - 16 (kg) Rear tire 16,9R34 16,9R38 18,4R34 18,4-38 18,4R38 480/70R38 520/70R38 Main dimensions (mm) (tolerance Height up to steering wheel top...
  • Page 250 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 8621 Forterra turbo, Zetor 9621 Forterra turbo (mm) WEIGHT Front tire 9,00 - 16 (kg) Rear tire 16,9R34 16,9R38 18,4R34 18,4-38 18,4R38 480/70R38 520/70R38 Max. allowed load on axles (kg) Inflating (kPa) at max. speed...
  • Page 251 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 8621 Forterra turbo, Zetor 9621 Forterra turbo (mm) WEIGHT Front tire 10,00 - 16 (kg) Rear tire 16,9R34 16,9R38 18,4R34 18,4-38 18,4R38 480/70R38 520/70R38 Main dimensions (mm) (tolerance Overall length with hitch...
  • Page 252 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 8621 Forterra turbo, Zetor 9621 Forterra turbo (mm) WEIGHT Front tire 10,00 - 16 (kg) Rear tire 16,9R34 16,9R38 18,4R34 18,4-38 18,4R38 480/70R38 520/70R38 Main dimensions (mm) (tolerance Height up to steering wheel top...
  • Page 253 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 8621 Forterra turbo, Zetor 9621 Forterra turbo (mm) WEIGHT Front tire 10,00 - 16 (kg) Rear tire 16,9R34 16,9R38 18,4R34 18,4-38 18,4R38 480/70R38 520/70R38 Max. allowed load on axles (kg) Inflating (kPa) at max. speed...
  • Page 254 ZETOR 8641 FORTERRA TURBO ZETOR 9641 FORTERRA TURBO...
  • Page 255 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 8641 Forterra turbo (mm) Zetor 9621 Forterra turbo WEIGHT Front tire 12,4R24 (kg) 16,9R34 16,9R38 18,4R34 480/R78 Rear tire Main dimensions (mm) (tolerance Overall length with hitch 4850 Width over rear fenders- (narrow)
  • Page 256 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 8641 Forterra turbo (mm) Zetor 9621 Forterra turbo WEIGHT Front tire 12,4R24 (kg) 16,9R34 16,9R38 18,4R34 480/R78 Rear tire Main dimensions (mm) (tolerance Wheel base 2390 Height up to steering wheel top...
  • Page 257 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 8641 Forterra turbo (mm) Zetor 9621 Forterra turbo WEIGHT Front tire 12,4R24 (kg) 16,9R34 16,9R38 18,4R34 480/R78 Rear tire Max. allowed load on axles (kg) Inflating (kPa) at max. speed Front driving axle...
  • Page 258 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 8641 Forterra turbo (mm) Zetor 9621 Forterra turbo WEIGHT Front tire 12,4 - 28, 10PR (kg) 16,9R38 18,4R38 18,4 - 38 480/70R38 520/70R38 Rear tire Main dimensions (mm) (tolerance Overall length with hitch...
  • Page 259 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 8641 Forterra turbo (mm) Zetor 9621 Forterra turbo WEIGHT Front tire 12,4 - 28, 10PR (kg) 16,9R38 18,4R38 18,4 - 38 480/70R38 520/70R38 Rear tire Main dimensions (mm) (tolerance Wheel base 2390...
  • Page 260 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 8641 Forterra turbo (mm) Zetor 9621 Forterra turbo WEIGHT Front tire 12,4 - 28, 10PR (kg) 16,9R38 18,4R38 18,4 - 38 480/70R38 520/70R38 Rear tire Max. allowed load on axles (kg) Inflating (kPa) at max. speed...
  • Page 261 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 8641 Forterra turbo, Zetor 9621 Forterra turbo (mm) WEIGHT Front tire 13,6R24 (kg) Rear tire 16,9R34 16,9R38 18,4R34 18,4R38 18,4-38 480/70R38 520/70R38 Main dimensions (mm) (tolerance Overall length with hitch 4850 Width over rear fenders- (narrow)
  • Page 262 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 8641 Forterra turbo, Zetor 9621 Forterra turbo (mm) WEIGHT Front tire 13,6R24 (kg) Rear tire 16,9R34 16,9R38 18,4R34 18,4R38 18,4-38 480/70R38 520/70R38 Main dimensions (mm) (tolerance Height up to steering wheel top...
