19. WEAR PARTS LIST Wear parts such as filter elements are to be replaced at the time of periodic maintenance. The wear parts should be changed correctly in order to use the machine economically. For part change, use Komatsu genuine parts. When ordering parts, please check the part number in the parts book. The parts in parentheses are to be replaced at the same time. PC450-ENG 3-11 Item Part No.
Part name Q’ty Replacement frequency Hydraulic oil filter 07063-01383 (07000-05210) Element (O-ring) 1 (1) Every 250 hours service Engine oil filter 6742-01-4120 Cartridge 1 Every 250 hours service Fuel filters CU-3843447 Cartridge 2 Every 250 hours service Hydraulic tank breather 20Y-60-21470 Element 1 Every 500 hours service Corrosion resistor CU-3318318 Catridge 1 Every 250 hours service Air cleaner 208-01-K1210 208-01-K1220 Outer element Inner element 1 1 When required Additional filter for breaker 207-970-5120 (07000-12011) (07000-02125) Element (O-ring) (O-ring) 1 (1) (1) When required 07063-21200 Element 2 Line filter (07000-12055) (O-ring) (2) When required (07001-02055) (Ring) (2)