Healthrider 500sel When Iam walking or running around 5mph, the belt is jerky and stops as I put my foot down. I have checked the belt and it seems tight as per the manual. I took the motor cover off and watched the motor while I was walking and it looks like the connection between the motor and belt stops. Is there a cluch adjustment? The motor keeps running but the drive stops on every footstep

B) Walking Belt/Motor Belt too Tight:

If you have adjusted the walking belt or motor belt recently, check for this problem. When the belts start slipping, some people just crank

down the belts and on treadmills, tighter is not necessarily better. The tighter the belts, the more the drive system has to work to keep

everything moving. You should be able to lift the walking belt (with the treadmill unplugged) in the center of the treadmill about 3" without

straining. Tighter belts should be loosen but make sure you don't create a dangerous slipping situation by loosening.

The motor belt (with the treadmill unplugged) should be able to be turned by hand to almost a 90 degree angle from its normal operating

position. Loosen the belt if too tight. Make sure to test for slipping

and if it does with the proper tension, replace the motor belt.

http://www.youtube.com/watch?v=GPI6dFJCUA4

http://www.youtube.com/watch?v=-oeXTKqWECw&feature=related

http://www.youtube.com/watch?v=bF3OyQ3HwfU&feature=related

sincerely.

E. CUADRA