Questions & Answers for: Proform jerking motion

treadmill, proform crosswalk caliber treadmill, has jerky motion i would like a manual or ideas on how to repair http://www.iconservice.com/cgi-bin/ncommerce3/ExecMacro/proform/manuals.d2w/report?name

Proform 860QT treadmill give jerks while running I have the Proform 860Qt treadmill for the last 6yrs and it was running fine till recently it started giving jerks while running at speed of 4 or above

xp 590s belt is grabbing or jerking. I tried xp 590s belt is grabbing or jerking. I tried tightening the belt. probably a bad drive belt, they cost 20-30 bucks, possibly the front roller. You have to ...

...jerking on bottom of each revolution in fwd or reverse motion. This is caused by a loose crank arm. The key assembly is loose. (#32 on your parts list) The covers will need to be removed to access ...

jerky treadmill We have a Pro Form Crosswalk 525x and the belt starts and stops very rapidly...sort of like a quick jerky motion...causing the user to almost fall. What could be the cause of ...

belt problem: stops and jerks with stepping down on the belt hi, try to tighten the belt, if this is happening then your belt is too loose. if you try to lift the belt off you should be able to lift ...

how do you lubricate your treadmill you only lube the deck,each side life beltand in a zig zag motion litely lube the deck,both sides

I have a pro-form 590 LT which I have for less than a year. After about a half an hour of use it started making this noise like it's grinding or something is rubbing in one sport. Is there a place for

The bolt that holds the motion bar in an upright possision is missing. How can I get a new one. Here you can find parts for a lot of Proform equipment. I would try to find your specific model there ...

my treadmill belt is jerking at speeds higher than 3. I have tightened the belt until its almost hard to tighten. I checked the drive belt and its okay. Why still jerking? It may be counter-intuitive,