3500 Engines for Caterpillar Built Generator Sets Caterpillar


Tachometer Drive

Usage:

3512 LDB


Illustration 1g03334235
Typical example

Table 1
Specification for 383-6549 Tachometer Drive Gp and 416-6729 Tachometer Drive Gp 
Item  Qty  Part  Specification Description 
4M-8303 O-Ring Seal  Before assembly, lightly lubricate the bore with clean engine oil. 
9X-8887 Bolt  Use the following procedure in order to tighten the bolt:
1. Tighten the bolt to 360 ± 40 N·m (266 ± 30 lb ft).
2. Gently tap on the plate to seat gear taper on the camshaft (3).
3. Again tighten the bolt to 360 ± 40 N·m (266 ± 30 lb ft).
4. Repeat the step until the torque does not change. 

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