Belarus T25A T25A2 T25A3 250AS 2 4W Diesel Tractor Service Manual

Description

This 244 page, Belarus 250 2 & 4W Diesel Tractor Service Manual is a reproduction of the original, out of print manual. This printed manual is Intended for persons who repair T25A, T25A2 and T25A3 tractors. It is an aid in disassembling and assembling the tractor and its units when remedying in-service faults. The Manual presents a brief description of the design of tractor units, specifications of the tractor and its units, listing of tools and equipment needed, assembly requirements, and safety precautions during disassembly/assembly operations. Operation sheets included in the Manual indicate the equipment, tools and devices needed in disassembly/assembly operations, describe in the operating sequence all jobs performed in disassembling and assembling the tractor, its units and parts. Tools and equipment needed for performing the jobs described in an operation sheet are listed at the beginning of each sheet.

Model Coverage

Belarus T25A Tractors
Belarus T25A2 Tractors
Belarus T25A3 Tractors
Belarus 250AS Tractors

Table of Contents

INTRODUCTION
Application of Repair Manual
Specifications of Tractor
Tractor Repair Hints
SAFETY PRECAUTIONS DURING DISASSEMBLY/ASSEMBLY OPERATIONS
EXTERNAL CLEANING OF TRACTOR
Equipment, Devices, Tools
External Cleaning of Tractor and Its Units
Cleaning of Small Units and Parts of Tractor
ELECTRICAL EQUIPMENT AND INSTRUMENTS
General
Requirements to Assembly of Electrical Equipment and Instruments
Storage Battery
Removal and Mounting of Storage Batteries
Alternator
Removal of Alternator from Tractor
Disassembly and Assembly of Alternator
Starter
Removal of Starter
Disassembly and Assembly of Starter
Alternator Regulator PP362E
Removal and Mounting of Alternator Regulator, Headlamps and Lights
Removal and Mounting of headlamps
Removal anR Mounting of Rear Lamps
Removal and Mounting of Side lights
AIR CLEANER
Removal and Mounting of Air Cleaner
Disassembly and Assembly of Air Cleaner
COARSE FUEL FILTER
Removal and Mounting of OT25 Filter
Disassembly and Assembly of OT25 Filter
DIESEL ENGINE
General
Main Adjusting Data
Removal of Engine from Tractor
Disassembly of Engine, Piston, Piston Pin, Connecting Rod, Cylinder
Removal and Mounting of Piston, Piston Pin, Connecting Rod, Cylinder
Cylinder Head, Valve Gear and Valve Cover
Disassembly and Assembly of Cylinder Head
Balancer Mechanism
Removal and Mounting of Crankshaft
Disassembly and Assembly of Crankshaft
Disassembly and Assembly of Crankcase
Disassembly and Assembly of Camshaft
Disassembly and Assembly of Decompressor
Disassembly and Assembly of Oil Pump
Disassembly and Assembly of Oil Filter
Operation Sheet 2 Disassembly and Assembly of Relief Valve
Disassembly and Assembly of Fine Fuel Filter
Disassembly and Assembly of Injection Pump
Disassembly and Assembly of Injector
Cooling System
Disassembly and Assembly of Fan
Running-In and Testing of Engine
FUEL TANK
Removal and Mounting of Fuel Tank
CAB
Removal and Mounting of Cab
PLATFORM
Removal and Mounting of Platform
CLUTCH
Removal and Mounting of Clutch
STEERING
Removal and Mounting of Steering Wheel
Removal and Mounting of Steering Column
WHEELS
Removal and Mounting of Front Wheels
Removal and Mounting of Rear Wheels
FRONT AXLE
Removal of Front Axle
SEAT
Removal and Mounting of Seat
COWLING
Removal and Mounting of Hood
Removal of Front Fenders
BRAKES
Removal of Sleeve with Brake
Removal and Mounting of Final Drive
FINAL DRIVE
HYDRAULIC SYSTEM
Hydraulic Control Valve
Removal and Mounting of Hydraulic Control Valve
Hydraulic Pump and Drive
Removal and Mounting of Pump and Drive
Hydraulic Power Cylinder
Removal and Mounting of Power Cylinder
Hydraulic Mechanism Housing
Replacement of Hydraulic Mechanism Housing
LIFT LINKAGE
Removal and Mounting of Lift Linkage
POWER TAKE-OFF (PTO)
Removal and Mounting of PTO
Major Defects of Transmission to Require Its Removal from Tractor for Repair or Replacement
Requirements to Transmission Assembly
Disassembly and Assembly of Transmission
REQUIREMENTS TO DISASSEMBLY AND ASSEMBLY OF PARTS, UNITS AND MECHANISMS
General Requirements to Tractor Chassis Assembly
Requirements to Assembly of General Parts and Units
Filling and Lubrication
PAINTING THE TRACTOR AND ITS PARTS
APPENDIX SUMMARY LIST OF EQUIPMENT, DEVICES AND TOOLS NEEDED FOR RUNNING REPAIR OF T25A, T25A2, T25A3 TRACTORS