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Lisa MillerAug 11, 2025
How to fix ProForm Treadmill walking belt that is off-center?
- JJoseph GarrettAug 12, 2025
If the walking belt is off-center or slips, first remove the key and unplug the power cord. For an off-center belt, if it has shifted left, turn the left rear roller bolt clockwise 1/2 turn; if it has shifted right, turn the bolt counterclockwise 1/2 turn. If the belt slips, turn both rear roller bolts clockwise 1/4 of a turn. Ensure you don't overtighten the belt. The walking belt is correctly tightened when you can lift each side 2 to 3 inches off the platform. Plug in the power cord, insert the key, and walk on the treadmill for a few minutes. Repeat these steps until the belt is properly aligned and tightened.
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