C-10 and C-12 Truck Engines Caterpillar


Belt Tensioner

Usage:

C-10 MBJ



Illustration 1g00390952

Use the following procedure in order to adjust the belt tensioner:

  1. Remove the belt so that there is no tension on the belt tensioner.

  1. Align the thick black line on 134-1018 Film (1) with shoulder (2) of the tensioner's arm (3) .

  1. Install the belt. Shoulder (2) should be in the green zone of 134-1018 Film (1) .



Illustration 2g00903404

(4) Idler pulley assembly

Tighten the bolt to the following value. ... 50 ± 5 N·m (36.8 ± 3.7 lb ft)

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