MAINTENANCE PROCEDURE MAINTENANCE
4-68
CLEAN HYDRAULIC TANK STRAINER 4
WARNING
q The parts and oil are at high temperature after the engine is stopped, and may cause burns. Wait for
the temperature to go down before starting the work.
q When removing the oil filler cap, turn it slowly to release the internal pressure, then remove it.
1. Remove 4 bolts, then remove cover (1). When doing this,
cover (1) may fly off because of the force of spring (2), so
keep the cover pushed down when removing the bolts.
2. Hold the top of rod (3) and pull up to remove spring (2) and
strainer (4).
3. Remove any dirt stuck to strainer (4), then wash it in clean
diesel oil or flushing oil. If strainer (4) is damaged, replace
it with a new part.
4. When installing, insert strainer (4) into protruding part (5) of
the tank, and assemble.
5. Install cover (1) with bolts.
CLEAN, CHECK TURBOCHARGER 4
Contact your Komatsu distributor for cleaning and inspection.
CHECK ALTERNATOR, STARTING MOTOR 4
The brushes mat be worn or the bearing may have run out of grease, contact your Komatsu distributor for inspec-
tion and repairs.
If the engine is started frequently, have this inspection carried out every 1000 hours.
CHECK ENGINE VALVE CLEARANCE, ADJUST 4
Special tools are needed for inspection and maintenance, please contact your Komatsu distributor.
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