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MAINTENANCE
5.
Remove the plug and verify if any oil comes out.
6.
If any oil comes out, contact the Komatsu distributor and
inform them about the quantity of oil has been collected.
7.
Install plug.
8.
Remove hood support lever (2) and fix it to the lever lock
securely.
9.
Close engine hood (1).
10. Install cover (4).
METHOD FOR CHECKING AND ADJUSTING ENGINE VALVE CLEARANCE
Special tools are necessary for inspection and maintenance. Ask your Komatsu distributor to perform this work.
EVERY 1500 HOURS MAINTENANCE
Maintenance for every 100, 250 and 500 hours should be performed at the same time.
METHOD FOR CHECKING CRANKCASE BREATHER
If the crankcase breather does not work normally, the engine does not conform to the exhaust gas regulations
under usage period. It is necessary to check the diaphragm for damage and the spring for breakage. Special
tools are needed for inspection and maintenance, so ask your Komatsu distributor to perform this work.
EVERY 2000 HOURS MAINTENANCE
Maintenance for every 100, 250, 500 and 1000 hours should be performed at the same time.
METHOD FOR CHANGING OIL IN HYDRAULIC TANK, CLEANING HYDRAULIC
TANK STRAINER
•
Immediately after the engine is stopped, its parts and oil are still very hot and may cause burn in-
jury.
Wait for the temperature to go down, and then start the work.
•
When removing the oil filler cap, the oil may spurt out. Turn it slowly to release the internal pres-
sure, then remove it carefully.
NOTICE
If the machine is equipped with a hydraulic breaker, the hydraulic oil deteriorates faster than in the nor-
mal bucket digging operation. Accordingly, perform the maintenance by referring to "MAINTENANCE IN-
TERVAL FOR HYDRAULIC BREAKER".
Hydraulic tank refill capacity: 65 ℓ
Items to be prepared
•
Container to catch the drained oil
1.
Set the machine in the posture shown in the figure.
1)
Start the engine.
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WARNING
WENAM00241
MAINTENANCE PROCEDURE
RKA69130
4-65
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