Belarus 1021 Operating Manual
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Belarus 1021 Operating Manual

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BELARUS
1021 / 1021.3
1021 – 0000010 OM
OPERATING MANUAL
Minsk Tractor Works 2010

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Summary of Contents for Belarus 1021

  • Page 1 BELARUS 1021 / 1021.3 1021 – 0000010 OM OPERATING MANUAL Minsk Tractor Works 2010...
  • Page 2 Some technical data and figures given in this manual, can differ from those actually installed on your tractor. Overall dimensions and values of mass are approximate (for reference purpose only). You can obtain more detailed information from your dealer of trade mark BELARUS. _______________________________________________________________________ Minsk Tractor Works RUE, 2010 All rights reserved.

  • Page 3: Table Of Contents

    2. TECHNICAL DATA ………………………………………………………….………… 2.1 Weight and dimensions..................…………… 13 2.2 Tractor part numbers……………………………………………………...………………… 13 2.3. General information on design of BELARUS-1021/1021.3 tractors....………… 3. CONTROLS AND INSTRUMENTATION ....………………………………… 22 3.1. General information……………………………………...………………………………… 22 3.2 Instruments, switches and pilot lamp units........………………………… 24 3.3 Fuses…………………………………………………………………………...……………...
  • Page 4 6. UNITIZING …………………………………………………...………………………… 77 6.1 Intended use of tractor…………………………………………………...……………… 6.2 Types and classification of machine-tractor units on the basis of BELARUS-1021/1021.3 tractors........……………………………………………………………… 78 6.3 Recommendations on selection of agricultural machines forunitizing..……………… 81 6.4 Determining and evaluating possibilities of unitizing BELARUS-1021/1021.3 tractors with agricultural machines..............………………………………………...
  • Page 5 BELARUS-1021/1021.3 Operating manual 6.7 Rear hitch linkage………………………………………………………………………… 93 6.7.1 General information about RHL design………………………………………………….. 93 6.7.2 Upper link and braces................………………… 93 6.7.3 External strainers………………………………………………………………………... 94 6.7.4 Hinging implements on tractor…………………………….…………………………… 95 6.7.5 Intended use of rear hitch linkage…………………………..…………………………… 96 6.7.6 Intended use of remote power cylinder control hydraulic system..………………………… 99 6.8 Universal towing coupler……………………………………………..……………………...
  • Page 6 10. TRANSPORTING AND TOWING OF TRACTOR …………………………… 201 11 DISPOSING OF TRACTOR ……………………………………………………….. 202 Appendix A Electric circuit diagram of rear axle DL and PTO of BELARUS – 1021/1021.3 tractor. 203 Appendix B Electric circuit diagram of BELARUS – 1021/1021.3 tractors..………………...

  • Page 7: Introduction

    Any arbitrary modifications made by the user to the design of separate assemblies shall release the manufacturer from any liability for consequent operator's injuries or tractor failures. BELARUS-1021/1021.3 tractors are designed for various agricultural works with mounted, semi-mounted, and trailer-type farm machinery and implements attached, cargo handling, transportation works, driving stationary agricultural machinery, and are delivered to consumers in the Republic of Belarus and abroad.
  • Page 8 BELARUS-1021/1021.3 Operating manual Abbreviations and designations SB — storage battery; DL — differential lock; PFE — paper filter element; UDC — upper dead center; PTO — power take-off shaft; PTI — power take-in shaft. HLL — hydraulic lift linkage; HSU — hydrostatic steering unit;...
  • Page 9 BELARUS-1021/1021.3 Operating manual Manufacturerusesstandardinternationalsymbolsdesignatinguse ofinstrumentsand controls. — see manual — control manipulations — brake — fast — hand brake — slow — horn — forward — emergency stop signaling — reverse — fuel — storage battery charging — coolant — interior lamp —...
  • Page 10 BELARUS-1021/1021.3 Operating manual — remote power cylinder — — windshield wiper equilibrium — GB oil pressure — rear window wiper — pneumatic system air pressure — HSU oil pressure — air filter clogging — coolant level in main cylinder tanks...

  • Page 11: Safety Precautions

    BELARUS-1021/1021.3 Operating manual 1. SAFETY PRECAUTIONS 1.1 General instructions 1.1.1 Strict observance of safety precautions and strict compliance with tractor operation and maintenance rules ensure its fully safe operation. 1.1.2 Carefully read the opeator’s instruction before you operate the tractor. Insufficient knowledge on tractor control and operation may result in accidents.
  • Page 12 BELARUS-1021/1021.3 Operating manual 1.2.13 Verify that any additional equipment or auxiliary devices are properly installed and are intended for use with your tractor. Remember that your tractor, if improperly used, can be dangerous both for you and for outsiders. Do not use equipment that is not intended for installation on the tractor.

  • Page 13: Safety Precautions For Maintenance

    BELARUS-1021/1021.3 Operating manual 1.3 Safety precautions for maintenance 1.3.1 Never refuel the tractor when the engine is running. 1.3.2 Do not smoke when refuelling the tractor. 1.3.3 Do not fill the fuel tanks full. Leave a space for fuel expansion.

  • Page 14: Technical Data

    BELARUS-1021/1021.3 Operating manual 2. TECHNICAL DATA 2.1 Weight and dimensions Name BELARUS 1021 BELARUS 1021.3 Length with linkage in transportation 4,105±50 4,525 ± 50 position, mm Width by ends of rear wheel half- 2,250 ± 20 2,250 ± 20 axles, mm Height by cab, mm 2,840 ±...
  • Page 15 The serial number of the engine is duplicated on the nameplate attached to the cylinder block on the left. An example of thenameplate for the BELARUS 1021 tractor The engine turbo charger number The clutch number (on the clutch housing on the...
  • Page 16 BELARUS-1021/1021.3 Operating manual The transmission number Front driving axle number Cab serial number...

  • Page 17: General Information On Design Of Belarus-1021/1021.3 Tractors

    BELARUS-1021/1021.3 Operating manual 2.3. General information on design of BELARUS-1021/1021.3 tractors Diesel engine parameters Diesel engine model D-245 D-245S2 (D-245S on request) Manufacturer (MinskMotorWorks) (MinskMotorWorks) Type 4- stroke 4- stroke 4, in-line, vertical 4, in-line, vertical Cylinder number and arrangement...
  • Page 18 Type: liquid, closed with forced circulation of coolant. Temperature is controled by thermostat. Normal operating temperature from 85°C to 95°C. CAC(on BELARUS-1021.3 tractors) Radiator type, installed before water radiator. Intended for cooling of air charged into the intake manifold of the engine.
  • Page 19 BELARUS-1021/1021.3 Operating manual Gearbox Type: mechanical, synchronized, with multiplier (accelerator) at input. Gears: 14 forward, 4 reverse The figures below present charts of tractor speeds on standard tires with single-lever and two-lever GB control respectively.
  • Page 20 Type: mechanical MHU-05 or hydromechanical GHU-05 (provides stepless speed control ranging from 0 to 4.0 km/h) Design travel speeds of BELARUS-1021/1021.3 tractors in km/h at engine nominal speed of 2,200 rpm on 16.9R38 tires (standard) with and without speed reducer...
  • Page 21 BELARUS-1021/1021.3 Operating manual Front driving axle Type: portal. Main drive: bevel pinions with circular-arc tooth. Type of differential: self-locking, high friction. Final drives: two-stage with cylindrical and planetary stages; FDA drive: from a transfer case by two driveshafts with an intermediate bearing;...
  • Page 22 BELARUS-1021/1021.3 Operating manual Electric equipment Electrical system voltage: 12 V Supply system: - two batteries, 12 V each, capacity of 88 A•h or 90 A•h. - alternator, rated voltage 14 V, power 1.15 kW. Illumination and light signaling system: - upper and lower beam headlights - front and rear operating headlights;...

  • Page 23: Controls And Instrumentation

    20 . SB remote disconnect key (only on 5. Pilot lamp units; BELARUS-1021.3); 6. Electric tachometer/speedometer or integrated 21. Multiplier (accelerator) control; display; 22. SPH switch (only on BELARUS-1021, if 7. Air distributors; SPH installed). 8. Place for radio; 23. Windscreen washer switch. 9. Recirculating shutters.
  • Page 24 BELARUS-1021/1021.3 Operating manual 32. PTO shifter lever 39. Hydraulic lift draft control lever; (independent/synchronous); 40. Hydraulic lift position control lever; 33. FDA shifter lever for single-lever GB 41. Position control adjustable stop; control (with two-lever GB control, the 42. Fuel control lever;...

