What is causing the belt to come off on my mower?
I have a craftsman rotary lawn mower model no. 917.376221 which I just bought 2 weeks ago and every time I release the drive handle the drive belt flies off. When I put it back on it works fine til I release the handle then it flies off again,is there any adjustment on this model ?
Wade_
Expert
On either side of the little transmission pulley there are belt keepers. Put the belt back on and push those little keeper tabs as close to the pulley as you can, but don't let it touch the pulley or the belt.
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