Question about Bowflex Treadmill Series 7

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Stutters my treadmill stutters so it is a run stop run

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  • Peter Owens May 06, 2009

    Similar problem, mine won't hold a constant speed under the load of even a 60 Kg woman walking.

    Suggest investigating whether your machine will run smoothly under load at various speed settings. That will at least provide the manufacturers service people with more info if you choose to contact them which is a good idea. Oh yes one more thing check drive belt tension between motor drive pulley & front roller drive pulley. You will need to remove the front cover to do this.

    Peter O



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I Have velocity Trade Mill. It,s Moter and circuit has failed twice recently it was sent to the company for repair. The dealer says that it may be due to voltage problem . I have got checked several times there is no problem. The dealer says that stabilizer of 3KV should be used. Is it necessary to use Stabilizer

Posted on Apr 19, 2011

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These types of faults can be in the motor, motor drive, controler, or in the velocity sensor (external or internal). If you call the manufacture, they should have statistics on the parts that fail most frequently. They would be the best guide to use for finding out what parts to order. You may have to try a number of parts to find out which one is actualy defective.

Jerry G.

Posted on Nov 01, 2008


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1 Answer

My wife 140#'s can run on our F80, four years old. I, 260#'s can get on the treadmill and it stops and stutters... what is most likely problem?

if the numbers refer to your weight--simple --you are too heavy and the mat will not slide and the motor is overloading
run down the road til you get down to the max weight specified by the manufacturers

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1) LUBE the deck belt, this happen to due the lack of maintenance according with your instru.manual follow the step donwloa your instruction manual. go or

2) LUBE the rollers bearing very well.

3) Tight with NOT much tension the drive belt.

4) Adjust the tension deck belt see the diagrams attached.

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Watch the following video which will help you to adjust the running belt of your treadmill.


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I am 230 lbs. and when I try to run intervals on the treadmill belt stalls out all of the time causing a stutter, and I almost fall down.

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Did you properly checked your internet connection and speed? if speed is ok then try to upgrade flash player. Hope this will help u.


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1 Answer

Why does my Ironman Triad treadmill motor slow when people try to run on it, the belt completely stops

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