MY WALKING BELT HAS FRAYED EDGES AND MAKES UNUSUAL NOISE WHEN THE UNIT IS RUNNING. ARE THERE ANY PRINTED INSTRUCTIONS FOR A DIY FIX, OR DO I HAVE TO CALL SEARS?
THE TREADMILL IS PROBABLY 14 YEARS OLD, BUT STILL WORKS WELL EXCEPT FOR THE BELT. THE UNIT IS A PROFORM 725 TL SOLD BY SEARS.

LEE, August 2009