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Cummins N14 STC, Celect, Celect Plus – Service Manual 013-005   Drive Belt, Alternator

Table of Contents

Install
Adjust

Install

 TOC

Install new alternator belts on the pulleys.

  
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Adjust

 TOC

Use a pry bar between the engine and the alternator to tighten the alternator belt.

  
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Use the following procedure for belt tension specifications. Refer to Procedure 018-005 in Section V.

A belt is considered used if it has been in operation for 10 minutes or longer.

If used belt tension is below the minimum value, tighten to the maximum value.

Replace the belt if it will not maintain the correct tension.

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

Torque Value:

Capscrew Size: 5/16-18

  1. 20 n.m   
    [15 ft-lb]
Torque Value:

Capscrew Size: 7/16-14

  1. 34 n.m   
    [25 ft-lb]
Torque Value:

Capscrew Size: ½-13

  1. 68 n.m   
    [50 ft-lb]

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

Torque Value:

Capscrew Size: 3/8-16

  1. 41 n.m   
    [30 ft-lb]
Torque Value:

Capscrew Size: 7/16-20

  1. 88 n.m   
    [65 ft-lb]
Torque Value:

Capscrew Size: ½-13

  1. 108 n.m   
    [80 ft-lb]

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Last Modified:  14-Nov-2011
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