  • Page 25: Instruments, Switches And Pilot Lamp Units

    BELARUS-1021/1021.3 Operating manual 3.2 Instruments, switches and pilot lamp units Starter and instrument switch The starter and instrument switch (1) has four positions: “0” – OFF; “I” – instruments, pilot lamp units ON (for 1025.3 — spark plugs ON). “II” – starter ON (unfixed position);...
  • Page 26 BELARUS-1021/1021.3 Operating manual The fuel tank level indicator scale (1) has the divisions of 0–1/4–1/2–3/4–1. The indicator scale has a built-in alarm lamp (1.1) (orange) that goes on when the fuel level in the tank drops to 1/8 of the total tank volume.
  • Page 27 BELARUS-1021/1021.3 Operating manual Electric tachometer/speedometer Tachometer/speedometer operates as follows: procedure When the tractor is stopped, after tachometer/speedometer programming and switching the starter and instrument switch to rules of use of the panel (2), see the position ‘I’, the display (9) shows engine Adjustments.
  • Page 28 BELARUS-1021/1021.3 Operating manual Integrated display KD 8083 The indicator operates as follows: When the power is on, the indicator switches to the main mode of operation. When no signal arrive from the speed sensors, the digital indicator (4) shows the readout of the engine service hour counter, and the LED goes on located next to the “h”...
  • Page 29 When pressed again, it’s off. On the - when the lever (6) is shifted from the BELARUS-1021 tractors, this place is plugged, headlights on position up to the stop, the the SB ground is switched on and off by...
  • Page 30 Air conditioner control (installed on BELARUS-1021.3 on request instead of fan heater) The climate system control panel has the switches (1) and (2).
  • Page 31 (see operation 21 in 8.4 Scheduled maintenance operations). 3.Reserve. 4. Diesel engine start indicator lamp. Not used at BELARUS-1021/1021.3 tractors. 5. The engine start aid indicator lamp (orange) is intended to indicate readiness of the engine for start.

  • Page 32: Fuses

    14 — Left headlight lower beam (7.5 A); 15 — Instruments and speed sensors power supply (7.5 A); 16 — Turn indicators relay switch (for tractors BELARUS-1025.3 — also power supply of the SP unit and the SP relay switch winding) (15 A).

  • Page 33: Electric Equipment Connecting Devices

    BELARUS-1021/1021.3 Operating manual 3.4 Electric equipment connecting devices To connect current consumers of a transport machine or trailed agricultural implements, a standard seven-pin socket is used. Mounted on the rear cab support. To the socket, the plug of the wire harness of the linked machines is connected.

  • Page 34: Gearbox Control

    BELARUS-1021/1021.3 Operating manual 3.5 Gearbox control With single lever control, the gears are shifted by the lever (1) in accordance with the shifting pattern. Before engaging a gear, use the lever (1) to select the desired range. Important! Ranges and gears are engaged...

  • Page 35: Speed Reducer Control (If Installed)

    BELARUS-1021/1021.3 Operating manual The speed reducer gear lever (1) has five positions (see see the chart on Figure at the right side): • OFF — off; • ON — on; • N — neutral; • 1 — 1st gear of speed reducer;...

  • Page 36: Rear Axle Dl And Rear Pto Control System

    BELARUS-1021/1021.3 Operating manual 3.8Rear axle DL and rear PTO control system Rear PTO control The rear PTO is engaged by the key switch (4) and the button switch (5) located on the panel above the right control panel. The switch (4) has two fixed positions: PTO on —...

  • Page 37: Pto Drive Shifters

    BELARUS-1021/1021.3 Operating manual 3.9 PTO drive shifters The PTO independent and synchronous drive shifter The shifter (3) has three positions: - PTO independent drive ON — uppermost position; - PTO synchronous drive OFF — lowermost position; - Neutral — middle position.

  • Page 38: Control Of Rear Hookup Hydraulic Pump And Distributor(Remote Power Cylinders)

    BELARUS-1021/1021.3 Operating manual 3.10 Control of rear hookup hydraulic pump and distributor (remote power cylinders) HLL pump Bomba del SHS Hydraulic system Rear hitch linkage hydraulic system housing pump control To turn on the pump, unscrew the bolt (1) by 1…1.5 turns and turn the shaft (2) using a wrench counterclockwise until it stops, then tighten the bolt 1.

  • Page 39: Control Of Hll With Hydraulic Lift

    BELARUS-1021/1021.3 Operating manual 3.11 Control of HLL with hydraulic lift HLL is controlled by two handles (1) and (2) located in the cab on the right control panel. The draft control handle (1) is located first to the operator’s seat and has the following positions: •...

  • Page 40: Changing Steering Wheel Position

    BELARUS-1021/1021.3 Operating manual 3.13 Changing steering wheel position To change the two-arm steering wheel height position, proceed as follows: - remove the cover (2); - unscrew the clamp (1) by 3...5 turns; - move the steering wheel (3) to the desired position;...

  • Page 41: Tractor Pedals, Engine Stop Lever, Engine Cooling System Shutter Control

    BELARUS-1021/1021.3 Operating manual 3.14 Tractor pedals, engine stop lever, engine cooling system shutter control Engine stop lever Pulling the red handle (1) cuts off fuel supply to the engine cylinders, and the engine stops. When the handle (1) is released, action of the spring returns it to its original position.

  • Page 42: Ground Switch, Fuel Supply Control Lever, Parkingbrake Control

    BELARUS-1021/1021.3 Operating manual 3.15 Ground switch, fuel supply control lever, parking brake control. Ground switch (Installed only BELARUS-1021 tractors) When the button (3) is pressed, the battery is ON. When pressed again, the battery is OFF. Fuel control lever When the lever (2) is moved forward along...

  • Page 43: Cabheater Control

    BELARUS-1021/1021.3 Operating manual 3.16 Cab heater control When turning on the heater, proceed as follows: 1. After refilling the engine cooling system, start the engine and let it work at medium speed to have water warmed up to plus 50 to 60° , after that open the heater valve by turning the valve knob (1) counterclockwise up to stop.

  • Page 44: Cab Air Conditioning And Heating System Control

    Climate system control in heating mode system can be installed instead of the heater Attention:refill the engine cooling system fan on BELARUS-1021.3 tractors on request. only with an antifreeze agent. Climate system control in air conditioning For efficient operation of the heating...

  • Page 45: Seat And Its Adjustment

    - height adjustment (from 0 to 60 mm). BELARUS-1021/1021.3 tractors can be The seat has three positions by height — equipped with the seats Belarus 80-6800010 lower, middle and upper. To transfer the seat or 80V-6800000. On request, your tractor can...
  • Page 46 BELARUS-1021/1021.3 Operating manual Seat Grammer MSG85/721 (installed on request) The seat Grammer MSG85/721 has the following adjustments: - by operators’s weight from 50 to 130 kg with weight indication each 10 kg. Performed by the knob (2). To adjust the seat to a larger weight, turn the knob clockwise, to adjust to a lower weight, turn it counter-clockwise.

  • Page 47: Operating Instruction

    - hydraulic linkage system HSU tank (for result in excessive fuel consumption. Correct BELARUS-1021 — a common HSU and HLL choice of the gear for each particular operating tank); condition ensures saving of fuel and reduces - transmission (housings of wet brakes, if wear of the diesel engine.

  • Page 48: Tractor Maintenance After Running-In

    3. Check the oil level and, as necessary, lighting and alarm systems, the windshield add to the hydraulic linkage system and HSU wiper. tanks (for BELARUS-1021 — a common HSU and HLL tank); 4. Check the degree of clogging of the engine water heat exchanger. If necessary, clean it.

  • Page 49: Preparation To Start And Engine Start

    10. Turn the starter and instrument key from neutral position! the position“I”to the position“II”(engine start). Attention: start the diesel engine when Note: on BELARUS-1021.1 tractors turn the towed only in the case of an extreme starter instrument from emergency in order to avoid intensive wear of position“I”to the position“II”for at least three...

  • Page 50: Engine Start Aid For Low Temperatures (+4° And Below)

    4.2.3 Engine start aid for low temperatures (+4° and below) Start preheater Spark plugs Start preheater is installed on BELARUS- On BELARUS-1021.3 tractor, spark plugs 1021 tractors. installed in the cylinder head are used as a Warning:Never use ether starting aids if a starting aid.

  • Page 51: Preparation To Start And Engine Start At Low Temperatures (+4° And Below)

    BELARUS-1021 with a start preheater 12. Press the SPH switch key. At that in the pilot lamp unit, the SPH pilot lamp goes To start the engine of the BELARUS-1021 on indicating that the SPH spiral switches on tractor at low temperatures, perform the following operations: and warms up.
  • Page 52 - on the pilot lamp unit, the spark plug BELARUS-1021.3 with spark plugs pilot lamp goes on and glows continuously, To start the engine of the BELARUS- which indicates that the spark plugs are on. 1021.3 tractor at low temperatures, perform...

