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COVER AS 3727660 - Caterpillar

3727660 COVER AS Caterpillar parts COVER
Alternative (cross code) number:
Caterpillar 3727660 COVER AS

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Illustration 1 g06320396
(Belt guard removed for visibility)
View of the belt and the belt tensioner on the front of the engine
(1) Belt tensionerIntervals for Maintenance
Inspect the belt 20 to 40 hours after the initial start-up. Replace the belt every 3000 service hours.Inspection
Inspect the belt for wear and for cracking. Replace the belt if the belt is not in good condition.Check the belt tension according to the information in the Specifications Manual, "Belt Tension Chart".Slippage of loose belts can reduce the efficiency of the driven components. Vibration of loose belts can cause unnecessary wear on the following components:
Remove the belt guard.
Illustration 2 g03123244
Typical belt tensioner installation
(2) Square hole for ratchet
Insert a ratchet with a square drive into the square hole that is located in the tensioner for the belt.
Rotate the tensioner counterclockwise to relieve tension on the belt. Remove the belt.
Install the new belt correctly, as shown. Be sure that the belt is fully seated on the pulleys. The correct tension will automatically be applied when the ratchet is removed.
Install the belt guard.

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