my proform 770 ekg breaker pops after 3 min ?
my proform breaker pops after i get on it for three minute, if i don't get on it it runs with no problem. i've adjusted the tension on the belt with no success. could you advise me to what it's going on, it also goes slow when i'm on it at the lowest speed.
Michael Palenque
March 2010
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