Description
Komatsu D155A-6 Japan Bulldozer Workshop Manual provides comprehensive service, maintenance, testing, troubleshooting and repair information for the Japanese-market version of the Komatsu D155A-6 crawler bulldozer.
This extensive 1,344-page workshop manual contains the technical information required to inspect the machine, diagnose faults and complete routine servicing or major repairs. It is suitable for professional engineers, plant repair workshops, fleet maintenance departments and experienced owners maintaining this Komatsu bulldozer.
Detailed specifications, testing procedures, adjustment instructions and step-by-step repair guidance are provided throughout the manual. Technical illustrations, sectional drawings and diagrams assist with component identification, dismantling, inspection, reassembly and installation.
ENGINE INFORMATION
The engine sections provide technical information for checking, servicing and repairing the engine and its associated systems. Specifications and inspection procedures can be used to assess component condition and identify worn or damaged parts.
Engine-related subjects include:
• Engine specifications and technical data
• Cooling-system components
• Fuel-system inspection and servicing
• Lubrication-system information
• Air-intake and exhaust components
• Testing and adjustment procedures
• Engine removal and installation
• Component inspection and repair guidance
POWERTRAIN AND TRANSMISSION
The powertrain sections explain the construction, operation, testing and servicing of the components that transmit power through the machine. Information is included to assist with diagnosing poor performance, abnormal operation and powertrain faults.
Subjects can include:
• Transmission components
• Torque converter and associated parts
• Drive shafts and couplings
• Steering and braking systems
• Final-drive assemblies
• Powertrain testing and adjustment
• Removal and installation procedures
• Inspection and repair information
HYDRAULIC SYSTEM
The hydraulic system sections provide information covering the pumps, control valves, cylinders, pipework and operating circuits used on the bulldozer.
Hydraulic information includes:
• Hydraulic-system specifications
• Circuit and system information
• Hydraulic pump components
• Control valves and operating controls
• Blade lift and tilt circuits
• Hydraulic cylinders and connections
• Pressure testing and adjustment
• Leakage and performance checks
• Troubleshooting hydraulic faults
• Component removal and installation
UNDERCARRIAGE AND WORK EQUIPMENT
The undercarriage is a major area of wear on any crawler bulldozer. This manual provides inspection and servicing information for the track system and associated components.
Undercarriage and work-equipment subjects include:
• Track frames and track assemblies
• Track chains, shoes and links
• Rollers, idlers and sprockets
• Track adjustment procedures
• Wear limits and inspection guidance
• Blade and mounting components
• Linkages, pins and bushes
• Work-equipment removal and installation
• Inspection and repair procedures
ELECTRICAL SYSTEM
Electrical information is included to assist with identifying components, understanding the system and diagnosing electrical problems. Wiring information and testing procedures can help engineers locate faults before replacing components.
Electrical subjects include:
• Starting and charging systems
• Batteries and electrical connections
• Switches, sensors and warning devices
• Instruments and monitoring equipment
• Wiring and electrical circuits
• Electrical testing procedures
• Fault diagnosis and troubleshooting
• Component removal and installation
TESTING, ADJUSTMENT AND TROUBLESHOOTING
The Komatsu D155A-6 Japan Bulldozer Workshop Manual contains testing and adjustment information for checking machine performance and determining the cause of faults.
Troubleshooting sections guide the engineer through a logical series of checks. These procedures can help distinguish between mechanical, hydraulic and electrical problems and reduce unnecessary component replacement.
Testing and adjustment information may include:
• Standard service measurements
• Pressure and performance checks
• Wear limits and inspection standards
• Operating condition tests
• Adjustment procedures
• Fault symptoms and possible causes
• Recommended inspection sequences
• Corrective action guidance
REMOVAL AND INSTALLATION
Step-by-step information is provided for the removal and installation of major components and assemblies. These procedures help engineers plan repair work, select suitable lifting equipment and understand the correct order of dismantling and reassembly.
Appropriate workshop equipment, safe lifting methods and the specified tightening procedures should always be used when completing major repairs.
MODEL COVERED
Komatsu D155A-6 Bulldozer
MARKET VERSION
Japan
MANUAL DETAILS
Manual type: Workshop Manual
Format: Digital PDF
Language: English
Number of pages: 1,344
This workshop manual is intended to support mechanical diagnosis and repair. For everyday machine controls, operating procedures and routine service schedules, the corresponding operation and maintenance manual should also be consulted.
The Komatsu D155A-6 Japan Bulldozer Workshop Manual is an essential technical reference for anyone responsible for servicing or repairing this machine. Its detailed procedures and illustrations provide valuable support when diagnosing faults, inspecting components and completing repairs correctly.
Having the manual available before work begins allows specifications, adjustment values, inspection procedures and component arrangements to be checked. This can save workshop time and help prevent errors during dismantling and reassembly.
Download instructions are supplied following purchase, allowing the complete digital PDF manual to be delivered electronically.
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