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The Demise of a Mower Deck Belt...

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Subtitle: Is this normal? My mower deck belt broke last night. Right before it broke, the mower was not mowing well. It was running very erratically. So, I got off the mower to check the belt, and it was twisted on the pullies. I straightened it out, and it mowed well for a few stripes, then stopped. It had skipped off the deck pully completely. I put it back on, mowed a couple of stripes and saw the deck belt laying on the ground broken. My question is: right before a belt goes, is it normal for it to stretch or twist? My concern is that there is something else wrong and I am going to break a new belt. I looked everything over, and it seems to be working right. The deck pully spins freely, etc. Were my problems related to the terminal illness of my deck belt?

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Like Bunky, once they've twisted and been run that way, in my experience they're done for... Make sure you inspect all your idlers and other pulleys when you replace the belt. It could have been an idler pulley, for example, that caused the original episode with the belt twisting.

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