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Whenever I walk/run on the treadmill, it seems to slip or jerk. it only happens when you put a good amount of weight on it. Any reccomendations?

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Try to adjusts the tension of running belt .
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Posted on Jan 04, 2017

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Posted on Jan 02, 2017

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SOURCE: my treadmill belt keeps slipping when i put my

more than likely the drive belt needs to be tightened. This is done by removing the lower cover. Should be 2 screws in the rear and 2 screws on the bottom to remove it. Then there is an adjustable bracket on the motor. Hope this helps, Tim
also a pdf manual can be found on iconservice.com for free download.

Posted on Nov 13, 2009

  • 1 Answer

SOURCE: I have a Proform 770 EKG Treadmill jerks and squeaks

The drive belt was loose. I tightened up the motor just a smidge using a crow bar. That solved the problem.

Posted on Dec 30, 2009

  • 15 Answers

SOURCE: I have a Proform XP 550s and the belt skips/slips

I would remove the hood first covering the motor (Usually 4-6 screws) so you can isolate the problem. Now you will be able to get a good look at what is going on underneath. If when you put weight on it the you see the motor keep spinning but the drive belt stop then you need a new one. You could temporarily tighten it until you replace it but it's probably ready to go. If the drive belt and front roller keep turning and the walking belt stops then replace the walking belt.

On mine I had to replace the drive belt and the walking belt. I went with the cheapest fix first (drive belt which was slipping) then I could still stall the walking belt but had no way of knowing that until I replaced the drive belt.

I guess if it's the motor you'll be able to tell that too by watching because it'll bog down.

Parts at TreadmillDoctor.com for me anyway. They have both online and by phone troubleshooting support.

Posted on Jan 25, 2010

bwinton
  • 83 Answers

SOURCE: Belt slipping on treadmill

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

bwinton
  • 83 Answers

SOURCE: treadmill seems to slip while running,

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.

Posted on Apr 30, 2010

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1 Answer

Belt slips when running on treadmill


see the video and proceed according. God bless you

Jan 31, 2013 | Proform XP Weight Loss 620 Treadmill

1 Answer

My treadmill work fine when i turn it on but when i step on it the blet. slows down to crawl.


What make/model is the treadmill? What speed does this behavior occur? Does the walking belt slip, while the motor and rollers continue to turn? If the walking belt is slipping then the motor belt needs to be tightened. If the walking belt slows with your weight on it, does this happen at 1-3 mph and still occur at 4-5 mph? It could be your body weight causing it to slowdown, try to increase the speed to 4 or 5 and see if it still happens. If so, is the treadmill rated for your body weight? Please be more specific.

Feb 08, 2011 | Exercise & Fitness

1 Answer

While walking on my tredmill the belt jerks


Sometimes mine can "****" when my body weight on the front foot slightly slips the belt forward before I put full pressure on it and it slides back into normal walking. Don't know what your natural walking style is like, but this tends to happen when I am "heavy" on my heel with that forward step. Could also be that your belt needs lubricating (buy from sports stores).

Nov 27, 2010 | RTO Image 15.0R Treadmill Walking Belt

1 Answer

After adjustments treadmill matt continues to slip when i run on it? there's some greese on roller bars and bottom of matt is this normal?


There is suppose to be lube between the deck and walking belt to reduce friction while walking on it. If the walking belt has sufficient tension then I would open up the motor cover and check to see if the motor belt is worn and it needs replacement.

Oct 04, 2010 | Proform XP Weight Loss 620 Treadmill

1 Answer

Belt skips when weight goes on. It squeaks and


* take nail polish or paint and place a mark starting on the front roller pulley and going onto the front roller metal shaft
* then try to walk on it and see if the white mark separates
* if it does then the roller is bad and would need replaced or tap screws placed through the pulley into the metal shaft to hold it in place
* if it doesn't separate then the drive belt is slipping and most likely will need replaced, although you could try spraying belt dressing on it to see if that would be a temporary fix.
* if neither of these is your problem and the walk belt is slipping then you will need to try to adjust the screws in the back of the treadmill through the end caps. these are allen wrench screws.
Tighten each one the same amount such as 1 full turn to start with.
see if you can now walk without it slipping.
If not then tighten 1-2 more turn on both sides.
If after 2-3 full turns it is not tight enough
I would recommend replacing the walk belt.

