Komatsu D150A and D155A - Repair, Service Manual and Electrical Wiring Diagrams

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BULLDOZER KOMATSU D150A & D155A - WORKSHOP, SERVICE, REPAIR MANUAL - WIRING DIAGRAMS

- English Service Manual and Wiring Diagrams, to Bulldozer Komatsu D150A and D155A.

CONTENTS:

Contents
Safety
- How to read the shop manual
- Hoisting instructions
- Standard tightening torque
01 General
- Specifications
- General assembly drawing
- Engine specifications
- Weight table
- Position of serial numbers (Engine)
- Position of serial numbers (body)
- Table of oil and coolant
11 Engine structure and function
- Radiator, fan
- Oil cooler
- P.T.O
- Engine control
- Fuel piping
12 Engine Testing and adjusting
- Tool list
- Trouble shooting criteria
- General instructions
- Intake ans exhaust system
- Engine body
- Lubrication system
- Fuel system
13 Engine disassembly and assembly
- Dismounting turbocharger
- mounting turbocharger
- Dismounting engine oil cooler
- Mounting engine oil cooler
- torque convertor oil cooler
- Nozzle holder
- Fuel injection pump
- Fan belt
- Water pump
- Starting motor
- Alternator
- Cylinder head
- Fuel tank
- Radiator guard
- Radiator
- Engine
21 Power traing Structure and functions
- General
- Main clutch
- Inertia brake
- Transmisssion D150A
- Double mesh preventive device
- Torque convertor
- Transmission D155A
- Torqflow
- Transmission lubrication relief vanlve
- Transmission control valve
- Transmission pump
- Bevel gear shaft and steering clutch
- Steering and brake piping
- steering hydraulic system
- Brake hydraulic system
- Steering brake and booster D150A AND D155A
-- Steering control valve
-- Steering and brake piping
-- Steering and brake hydraulic circuit
- Steering brake and booster D155A 25001
- Steering control valve d155a 25001
- Steering pump
- Final drive
22 power train testing and adjusting
- Main clutch hydraulic control
- Torqflow hydraulic control
- Steering hydraulic control
- Brake hydraulic control
- Table of oil pressure measuring points
- Procedure for measuring oil pressure and temperature
- Procedure for measurment of lever and pedal travel
- Adjustment procedure for strokes
- Adjusting main clutch
- Table of maintenance standerds
23 Power train disassembly and assembly
- pto and flywheel
- Main clutch
- Transmission assembly
- Torque convertor
- Torque convertor relief valve
- Torque converter regulator valve
- Torqflow transmission D155 15001 - 25000
- Torqflow transmission D155A Sn 25001
-- Mounting Torqflow transmission
-- Dismounting Transmission control valve
-- Mounting transmission control valve
-- Transmission lubrication valve
-- Steering clutch
- Bevel gear and bevel gear shaft
- Final drive
- Steering control valve
- Steering brake interlocking valve
- Brake safety valve
- Brake booster
- Final drive
- Torqflow pump
- Steering pump
- Torque converter oil cooler
- Floor frame
- Rops cab
- Fuel tank
- Radiator
- Radiator guard
24 Power Train Maintenance standard
- Transmission
- Bevel gear shaft and steering system
- Final drive
31 Undercarriage Structure and function
- Track
- Track group
- Recail spring
- Idler
- Track roller, carrier roller
- Suspension
32 undercarriage Testing and adjusting
33 indercarriage Disassembly and assembly
- track
- Carrier roller
- Track roller
- Idler
- Recoil spring
- Track frame
34 Undercarriage maintenance standard
- Undercarriage
61 Hydraulic system structure and function
- Hydraulic control
- Hydraulic tank
- Hydraulic control valve
- Ripper selector valve and pilot check valve
- Pin puller valve
- Pilot valve
- Rotary servo valve
- Servo valve hydralic control/valve
- Safety valve
- Cylinders
- Piston valve
- Hydraulic control
62 Hydraulic system testing and adjusting
- General description
- Hydraulic control
- Pin puller control
- Measurment of oil pressure and temperature
- Measurment of operating force
- Table of maintance standard
63 Hydraulic control sysyem Disassembly and assembly
- Disassembly and assembly
- Hydraulic pump
- Hydraulic tank
- Ripper & blade control valve
- Blade tilt control valve
- Blade tilt servo valve
- Ripper servo valve
- Ripper pin puller valve
- Ripper selector valve
- Blade lift cylinder
- Blade tilt cylinder
- Ripper lift & Tilt cylinder
- Ripper pin puller cylinder
64 Hydraulic system Maintance standard
- Torque specifications for nuts and bolts
- Hydraulic control valve
- Cylinders
71 Work equipment structure and function
- Multi ripper
- Giant ripper
72 Work equipment testing and adjustment
- Straight tilt dozer
73 work equipment disassembly & assembly
- Blade
- Ripper
74 Work equipment Maintenance standard
- Torque specifications
- Straight tilt dozer
- Multi ripper
- Giant ripper
90 Others Electrical system
- Electical circuit diagram
- Electical wiring diagram
- Warning module
- Automatic priming system