  • Page 53: Setting Out Tractor. Shifting Gb

    BELARUS-1021/1021.3 Operating manual 4.3 Setting out tractor. Shifting GB Before starting travel, determine the required speed of the tractor. A tractor speed chart for standard tires is presented on the instruction plate on the cap right window. To start movement, proceed as follows: - fully press the clutch pedal.

  • Page 54: Stopping Tractor

    BELARUS-1021/1021.3 Operating manual 4.7 Power takeoff shaft (PTO) 4.4 Stopping tractor Attention:At a speed of the shaft end of 540 To stop the tractor, proceed as follows: rpm, power take-off through the PTO shaft must - reduce the engine crankshaft speed;...

  • Page 55: Operation Of Tractor Equipped With Speed Reducer

    BELARUS-1021/1021.3 Operating manual 4.8 Operation of tractor equipped with speed reducer If your tractor is equipped with a speed 6. Engage the first GB gear. reducer or hydraulic speed reducer, follow the 7. Slowly release the clutch pedal. instructions below.

  • Page 56: Hydraulic Lift Linkage

    BELARUS-1021/1021.3 Operating manual 4.9 Hydraulic linkage system General information The hydraulic linkage system is equipped with a hydraulic lift and provides operation of the rear hitch linkage in the following modes: - rising the hitch and its lowering by gravity;...

  • Page 57: Adjustments

    BELARUS-1021/1021.3 Operating manual 5. ADJUSTMENTS 5.1 Setting front wheel track Changing the front wheel track is made in steps, both by swapping the wheels from side to side, and due by changing the position of the wheel disk relative to the rim.
  • Page 58 BELARUS-1021/1021.3 Operating manual Table, continued Tractor rack K, mm Variants of disk and rim Disk offset (360/70R24 tire) Method of installation installation X, mm Short beam Long beam The disk is mated with the + 56 1,585 1,705 outer surface of the support.

  • Page 59: Checking And Adjusting Toe-In

    1, 3 — nut, 2 — steering rod adjusting tube. Checking and adjusting toe-in To check and, if necessary, adjust the toe-in of the BELARUS -1021/1021.3 tractors, proceed as follows: - set the required tire pressure in accordance with the instructions in Table Standards of loads on tires to choose mode at various internal pressures in 6.10 of 6 UNITIZING;...

  • Page 60: Setting Rear Wheel Track

    BELARUS-1021/1021.3 Operating manual 5.3 Setting rear wheel track To set the rear wheel track, proceed as follows: 1. Jack up the rear part of the tractor so that the wheels leave the ground. 2. Unscrew the nuts (1) and remove the wheels.

  • Page 61: Pto Adjustments

    BELARUS-1021/1021.3 Operating manual 5.5 PTO adjustments 5.5.1 Checking wear of PTO brake band linings The external sign indicating the degree of blocking the rear wheel with wedges in front wear of PTO brake belt linings and the need and behind. Check the oil pressure in the PTO for adjustment operations is the size A (Fig.

  • Page 62: 3External Readjustment Of Brake Bands

    BELARUS-1021/1021.3 Operating manual 1 — lever; 2 — auxiliary bolt; 3 — locking plate; 4 — bolt, 5 — eccentric axle; 6 — adjustment bolts; 7 — rod; 8 — locking plate; 9 — cylinder. Fig. 5.5.2 — PTO adjustments 5.5.3 External readjustment of brake bands...

  • Page 63: Fda Adjustments

    BELARUS-1021/1021.3 Operating manual 5.6 FDA adjustments 5.6.1 Checking and adjusting preload in drive pinion tapered bearings of main drive. Checking and adjusting preload in differential tapered bearings 5.6.1.1 Checking and adjusting preload in drive pinion tapered bearings of main drive...

  • Page 64: Checking And Adjusting Side Clearance In Main Set

    BELARUS-1021/1021.3 Operating manual 5.6.2. Checking and adjusting side clearance in main set Adjust the side clearance in the mesh with When measuring the side clearance, lock the differential bearings are adjusted. The side the driven pinion from rotating with a crowbar...

  • Page 65: 4Checking And Adjusting Axial Preload In Pivot Tapered Bearings

    BELARUS-1021/1021.3 Operating manual 5.6.4 Checking and adjusting axial preload in pivot tapered bearings Prior to adjusting the axial preload in the - check the tightening force of the lower pivot tapered bearings (7) (Figure 5.6.2), axle bolts (180 to 200 N•m);...

  • Page 66: Checking Axial Play And Adjusting Wheel Flange Tapered Bearings

    BELARUS-1021/1021.3 Operating manual 1, 7, 8, 11, 12 — tapered roller bearing; 2 — adjusting shims; 3 — barrel, 4, 9 — swivel pivot axle; 5 — bolt; 6 — adjusting shims; 10 — nut; 13 — wheel flange; 14 — driving pinion; 15 —...

  • Page 67: Adjusting Control Linkage Of Fda Drive Transfer Case

    BELARUS-1021/1021.3 Operating manual 5.6.8. Adjusting control linkage of FDA drive transfer case To adjust the linkage, proceed as follows: - shift the lever (7) (Figure 5.6.4) to the position of FDA on forced (the upper fixed position, the retainer ball (5) in the bottom hole A of the rod (4)).

  • Page 68: Checking And Adjusting Brake Valve Of Pneumatic System

    BELARUS-1021/1021.3 Operating manual 5.7 Checking and adjusting brake valve of pneumatic system Check and, if necessary, adjust the pneumatic - if the brake valve drive is properly system brake valve drive after completion of adjusted and the brake valve is in good...
  • Page 69 BELARUS-1021/1021.3 Operating manual Check and, if necessary, adjust the pneumatic system brake valve two-cable drive as follows. 1. Connect a pressure gage with a scale of 1 MPa min. to the coupling head with a yellow cap of the control manifold.

  • Page 70: Checking And Adjusting Pneumatic System Pressure Regulator

    BELARUS-1021/1021.3 Operating manual 5.8 Checking and adjusting pneumatic system pressure regulator Adjust the pneumatic system pressure Checking and adjusting is performed only regulator as follows: on tractors equipped with an air pressure - gradually unscrewing the cover (2) regulator 80-3512010. The label tag with the (Figure 5.8.1), adjust the force of the springs...

  • Page 71: Clutch Adjustments

    BELARUS-1021/1021.3 Operating manual 5.9 Clutch adjustments 5.9.1. General information On the engine flywheel (1) (Figure 5.9.1), a dry single-disk spring-loaded clutch is installed. The driving part of the clutch is the flywheel (1) and the pressure plate (3). The driven part of the clutch includes the driven plate (2) with the torsional vibration damper (8) mounted on the force shaft (6).

  • Page 72: Mounting, Removing And Adjusting Clutch Release Levers

    BELARUS-1021/1021.3 Operating manual 5.9.2 Mounting, removing and adjusting clutch release levers Procedure of removing the clutch from the engine: 1. Install the three auxiliary bolts (M12×40) screwing them into the pressure plate (3) (Figure 5.9.2) through the auxiliary holes of the backing plate (6).

  • Page 73: Tachometer/Speedometer Programming

    - the programming mode is exited automatically if the buttons 1 or 2 are not pressed for 7.0 s. At that, the new programmed parameter values are fixed and will be used by the tachometer/speedometer to display information. Table below lists programmable parameter values of the tachometer/speedometer AR70.3813 for BELARUS-1021/1021.3 tractors.
  • Page 74 BELARUS-1021/1021.3 Operating manual List of programmable ratios of the tachometer/speedometer AR70.3813 for BELARUS- 1021/1021.3 tractors. Parameter value Parameter “Z” parameter Number of pinion teeth in the point of speed sensor installation (parameter to display the tractor speed) “R” parameter R is the rear axle rolling radius, mm. When reprogramming, this parameter can be modified with a 5 mm step.

  • Page 75: 3Procedure Of Programming Integrated Display Kd8083

    This indicates that the new programmed parameters are fixed and will be used by the display to show information. Attention: if you exit the programming mode in a manner different from the above, the newly entered parameters will not be saved. Table below lists programmable ratios of the display KD8083 for BELARUS-1021/1021.3 tractors.
  • Page 76 BELARUS-1021/1021.3 Operating manual List of programmable ratios of the display KD8083 for BELARUS-1021/1021.3 tractors. Parameter value Parameter “T” parameter In the programming mode, when the button 1 is pressed for the first time and held for more than two seconds, the digital display indicates the value of precise total service hours of the engine.

  • Page 77: Installing And Adjusting Speed Sensors

    BELARUS-1021/1021.3 Operating manual 5.10.4 Installing and adjusting speed sensors The speed sensors (2) (Figure 5.10.2) are fastened by the bolts (3) to the rear axle housing cover (1) in the area of the left and right side pinions (7) of the final drives.

