MAINTENANCE 24.9.4 CHECK BRAKE DISC WEAR Have your distributor check and repair brake discs. 24.9.5 CHECK ALTERNATOR, STARTING MOTOR The brush may be worn or the bearing may lack grease. Contact your distributor for inspection or repair. If the machine is started frequently, perform the inspection every 1,000 hours. 24.9.6 CHECK ENGINE VALVE CLEARANCE, ADJUST A special tool is required for removing and adjusting the parts. Contact your distributor for service. 24.9.7 CHECK VIBRATION DAMPER Check that no cracks or peeling exist in the outside surface of the rubber. If either condition is present, contact your distributor.
24.9.8 REPLACE THE ELEMENT IN AIR CONDITIONER RECIRCULATION AIR FILTER, FRESH AIR FILTER Remove both the recirculation air filter and the fresh air filter in the same manner as when cleaning. For details of cleaning the recirculation air filter, See 24.6.4 CLEAN ELEMENT IN AIR CONDITIONER RECIRCULATION FILTER on page 3-46. For details of cleaning the fresh air filter, See 24.5.2 CLEAN ELEMENT IN AIR CONDITIONER FRESH AIR FILTER on page 3-39. 24.9.9 CLEAN AND CHECK TURBOCHARGER Carbon or sludge stuck to the blower impeller reduces turbocharger performance, or may damage the turbocharger. Ask your distributor to perform the turbocharger cleaning. 24.9.10 CLEAN PPC CIRCUIT STRAINER 1.
Remove the flange (1). 2. After removing the strainer case (2), remove the strainer. Wash it in clean diesel oil. 3. After assembling the strainer to the strainer case (2), install the flange (1). 24.9.11 CHECK ACCUMULATOR GAS PRESSURE When performing the EVERY 2000 HOURS SERVICE or EVERY YEAR SERVICE or when making periodic replacement of the critical parts, have your distributor check the accumulator gas pressure. WA450-3MC 3-59