  • Page 263 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 8641 Forterra turbo, Zetor 9621 Forterra turbo (mm) WEIGHT Front tire 13,6R24 (kg) Rear tire 16,9R34 16,9R38 18,4R34 18,4R38 18,4-38 480/70R38 520/70R38 Max. allowed load on axles (kg) Inflating (kPa) at max. speed...
  • Page 264 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 8641 Forterra turbo (mm) Zetor 9621 Forterra turbo WEIGHT Front tire 14,9 - 24 (kg) 16,9R38 18,4R38 18,4 - 38 480/70R38 520/70R38 Rear tire Main dimensions (mm) (tolerance Overall length with hitch...
  • Page 265 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 8641 Forterra turbo (mm) Zetor 9621 Forterra turbo WEIGHT Front tire 14,9 - 24 (kg) 16,9R38 18,4R38 18,4 - 38 480/70R38 520/70R38 Rear tire Main dimensions (mm) (tolerance Wheel base 2390 Height up to steering wheel top...
  • Page 266 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 8641 Forterra turbo (mm) Zetor 9621 Forterra turbo WEIGHT Front tire 14,9 - 24 (kg) 16,9R38 18,4R38 18,4 - 38 480/70R38 520/70R38 Rear tire Max. allowed load on axles (kg) Inflating (kPa) at max. speed...
  • Page 267 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 8641 Forterra turbo, Zetor 9621 Forterra turbo (mm) WEIGHT Front tire 380/70R24 (kg) Rear tire 16,9R34 16,9R38 18,4R34 18,4R38 18,4-38 480/70R38 520/70R38 Main dimensions (mm) (tolerance Overall length with hitch 4850 Width over rear fenders- (narrow)
  • Page 268 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 8641 Forterra turbo, Zetor 9621 Forterra turbo (mm) WEIGHT Front tire 380/70R24 (kg) Rear tire 16,9R34 16,9R38 18,4R34 18,4R38 18,4-38 480/70R38 520/70R38 Main dimensions (mm) (tolerance Height up to steering wheel top...
  • Page 269 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 8641 Forterra turbo, Zetor 9621 Forterra turbo (mm) WEIGHT Front tire 380/70R24 (kg) Rear tire 16,9R34 16,9R38 18,4R34 18,4R38 18,4-38 480/70R38 520/70R38 Max. allowed load on axles (kg) Inflating (kPa) at max. speed...
  • Page 270 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 8641 Forterra turbo (mm) Zetor 9621 Forterra turbo WEIGHT Front tire 420/70R24 (kg) 16,9R38 18,4R38 18,4 - 38 480/70R38 520/70R38 Rear tire Main dimensions (mm) (tolerance Overall length with hitch 4850 Width over rear fenders- (narrow)
  • Page 271 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 8641 Forterra turbo (mm) Zetor 9621 Forterra turbo WEIGHT Front tire 420/70R24 (kg) 16,9R38 18,4R38 18,4 - 38 480/70R38 520/70R38 Rear tire Main dimensions (mm) (tolerance Wheel base 2390 Height up to steering wheel top...
  • Page 272 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 8641 Forterra turbo (mm) Zetor 9621 Forterra turbo WEIGHT Front tire 420/70R24 (kg) 16,9R38 18,4R38 18,4 - 38 480/70R38 520/70R38 Rear tire Max. allowed load on axles (kg) Inflating (kPa) at max. speed...
  • Page 273 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 8641 Forterra turbo (mm) Zetor 9621 Forterra turbo WEIGHT Front tire 12,4 - 24 (kg) 16,9R34 16,9R38 18,4R34 480/70R38 Rear tire Main dimensions (mm) (tolerance Overall length with hitch 4850 Width over rear fenders- (narrow)
  • Page 274 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 8641 Forterra turbo (mm) Zetor 9621 Forterra turbo WEIGHT Front tire 12,4 - 24 (kg) 16,9R34 16,9R38 18,4R34 480/70R38 Rear tire Main dimensions (mm) (tolerance Wheel base 2390 Height up to steering wheel top...
