Procedure for Tightening the Locknut for the Fan Drive on 3500 Engines {1359}
- Engine: Commercial
- 3500 Family
This procedure is used for 3500 engines that have the following part numbers for the fan drive:
Note: A 1U-8855 Spanner Socket must be used in order to accomplish this procedure.
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Illustration 1 | g00949943 |
(1) Hub (2) Lockwasher (3) Locknut |
- While you are rotating hub (1), tighten locknut (3) to 370 N·m (273 lb ft).
- Loosen locknut (3) by one complete turn.
- While you are rotating hub (1), tighten locknut (3) to 180 N·m (133 lb ft).
- Loosen locknut (3) by a 1/8 turn.
- Lock the locknut in place by bending a tab of lockwasher (2) into the slot of locknut (3) .
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