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SERPENTINE BELT FAILURE

neb

New member
Changed belts at 200hrs on Cum

Changed belts at 200hrs on Cummins 270 engines.
Replacement belt on strbrd engine shredded at 400 hrs. Replaced again and only lasted 26 hrs.
Pulleys are tight and spin freely. What is problem?
 
I know that this post is over

I know that this post is over a year old but someone may benefit from this information in the future.

They had an issue with belt guards hitting the belts. I'd take a good look at that.
 
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