422F2, 427F2, 428F2, 432F2, 434F2 and 444F2 Backhoe Loaders Powertrain Caterpillar

Installation Procedure

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Illustration 1	g01023136

1. Use a suitable lifting device in order to install knuckle (17). The weight of knuckle (17) is approximately 50 kg (110 lb).
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   Illustration 2	g01023130

2. Do not install shims (14) at this time. Install pin assembly (13). Install bolts (12). Do not tighten bolts (12) at this time.

3. Apply Tooling (D) to the surface of pin assembly (15). Install pin assembly (15) and bolts (16). Tighten bolts (16) to a torque of 300 N·m (221 lb ft).
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   Illustration 3	g01023126

4. Install wheel flange (10) and bearing cone (11).
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   Illustration 4	g01023088

5. Install ring gear (9).
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   Illustration 5	g01047569

6. Use Tooling (B) and install spanner nut (3). Tighten spanner nut (3) to a torque of 1000 N·m (738 lb ft). Install locking plate (4) and bolts (5). Tighten bolts (5) to a torque of 70 N·m (52 lb ft).

   Note: If the tab on locking plate (4) does not line up with the slot in spanner nut (3), tighten spanner nut (3) until the slot and the tab are aligned.

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   Illustration 6	g01023074

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   Illustration 7	g01023075

7. Use a suitable pry bar and push the double U-joint toward the wheel flange. This will make the installation of retaining ring (8) easier. Install washer (6) and thrust washer (7). Use Tooling (D) and install retaining ring (8).
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   Illustration 8	g01029956

8. Insert a suitable pry bar and move the knuckle up and down while you tighten bolts (12). Tighten bolts (12) until there is no end play. Use a suitable feeler gauge and measure the clearance between pin assembly (13) and the knuckle. Measure the clearance at several points and average the measurement. Use shims (14) that equal the measurement.

9. Remove pin assembly (13). Apply Tooling (D) to the surface of pin assembly (13). Install pin assembly (13), the correct shims (14), and bolts (12). Tighten bolts (12) to a torque of 300 N·m (221 lb ft).
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   Illustration 9	g01032913

10. Install tie rod end (1) into the axle housing. Install nut (2). Tighten nut (2) to a torque of 220 N·m (162 lb ft).

End By:

1. Install the final drive planetary.