GEAR-PUMP 1546016 - Caterpillar

Remove & Install Governor & Fuel Injection Pump Housing
Start By:a. remove fuel injection lines 1. Disconnect four fuel lines (1).2. Disconnect connector (2). 3. Disconnect two fuel lines (4).4. Remove wire (5).5. Disconnect two connectors (3). 6. Disconnect hose (6).7. Disconnect four connectors (7). 8. Remove two bolts (8).9. Remove eleven bolts (11).10. Remove bracket (9) and cover (10) together. 11. Remove four bolts (14) and spacer (12). At assembly, torque bolts (14) for 5/8" bolts to 230 15 N m (170 11 lb ft) or for 1/2" bolts to 136 7 N m (100 5 lb ft).12. Remove drive gear assembly (13). 13. Remove three bolts (15).14. Remove bolt (16).15. Remove bracket (17). 16. Remove tube (18). 17. Remove three bolts (21).18. Remove bolt (20) and bracket (19). 19. Attach a hoist to pump (22) as shown. Remove the pump. The weight of the pump is 91 kg (200 lb). Reverse the order of Steps 1 thru 19 for installation.End By:a. install fuel injection linesDisassemble Governor & Fuel Injection Pump Housing
Start By:a. remove governor and fuel injection pump housing 1. Remove two bolts (2) and remove rotary solenoid (1). 2. Remove seven bolts (3) and cover (5).3. Remove four bolts (6) and housing (4). 4. Remove fuel shut-off solenoid (9) and the seal with tool (F).5. Remove retainer nut (8). Remove connector (10). 6. Remove two bolts (11) and lever group (12). 7. If necessary, remove spring (14) from lever group (13). 8. Remove jam nut (15) with tool (A).9. Remove control group (16) from the housing. If necessary, remove and replace the O-ring seal. 10. Remove spring (17) from the control group. 11. Remove retaining ring (20) and shaft (18).12. If necessary, remove spring (19). 13. If necessary, remove retaining ring (21) and lip seal (22). 14. Remove four bolts (24), rotary servo group (23), and the gasket from the housing. 15. Remove two bolts (25), cover (26), and the gasket. 16. Remove spring (27) and valve (28) from the rotary servo body.17. Remove bolt (29) and body assembly (30). 18. Remove three O-rings (31) and shaft assembly (32). 19. Separate shaft (36) from star gears (33) and (34).20. Remove key (35), if necessary. 21. Remove two bolts (38) and fuel transfer pump (37). 22. Remove eleven bolts (39) and drive housing (40). 23. Remove bolt and washer (41). Remove rack control bar (42). 24. Remove two bolts (43) and servo piston assembly (44). 25. Remove retaining ring (45), spring seat (46), link spring (47), rack control sleeve (48), and ring (49) from servo piston assembly (44). 26. Remove sleeve (52), piston (51), and valve (50) from servo piston assembly (44). Remove the O-ring seal from sleeve (52). 27. Remove two bolts (53) and pump drive gear (54). 28. Remove the bolt and plug (58) and rack link (57).29. Remove two bolts (56), support assembly (55) and the pin. 30. Loosen twelve washers (59) with tool (B). 31. Install two rack zero