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Old 02-17-2017, 09:14 AM   #8
rwidman
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City: North Charleston, SC
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Quote:
Originally Posted by gilbertpark View Post
I have a Sabreline 36 with twin CAT 3116. On both engines there are two belts going to the alternator. After about 100hours one of them has elongated more than the other. It is worse (but only just) on the S/B engine.

CAT recommend changing the two belts at the same time. Seems a bit wasteful to me. Does anyone have a solution or can recommend a way of correcting this?
Well, you could swap the two belts after 100 hours and see what happens.

I don't think anything as drastic as switching to a different kind of belt (with different pulleys) is called for. Perhaps you could contact the manufacturer and see if they have a solution or if this is a common problem with engines like yours.
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