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Cummins N14 – Alternator Belts – Installation and Adjustment

Install new alternator belts on the pulleys.

Use a pry bar between the engine and the alternator to tighten the alternator belt.
Use belt tension gauge, Part No. ST-1274, to measure the belt tension.

Adjust the belt tension to the following values:

NOTE: A belt is considered used if it has been in operation for more than 10 minutes.
If the belt will not maintain the correct tension, it must be replaced.

Tighten the adjusting link capscrews to the following torque values (Grade 5 or higher):

Tighten the alternator to alternator support capscrew and nut to the following torque values (Grade 5 or higher):