  • Page 78: Unitizing

    - by compliance of the tractor’s tractive force and drought resistances of unitized machines. Operating equipment of the tractor for unitizing BELARUS tractors are equipped with the following working equipment for unitizing — HL, TC, PTO, hydraulic outputs, air gage head and electric socket.

  • Page 79: Types And Classification Of Machine-Tractor Units On The Basis Of Belarus-1021/1021.3 Tractors

    6.2 Types and classification of machine-tractor units on the basis of BELARUS-1021/1021.3 tractors 6.2.1 Agricultural units operating on the basis of BELARUS-1021/1021.3 tractors are classified as per the following operational characteristics: By the process performed — plowing, sowing, planting, tilling and sowing, harvesting,...
  • Page 80 BELARUS-1021/1021.3 Operating manual By the manner of performing the work: - mobile, performing the work in motion; - stationary-mobile, performing the work when standing still and in motion; - stationary, performing the work in stationary conditions when the tractor is not moving.
  • Page 81 BELARUS-1021/1021.3 Operating manual 6.2.2 By the manner of unitizing with the tractor, agricultural machines are divided into the following types: MOUNTED — fixed at three points to the joints of the HL upper and lower rods. The machine weight of in the transport position is fully borne by the tractor. Components of the machine in the transport position have no contact with the supporting surface.

  • Page 82: Recommendations On Selection Of Agricultural Machines Forunitizing

    1. Unitizing assembled vehicles (loaders, bulldozers and other similar tools) is not an intended use of the BELARUS-1021/1021.3 tractors. 2. A permit to joint operation of the BELARUS-1021/1021.3 tractors with mounted, trailed, semi-mounted and semi-trailed machines, which is performed in full compliance with this tractor manual and does not exceed the permissible scope of its intended use, is not required.
  • Page 83 BELARUS-1021/1021.3 Operating manual The BELARUS tractor can be unitized with machines with the resistance of implements of 18.0 kN max. The coverage of the unit and the tilling depth depend mainly on the specific soil resistance, which determine the range of operating speeds subject to agricultural requirements.

  • Page 84: Determining And Evaluating Possibilities Of Unitizing Belarus-1021/1021.3 Tractors With Agricultural Machines

    Operating manual 6.4 Determining and evaluating possibilities of unitizing BELARUS- 1021/1021.3 tractors with agricultural machines Determining and evaluating possibilities of unitizing BELARUS-1021/1021.3 tractors with agricultural machines is made in several stages: First stage — Preparation and collection of baseline data 1.
  • Page 85 BELARUS-1021/1021.3 Operating manual Third stage — Checking correspondence of vertical load on connecting device of tractor. 1. For mounted and semi-mounted machines. Checking correspondence of the load-bearing capacity of the three-point hitch linkage of the tractor to the load generated by the attached machine. Make sure that the hitch linkage can raise/lower the attached machine taking into account the process material weight.

  • Page 86: Adjusting Wheel Track

    BELARUS-1021/1021.3 Operating manual 6.5 Adjusting wheel track 6.5.1 Adjusting 360/70R24 front wheel track Changing the front wheel track is made in steps, both by swapping the wheels from side to side, and due by changing the position of the wheel disk relative to the rim. Table below lists track values for the front wheels.

  • Page 87: 2Adjusting Rear Wheel Track

    BELARUS-1021/1021.3 Operating manual 6.5.2 Adjusting rear wheel track The rear track is adjusted steplessly by moving the hubs along the semi-axles. Table below lists the values of the adjustment range of the rear wheel track Mounting dimension of hub Tire size...

  • Page 88: Pairing Rear Wheels Using Spacer

    BELARUS-1021/1021.3 Operating manual Paired hubs Fig. 6.5.3 Pairing rear wheels by installing two hubs on each semi-axle 6.5.4 Pairing rear wheels using spacer The spacer 1221-3109030 is designed for pairing of the rear wheels of standard and optional package (tires 16.9R38, 18.4R34 mod. F-11) for continuous tillage instead of paired hubs.

  • Page 89: Tire Specifications

    BELARUS-1021/1021.3 Operating manual 6.5.5 Tire specifications Table below lists specifications of tires used on BELARUS - 1021/1021.3 tractors. Tire size Tire section width, Rolling radius, mm Package 360/70R24 Standard 16.9R38 11.2R24 18.4R34 F11 Optional 11.2R42 6.5.6 Protective zones for tractor wheels for processing of tilled crops...

  • Page 90: Tires

    The standard allowable loads on the tires of BELARUS-1021/1021.3 tractors and the respective internal pressures depending on the travel speed are set forth by the tire manufacturer and are given in subsections. Therefore, always set the tire pressure subject to the prevailing loads and speeds.
  • Page 91 BELARUS-1021/1021.3 Operating manual Operating the tractor with a set tire pressure below the standard results in the following failures of the wheels: - tire rotation on the rims; tire bead rubbing against the rim flange; - cracks on the tire sidewalls;...

  • Page 92: Allowed Combinations Of Front And Rear Tires

    BELARUS-1021/1021.3 Operating manual 6. When selecting and purchasing new tires, consider the recommendations of this manual. Incorrect installation and removal of tires causes damages to the structural elements of the tire. Install and remove tires only using special equipment. On one axle, install tires of the same size, model and design.

  • Page 93: Inflating Tires

    BELARUS-1021/1021.3 Operating manual 6.6.3 Inflating tires Inflate the tires through the air bleed valve of the pressure regulator (1) (Figure 6.6.1), proceeding as follows: - bleed air from the pneumatic system cylinder (3) through the condensate drain valve; - unscrew the finger nut or the cap (2) of the air bleed valve connector;...

  • Page 94: Rear Hitch Linkage

    BELARUS-1021/1021.3 Operating manual 6.7 Rear hitch linkage 6.7.1 General information about RHL design The three-point hitch linkage of 2nd category is designed to attach to the tractor mounted and semi-mounted agricultural machines and implements using the following connection elements: - length of the suspension axle A (conditional distance between the joints of the lower rods) is 870 mm;...

  • Page 95: External Strainers

    BELARUS-1021/1021.3 Operating manual To increase the load-bearing capacity of the RHL, the brace forks and the bracing eye can be shifted by one hole back along the course of the tractor. At that, increase the length of the brace by adding an extra shackle on each side.

  • Page 96: Hinging Implements On Tractor

    BELARUS-1021/1021.3 Operating manual 6.7.3.2 Full lock To fully lock the implement in the working position, connect the strainers (2) (Figure 6.7.4) to the upper hole in the bracket (1) and minimize their length providing implement swinging by 20 mm max. in both directions.

  • Page 97: Intended Use Of Rear Hitch Linkage

    (100 mm min.) between the implement raised to its upper position and the tractor cab! 6.7.5 Intended use of rear hitch linkage The 1021/1021.3 tractors are equipped with a rear hitch linkage HL-2. Figure 6.7.6 shows the chart of unitizing for HL-2.
  • Page 98 BELARUS-1021/1021.3 Operating manual Parameters and dimensions of connecting elements of the RHL for unitizing with machines of IInd category Parameter Lower links solid Length of lower rods: solid, mm Width of rod joints: upper, mm lower, mm 38 or 45...
  • Page 99 BELARUS-1021/1021.3 Operating manual Adjusting brace. During work, the braces are usually connected to the lower rods through the holes in the brace forks. When working with wide-coverage machines in order to improve relief copying (cultivators, planters, etc.) and reduce loads on the HL, it is necessary to ensure free travel in the vertical plane of one lower rod relative to the other.

  • Page 100: Intended Use Of Remote Power Cylinder Control Hydraulic System

    BELARUS-1021/1021.3 Operating manual 6.7.6 Intended use of remote power cylinder control hydraulic system The hydraulic system for mounted implement control allows additional takeoff of oil for operation of the unitized machines. The tractor has free hydraulic outputs to serve the unitized tools through attached high- pressure hoses.

  • Page 101: Universal Towing Coupler

    BELARUS-1021/1021.3 Operating manual 6.8 Universal towing coupler 6.8.1 General information about TC design The towing device for work with two-axle trailers consists of the towing yoke (5) (Fig. 6.8.1) with the pivot (6). The yoke body is connected to the plates (4) that enter the groove in the side guides (3, 7) and are fixed with two fingers (12).

  • Page 102: Intended Use Of Towing Couplers

    - vertical load on the TC does not exceed the allowable values as specified by the tractor manufacturer. The BELARUS-1021/1021.3 tractor has a rear lift device in the form of vertical guide plates. The device is designed for fastening TC-2V and TC-3V. The lift device allows changing the position of the connecting link of the TC by height and facilitates removal.

