UPPERSTRUCTURE / Pump Device Disassemble Pilot Pump 1. Clamp flange (14) in the pilot pump in a vise with cover (7) up. 2. Remove bolts (6) (4 used). 11. Remove seal (12) and backup ring (11) in flange (14) side from bushings (2, 4). 12. Remove bushings (2, 4) in flange (14) side from housing (9). Remove drive gear (13) and gear (3) from housing (9). : 17 mm 3. Remove cover (7) from housing (9). 4. Remove O-ring (8) from cover (7). 5. Remove flange (14) from housing (9). 6. Remove O-ring (8) from flange (14). 7. Remove retaining ring (16) from flange (14). 8. Remove oil seal (15) from flange (14) by using a screwdriver. 9.
Remove seal (12) and backup ring (11) in cover (7) side from bushings (2, 4). 10. Lightly push drive gear (13). Remove bushings (2, 4) in cover (7) side from housing (9). Do not fall off key (1) between the bushings. W2-4-49