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Precor 5.21s Noise sounds -

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Uploaded by on Oct 27, 2010

I just bought this used and it's looks brand new. I moved it and after about 2 days it started making this sound. I have seen a couple videos, but dont see any tutorials on how to fix this problem.. I see it starts when a lot of people move their units. If you can help that would be great!

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  • You need to wipe the belt groves with a rag. Use silicone on the rag. Be careful not to get the rag stuck. I use a small peice of carpet like I use on my treadmill service video markpeterson. mindbites

    Make sure the belts are straight. Rubber is natural oily a little. In time the oil in the rubber will disapate.

  • Hi,

    It's the belt. To find out which one, get a can of silicone lube and with a straw

    Spray a LITTLE lube on one belt as you turn. Then go to the other belt if the noise is still there. This is only for testing.

  • I experienced the same issue and managed to fix it. If you look at the very rear flywheel, you'll see that there are grooves for the belt. The belt might be off by one groove, possibly to the right. You'll need to recenter the belt onto the flywheel. At the top of that flywheel, you see the contact area with the belt. Push the belt toward the big thin disc and slowly rotate the wheel backward. The belt will snap back in place and the squealing will go away. Hope this helps.

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