  • Page 103: Tc-2V (Fork)

    BELARUS-1021/1021.3 Operating manual 6.8.4 TC-2V (fork) Used for work with the following machines: - semi-trailed (semi-trailers, fertilizing machines, etc.); - trailed (disk harrows, tillage machines, hoeing plows, hitch of harrows, cultivators, seeders, etc.). Figure 6.8.4 shows the chart of unitizing for TC-2V.

  • Page 104: Tc-1M-01 (Draw Bar)

    Angle of machine turn relative to tractor, deg ± 85 (agricultural machines) _________________________________________________________________________________________________________________________________________________ — For BELARUS-1021/1021.3 tractors produced from III quarter 2010, the distance from PTO end to axis of joining pin is 390 mm 6.8.6 TC-1M-01 (draw bar) Used for work with the following machines: - semi-trailed (same as with TC-2V and TC-3V).

  • Page 105: Pto And Drive Of Machines

    PTI side. 3. Power taken off from the PTO shaft end of BELARUS-1021/1021.3 tractors must not exceed the operating power of BELARUS -1021/1021.3 tractors.
  • Page 106 BELARUS-1021/1021.3 Operating manual To transfer torque from the tractor PTO to the agricultural machine PTI with a rated speed of 540 rpm or 1,000 rpm, telescopic driveshafts with a protective enclosure are used. The driveshaft is supplied in the machine package. Driveshafts are manufactured in compliance with the requirements of the standard and design documentation of the manufacturer.
  • Page 107 BELARUS-1021/1021.3 Operating manual Power Speed, rpm Torque, Nm kW hp Fig. 6.9.2 — Determining maximum allowable torque...
  • Page 108 BELARUS-1021/1021.3 Operating manual Use of driveshafts depending on the method of unitizing Driveshaft of machine Type of Location of tractor Driveshaft Figure Joint tilt hitch device type angles relative to designation unitizing – HL-2 10 or 40 L = L TC-1M-01 >...
  • Page 109 BELARUS-1021/1021.3 Operating manual In order to avoid breakdowns of the tractor PTO, manufacturers of agricultural machinery with active working tools (rotary tillers, forage harvesters, mowers, fodder distributors, balers, etc.) must use mechanical clutches in their designs. Attention: The manufacturer of the machine must warn you beforehand of the need to use...
  • Page 110 BELARUS-1021/1021.3 Operating manual Control lifting or turning the unitized machine with the driveshaft connected to avoid damaging or thrusting of the driveshaft to the tractor elements. Ensure a safe distance between the driveshaft and the tractor towing coupler TC-1 (cross-beam on the lower rod ends of the hitch linkage) 70 mm min.
  • Page 111 BELARUS-1021/1021.3 Operating manual When installing a driveshaft on the MTU, observe the requirements listed in the table below. Requirement Figure Installing a driveshaft with a safety guard and a PTO visor and a restraining chain ensure safety of the joint Overlapping of the driveshaft telescopic elements must be 110 mm min.

  • Page 112: Liquid From Tires

    BELARUS-1021/1021.3 Operating manual 6.10Determining weight of tractor, machine and ballast, loads on TC and HL, tires and axles of tractor, criteria of controllability. Procedure of filling tires with liquid and discharging liquid from tires The tractor and its structural elements, including tires, are designed for reliable operation in a certain range of vertical loads and speeds as set forth in this operating manual for the tractor.
  • Page 113 - weigh the front axle (with a lowered RHL); - weigh the rear axle (with a raised RHL); Specifications of 1021/1021.3 tractor with trailers and semi-trailers Parameter name Parameter value 1. Drawbar category as per GOST 27021 2.
  • Page 114 BELARUS-1021/1021.3 Operating manual Divide the obtained actual load on the weighed axle of the tractor by two to obtain the load on an individual wheel. Then, depending on the resulting load and speed at which the tractor in the MTU will operate when performing agricultural operations, determine using Table Standard loads on tires for selection of operating mode at various internal pressures above the pressure to set in the wheel tire for the given axle.
  • Page 115 BELARUS-1021/1021.3 Operating manual Attention: It is strictly forbidden to fill the tires with water (solution) over 75% of their volume, because an excessive volume of fluid can result in destruction of tires (casings or tubes)! Using water (solution) in the front and especially in the rear tires significantly increases the rigidity of the tires, the depth of trace and soil compaction.
  • Page 116 BELARUS-1021/1021.3 Operating manual 1 – valve; 2 – wheel. Fig. 6.10.1 — Wheel position when filling in liquid WATER 1 – tire; 2 – combined air/water valve. Fig. 6.10.2 — Pattern of filling tires with fluid Procedure of partial discharge of water or aqueous solution from wheel tires For partial removal of the liquid, proceed as follows: 1.

  • Page 117: Working With Plows

    - allowable rated tractive force : for 1021/1021.3tractors — 18.0 kN max.; í depth of travel (processing) of working tools, m For unitizing of BELARUS-1021/1021.3 tractors, plows with a coverage of 1,4 m max. are normally used. As a rule, BELARUS-1021/1021.3 tractors in plowing units are used as per the “tractor wheels in the furrow”...
  • Page 118 Table below lists recommended travel speeds of BELARUS-1021/1021.3 tractors in MTUs with different types of machines. Choosing speed mode...

  • Page 119: Safety Precautions When Using Tractor In Mtu

    BELARUS-1021/1021.3 Operating manual 6.13 Safety precautions when using tractor in MTU To ensure trouble-free operation of the tractor and unitized machines, as well as to avoid accidents and emergencies, read this operating manual and the operating manual of the machine unitized with your tractor.

  • Page 120: Safety Precautions For Intended Use Of Tractor And Machines In Mtu

    BELARUS-1021/1021.3 Operating manual 6.13.1.11 When driving on public roads, observe the following requirements: - drive only with the flashing beacon on; - do not use the working headlights, because this leads to dazzling of other road users; - driving the tractor in a unit with agricultural machines with filled tanks (process material such as fertilizers, seeds, etc.) on public roads is prohibited.

  • Page 121: Safety Requirements For Unitizing Tractor With Mounted And Semi-Mounted Machines

    BELARUS-1021/1021.3 Operating manual 6.13.2.15 Install ballast weights and counterweights only in designated fastening points in accordance with the recommendations. 6.13.2.16 Observe the permissible vertical static loads on the axles, tires, the total operating weight and vehicle dimensions. 6.13.2.17 The disconnecting slings for the quick-release joint should hang freely and must not spontaneously open in the lower position.

  • Page 122: Safety Requirements For Unitizing Tractor With Trailed And Semi-Trailed Machines

    BELARUS-1021/1021.3 Operating manual 6.13.3.4 Ensure reliable lateral fixation of the lower rods of the three-point hitch linkage of the tractor using strainers if the unit is in the transport position. When driving on public roads with a machine in the transport position with the unit raised, lock the three-point hitch linkage in the upper position to avoid spontaneous lowering of the unit and provide a sufficient clearance between the machine elements and the road (300 mm min.).

  • Page 123: Safety Requirements Forunitizing Tractor With Machines Operating Under Pressure

    BELARUS-1021/1021.3 Operating manual 6.13.6 Safety requirements for unitizing tractor with machines operating under pressure 6.13.6.1 Always consider a high pressure in the hydraulic and pneumatic systems of the tractor and unitized machines. 6.13.6.2 Before connecting hydraulic hoses to the hydraulic system of the tractor, make sure there is no pressure in the hydraulic systems of the tractor and unit.

  • Page 124: Troubleshooting

    Broken tightness of the engine charge air Determine the cause of leak and correct it cooler (in BELARUS-1021.3) 3. Engine fumes on all modes of operation 3.1 Black smoke from the exhaust pipe: Clogged engine air cleaner...
  • Page 125 BELARUS-1021/1021.3 Operating manual Trouble, its manifestation Remedy 3.3 Blue smoke from the exhaust pipe: Oil in the combustion chamber as a result of Replace worn piston rings, pistons, sleeves wear of piston rings, pistons, sleeves Excessive oil in the diesel engine crankcase...
  • Page 126 BELARUS-1021/1021.3 Operating manual Trouble, its manifestation Remedy 9 Starter 9.1 When the starter is turned on, the engine crankshaft does not rotate or rotates very slowly Weak tightening of the battery terminals or Clean the terminals and tighten up the oxidized wire terminals.
  • Page 127 Adjust the drive belt tension Excessive wear of bearings Replace the bearings 11 Start preheater (only on BELARUS-1021) Solenoid valve of the engine start preheater does not operate No contact in the circuit of the SPH solenoid Check integrity of the electrical control coil.

  • Page 128: Troubleshooting Of Clutch

    BELARUS-1021/1021.3 Operating manual 7.2 Troubleshooting of clutch Trouble, its manifestation Remedy 1. Clutch does not transmit a full torque (“skids”) No clearance between the release bearing Adjust the clutch pedal free travel as and the release levers — the clutch is “half- described in 8 Maintenance of this Manual.

