24. SERVICE PROCEDURE 24.8.3 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, carry out inspection every 1000 hours. 24.8.4 CHECK WATER PUMP Check that there is no oil leakage, water leakage, or clogging of the drain hole. If any abnormality is found, contact your Komatsu distributor for disassembly and repair or replacement. 24.8.5 CHECK ALL TIGHTENING PARTS OF TURBO CHARGER Contact your Komatsu distributor to have the tightening portions checked.
Crankcase Breather Tube Cleaning and Checking The tube must be removed and checked internally for obstructions or sludge buildup. If the tube is blocked, the tube and crankcase breather must be cleaned to prevent excess crankcase pressure buildup. PC450-ENG 3-79