TIP GP-PENETRATION 1006462 - Caterpillar

1. Start the engine and extend the load cylinder all the way.2. Put tooling (A) under the draft frame on both sides of the machine as shown. 3. Put tooling (B) under the front of the tractor as shown.
Do not disconnect lines or remove plus in the cushion hitch circuit until the engine has been shut off for a minimum of five minutes to let oil pressure in the accumulator go down to zero.
4. Remove nut (3) from the front of the servo cylinder. Remove bolts (5) from the servo cylinder bracket assembly.5. Disconnect hoses (1).6. Remove grease lines (4).7. Remove clamps (2) from the electrical cable. 8. Disconnect electrical cable at connector (7).9. Remove clamps (6) from the electrical cable. Pull electrical cable (8) forward. 10. Disconnect hose assemblies (11) on each side of the goose neck.11. Remove two bolts (9) and bracket on each side of the cushion hitch.12. Disconnect two grease lines (10). 13. Disconnect hoses (12) from the cushion hitch cylinder. Disconnect linkage (13) from the spring assembly. Remove bolts (15) spring and bracket assembly (16).14. Disconnect grease lines (14).15. Disconnect the rod from the cushion control valve on the other side of the cushion hitch.16. Fasten a hoist to the cushion hitch load cylinder.
When the lower pin for the "H" link is removed, a separation of the tractor and scraper is made. Make sure tooling (A) and (B) are in the correct positions under the machine. Put wood blocks in front and behind all four tires so the machine does not move.
17. Remove the bolts and retainers (17) that hold the front pin for the cushion hitch "H" links and cushion hitch load cylinder. 18. Pull front pin (18) out of the cushion hitch until the cushion hitch load cylinder is free. Remove the cushion hitch load cylinder. Weight of the cylinder is 62 kg (138 lb).Install Cushion Hitch Load Cylinder
1. Fasten a hoist to load cylinder (1) and put it in position in the cushion hitch.2. Push the lower front pin into the cushion hitch and through the load cylinder. Make sure there is a washer between the "H" link and cushion hitch on both sides of the machine. Install the two retainers that hold the pin. 3. Install two bolts (3) that hold the bracket for the hydraulic hoses that are fastened to the side of the cushion hitch.4. Connect tube assembly (2) and hose assembly (4) to the load cylinder. 5. Fasten a hoist to upper "H" link (7) and put it in position on the cushion hitch. Install two pins (6) and four washers (5). 6. Install retainers (8) that hold the pins in position.7. Connect the rod to the leveling and centering valve. Connect the grease lines. Install the clamps and the electrical cable.8. Remove tooling (A) and (B) from under the machine. If it is necessary to disassemble the Cushion Hitch Load Cylinder a new seal is now available which will prevent pressure build-up. Refer to