TUBE ASSEM. 9N3252 - Caterpillar

Ensure that the engine is stopped before any servicing or repair is performed.
To maximize the engine performance, inspect the poly v-belt for wear and for cracking. Replace the poly v-belt if the belt is worn or damaged.
Check the poly v-belt for cracks, splits, glazing, grease, displacement of the cord and evidence of fluid contamination.The poly v-belt must be replaced if the following conditions are present.
The poly v-belt has a crack in more than one rib.
More than one section of the poly v-belt is displaced in one rib of a maximum length of 50.8 mm (2 inch).To replace the poly v-belt, refer to Operation and Maintenance Manual, "Alternator and Fan Belts - Replace".