C27 and C32 Industrial Engines Caterpillar

Assembly Procedure

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Illustration 1	g02680056

Note: Note the orientation of the lip seal, illustrated above, for installation.

1. Use Tooling (F) to install lip seal (14). Lubricate the lip with the lubricant that is being sealed.
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   Illustration 2	g02680020

2. Install bearing (13). Install lockwasher (12).

3. Install locknut (11). Use Tooling (E) to torque the locknut to 108 ± 7 N·m (80 ± 5 lb ft). If necessary, increase the torque to align the slots.
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   Illustration 3	g02679882

4. Install shaft (9). Use Tooling (D) to install retaining ring (8).

5. Lubricate the bore for O-ring seal (10) with the lubricant that is being sealed. Install O-ring seal (10).
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   Illustration 4	g02679777

6. Install bearing (7) onto gear (5).

7. Use Tooling (C) to install retaining ring (6).
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   Illustration 5	g02679696

8. Install gear (5)

9. Install nut (4). Tighten nut (4) to a torque of 290 ± 10 N·m (214 ± 7 lb ft). Tap the gear down with a hammer and torque nut (4) again to a torque of 290 ± 10 N·m (214 ± 7 lb ft).
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   Illustration 6	g03676295

10. Measure the distance from the end of housing (15) to bearing (7). Dimension (X) is 6.6 ± 0.5 mm (0.26 ± 0.02 inch).
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    Illustration 7	g02681817

11. Install pulley (3).

12. Install studs (2). Tighten studs (2) to a torque of 30 ± 5 N·m (22 ± 4 lb ft).

13. Install the washers and install nuts (1). Tighten nuts (1) to a torque of 47 ± 9 N·m (35 ± 7 lb ft).

End By:

1. Install the auxiliary drive.