Komatsu D155AX-8E0, Operation & Maintenance Manual

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METHOD FOR CHECKING WATER PUMP
Check around water pump (1) for coolant leakage and oil leak-
age, and check drain hole (2) for clogging.
If any abnormality is found, ask your Komatsu distributor to
have the parts disassembled, repaired, or replaced.
METHOD FOR CHECKING ALTERNATOR
Ask your Komatsu distributor to have the alternator checked.
If the engine is started frequently, have this inspection performed every 1000 hours.
METHOD FOR CHECKING STARTING MOTOR
Ask your Komatsu distributor to have the starting motor checked.
If the engine is started frequently, have this inspection performed every 1000 hours.
METHOD FOR REPLACING ACCUMULATOR (FOR CONTROL CIRCUIT)
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WARNING
The accumulator is charged with high-pressure nitrogen gas, so mistaken operation may cause an ex-
plosion, which will lead to serious injury or death or damage. For handling, always observe the follow-
ing.
• The pressure in the hydraulic circuit cannot be completely removed. When removing the hydraulic
equipment, do not stand in the direction that the oil spurts out when performing the operation. In
addition, loosen the bolts slowly when performing the work.
• Do not disassemble.
• Do not bring open flame close to it or do not dispose of it in fire.
• Do not perform drilling, welding or flame-cutting.
• Do not hit or roll it, or subject it to any impact.
• When disposing of it, the gas must be released. Ask your Komatsu distributor to have this work per-
formed.
MAINTENANCE PROCEDURE MAINTENANCE
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