  • Page 129: Troubleshooting Of Rear Axle

    BELARUS-1021/1021.3 Operating manual 7.3 Troubleshooting of rear axle Trouble, its manifestation Remedy High noise in the final bevel gear and pinion Maladjusted mesh of the final drive pinion Adjust the mesh and clearance in the and the differential bearings. bearings.

  • Page 130: Troubleshooting Of Brake System

    BELARUS-1021/1021.3 Operating manual 7.5 Troubleshooting of brake system Trouble, its manifestation Remedy 1. Inefficient braking Increased travel of pedals. Adjust the service brake pedal free travel as specified in 8 Maintenance of this Manual. Worn out friction brake disks. Replace friction disks.

  • Page 131: Troubleshooting Of Pneumatic System

    BELARUS-1021/1021.3 Operating manual 7.6 Troubleshooting of pneumatic system Trouble, its manifestation Remedy 1. Insufficient air pressure in the cylinder, the pressure increases slowly and drops rapidly when the engine is stopped Air leakage from the pneumatic system due to the following reasons:...
  • Page 132 BELARUS-1021/1021.3 Operating manual Trouble, its manifestation Remedy 6. Pressure regulator operates in the safety valve mode The adjusting cap of the pressure regulator is Adjust the pressure regulator. screwed in too much. Jammed dummy piston of the pressure Disassemble the pressure regulator and regulator.

  • Page 133: Troubleshooting Of Steering

    BELARUS-1021/1021.3 Operating manual 7.7 Troubleshooting of steering Trouble, its manifestation Remedy 1. Too much effort on the steering wheel. No or insufficient oil pressure in the steering hydraulic system (oil pressure in the steering hydraulic system must be 14 to 16 MPa) because of: - insufficient oil level in the tank;...
  • Page 134 BELARUS-1021/1021.3 Operating manual Trouble, its manifestation Remedy 5. Steering wheel does not return to neutral, the metering pump tends to rotate spontaneously. Too high friction or slight jamming in the Eliminate friction in the steering column mechanical parts of the steering column.
  • Page 135 BELARUS-1021/1021.3 Operating manual Trouble, its manifestation Remedy 11. Oscillations of steerable wheels (shimmy) when driving. Too high play in the joint pins of the steering Tighten up the nuts of the fingers and rods and hydraulic cylinder steering rod joints.

  • Page 136: Front Driving Axle

    BELARUS-1021/1021.3 Operating manual 7.8 Front driving axle Trouble, its manifestation Remedy 1. The front axle does not engage automatically in case of rear-wheel slip activated when driving the tractor forward Worn out parts of the freewheeling clutch of Replace the freewheeling clutch.
  • Page 137 BELARUS-1021/1021.3 Operating manual Trouble, its manifestation Remedy 4. Noise at maximum turn angle of wheels Incorrect operation mode. Check the FDA drive engagement mode and operates in positive engagement mode. set the switch to OFF or Automatic Incorrect limit wheel turn angle of steerable Check and adjust the FDA reducer turn angle wheels.

  • Page 138: Troubleshooting Of Hydraulic Linkage System

    BELARUS-1021/1021.3 Operating manual 7.9 Troubleshooting of hydraulic linkage system Trouble, its manifestation Remedy 1. Hitch without a load does not rise, when any of the control levers of the extension cylinder distributor is set to the position of lifting or lowering, the characteristic sound...
  • Page 139 BELARUS-1021/1021.3 Operating manual Trouble, its manifestation Remedy 6. Pump does not unload on the whole travel of the hitch with a load at position control when the hitch gets to the given position If at minor shifts of the positional lever in the...

  • Page 140: Troubleshooting Of Air Conditioner Unit

    Note – Air conditioner is installed on BELARUS-1021.3 tractors on request. The basic configuration of BELARUS-1021/1021.3 includes a heater fan. Possible troubles and remedies for the heater fan are listed below.

  • Page 141: Troubleshooting Of Fan Heater

    BELARUS-1021/1021.3 Operating manual 7.11 Troubleshooting of fan heater Trouble, its manifestation Remedy 1. Warm air is not supplied to the cab No water circulation through the heating unit for the following reasons: – heater valve closed; Open the heater valve;...

  • Page 142: Maintenance

    BELARUS-1021/1021.3 Operating manual 8. MAINTENANCE 8.1 Guidelines for maintenance Maintenance (M) is necessary to maintain the tractor in operable condition during operation. Failure to comply with the established intervals and low maintenance quality greatly reduce the service life of the tractor, lead to an increase in the number of failures, fall in the engine power and increase in the costs of tractor operation.

  • Page 143: Ensuring Access To Tractor Parts For Maintenance

    (earlier or later) is allowed for M-1 and M-2 by plus 10%, and for M-3 by 8.2 Ensuring access to tractor parts for maintenance 8.2.1 Ensuring access to parts during maintenance of BELARUS-1021 tractors Before any maintenance work, lift, then lock the hood (1) (Fig. 8.2.1) hinged on the tractor front.

  • Page 144: Ensuring Access To Parts During Maintenance Of Belarus-1021.3 Tractors

    - make sure that the mask (2) is securely locked in the raised position. Do not open the mask and hood at the same time. Fig. 8.2.2 — Diagram of mechanism of raising, locking, and lowering hood of BELARUS-1021.3 tractor To install the sides (4) and (5) (Fig.

  • Page 145: Maintenance Procedure

    BELARUS-1021/1021.3 Operating manual 8.3 Maintenance procedure Table 8.2 lists intervals and content of scheduled maintenance of BELARUS-1021/1021.3 tractors during operation. Table 8.2 Operation name Interval, hours 8— 1,00 2,00 Check oil level in the engine crankcase. × Check coolant level in engine heat exchanger ×...
  • Page 146 BELARUS-1021/1021.3 Operating manual Table 8.2, continued Operation name Interval, hours 8— 1,00 2,00 Pour off sediment from the fine fuel filter. × Service the storage battery × Service the alternator × Lubricate the clutch release bearing × Lubricate the HSU cylinder joints ×...
  • Page 147 Adjust the engine lubrication system oil pressure As necessary ________________________________________________________________________________ For BELARUS 1021.3, when an air conditioner installed on request instead of the fan-heater. When the RHL is equipped with lower rods with Walterscheid grapples. For BELARUS-1021.3. The operation is performed once with the first STM (after 8 to 10 service hours) performed by the consumer and then after every 125 service hours of the tractor.

  • Page 148: Scheduled Maintenance Operations

    BELARUS-1021/1021.3 Operating manual 8.4 Scheduled maintenance operations 8.4.1 Shift-time maintenance (STM) after each 8-10 service hours or daily Operation 1. Check oil level in engine crankcase Check the oil level installing the tractor on a flat surface and not less than 3-5 minutes after...
  • Page 149 Before checking the oil level, install the tractor on a flat horizontal surface. The engine must be killed. Checking oil level in HSU tank on BELARUS-1021 tractors Check oil level in HSU oil tank (3), proceeding as follows: Unscrew the filler cap (1);...
  • Page 150 CAC heat exchanger. Check cleanliness of the hood mask grill and the cores of the engine heat exchanger and the CAC heat exchanger (for 1021.3). If they are clogged, clean them with a soft brush and blow with compressed air.
  • Page 151 Operating manual Operation 7. Checking fastening of air conditioner hoses Note — The operation is performed for BELARUS-1021.3 tractors, when an air conditioner installed on request instead of the fan-heater. The conditioner hoses must be securely fastened with tension bands. Do not allow contact of the hoses with tractor’s moving parts.
  • Page 152 Operation 12. Remove condensate from the tanks of the heat exchanger of the engine charge air cooler Note — The operation is performed on BELARUS 1021.3 tractors every 8-10 service hours or every shift during fall and winter, and every 125 service hours during spring and summer.

  • Page 153: Maintenance After Each 125 Service Hours

    BELARUS-1021/1021.3 Operating manual 8.4.2 Maintenance after each 125 service hours Perform the above operations plus the following: Operation 13. Check tightening of wheel threaded connections Note — The operation is performed once with the first STM (after 8 to 10 service hours) performed by the consumer and then after every 125 service hours of the tractor.
  • Page 154 BELARUS-1021/1021.3 Operating manual Operation 16. Clean filters of cab air conditioning and heating system To clean the filter of the cab air conditioning and heating system, proceed as follows: - lift the cab roof (1) (Fig. 8.4.10). - unscrew the two mounting bolts and remove the filter cover (2) together with two filter elements (3).
  • Page 155 BELARUS-1021/1021.3 Operating manual Operation 18. Lubricate bearings of pivot axles of FDA parallel-shaft wheel reducers Lubricate the oilers of the upper and lower pivot axles of the wheel reducers proceeding as follows: - unscrew the four protective caps (1) (Fig. 8.4.12);...
  • Page 156 1 – tray; 2, 3, 3 – nut; 4 – control filter element; 5 – basic filter element; 6 – housing. Fig. 8.4.14 — Check engine air cleaner of BELARUS-1021 tractors Attention: untimely maintenance of air cleaner worsens air cleaning and leads to dust in...
  • Page 157 - set the hood mask to its original position. 1 — latch; 2 — cover; 3 — basic filter element. Fig. 8.4.15 — Check engine air cleaner of BELARUS-1021.3 tractors Attention: untimely maintenance of air cleaner worsens air cleaning and leads to dust in...
  • Page 158 Operating manual Operation 23. Check / adjust tension of air conditioner compressor drive belt. Note — The operation is performed for BELARUS-1021.3 tractors, when an air conditioner installed on request instead of the fan-heater. Check tension of the air conditioner compressor drive belt: tension of the belt (1) (Fig.

