572R Pipelayer Caterpillar


Alternator and Fan Belts - Inspect/Adjust/Replace

Usage:

572R 2HZ

Note: Even if only one belt is worn or damaged, replace the belts in sets.




Illustration 1g00390616

  • Inspect the condition of the fan belt and the alternator belt. The belts should deflect 9 to 15 mm (.38 to .62 inch) under 110 N (25 lb) of force.



      Illustration 2g00390617

    1. Loosen the adjusting locknut.

    1. Turn the adjusting nut until the correct belt tension is reached. To achieve the correct belt adjustment, move the alternator inward or move the alternator outward, as required.

    1. Tighten the adjusting locknut.

    1. If new belts are installed, check the belt adjustment again after 30 minutes of engine operation.
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