MAINTENANCE PLAN
178
4.7.12 MAINTENANCE EVERY 1000 HOURS OF OPERATION
4.7.12.a CHECKING AND ADJUSTING THE ENGINE VALVE CLEARANCE
These operations must be carried out together with those to be carried out EVERY 50, 100, 250, 500 HOURS.
CAUTION
• On new machines, adjust the engine valve clearance after the first 250 hours of operation and succes-
sively every 1000 hours.
Since the check and adjustment of the engine valve clearance require the use of special tools, have these opera-
tions carried out by your Komatsu Utility Dealer.
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