Komatsu HA250 and HA270 Dump Truck Service Manual

Table of Contents

• FOREWORD
• TYPE OF SEALINGS, COMPOUNDS AND LUBRICANTS
• WEIGHTS AND MEASURES
• TORQUE LIMIT TABLE
• SAFETY IN SERVICE WORK SHOPS
• PRECAUTION FOR DISASSEMBLY AND ASSEMBLY
• GENERAL LOCATION
• DRIVE LINE VIEW
• MACHINE SPECIFICATION (HA270-1)
• MACHINE SPECIFICATION (HA250-1)
• MACHINE SPECIFICATION (HA270-3 & HA250-3)
• PERFORMANCE CHART (HA270-3)
• EXHAUST BRAKE CAPACITY DIAGRAM (HA270-3)
• PERFORMANCE CHART (HA250-3)
• EXHAUST BRAKE CAPACITY DIAGRAM (HA250-3)
• FILLING CAPACITIES
• OIL AND FLUID SPECIFICATION
• TRANSMISSION OIL List

GENERAL
This section lists the general machine dimensions, performance specifications, component weights, and fuel, coolant and lubricant specification charts.

STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
This section explains the structure and function of each component. It serves not only to give an understanding of the structure, but also serves as reference material for troubleshooting.

TESTING, ADJUSTING AND TROUBLESHOOTING
This section explains checks to be made before and after performing repairs, as well as adjustments to be made at completion of the checks and repairs. Troubleshooting charts correlating Problems to Causes are also mention in this section.

DISASSEMBLY AND ASSEMBLY KOMATSU Dump Truck HA250 and HA270

This section explains the order to be followed when removing, installing, disassembling or assembling each component, as well as precautions to be taken for these operations.