Question about Proform 380 Treadmill Walking Belt
Either the walk belt is loose or the front roller pully has spun. In order to determine which one, you need to remove the moter cover and watch the drive belt and front roller while you walk, try to stop the belt and see which one stops. If the walk belt stops and the front drive roller keeps turning, then you need to put a couple of turns on the rear allen bolts. If the roller stops when the walk belt stops, see if the drive belt(small one going to the motor) stops as well. If the drive belt turns fine,but the walk belt and the front roller stop, you need to replace the front roller, because the plastic pully that is connected to the roller, is pressed on and cannot be tightened.
Hope this helps
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Posted on Nov 10, 2010
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Posted on Jan 02, 2017
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