MAINTENANCE
WB140-2N, WB150-2N 3-35
CHECKING ELECTRICAL SYSTEM
Make sure that there are no disconnected cables or signs of short circuit in the electrical system.
Make sure that all the cables are securely tightened to their respective terminals. Tighten any loose cables.
Check the following:
1. Battery
2. Starter
3. Alternator
MAINTENANCE AFTER THE FIRST 250 HOURS OF OPERATION
Perform the following maintenance after the first 250 hours, together with those to be initiated “EVERY 250 HOURS”.
• FRONT AXLE OIL CHANGE
• REAR AXLE OIL CHANGE
• HYDRAULIC TRANSMISSION OIL CHANGE
• HYDRAULIC TRANSMISSION OIL FILTER CHANGE
• ENGINE VALVE CLEARANCE CHECK AND ADJUSTMENT
• HYDRAULIC OIL DRAIN FILTER CHANGE
For details on the various maintenance operations,
• See “MAINTENANCE EVERY 500 HOURS OF OPERATION” on page 3-41.
• See “MAINTENANCE EVERY 1000 HOURS” on page 3-47.
For checks and adjustments, contact your Komatsu Dealer.
• It the fuses are corroded, oxidized or not perfectly held in their seat, replace them only with fuses hav-
ing the same capacity; before changing a fuse, make sure that the ignition key is in the “OFF” position.
• If there are signs of short circuits on the cables, find the causes and repair them; always contact your
Komatsu Dealer for troubleshooting.
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