4.8 Service procedure Every 2000 hours service Maintenance Replace element in air conditioner recirculation air filter, fresh air filter Remove both the recircuration air filter and fresh air filter in the same way as when cleaning, and replace them with new parts. For details of cleaning the recircuration air filter, see "Clean ele- ment in air conditioner recirculation filter (4-48)". For details of cleaning the fresh air filter, see "Clean element in air conditioner fresh air filter (4-41)". Check alternator, starting motor The brush may be worn or have no grease on the bearing, so contact your KOMATSU distributor for inspection or repair.
If the engine is started frequently, carry out inspection every 1000 hours. Check engine valve clearance, adjust As special tool is required for removing and adjusting the parts, request your KOMATSU distributor for service. 4-64 WA150-5H – VEAM934100