PIN 6C7706 - Caterpillar

16. Disconnect oil lines (19) and (20) from the steering cylinder (servo-sender).17. Remove bolts (18), and remove the steering cylinder (servo-sender) and the bracket from the hitch. 18. Remove the cotter pin and the pin that hold nut (21) in place. 19. Use Tooling (A) to remove nut (21) from the rear horizontal pin. 20. Remove four bolts (22) that hold the pin and the bearings in place. 21. Remove the lockwire, bolts (23) and retainer (24) from both ends of the front horizontal pin. 22. Use Tooling (B), as shown, to push rear horizontal pin (25) out of the hitch.
Do not let the pin damage anything on the back of the engine as it is removed.
23. Turn Tooling (B) around, and push the front horizontal pin out of the hitch. 24. Use Tooling (F) or a hoist to lift the gooseneck and the hitch until the hitch is clear of the tractor.25. Remove bearing (26) from both sides of the hitch. 26. Remove ring (28) and bearing (27) from both sides of the hitch.27. Use Tooling (C) to remove bearings (29). 28. Use Tooling (C) to remove bearings (30) from the hitch.29. Remove seals (32).30. Use Tooling (C) to remove bearings (31). Pull one bearing out; then remove the tooling and the bearing. Install Tooling (C), and pull the other bearing out. 31. Remove yokes (33) from the two vertical hitch pins.32. Remove yokes (34) from the three steering link pins shown.33. Remove two pins (35) from the front of the steering links. 34. Fasten a hoist to the right steering link. Remove pin (36) and right steering link (37). The weight of steering link (37) is 79 kg (175 lb). 35. Fasten a hoist to the cushion hitch, as shown. If vertical hitch pins (39) are tight, use Tool (G) and a wooden block to remove the pins. Use two persons to remove the pins. The weight of each pin is 29 kg (65 lb).36. Move wire (38) clear of the cushion hitch as the hitch is removed. The weight of the hitch is 2295 kg (5059 lb).Install Cushion Hitch
1. Fasten a hoist to cushion hitch (1), as shown.2. Install chain (2), as shown, to hold the cushion hitch load cylinder retracted, as shown. 3. Install washers (3), (4) and (5) on the hitch, as shown. Washers (4) and (6) are brass washers. 4. Put the cushion hitch in position on the gooseneck, and install brass washer (6).5. Install vertical hitch pins (7). 6. Fasten a hoist, and put right steering link (9) in position, as shown.7. Install pin (8). 8. Put washers (11) in position between the steering links and the cushion hitch. Install both pins (10) in the front of the steering links. 9. Install yokes (13) and locks (14) on the vertical hitch pins.10. Install yokes (12) on the three steering link pins. 11. Use Tooling (A) to install the four cushion hitch bearings, two in the ears on the rear