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Noise under motor cover.
1. Worn brushes or bearings on motor.
2. Front roller bearings are defective.
3. Drive belt is misadjusted (too tight or too loose).
Noise in the rear of the
1. Rear roller bearings are defective.
treadmill.
2. Rear roller misaligned.
All manuals and user guides at all-guides.com
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1. Replace with new motor.
2. Replace with new front roller.
3. Adjust motor position.
1. Replace with new rear roller.
2. Adjust rear roller position.
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