  • Page 159: Maintenance After Each 250 Service Hours

    Perform the above operations plus the following: Operation 24. Pour off sediment from fine fuel filter of engine Pour off sediment from fine fuel filter on BELARUS-1021 tractors with D-245 engine. - unscrew by 1...2 turns the air bleed plug (1) (Fig. 8.4.17).
  • Page 160 BELARUS-1021/1021.3 Operating manual Operation 25. Maintenance of storage batteries Note — Perform the operation every 250 service hours of the tractor, but at least every three months. To service the storage batteries, proceed as follows: - clean the batteries of dust and dirt;...
  • Page 161 BELARUS-1021/1021.3 Operating manual Operation 27. Lubricate clutch release bearing To lubricate the clutch release bearing, proceed as follows: - unscrew the plug (1) (Fig. 8.4.21) on the left side of the clutch housing (2); - insert the tip of the lever-plunger injector into the opening;...
  • Page 162 BELARUS-1021/1021.3 Operating manual The clutch pedal free travel as measured with the engine off must be 40 to 50 mm. If the value is too high or too low, adjust the clutch pedal free travel. To adjust the clutch pedal free travel, proceed as follows: - remove the cotter pin and remove the finger (2) (Fig.
  • Page 163 BELARUS-1021/1021.3 Operating manual Operation 30. Change engine oil Before changing oil, warm up the engine to the normal operating temperature (70°C min.), install the tractor on an even surface, kill the engine and brake tractor with the parking brake. To change oil in the engine crankcase, proceed as follows: - remove the cover (2) (Fig.
  • Page 164 BELARUS-1021/1021.3 Operating manual filtro 009 - 1012005 Evacuación del aceite 1 — filter housing; 2 - liquid-oil heat exchanger (LOHE); 3 — connecting piece; 4 — filter gasket; 5 — LOHE gasket; 6 — anti-drain valve; 7 — bypass valve; 8 — safety valve; 9 —...
  • Page 165 BELARUS-1021/1021.3 Operating manual 1 — joint; 2 — plug; 3 — lock wire; 4 — steering rod. Fig. 8.4.27 — Check/adjust plays in steering rod joints Attention: If tightening the threaded plugs does not eliminate the play in the joints, disassemble the joint and replace worn out parts! Operation 33.

  • Page 166: Maintenance After Each 500 Service Hours

    - install the oil gage stick (1), and the cap (5), and the floor cover to place. To check the oil level in the transmission of BELARUS-1021/1021.3 tractors with a speed reducer (hydraulic speed reducer), proceed as follows: - install the tractor on an even place;...
  • Page 167 Operating manual Operation 36. Check the oil level in the wet brake housings Note — The operation is performed on BELARUS-1021/1021.3 tractors equipped with the brakes working in oil bath (wet brakes) installed on request. To check the oil level in the wet brakes housing, proceed as follows: - install the tractor on an even surface;...
  • Page 168 BELARUS-1021/1021.3 Operating manual Check the oil level in the FDA central gear, proceeding as follows: - unscrew the check-filler plug (1) (Fig. 8.4.32) in one of the axle beam tubes; - the oil level must reach the threaded hole in the plug (1);...
  • Page 169 (wet brakes), the operation of adjusting the service brake control is identical to the steps below for BELARUS-1021/1021.3 tractors with dry friction brakes. Before adjusting the service brake control, install the tractor on an even horizontal surface.
  • Page 170 Attention — For BELARUS-1021/1021.3 tractors equipped with optional multi-disk brakes working in oil bath (wet brakes), the operation of adjusting the parking-reserve brake control is identical to the steps below for BELARUS-1021/1021.3 tractors with dry friction brakes. Adjust the parking-reserve brake control after adjusting the service brake control.
  • Page 171 BELARUS-1021/1021.3 Operating manual 1 — adjusting bolt; 2 — right brake pedal lever; 3,4 — lever; 5 — pin; 6 — fork; 7 — locknut; 8 — parking brake control lever. Fig. 8.4.35 – Adjust parking-reserve brake control (with lever) Adjust the parking-reserve brake control (option with a rod located under operator’s...
  • Page 172 Operating manual For BELARUS-1021/1021.3 tractors with dry friction brakes For BELARUS-1021/1021.3 tractors equipped with the optional multi-disk brakes working in oil bath (wet brakes) 1 — extension mechanism lever; 2 — extension mechanism; 3 — exhaust mechanism rod; 4 — nut; 5 — lever; 6 — adjusting bolt; 7 — nut; 8 — cotter pin; 9 — lever; 10 — lever.
  • Page 173 Operation 42. Clean filter element of air pressure regulator filter in pneumatic system Note — The operation is performed only on BELARUS 1021/1021.3 tractors with an air pressure regulator 80-3512010. The label tag with the regulator number is located on the area A of the regulator housing.
  • Page 174 Note — The fist change of filter element is performed after 500 service hours of the tractor. Further on, change the filter element every 1,000 service hours. To replace the filter element in the HSU tank of BELARUS-1021 tractors, proceed as follows: - unscrew the four bolts (6) (M6×25) and remove the filter assembly;...
  • Page 175 M6×25; 7 — bolt M6×16; 8 — filter cover; 10 — oil filler cap; 11 — strainer; 13 — HSU tank. Fig. 8.4.39 – Replace filter element in HSU tank of BELARUS-1021 tractors To replace the filter element in the HSU tank of BELARUS-1021.3 tractors, proceed as follows: - unscrew the four bolts (1) (M6×25) and remove the filter assembly (2) (Fig.
  • Page 176 Operation 47. Replace air conditioner filter drain Notes. 1. The operation is performed for BELARUS-1021.3 tractors, when an air conditioner installed on request instead of the fan-heater. 2. Note — Perform the operation every 800 service hours of the tractor, but at least every year.

  • Page 177: Maintenance After Each 1,000 Service Hours

    BELARUS-1021/1021.3 Operating manual 8.4.5 Maintenance after each 1,000 service hours Perform the above operations plus the following: Operation 48. Change lubricant in steering rod joints To change lubricant in steering rod joints, proceed as follows: - remove the lock wire (3) (Fig. 8.4.41);...
  • Page 178 Operating manual Operation 50. Replace fine fuel filter On BELARUS-1021 tractors with a D-245 diesel engine, replace the filter element of the fuel fine filter, proceeding as follows: - drain fuel from the filter by unscrewing the cap (4) (Fig. 8.4.43) at the bottom of the housing;...
  • Page 179 BELARUS-1021/1021.3 Operating manual On BELARUS-1021 tractors with a D-245S diesel engine and BELARUS-1021.3 with a D-245S2 diesel engine, replace the filter element of the fuel fine filter, proceeding as follows: - drain fuel from the filter by unscrewing the cap (4) (Fig. 8.4.45) at the bottom of the housing;...
  • Page 180 BELARUS-1021/1021.3 Operating manual 1 — plug (to bleed air); 2 — plug; 3 — priming pump; Fig. 8.4.46 — Bleed air from fuel supply system of D-245S and D-245S2 diesel engines. Operation 51. Check tightening of bolts fastening cylinder head...
  • Page 181 Fig. 8.4.48 – Change transmission oil Caution: Be careful to avoid contact with hot oil! Operation 53. Change oil in wet brake housings Note — The operation is performed on BELARUS-1021/1021.3 tractors equipped with the brakes working in oil bath (wet brakes) installed on request.
  • Page 182 BELARUS-1021/1021.3 Operating manual To drain the oil from the wet brake housings, perform the following: - install the tractor on an even surface; - unscrew the check-filler plugs (1) (Fig. 8.4.49) in the right and left brake housings; - unscrew the drain plugs (2) in the right and left brake housings and drain oil into a container for waste oil;...
  • Page 183 Caution: Be careful to avoid contact with hot oil! Changing oil level in HSU tank on BELARUS-1021 tractors - remove the oil filler cap (1) (Fig. 8.4.52) and the drain plug (2); - drain oil from the tank to a container for waste oil;...
  • Page 184 Fig. 8.4.52 – Change oil level in HSU tank on BELARUS-1021 tractor Changing oil level in HSU tank on BELARUS-1021.3 tractors To replace the filter element in the HSU tank of BELARUS-1021.3 tractors, proceed as follows: - remove the oil filler cap (2) (Fig. 8.4.53) and the drain plug (3);...
  • Page 185 Caution: Be careful to avoid contact with hot oil! Operation 57. Check/adjust pneumatic system pressure regulator Note — The operation is performed only on BELARUS 1021/1021.3 tractors with an air pressure regulator 80-3512010. The label tag with the regulator number is located on the area A of the regulator housing.
  • Page 186 12 — universal-joint drive intermediate support housing — clutch housing; 13 — steering cylinder pins; 14 — fixtures of air conditioner compressor to engine (on 1021.3 with air conditioner). 1. Check and, if necessary, tighten twelve bolts M16 (six bolts on each side) fastening the girders to the front bar to a torque 160 to 180 N•m;...

