Contents

For operator's attention

Introduction

• Accepted abbreviations and conventions
• International characters

Precautions

• General provisions
• Safety requirements for tractor operation
• Safety requirements during maintenance
• Safety requirements for the operation and maintenance of electrical equipment
• Hygiene requirements
• Fire safety requirements

General information

• Weight and dimensions
• Serial numbers of tractor parts
• Diesel and its systems
• Technical data of units
• Gearbox
• Rear axle
• Wheels

Controls and instrumentation

• Controls and devices
• Starter and instrument switch
• Standalone appliances
• Fuses
• Connecting elements of electrical equipment
• Gearbox control
• Front drive axle engagement control
• Two-speed independent PTO drive switch
• Hydraulic pump control
• Hydraulic distributor control
• Compressor control
• Changing the position of the steering wheel
• Seat "Belarus"

Operating instructions

• Preparing the tractor for work
• Running in
• Diesel launch
• Startup under normal conditions
• Starting at low temperatures (+ 4 ° С and below)
• The procedure for starting a diesel engine at low temperatures
• Starting the tractor movement
• Stopping the tractor
• Stopping the diesel
• Hydraulic system
• Steering

Aggregation

• Attachments for coupling agricultural machines to a tractor
• Rear hitch
• Attaching machines to a tractor
• Towing hitch TSU-1Zh
• Front weights
• Mechanism for fixing the hitch in the transport position
• Control of the hydraulic system and the hinged device of a tractor without a power regulator
• Features of the tractor operation with machines requiring a drive from the rear PTO shaft
• Working with trailers and trailed machines
• Use of additional tractor equipment
• Tires
• Liquid ballast
• Installing dual rear wheels

Adjustments

• Setting the front wheel track of the power steering without a hydraulic cylinder in the steering linkage
• FDA with bevel gears. Power steering without cylinder in steering link
• Toe-in adjustment of the front wheels of tractors with power steering
• Setting the rear wheel track
• Rear PTO control mechanism adjustment
• Adjusting the position of the release levers
• Adjusting the hook control mechanism
• Rear axle differential lock control adjustment (tractors with power steering)
• FDA cardan drive adjustment
• Adjustment of tapered roller bearings of guide wheels of tractors Belarus 90

Scheduled maintenance

• Types of tractor maintenance
• Maintenance while preparing the tractor for running-in
• Maintenance during break-in
• Maintenance after running-in (30 hours of operation)
• Maintenance table
• Every 10 hours of operation or daily
• After every 125 hours of operation, perform the previous maintenance plus the following
• After every 500 hours of operation, perform the previous maintenance operations plus the following
• After every 1000 hours of operation, perform the previous maintenance operations plus the following
• After every 2000 operating hours, perform the previous maintenance plus the following
• General maintenance
• Seasonal maintenance
• Maintenance of the tractor in special operating conditions
• Lubrication table
• Refueling tanks
• Adjustment parameters of fuel pumps at the stand

Possible malfunctions and how to fix them

• Diesel
• Clutch
• Rear axle final drive
• Brakes
• Rear PTO
• Front drive axle
• Steering
• Hydraulic linkage system
• Electrical equipment

Tractor transportation and towing

Tractor storage

Disposal of the tractor

Wiring diagram