When walking the treadmill will suddenly slow down for a second and then proceed to the original speed. im afraid if this continues it may cause injury or break down while on it
Check if the running belt is lubricated. You can't run an engine without oil. So, spray a good quality silicone lubricant on the base of the running belt. It is best if you spray on a lint free cloth just enough to make a wet patch. Do it outside so that no spray residue lands on the floor and becomes slippery or lands on the carpet and stains it, then return inside and lift the treadmill running belt and soak or smear the base with the wet patch of the cloth and run for a full minute. Then lift the belt again and give it another swipe on the entire base, then feel the base with your fingers or hand to see if it feels wet and smooth. Run the treadmill for another minute at slow speed, otherwise the liquid can fly and splatter on wall or floor. If it still hasn't solved the problem, then it must be the motor brushes, or it may be set to run slow and fast according to the running settings on the console. Mine does the same thing if it is programmed to do 1 minute slow and one minute a bit faster. Good luck.
SOURCE: Treadmil stops or slows down upon walking.
Check both belts to be sure they are adjusted and not slipping.Check the underside of the walk belt to see if it feels frayed in the center as compared to the edges, the center always wears more than the edges a really worn belt must be replaced. if it is nor worn there is a wax lubricant for proform treadmills that can be purchased at retail stores that sell treadmills.Sears, dicks sporting goods and also treadmilldoctor.com are good places to buy it.
SOURCE: Treadmill will not maintain the correct speed.
your belt may not be tight enough and it is slipping which can cause it to move faster than the motor
SOURCE: Proform 350s crosstrainer treadmill; surges 3 MPH to 4MPH
Walking Belt is Worn:
The only certain way to test for a worn walking belt is to take a DC amp draw (if you have a DC treadmill) or an AC draw (for AC). Trying to look at the belt or a feel test is highly unreliable. Better tests, if you lack a DC ammeter (they are expensive for a good one), are a coast test or an incline test.
The coast test is to get on the treadmill as the lowest incline setting and walk on the treadmill at 3 MPH. Pull the safety key and it should
take you 2-3 full steps to stop (this is a general rule…some like a few Tunturi models stop on a dime even with a healthy belt but for most models, this tests works well upon).
Fewer steps indicate high friction.
The incline test is to put the treadmill at max incline and walk on it at 3 MPH. If the treadmill operates normally at max incline but bogs down at minimum incline, replace the walking belt. Gravity takes over for the drive system eliminating much of the friction problem. On some heavily worn walking belts, this test will not eliminate the problem.
Go to your local hard ware store and purchase silicone spray. Apply Lubricant by lift one side of the running belt spray contents length wise starting at motor shroud to the back end repeat this process on the other side. If this unit bogs down again then you will have replace the running belt and possibly the deck
SOURCE: Treadmill speed control does not work - only max.
MY CROSSWALK 3.0 XT WILL ONLY GO UP AND DOWN. IT WILL NOT DO ANYTHING ELSE. PLEASE HELP!
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