Caterpillar 72H Pipelayer Belt Replacement Guide

This illustration show you guide on how to replace belt for Caterpillar 72H Pipelayer.

Cat adapter 3 317-7485

 

 

Procedures:
Note: Replace a belt that is in poor condition, when a new belt is required.CAT ET 2022
Replace the belt if any of the following conditions exist:
• excessive cracking
• excessive wear
• excessive damage
1. Park the machine on level ground. Move the transmission control to the NEUTRAL position and engage the parking brake. Shut off the engine.
2. Open the right engine access door.
3. Turn the battery disconnect switch to the OFF position.
4. Release the tension on serpentine belt (1). Insert a 12.7 mm (0.50 inch) ratchet into the square hole in the belt tightener (2) and pry the belt tightener in a clockwise direction.
5. Remove the belt from the pulleys.
6. Install the new belt around the pulleys.Cat SIS
7. When you release the tension off the belt tensioner, the belt tensioner will automatically adjust the belt to the correct position. Recheck the belt tension.
8. Turn the battery disconnect switch to the ON position.
9. Close the right engine access door.
Note: If a new belt is installed, recheck the belt adjustment after 30 minutes of operation.


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