Komatsu PW118MR-11, Operation & Maintenance Manual

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MAINTENANCE PROCEDURE
INITIAL 50 HOURS MAINTENANCE (ONLY AFTER THE FIRST 50 HOURS)
Check the wheel nuts tightening For details, see “METHOD FOR CHECKING WHEEL NUT TIGHTENING
(4-32)”
Only for machines in which synthetic biodegradable oil HEES is used
Replace the hydraulic oil filter component.
For details about the replacement method, see the section MAINTENANCE EVERY 1000 HOURS.
INITIAL 250 HOURS MAINTENANCE (ONLY AFTER THE FIRST 250
HOURS)
Carry out the following maintenance operations after the first 250 hours of work.
• Change the gear oil.
• Change the rear axle oil.
• Change the front axle oil.
For details about the replacement method, see the section MAINTENANCE EVERY 1000 HOURS.
INITIAL 500 HOURS MAINTENANCE (ONLY AFTER THE FIRST 500
HOURS)
Only for machines in which synthetic biodegradable oil HEES is used
Change the hydraulic oil and clean the intake filter.
For details about the replacement method, see the section MAINTENANCE EVERY 1000 HOURS.
WHEN REQUIRED
METHOD FOR CHECKING, CLEANING AND REPLACING AIR CLEANER
k k
WARNING
• If inspection, cleaning, or maintenance is performed while the engine is running, dust enters into
the engine and damages it. Be sure to stop the engine before performing these works.
• When using compressed air, there is a danger that dirt may scatter and cause personal injury. Wear
the protective equipment such as protective eyeglasses and dust mask.
• When working on a high place or in the place where the foothold is poor, be careful not to fall be-
cause of the reaction when pulling out the outer element.
NOTICE
If the air cleaner is not cleaned or maintained sufficiently, the mass air flow sensor which is installed to
the air cleaner does not function correctly, and it may cause a decrease in the engine performance.
METHOD FOR CHECKING AIR CLEANER
The air cleaner clogging caution lamp informs when the air cleaner element should be checked.
MAINTENANCE PROCEDURE MAINTENANCE
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