416C, 426C, 428C, 436C and 438C Backhoe Loaders Axles, Differential and Brakes Caterpillar

Adjustment Procedure For The Toe-In

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Illustration 1	g00347617
The Rear Drive and Steering Axle (1) Nut. (2) Cotter. (3) Tie rod locknut. (4) Adjustment rod. (5) Tie rod joint. (6) Cylinder rod. (A) Distance from the cylinder rod end to the face of the cylinder head. (B) Distance behind the axle from the axle centerline to the hub face. (C) Distance in front of the axle from the axle centerline to the hub face.

1. Raise the rear wheels slightly off the ground.

2. Install sufficient blocking under the frame and lower the machine to the blocking.

3. Tighten the tie rod joint (5) to 300 N·m (221 lb ft).

4. Remove the cotter (2) .

5. Tighten the nut (1) to 150 N·m (111 lb ft). Tighten the nut (1) to the nearest locking hole.

6. Install the cotter (2) .

7. Position the cylinder rod (6) until dimension (A) is equal on both sides.

8. Loosen the tie rod locknut (3) .

9. Adjust the adjustment rod (4) until dimension (B) is equal to dimension (C). The tolerance for dimension (B) and dimension (C) is 0 mm (0.0 inch).

10. Tighten the tie rod locknut (3) to 83 N·m (61 lb ft).

11. Perform steps 3 through 10 for the opposite side.

12. Remove the blocking and lower the machine to the ground.

Adjustment Procedure for the Position Sensor

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Illustration 2	g00348393
The Rear Drive and Steering Axle (1) Cover. (2) Wire connector. (3) Bolts.

1. Raise the rear wheels slightly off the ground.

2. Install sufficient blocking under the frame and lower the machine to the blocking.

3. Remove three bolts (3) .

4. Remove the cover (1) .

5. Remove the cable strap that holds wire connector (2) to the axle.

6. Disconnect the wire connector (2) .

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Illustration 3	g00348595
The Rear Drive and Steering Axle (4) Cylinder rod. (A) Distance from the cylinder rod end to the face of the cylinder head.

7. Position the cylinder rod (4) until dimension (A) is equal on both sides.

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Illustration 4	g00348571
The Rear Drive and Steering Axle (5) Tie rod. (6) Wire terminals. (7) Clamp. (8) Bolt.

8. Connect the Digital Multimeter to the wire terminals (6). Refer to Special Instruction, SEHS7734 for instruction on the multimeter.

9. Loosen the bolt (8) .

10. Position the clamp (7) on the tie rod (5) until the resistance is 45.8 ± 1.0 ohms.

11. Tighten the bolt (8) .

12. Remove the multimeter from the wire terminals (6) .

13. Connect the wire connector (2) .

14. Install a new cable strap around wire connector (2) and the axle.

15. Install the cover (1) and the three bolts (3). Tighten the bolts.

16. Remove the blocking and lower the machine to the ground.