Slipping or sticking treadmill

My ProForm XP 615 is slipping or sticking. I lubricated the deck and it helped but still has the same issue. I opened the panel thing and I see some black "dust" near the drive belt. To my untrained eye the belt itself looks fine. Is the dust a sure fire sign that my drive belt needs to be replaced? Thank you.

Comments

  • You should check the tension of drive belt, grab the edges of the drive belt with your thumb and forefinger and should not be able to twist it more then a 45 degree angle. If you can then belt needs to be adjusted or replaced.
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