Model #831299481 Proform treadmill

  • Walking And Motor Belts
    3 Results
  • Console And Motor
    3 Results

Question and Answers

Q:

I just bought an end cap for a Pro form 831299481. Why do the adjustment screws not reach through the end cap and engage the roller ends? The belt appears to be too tight.

A:

The best solution for your problem is to take one of the adjusting bolts to a hardware store for a pattern and buy 2 bolts 1/2 inch longer.

You can usually use a longer bolt to pull one end of the roller closer to the rear of the treadmill. This will enable you to start the other bolt in the roller axle.

The manufacturer made a longer bolt available. The part number for the longer bolts is 126038, the cost is around $2.25 each.

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Jimmy K -
Sears Technician
February 08, 2010
Q:

My ProForm 835QT will not work

A:

Thank you for your question.

I am sorry you are having a problem with the treadmill. By what you have stated I suspect the treadmill motor is working to hard and over heating. When the motor over heats it can, cause the overload in the motor to open or it could trip the breaker. The most common cause for this is a dry walking belt. When the belt is dry, it causes the motor to work harder. To test the walking belt lubrication, do not turn the treadmill motor on. Set the elevation to the highest level. Stand near the front of the walking belt. Push yourself firmly toward the rear of the treadmill. If the belt is properly lubricated the belt will take you to the rear edge of the treadmill to the floor. If you move and stop, the belt needs lubricating. The part number for the belt lubrication kit is 219168. You can buy it at [ Sears parts direct | Sears Parts Direct . The cost is around $4.00. The application instructions should be in the package, but in case they are not here is how to apply the lubrication. Turn the walking belt until the belt seam is along the top of the front roller. Raise the belt on one side in the center of the walking board front to back as high as you can. Apply 1/2 the tube of lubrication to the walking board in a zig zag fashion moving from front to back. Move the belt until the seam comes up on top of the rear roller, lift the belt again, and put the rest of the lubrication on the walking board in the same manner. Turn the treadmill on and walk on the belt for 10-20 minutes. Walk all over the belt to distribute the lubrication evenly on the walking belt and board.

If the belt seems to be fine, the problem could be a motor control or a motor. Both of these parts can be expensive to replace. To be sure, I recommend having a service technician come out and diagnose the problem. you can have it repaired at your home by a Sears technician. Here is a link for the website: Sears Home Services .

Please let me know if you need further assistance on the treadmill.

Thank you for using Manage my life.

Mark T.

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Mark T -
Sears Technician
October 02, 2012
Q:

My Proform 835Q quits operating after a couple of minutes.

A:

If the motor is continuing to run, but the rollers are stopping, you need to replace the motor drive belt.

I would remove the motor hood and confirm the motor pulley is slipping on the drive belt. If the belt is slipping it has stretched and needs to be replaced.

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Jimmy K -
Sears Technician
January 14, 2010

Recommended maintenance parts & accessories

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