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Komatsu D475A-3 - Check Engine Valve Clearance, Adjust

Komatsu D475A-3
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MAINTENANCE
SERVICE PROCEDURE
CLEAN ENGINE BREATHER ELEMENT
1.
Loosen clamp (1), then remove the hose.
2.
Remove bolt (2), then remove breather (3).
3. Rinse the whole breather in diesel oil or flushing oil. Dry with
compressed air, then install it.
4.
Check the breather hose, and if any deteriorated oil is stuck to
the inside, replace the hose with a new hose.
CHECK ALTERNATOR, STARTING MOTOR
The brush may be worn or the bearing may have run out of grease, so contact your Komatsu distributor for
inspection or repair.
If the engine is started frequently, have this inspection carried out every 1000 hours.
CHECK ENGINE VALVE CLEARANCE, ADJUST
As special tool is required for removing and adjusting the parts, you shall request Komatsu distributor for service.
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