  • Page 275 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 8641 Forterra turbo (mm) Zetor 9621 Forterra turbo WEIGHT Front tire 12,4 - 24 (kg) 16,9R34 16,9R38 18,4R34 480/70R38 Rear tire Max. allowed load on axles (kg) Inflating (kPa) at max. speed...
  • Page 276 ZETOR 10641 FORTERRA TURBO MAIN TECHNICAL PARAMETERS...
  • Page 277 MAIN DIMENSIONS Tractor type Zetor 10641 Forterra turbo (mm) WEIGHT Front tire 12,4 - 28, 10PR (kg) Rear tire 16,9R38 18,4-38 18,4R38 480/70R38 520/70R38 Main dimensions (mm) (tolerance Overall length with hitch 4850 Width over rear fenders- (narrow) 1974 Width over rear fenders- (wide)
  • Page 278 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 10641 Forterra turbo (mm) WEIGHT Front tire 12,4 - 28, 10PR (kg) Rear tire 16,9R38 18,4-38 18,4R38 480/70R38 520/70R38 Main dimensions (mm) (tolerance Wheel base 2390 Height up to steering wheel top...
  • Page 279 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 10641 Forterra turbo (mm) WEIGHT Front tire 12,4 - 28, 10PR (kg) Rear tire 16,9R38 18,4-38 18,4R38 480/70R38 520/70R38 Max. allowed load on axles (kg) Inflating (kPa) at max. speed Front driving axle...
  • Page 280 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 10641 Forterra turbo (mm) WEIGHT Front tire 13,6R24 (kg) Rear tire 16,9R38 18,4R34 18,4-38 18,4R38 480/70R38 520/70R38 Main dimensions (mm) (tolerance Overall length with hitch 4850 Width over rear fenders- (narrow) 1974...
  • Page 281 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 10641 Forterra turbo (mm) WEIGHT Front tire 13,6R24 (kg) Rear tire 16,9R38 18,4R34 18,4-38 18,4R38 480/70R38 520/70R38 Main dimensions (mm) (tolerance Height up to steering wheel top 2020 2007 2015 2015 2020...
  • Page 282 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 10641 Forterra turbo (mm) WEIGHT Front tire 13,6R24 (kg) Rear tire 16,9R38 18,4R34 18,4-38 18,4R38 480/70R38 520/70R38 Max. allowed load on axles (kg) Inflating (kPa) at max. speed Front driving axle 40 km/h...
  • Page 283 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 10641 Forterra turbo (mm) WEIGHT Front tire 14,9 - 24 (kg) Rear tire 16,9R38 18,4-38 18,4R38 480/70R38 520/70R38 Main dimensions (mm) (tolerance Overall length with hitch 4850 Width over rear fenders- (narrow)
  • Page 284 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 10641 Forterra turbo (mm) WEIGHT Front tire 14,9 - 24 (kg) Rear tire 16,9R38 18,4-38 18,4R38 480/70R38 520/70R38 Main dimensions (mm) (tolerance Wheel base 2390 Height up to steering wheel top 2028...
  • Page 285 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 10641 Forterra turbo (mm) WEIGHT Front tire 14,9 - 24 (kg) Rear tire 16,9R38 18,4-38 18,4R38 480/70R38 520/70R38 Max. allowed load on axles (kg) Inflating (kPa) at max. speed Front driving axle...
  • Page 286 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 10641 Forterra turbo (mm) WEIGHT Front tire 380/70R24 (kg) Rear tire 16,9R38 18,4R34 18,4-38 18,4R38 480/70R38 520/70R38 Main dimensions (mm) (tolerance Overall length with hitch 4850 Width over rear fenders- (narrow) 1974...
  • Page 287 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 10641 Forterra turbo (mm) WEIGHT Front tire 380/70R24 (kg) Rear tire 16,9R38 18,4R34 18,4-38 18,4R38 480/70R38 520/70R38 Main dimensions (mm) (tolerance Height up to steering wheel top 2020 2007 2008 2008 2020...
  • Page 288 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 10641 Forterra turbo (mm) WEIGHT Front tire 380/70R24 (kg) Rear tire 16,9R38 18,4R34 18,4-38 18,4R38 480/70R38 520/70R38 Max. allowed load on axles (kg) Inflating (kPa) at max. speed Front driving axle 40 km/h...
