HEAD GP 2028617 - Caterpillar

Illustration 1. Relief valve group 1.
Illustration 2. Relief valve group 2.
Illustration 3. Relief valve group 3.
Illustration 4. Relief valve group 4.
Illustration 5. Relief valve group 5. (1) Low pressure shims. (2) High pressure shims.
Illustration 6. Relief valve group 6. (3) 9T-6783 Washer.
Illustration 7. Relief valve group 7.
Illustration 8. Relief valve group 8. (5) Three 8T-0334 Washer.
Illustration 9. Relief valve group 9. (7) 5J-0381 Spacer.
Illustration 10. Relief valve group 10. (8) Dowel, piston or pin. (9) Spring. The 9J-7784 Dowel is 30.0 mm (1.18 in) long, the 7J-2546 Piston is 29.0 mm (1.14 in) long, the 118-5615 Dowel is 28.0 mm (1.10 in) long and the 7B-5684 Pin is 27.0 mm (1.06 in) long.
Illustration 11. Relief valve group 11. (10) 8T-0334 Washers when required.
Illustration 12. Relief valve group 12. (11) 4T-1700 or 125-1393 Spring.
Illustration 13. Relief valve group 13. (12) 5J-9100, 5J-9101 or 5M-3492 Shims. (13) 5J-9104 Spring. The relief valves in this group could be reworked into 5J-9107 or 3G-0773 Relief Valve Groups by removing the inner 5J-9104 Spring and 5M-3492 Shims and adjusting to the pressures given in Chart 15.
Illustration 14. Relief valve group 14. (14) 5J-9101 Shims
Illustration 15. Relief valve group 15. (15) 5J-9100 and 5J-9101 Shims. The relief valves in this group could be reworked into 8J-6089, 9J-0638 or 5J-9106 Relief Valve Groups by adding an inner 5J-9104 Spring and 5M-3492 Shims and adjusting to the pressures given in Chart 15.
Illustration 16. Relief valve group 16. (16) 4T-1008, 4T-0947 and 9T-8048 Relief Valve Group.
Illustration 16a. Relief valve group 16. (17) 104-7574 Relief Valve Group.
Illustration 17. Relief valve group 17. (18) 5J-1036, 5J-2721 and 6J-3993 Shims.
Illustration 18. Relief valve group 18. (19) 8B-4624 Shims.
Illustration 19. Relief valve group 19. (20) 4T-5647 Washer or 9T-4520 Spacer.
Illustration 20. Relief valve group 20. (21) 5J-6153 and 6J-8696 Shims. Use 5J-6153 and 6J-8696 Shims as required.
Illustration 21. Relief valve group 21.
Illustration 22. Relief valve group 22. (22) 5J-6153 and 6J-8696 Shims.
Illustration 23. Relief valve group 23.
Illustration 24. Relief valve group 24.
Illustration 25. Relief valve group 25. (23) 9M-1974 Washer. To be used only on valves indicated.
Illustration 26. Relief valve group 26.