Question about Endurance TF3i Folding Treadmill

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What do i do when the belt skips while u are on it?

When we use our treadmill the belt or motor would skip under i feet and we would feel like we are going to trip and fall

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This is caused by one of three problems. First and most likely, the walking belt is loose. To tighten the belt, start by locating the two bolts that adjust the rear roller (one on each side of the unit in the back). Run the unit at about 3 mph. Tighten the bolts a 1/4 turn at a time. Make sure that what you do to one side, you MUST do to the other side or the belt will get off center. After you tighten it 1/4 turn, check the belt to see if it is still slipping. If it is then tighten the belt 1/4 turn again. Continue until the belt does not slip, but do not tighten the bolts more than 2 full turns. If it takes more than 2 turns then something else is the problem. The second problem that it could be is the drive belt might be loose. To tighten the drive belt, start by removing the front cover. loosen the bolts around the motor then tighten the drive belt by tightening the motor adjuster bolt. Once the drive belt is tight, tighten the motor back down. The third problem that it could be is the walking belt could be worn and need to be replaced. Let me know if you have any questions.

Posted on Apr 30, 2010

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First of all lubricate the treadmill. If it didn't workout then try to tension the walking belt.
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see the video and proceed according. God bless youlube the rack and pinion of elevation motor, and adjust the small POT attached. see the diagram attached.
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Apr 05, 2013 | Treadmills

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I have a Healthrider R65, engine works wellbut when I step on it skips and stops for afew seconds my husband adjusted belt on each side but is till not going smoothly please adviceI bought from my fri


1) Lube the deck belt, this produce enough friction between deck vs deck belt, and shut down for to protect the electronic system
2) lube the rollers bearing very well.
3) Test the drive belt and replace
4) Test the motor input voltage, if there are the motor need repair.
5) test the output voltage board, for input voltage motor, if there are not the board is faulty.
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Is there a weight limit on the Pro-Form 760 EKG treadmill? While I am walking the belt skips and I feel like I am going to fall.


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front or rear roller should have an adjustment screw on both sides to tighten the belt. this could be the solution to your problem

Aug 24, 2011 | Proform 760 CrossTrainer Treadmill

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I have a Image 15.0 R treadmill. It skips and I tried tightening the belt 1/4 turn as directed and not over tighten it. Still skips and actually squeaks now especially when running on the treadmill at 6...


3 different possibilities in my opinion:

belt is too loose, belt is too tight, belt is worn out.

Try to lift the belt and get your hand under it in the middle of the deck. If you cannot reach, it is possible that your belt is too tight. Another clue for this would be the belt "curling" on both sides at the edges. Try to loosen the belt, gradually and testing it along the way.

If on the contrary you can easily slide your hand under the belt from one side to the other, it is more likely that the belt is too loose. The squeaking might be due to the belt not being "square" on the deck. Try to loosen it even more until you can slide it with your hands across the deck. And have it aligned evenly at the front and back. Then retighten and adjust the tracking at low speed.
!!! Do not over loosen as the bolts might come out of the back roller.

A worn out belt might squeak and skip when its old.

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1 Answer

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This typically means the belt is worn - or not tensioned properly.

Look in your owner's manual - and it will tell you how to properly tension the belt with the included spanner wrench.

Thanks for using FixYa - a 4 THUMBS rating is appreciated for answering your FREE question.

Jul 27, 2010 | Proform 540ls Treadmill Walking Belt

1 Answer

Belt skips


take the cover off, if the front drive roller continues to turn when the running belt stops, tension the running belt by using the rear adjustment screws. One full turn on each side should do it. If the front roller stops turning but the motor doesn't, tension the drive belt by adjusting the motor back.

May 26, 2010 | Proform 760 CrossTrainer Treadmill

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My treadmill belt skips. I have tightened it as far as it can go and it still skips


This sounds like either the drive belt is loose or the walking belt is old. First, check the tension on the drive belt. If the drive belt is not slipping, then walking belt may need to be replaced. I say may because without working on the unit, I cannot say that IS the problem.

Apr 17, 2010 | Treadmills

1 Answer

I have a nordic track c2000. It has started a skipping/hiccoughing when I am on it. The belt is tight enough, so I feel pretty sure it is not that. I tightened it as much as possible


If you can stop the belt. You need to be aware that the drive belt can also cause this problem so I suggest that you remove the motor shroud and when you are adjusting whether the front roller is moving and the running belt has stopped (adjust back rollers) or the roller has stopped and motor is rotating ( adjust Drive Belt)

Feb 25, 2010 | NordicTrack Treadmills

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