69D and 769D Off-Highway Trucks and 771D Quarry Truck Machine Systems Caterpillar

Removal Procedure

Start By:

1. Install the wheel chocks. Refer to Disassembly and Assembly, "Wheel Chock (Front and Rear) - Remove and Install".

Show/hide table

Illustration 1	g00480592

1. Remove the cotter from the ballstud. Loosen slotted nut (2) that holds the ballstud and tie rod (1) in position. Loosen slotted nut (2) until there is a gap of approximately 6.4 mm (0.25 inch).
   Show/hide table

   Illustration 2	g01048342

2. Position Tooling (A) between the steering link (3) and the steering arm (4). Strike Tooling (A) with a hammer until the ball stud is loose.

3. Repeat Steps 1 and 2 for the remaining end of tie rod (1).

4. Remove slotted nuts (2). Use two people to remove tie rod (1). The weight of tie rod (1) is 25 kg (55 lb).
   Show/hide table

   Illustration 3	g01048355

5. Remove fitting (7) from cover (6).

6. Remove seal (10) from ball stud (9). Use a screwdriver to remove ring (5). Remove cover (6).

7. Position the socket in a suitable press. Position a piece of pipe over ball stud (9) and against outer race (8).

8. Press ball stud (9) and outer race (8) out of the socket.

9. Repeat Steps 5 through 8 for the remaining ball stud.

Installation Procedure

1. Verify that all of the components of the tie rod are clean and free of foreign material prior to installation.

2. Inspect all components for wear or for damage. Replace the components, if necessary.
   Show/hide table

   Illustration 4	g01048355

3. Use a suitable press to install ball stud (9) and outer race (8) in the socket. Install cover (6). Use a screwdriver to install ring (5) on the socket. Install seal (10) over ball stud (9) with no lubricant.

4. Install fitting (7) into cover (6).

5. Apply Tooling (B) on the taper of ball stud (9).
   Show/hide table

   Illustration 5	g00480592

6. Use two people to put tie rod (1) in position on the machine. The weight of tie rod (1) is 25 kg (55 lb).
   Show/hide table

   Illustration 6	g01048375

7. Move clamp (11) to a position 6.35 ± 1.530 mm (0.25 ± .0602 inch) from the end of tie rod (1).
   Show/hide table

   Illustration 7	g01048377

8. Align the open Part (D) of clamp (11) with one of the Slots (C) in the end of Tie Rod (B).

9. Tighten the bolt and the nut for clamp (11) to a torque of 285 N·m (210 lb ft).

10. Install slotted nut (2). Tighten slotted nut (2) to a torque of 1360 N·m (1003 lb ft). If the holes do not line up, advance slotted nut (2) to the next hole.

11. Install the cotter that holds slotted nut (2).

12. Repeat Steps 3 through 11 for the other end of tie rod (1).

13. Refer to Steering System Operation, Testing, and Adjusting, "Front Wheel - Align".

End By:

1. Remove the wheel chocks. Refer to Disassembly and Assembly, "Wheel Chock (Front and Rear) - Remove and Install".