Check the motor shaft for loosness. when the bearings wear out and fail, the motor shaft will not be strait and the belt will ride off. also check for alignment and inspect the brushroll for proper installation, free rotation, and non melted endcaps. let me know if you have any questions
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Check the motor shaft for loosness. when the bearings wear out and fail, the motor shaft will not be strait and the belt will ride off. also check for alignment and inspect the brushroll for proper installation, free rotation, and non melted endcaps. let me know if you have any questions