REGULATOR AS-VOLTAGE 2594020 - Caterpillar

Disassemble Governor
Start By:a. remove fuel injection pump and governorb. remove fuel transfer pumpc. remove service meterd. remove fuel ratio control (marine engine) 1. Install the fuel injection pump and governor on Tool (A) as shown.2. Remove the two bolts and clamps, and remove service meter (2).3. Remove the bolts that hold the rear governor housing in place, and remove rear governor housing (1) and the gasket from the front governor housing. 4. Remove governor spring (3), the two wave washers, one flat washer and the seat from the guide in the rear governor housing. 5. Remove the bolts that hold cover (4) to the rear governor housing, and remove the cover and gasket. 6. Remove locknut (6) and low idle adjustment screw (7) from cover (4).7. Remove seal (5) from the cover. 8. Remove bolt (8) that holds lever (10) to the shaft assembly. There is a key in the (slot) groove of the shaft assembly that must be removed before the shaft assembly is removed from the rear governor housing.9. Remove shaft assembly (9), lever (10) and lever (11) from the rear governor housing. 10. Remove the rings, pins (13), stop (14) and two plates (12) from the shaft assembly. 11. Remove dowel (16), pin (17) and spring (15) from the shaft assembly. 12. Remove plug (18) from the rear governor housing. Spacers (19) and (21) are different sizes. Make sure they are assembled in the correct position.13. Use needle nose pliers (22), and remove the shaft. Remove spacer (19), lever (20) and spacer (21) from the rear governor housing. 14. Remove lever (24) and spring (23) from lever (20).15. Remove the nuts and set screws from the lever if necessary. Step 16 is only for governors equipped with a manual shutoff.16. Release spring (26) from the notch in the rear governor housing. Remove snap ring (25), and remove shaft (27) from the housing. Remove lever (28) and spring (26). 17. Remove two lip-type seals (29) from the rear governor housing. 18. If necessary, remove the four screws and plate (30) from the rear governor housing. 19. Remove lip-type seal (32) and insulator (33) from the rear governor housing.20. Remove cover (31), and remove the high idle screw.21. If necessary, remove the remaining three covers. 22. Remove two bolts (34), housing (35) and the gasket from the fuel injection pump housing.
Depending on the different engine applications, torque control groups will vary. Inspect all parts for wear and damage, and make a note of the correct sequence of the parts for assembly purposes.
23. Remove two bolts (36), and remove torque control group (37). 24. Remove two bolts and blocks (38) from housing (35). 25. Remove the bolt that holds collar (39) to bolt (41).26. Remove collar (39) and spring (40) from bolt (41). Remove bolt (41) from the block.27. If necessary, remove the stop screw and power setting screw from collar (39). It may be necessary to turn the piston to remove the servo from the rack.28. Remove