Komatsu PC700LC-11, Operation & Maintenance Manual

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DEFINED LIFE PARTS LIST
No. Periodical replacement parts Replacement interval
1 Fuel system Fuel hose
Spill hose
Every 2 years or 4000 hours,
whichever comes sooner
Ask your Komatsu distributor
for replacement.
2 Engine lubrication system Turbocharger lubrication hose
Engine oil filter hose
3 Work equipment hydraulic
system Main pump delivery hose
Pump branch hose
Main pump LS hose
Hydraulic drive fan hose (Intake fan)
External work equipment hose
•
Boom foot connection hose
• Boom cylinder hose
•
Arm connection hose
•
Arm cylinder hose
•
Bucket cylinder hose
• Line hose for additional attachment
4 Others PPC accumulator
Attachment additional accumulator
METHOD FOR CHECKING WATER PUMP
Check for leakage of water and oil around the water pump. If any problem is found, ask your Komatsu distributor
to perform disassembly, repair, or replacement.
CHECK OPERATING CONDITION OF COMPRESSOR
Ask your Komatsu distributor for inspection.
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)
k k
WARNING
The accumulator is charged with high-pressure nitrogen gas, and improper operation may cause an ex-
plosion which will lead to serious injury or death. When handling, always observe the following.
• 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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