  • Page 289 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 10641 Forterra turbo (mm) WEIGHT Front tire 420/70R24 (kg) Rear tire 16,9R38 18,4-38 18,4R38 480/70R38 520/70R38 Main dimensions (mm) (tolerance Overall length with hitch 4850 Width over rear fenders- (narrow) 1974 Width over rear fenders- (wide)
  • Page 290 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 10641 Forterra turbo (mm) WEIGHT Front tire 420/70R24 (kg) Rear tire 16,9R38 18,4-38 18,4R38 480/70R38 520/70R38 Main dimensions (mm) (tolerance Wheel base 2390 Height up to steering wheel top 2028 2016 2016...
  • Page 291 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 10641 Forterra turbo (mm) WEIGHT Front tire 420/70R24 (kg) Rear tire 16,9R38 18,4-38 18,4R38 480/70R38 520/70R38 Max. allowed load on axles (kg) Inflating (kPa) at max. speed Front driving axle 40 km/h...
  • Page 292 ZETOR 11641 FORTERRA...
  • Page 293 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type (mm) WEIGHT Front tire 13,6R24 (kg) Rear tire 16,9R38 18,4R38 480/70R38 520/70R38 Main dimensions (mm) (tolerance Overall length with hitch 5218 Width over rear fenders- (narrow) 1974 Width over rear fenders- (wide) 2136 Width over tires with tread 1500 mm 1929 1967...
  • Page 294 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 11641 Forterra (mm) WEIGHT Front tire 13,6R24 (kg) Rear tire 16,9R38 18,4R38 480/70R38 520/70R38 Main dimensions (mm) (tolerance Wheel base 2648 Height up to steering wheel top 2020 2038 2020 2038 Contour turning diameter with one wheel braked - Not available in the time when printed this publication.
  • Page 295 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 11641 Forterra (mm) WEIGHT Front tire 13,6R24 (kg) Rear tire 16,9R38 18,4R38 480/70R38 520/70R38 Max. allowed load on axles (kg) Inflating (kPa) at max. speed Front driving axle 40 km/h 3000-160 30 km/h...
  • Page 296 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 11641 Forterra (mm) WEIGHT Front tire 14,9R24 (kg) Rear tire 16,9R38 18,4R38 480/70R38 520/70R38 Main dimensions (mm) (tolerance Overall length with hitch 5218 Width over rear fenders- (narrow) 1974 Width over rear fenders- (wide)
  • Page 297 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 11641 Forterra (mm) WEIGHT Front tire 14,9R24 (kg) Rear tire 16,9R38 18,4R38 480/70R38 520/70R38 Main dimensions (mm) (tolerance Wheel base 2648 Height up to steering wheel top 2028 2046 2028 2046 Contour turning diameter with one wheel braked - Not available in the time when printed this publication.
  • Page 298 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 11641 Forterra (mm) WEIGHT Front tire 14,9R24 (kg) Rear tire 16,9R38 18,4R38 480/70R38 520/70R38 Max. allowed load on axles (kg) Inflating (kPa) at max. speed Front driving axle 40 km/h 3000-140 30 km/h...
  • Page 299 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 11641 Forterra (mm) WEIGHT Front tire 380/70R24 (kg) Rear tire 16,9R38 18,4R34 18,4R38 480/70R38 520/70R38 Main dimensions (mm) (tolerance Overall length with hitch 4850 Width over rear fenders- (narrow) 1974 Width over rear fenders- (wide)
  • Page 300 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 11641 Forterra (mm) WEIGHT Front tire 380/70R24 (kg) Rear tire 16,9R38 18,4R34 18,4R38 480/70R38 520/70R38 Main dimensions (mm) (tolerance Wheel base 2648 Height up to steering wheel top 2020 2008 2038 2020...
  • Page 301 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 11641 Forterra (mm) WEIGHT Front tire 380/70R24 (kg) Rear tire 16,9R38 18,4R34 18,4R38 480/70R38 520/70R38 Max. allowed load on axles (kg) Inflating (kPa) at max. speed Front driving axle 40 km/h 3000-130...
