Komatsu D150A-1 (SN from 08408) and D155A-1 (SN from 15001) Crawler Dozers Workshop Manual (SEBM0170A07R)

Illustrated factory Workshop Manual for Komatsu Crawler Dozers Models D150A-1 and D155A-1.

This manual will assist you in diagnosing, repairing, and adjusting for your crawler dozer.
You can use a Windows, Mac, or Android device to view this manual. You only need to have a PDF reader installed.

Covered Models:
   D150A-1 (SN: 08408-)
   D155A-1 (SN: 15001-)

Format: PDF, 1110 pages
Language: English
Table of Contents:
   Safety
      How to read the shop manual
      Hoisting instructions
      Standard tightening torque
   General
      Specifications
      General assembly drawing
      Engine specifications
      Weight table
      Position of serial numbers (Engine)
      Position of serial numbers (body)
      Table of oil and coolant
   Engine structure and function
      Radiator, fan
      Oil cooler
      P.T.O
      Engine control
      Fuel piping
   Engine Testing and adjusting
      Tool list
      Trouble shooting criteria
      General instructions
      Intake ans exhaust system
      Engine body
      Lubrication system
      Fuel system
   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
   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 brake and booster D155A 25001
      Steering control valve d155a 25001
      Steering pump
      Final drive
   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
   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
      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
   Power Train Maintenance standard
      Transmission
      Bevel gear shaft and steering system
      Final drive
   Undercarriage Structure and function
      Track
      Track group
      Recail spring
      Idler
      Track roller, carrier roller
      Suspension
   undercarriage Testing and adjusting
   indercarriage Disassembly and assembly
      track
      Carrier roller
      Track roller
      Idler
      Recoil spring
      Track frame
   Undercarriage maintenance standard
      Undercarriage
   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
   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
   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
   Hydraulic system Maintance standard
      Torque specifications for nuts and bolts
      Hydraulic control valve
      Cylinders
   Work equipment structure and function
      Multi ripper
      Giant ripper
   Work equipment testing and adjustment
      Straight tilt dozer
   work equipment disassembly & assembly
      Blade
      Ripper
   Work equipment Maintenance standard
      Torque specifications
      Straight tilt dozer
      Multi ripper
      Giant ripper
   Others Electrical system
      Electical circuit diagram
      Electical wiring diagram
      Warning module
      Automatic priming system