  • Page 187: Maintenance After Each 2,000 Service Hours

    BELARUS-1021/1021.3 Operating manual 8.4.6 Maintenance after each 2,000 service hours Perform the above operations plus the following: Operation 60. Check injectors for injection start pressure and fuel dispersion quality The injector is considered to be operable if it disperses fuel into mist from all five nozzle holes, without separately ejected drops, continuous jets and condensations.
  • Page 188 BELARUS-1021/1021.3 Operating manual Operation 61. Check and adjust fuel pump on test bench Remove the fuel pump from the engine to send it to a special shop. Attention: the fuel pump is adjusted by a dealer at a specialized workshop using...
  • Page 189 BELARUS-1021/1021.3 Operating manual - create a positive pressure in the fuel pump head until a continuous jet of fuel emerges from the tube of the check device; - rotating the pump shaft clockwise and maintaining a positive pressure, watch the fuel flowing out of the check device.
  • Page 190 BELARUS-1021/1021.3 Operating manual Check and, if necessary, adjust the setting advance angle of fuel injection with fuel pumps 4UTNI, 4UTNI-T (NZTA OJSC, Russia), 10 1f, 10U1f (Motorpal A.S., Czech Republic, RAAZ OJSC, Russia), proceeding as follows: - set the regulator control lever to the position corresponding to the maximum fuel supply;...

  • Page 191: 7General Maintenance

    BELARUS-1021/1021.3 Operating manual Operation 63. Flush engine cooling system and change coolant To flush the engine cooling system, proceed as follows: - drain the coolant from the engine cooling system - pour two liters of kerosene into the heat exchanger and fill the system with the prepared solution (a solution to flush the engine cooling system —...

  • Page 192: Seasonal Maintenance

    BELARUS-1021/1021.3 Operating manual 8.5 Seasonal maintenance Combine seasonal maintenance with scheduled maintenance. Table 8.3 lists content of works to be performed during seasonal maintenance. Table 8.3 Contents works In transition to fall-winter period (when the In transition to spring-summer period (when...

  • Page 193: Refilling And Lubrication Of Tractorwith Fuels And Lubricants

    2006 with BDL-F-50 with sulfur TU BY sulfur content content of 500036524. 121- of 350 ppm 350 ppm 2008 (0.035%) (0.035%) max. max. Grade F Same diesel fuel as in fuel tank (0.25 ± 1021 with SPH Start preheater 0.01) tank...
  • Page 194 BELARUS-1021/1021.3 Operating manual Table 8.4, continued 2 Oils 2.1 Diesel Summer engine oil Motor oil Motor oils None Castrol Turbomax SAE crankcase Lukoil- M-10DM, 15W-40, Avangard M-10G Hessol Turbo Diesel SAE SAE 15W- GOST 15W-40, (12.0±0.12) 1021/1021.3 8581-78 Essolube XD-3...
  • Page 195 GOST 80W-90 parallel-shaft) 23652-79 -15M API GL5; TU 38.401-58- 305-2002 2.7 FDA housing Transmissio Transmission oil None HESSOL (3.9±0.04) 1,000 1021/1021.3 TAD-17i, TSp- BECHEM (portal, n oil (with long-beam HYPOID parallel-shaft TAp-15V FDA) GOST 23652-79, with long GOST 80W-90 beam)
  • Page 196 GOST GOST 4366-76 21150-87 Solid oil ZH grease GOST 1033-79 3.3 FDA reducer Lubricant BECHEM Solid oil S BECHEM 0.12±0. 1,000 1021/1021.3 pivot bearing Litol-24 LCP-GM grease LCP-GM GOST GOST 4366- 21150-87 Solid oil ZH grease GOST 1033-79 3.4 Steering...
  • Page 197 BELARUS-1021/1021.3 Operating manual End of Table 8.4 4 Special fluids 4.1 Engine 1 Cold-proof coolant Coolant None MIL-F-5559 (21.5± 0.2) once 1021 OZH-40 (BS 150) cooling Tosol Dzerzhinsky TC-40 every (to minus 40° ) (USA), system (to minus 40°C) OZH-65...

  • Page 198: Storage Of Tractor

    BELARUS-1021/1021.3 Operating manual 9. STORAGE OF TRACTOR 9.1 General instructions For long-time storage of the tractors on open yards, remove, prepare for storage and send to Tractors must be stored according to the warehouse electrical equipment, parts from recommendations of GOST 7751-85 indoors rubber, plastics, textile (hydraulic hoses, etc.),...

  • Page 199: Requirements To Inter-Shift Storage Of Machines

    BELARUS-1021/1021.3 Operating manual Requirements short-time It is permitted to store pneumatic tires in unloaded state on tractors installed on storage of machines supports. Apply a protective composition to Install the tractor for storage complete the tires. Lower the tire pressure to 70% of...

  • Page 200: Depreservation

    BELARUS-1021/1021.3 Operating manual Preservation of inner surfaces of the engine 9.7 Re-preservation is carried out after running in the tractor by Re-preserve the tractor in case when any filling rust-preventive additive PFINDER AR faults in preservation are found during storage 241.

  • Page 201: Safety Requirements For Preservation

    BELARUS-1021/1021.3 Operating manual 9.9 Safety requirements for Prolonged exposure of hand skin to preservation preservation oils, greases and fluids can result in its lesions. White spirit vapors in low To perform the process of preservation concentrations act as a weak narcotic...

  • Page 202: Transporting And Towing Of Tractor

    BELARUS-1021/1021.3 Operating manual 10. TRANSPORTING AND TOWING OF TRACTOR The tractors are transported by railroad, in trucks and trailers, as well as by towing and by driving them. When transporting the tractors, do: - shift the range shifter lever of the GB to the position of Ist range engaged;...

  • Page 203: Disposing Of Tractor

    BELARUS-1021/1021.3 Operating manual 11 DISPOSING OF TRACTOR When disposing of the tractor after its Attention — When performing service (operation) life, do the following: maintenance routine repairs, send - drain and send for recycling according to changed fuels and lubricants for recycling,...

  • Page 204: Appendix A Electric Circuit Diagram Of Rear Axle Dl And Pto Of Belarus - 1021/1021.3 Tractor

    BELARUS-1021/1021.3 Operating manual...

  • Page 205: Appendix B Electric Circuit Diagram Of Belarus - 1021/1021.3 Tractors

    BELARUS-1021/1021.3 Operating manual APPENDIX B (informative) Electric circuit diagram of BELARUS–1021/1021.3 Table B.1 lists items of the electric circuit diagram of BELARUS-1021/1021.3 tractors presented on Figure B.1. Table B.1 Designation Name Qty. Note Cassette radio recorder Spark plugs Control panel Air conditioner A4.1...
  • Page 206 BELARUS-1021/1021.3 Operating manual Table B.1, continued Designation Name Qty. F1…F4 Fuse blocks Fuse FU2,FU3 Fuse link 25 A Alternator 14V,1150 W GB1,GB2 Storage battery 12V, 88 Ah. Horn Signal relay switch HG1,HG2 Pilot lamp unit HL1...HL3 Roadtrain sign lamp switch...
  • Page 207 BELARUS-1021/1021.3 Operating manual End of Table A.1 Designation Name Qty. Note Fan motor ballast resistor Roadtrain sign lamp switch SA2,SA3,SA11 Headlight switch Fan switch Windshield wiper switch Starter switch with start lock Combined switch Ground switch Windshield washer switch Light switch...
  • Page 208 Heater lock instrumentation switch switch switch relay switch spark plug unit power supply relay switch Figure B1, Sheet 1 — Electric circuit diagram of BELARUS-1021/1021.3 tractors...
  • Page 209 BELARUS-1021/1021.3 Operating manual...

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