VALVE GP-CONTROL 1680361 - Caterpillar

At operating temperature, the hydraulic oil tank is hot and under pressure. Hot oil can cause burns. Remove the fill cap on the hydraulic oil tank only when the engine is stopped and the fill cap is cool enough to touch with your bare hand.
1. Remove two bolts (1) and remove bracket (2). 2. Remove three wires (3) from alternator. See alternator removal.3. Remove nut (4) and wire (5).4. Disconnect connector (6). 5. Remove wires (7) from starter. See starter removal. 6. Remove two screws (8) and two wires (9).7. Remove nut (10) and wire (11). 8. Remove bolt (12) and two wires (13). 9. Remove bolt (14) and clamp (15).10. Remove bolt (16) and bracket (17). 11. Remove bolt (18) and bracket (19). 12. Cut two wire ties (20) and move harness out of the way. 13. Remove two bolts (21) and bracket (22). 14. Disconnect electrical connector (23) and cut two wire ties (24). 15. Remove nut (25) and wire (26). 16. Remove two screws (27) and two wires (28). 17. Disconnect electrical connector (29) and cut wire tie (30). 18. Remove two nuts (31) and two wires (32). 19. Remove bolts and brackets (33) and (34). 20. Remove bolt (35), bracket (36) and move harness out of the way. 21. Disconnect three lines (37). 22. Loosen clamp (38), remove and cap hose (39). 23. Loosen clamp (40) and remove hose (41). 24. Remove oil filter (42). Support rear of hydraulic pumps.25. Remove two bolts (43). 26. Attach a hoist to lifting brackets (44) on engine. 27. Remove twelve bolts (45).28. Make sure all necessary hose assemblies and electrical wires have been disconnected.29. Carefully move engine forward to disengage drive shaft from pump drive group and remove the engine. The weight of the engine is 590 kg (1300 lbs). For installation of the engine, reverse the removal steps. After the engine has been installed, fill the cooling system with coolant to the correct level. Fill the hydraulic oil tank to the correct level. See the Operation and Maintenance Manual for the correct filling procedures.