Hopefully this helps with your problem!

Jul 22, 2010 | Proform Exercise & Fitness

2 Answers

When walking on my pro form xp weight loss 620, while walking along fine, every so often it starts to make a slipping sound and seems like the belt is slipping. tried tightening the belt and still does the...


If the walking belt slips when walked on, first remove the key and UNPLUG THE POWER CORD. Using the hex key, turn both rear roller bolts clockwise, 1/4 of a turn. When the walking belt is correctly tightened, you should be able to lift each edge of the walking belt 2 to 3 in. (5 to 7 cm) off the walking platform. Be careful to keep the walking belt centered. Then, plug in the power cord, insert the key, and carefully walk on the treadmill for a few minutes. Repeat until the walking belt is properly tightened.

Jul 07, 2010 | Proform XP Weight Loss 620 Treadmill

1 Answer

Reebok treadmill


Hi James
Unplug unit remove motor shroud then plug unit back in , press start and begin walking on the belt normally and try to stall the belt to make it slip ( planting foot to stop the belt).
Be careful during this test. If the problem is in the drive belt, either the drive belt will stop when stalled or the front roller will stop when stalled. Here is the procedure for adjusting the drive belt.
Find the motor mounts. Many motors in Icon treadmills have a main pivot joint in which a bolt runs the full length of the motor mount. This bolt will require loosening to provide maximum adjustability. Some models have a single jack bolt and others have an auto tensioner. Single jack bolts are the easiest to adjust.
Find the set bolt(s) on the motor. This is typically run through only one side of the motor mount or may be on both sides but it does not run the full length of the mounting. Loosen this bolt(s) but do not remove. Jack bolt models will have flat mounts and may contain up to four bolts.
Look for a bolt that will tension the motor. If it has this bolt, it typically runs in the same direction parallel with the drive and walking belts. If your treadmill is not equipped with this bolt, skip to Step 4. If your treadmill is equipped with this bolt (very few are) the repair will only require one person. Using 2 7/16" wrenches, make a few turns to this bolt, tighten the bolts and test your treadmill for slipping. If belt continues to slip, and if their is too much tension ( you should be able comfortably twist the drive belt 90 degrees ) then replace drive belt.
If the motor, drive belt, and front roller continue to turn when the walking belt is stalled, the problem is with the walking belt slipping on the front roller, here the procedure adjusting the walking belt.
If the walking belt slips when walked on, first remove the key and UNPLUG THE POWER CORD. Using the allen wrench, turn both rear roller bolts clockwise, 1/4 of a turn.When the walking belt is correctly tightened, you should be able to lift each side of the walking belt 3 to 4 inches off the walking platform. Be careful to keep the walking belt centered. Plug in the power cord, insert the key and carefully walk on the treadmill for a few minutes. Repeat until the walking belt is properly tightened
If the drive belt continues to turn but the front roller stalls, you may have a broken front roller pulley. If this is the problem, you will notice it because the plastic will usually make a loud squealing sound on the metal front roller. The front roller assembly will need to be replaced and the drive belt must be replaced also. We suggest replacing the drive belt as well because it is a low cost item and will most likely, have suffered unusual wear from the problem. Another possibility is that the drive belt has worn down. In some cases, belt dressing may help correct the problem. If not, the drive belt must be replaced.

May 24, 2010 | Reebok 8050 ES Treadmill

1 Answer

I have an Image 929- 15 yrs old. Has been working great. I have changed the drive motor belt before and it worked fine. Lately the belt is loose with a decent amount of play. I have tried to tighten...


I would first watch the unit while walking and visably see if the drive belt is slipping or the walking belt is. If neither one seems slipping, it is possible that the torque control on the motor control board is not correct

Gerritt
Serving the Twin Cities

Mar 06, 2009 | Proform Crosswalk 500 Treadmill

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