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Riding mowers sometimes have problems with the belts, especially the drive belt to the deck that drives the blade(s). The problem is often pulley alignment and that requires some mechanical repair. The other possibility is that the guides that are designed to keep the belt in the vee of the pulley are not adjusted properly. The third, and simplist, is to make sure that the correct belt is on the mower as per the manufacturer's instructions.In any case, unless you have adequate tools and knowledge of the drive mechanism, it might be better to check with a qualified mower mechanic.

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14y ago
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13y ago

If you have removed the plastic pulley covers the belts will come off when disengaged.

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Q: Why does the belt come off your mower deck?
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