3500 Marine Engines Caterpillar


Crankshaft

Usage:

3516 29Z


Illustration 1g03335580

Refer to Specifications, "Connecting Rod And Main Bearing Journals" for more information.

Table 1
Specification for 128-6788 Crankshaft 
Item  Qty  Part  Specification Description 
2W-2288 Plug  Torque to 50 ± 7 N·m (37 ± 5 lb ft)
48  128-4845 Bolt As  Use the following procedure to tighten the bolts:
1. Before assembly, lubricate the threads of the bolts, the bolt shank, the washers, and the contact surface under the bolt head with molylube.
2. Tighten the bolts evenly to 70 ± 5 N·m (52 ± 4 lb ft).
3. Rotate each bolt for an additional 120 ± 5 degrees. 

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