PIN 2375330 - Caterpillar

Disassemble Governor
Start By:a. remove fuel injection pump housing and governor If it is desired to only remove the governor so the fuel injection pump housing can be disassembled, do only Steps 1, 15, 21, 25-28, 31, 33, 34 and 37. Photo taken with the fuel shutoff solenoid and the tachometor adapter removed.1. Remove six bolts (1), two top bolts (2), housing (3) and the gasket. 2. Remove governor spring (4) and seat (5) from the guide in the housing. 3. Remove bolts (6), cover (7) and the gasket from the housing. Use tool (A) to remove seal (8) from the cover. 4. Remove low idle adjustment screw (9) and spring (10) from the housing. 5. Remove shaft assembly (12), lever (11) and lever (13) from the housing. 6. Remove two snap rings from pins (15) and remove pins (15). Remove plates (14) and stop (16) from the shaft assembly. 7. Remove pin (18), pin (17) and spring (19) from the shaft assembly. 8. Remove two bolts (20). Remove adapter (22), the coupling, and the O-ring seal for the tachometer drive.9. Remove contact (23) and body (24) for the governor dashpot adjustment screw.10. Remove two bolts (25), cover (27), and the gasket.11. Remove two bolts (21), shutoff solenoid (26), and the gasket. 12. Remove shaft (28) and lever (29) from the housing.
Remove check valve (30) only if a replacement is necessary, because the check valve will be damaged during removal.
13. Remove check valve (30) if a replacement is necessary. 14. Remove seal (31) and adjustment screw (32) for high idle.
Typical Example15. Remove bolt (33), housing (34), and the gasket from the fuel injection pump housing. 16. Remove bolts (35) and torque control group (36).17. Disassemble the torque control group and inspect the spacer, the spring and the insulator for damage or wear. 18. Remove two bolts (38) and block (37) for the full load stop from the housing. 19. Remove the bolt that holds collar (39) to bolt (40). Remove collar (39) and spring (41) from bolt (40). Remove bolt (40) from the block.20. Remove the stop screw from collar (39) if a replacement is necessary. 21. Remove bolts (42) and governor servo (43) from the fuel injection pump. 22. Remove lockring (48), seat (47), spring (broken link spring) (46) and sleeve (45) from valve (44). Remove the other lockring (48) from the groove in the center of valve (44). 23. Remove valve (44), sleeve (49) and piston (51) from the governor servo. Remove the O-ring seal from sleeve (49).24. Remove pin (50) and lever (52) from the governor servo. 25. Use tool (B) to hold spring (54) in compression so ring (53) can be removed. Spring (54) is used to put a preload on the thrust bearing for the camshaft in the fuel injection pump housing.26. Remove ring (53) then remove tool (B). 27. Remove bearing (55), sleeves (56) and spring (54) from the governor shaft. 28. Remove ring (57) and dashpot assembly (58) from the governor shaft.