24. SERVICE PROCEDURE 24.10 EVERY 4000 HOURS SERVICE Maintenance for every 100, 250, 500, 1000 and 2000 hours should be carried out at the same time. 24.10.1 CHECK WATER PUMP Check that there is oil leakage, water leakage or clogging of the drain hole. If any abnormality is found, contact your Komatsu distributor for dis- assembly and repair or replacement. PC130/150LGP-6K ENG 3-65