KIT 1V4850 - 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) to 230 15 N m (170 11 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.20. Time the fuel injection pump. For timing of the fuel injection pump, see the topic /bq/Install Automatic Timing Advance/eq/ in this module.End By:a. install fuel injection linesDisassemble Governor & Fuel Injection Pump Housing
Start By:a. remove fuel transfer pumpb. remove governor and fuel injection pump housing 1. Remove five bolts and washers (1), cover (2) and the gasket. 2. Disconnect receptacle (3).3. Put identification marks on wires (4) for assembly. Use Tool (B) to disconnect wires (4). 4. Remove three bolts and washers (6), bracket assembly (5), electronic control (7) and the gasket. 5. Remove five bolts and washers (8), housing assembly (9) and the gasket from fuel injection pump housing (10). 6. Remove two bolts, one clip and two clamps (12).7. Remove solenoid (11) and the seal from housing assembly (9). 8. Remove shutoff solenoid (13) with Tool (E) and the seal. 9. Remove receptacle (3) from clip assembly (14).10. Remove two bolts and washers (15) and clip assembly (14). 11. Remove lever group (16) from housing assembly (9). 12. If necessary, remove spring (17) from lever group (16). 13. Loosen jam nut (18).14. Remove control group (19) from housing assembly (9). If necessary, remove the O-ring seal. 15. Remove spring (20) from control group (19). 16. Remove retaining ring (21) and shaft (22). 17. If necessary, remove retaining ring (23) and lip-type seal (24). 18. If necessary, remove spring (25). 19. Remove four bolts (26), rotary servo group (27) and the gasket from fuel injection pump housing (10). 20. Remove two bolts (28), cover (29) and the gasket. 21. Remove spring (30) and valve (31) from rotary servo body.22. Remove bolt (32) and body assembly (33). 23. Remove three O-rings (34) and shaft assembly (35). 24. Separate shaft (39) from star gears (36) and (37).25. Remove key (38) if necessary. 26. Remove sensor (42).27. Remove bolts (40) and drive housing (41). 28. Remove tube assembly (43).29. Remove bolt and washer (44). Remove rack control bar (45). 30. Remove two bolts (46) and servo piston assembly (47). 31. Remove retaining ring (48), spring seat (49), link spring (50), rack control sleeve