3116 and 3126 Truck Engines Water Pump Belt Tightener Diagram

Idler Pulley Assembly

(1) Distance from back of plate assembly (3) to middle of pulley (4) … 26.0 ± 0.3 mm (1.02 ± 0.012 in)

(2) Distance from back of plate assembly (3) to back of pulley (4) … 16.0 ± 0.3 mm (0.63 ± 0.01 in)

(3) Plate Assembly.

(4) Pulley.

(5) Apply 9S3263 Thread Lock to the pulley bore before assembly.

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