  • Page 302 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 11641 Forterra (mm) WEIGHT Front tire 420/70R24 (kg) Rear tire 16,9R38 18,4R38 480/70R38 520/70R38 Main dimensions (mm) (tolerance Overall length with hitch 5218 Width over rear fenders- (narrow) 1974 Width over rear fenders- (wide)
  • Page 303 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 11641 Forterra (mm) WEIGHT Front tire 420/70R24 (kg) Rear tire 16,9R38 18,4R38 480/70R38 520/70R38 Main dimensions (mm) (tolerance Wheel base 2648 Height up to steering wheel top 2028 2046 2028 2046 Contour turning diameter with one wheel braked - Not available in the time when printed this publication.
  • Page 304 MAIN TECHNICAL PARAMETERS MAIN DIMENSIONS Tractor type Zetor 11641 Forterra (mm) WEIGHT Front tire 420/70R24 (kg) Rear tire 16,9R38 18,4R38 480/70R38 520/70R38 Max. allowed load on axles (kg) Inflating (kPa) at max. speed Front driving axle 40 km/h 3000-120 30 km/h...
  • Page 305 MAIN TECHNICAL PARAMETERS Front tire size Tractor type Z 8621 Z 8641 Z 9621 Z 9641 Z 10641 Z 11641 2WD tractor 7,50-20 X ◊ X ◊ 9,00-16 X ◊ 10,00-16 4WD tractor 12,4R24 12,4-24 X • X • 12,4-28, 10PR 13,6R24 X ◊...
  • Page 306 FORCE, POWER, FUEL CONSUMPTION Tractor type FORCE (kN) Z 8621 Z 8641 Z 9621 Z 9641 Z 10641 Z 11641 Max. pulling force in swinging drawbar measured on concrete, tractor shipping weight with max. ballast weight, slippage 15%, with driver 20,73 31,96 21,67...
  • Page 307 MAIN TECHNICAL PARAMETERS TRACTOR SPEED Z 8621 - Z 10641 FORTERRA TURBO (30km/h) Tractor equipped with four speed transmission with speed 30km/h, reduction gear, three stage Hi-Lo (torque multiplier), reversor a front driving axle (24 forward speed 18 reverse speed) FORWARD SPEED REVERSE SPEED Rear tires...
  • Page 308 MAIN TECHNICAL PARAMETERS TRACTOR SPEED Z 8621 - Z 10641 FORTERRA TURBO (30km/h) Tractor equipped with four speed transmission with speed 40km/h, reduction gear, three stage Hi-Lo (torque multiplier), reversor a front driving axle (24 forward speed 18 reverse speed) FORWARD SPEED REVERSE SPEED Rear tires...
  • Page 309 MAIN TECHNICAL PARAMETERS TRACTOR SPEED Z 11641 FORTERRA (30km/h) Tractor equipped with four speed transmission with speed 30km/h, reduction gear, three stage Hi-Lo (torque multiplier), reversor a front driving axle (24 forward speed 18 reverse speed) FORWARD SPEED REVERSE SPEED Rear tires Total gear 16,9-38...
  • Page 310 MAIN TECHNICAL PARAMETERS TRACTOR SPEED Z 11641 FORTERRA (40km/h) Tractor equipped with four speed transmission with speed 40km/h, reduction gear, three stage Hi-Lo (torque multiplier), reversor a front driving axle (24 forward speed 18 reverse speed) FORWARD SPEED REVERSE SPEED Rear tires Total gear 16,9-38...
  • Page 311 MAIN TECHNICAL PARAMETERS REAR INDEPENDENT PTO Gear ratio PTO shaft speed/engine speed PTO shaft speed/engine speed Z 8621-10641 Z 11641 3,54 540/1913 621/2200 663/2350 1,95 1000/1950 1128/2200 1203/2350 FRONT INDEPENDENT PTO Gear ratio PTO shaft speed/engine speed PTO shaft speed/engine speed Z 8621-10641 Z 11641 1,95...
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  • Page 315 Operator’s manual Z 8621, 8641 Forterra turbo Z 9621, 9641 Forterra turbo Z 10641 Forterra turbo Z 11641 Forterra Edition: I-1000-1998 Number of publication: 22.22.12.324 Zetor a.s. Documentation and propagation dept. Trnkova 111 632 00...

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