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Pedals on my NordicTrack gx 4.5 slip, and tension will set to harder, but even on setting 1, it feels like 4-5. The belt is tight. We usually used setting 2 or 3.

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Try to lubricate the treadmill belt after tenstioning. Check the vidoe to know how to lubricate the treadmill.
If you wish to get some details; check the site linked here. Pull up older posts.

Treadmill walking belt lubrication

Posted on Dec 20, 2016


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Posted on Jan 02, 2017


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My 390 E is locked up and I can't move the pedals. I checked the belt, it's still on and it's tight.

follow this steps and fix it. God bless you
Electronics Problem You control the tension of the pedals using the buttons on the console. When you assemble the A.C.T. elliptical, you have to thread a group of wires from the console through the upright down to the electronics board. These wires communicate the resistance settings to the electronics board. If the wires twist, disconnect or break, the resistance will not work. You will need to reconnect or replace the wires.

Read more:

Jul 14, 2013 | Proform PFTL79807 - 850 W/ Gamefit...

1 Answer

Treamill wont move with wiehg ton belt

Drive belt may not have adequate tension, motor brushes may be worn out, tread tension may be too tight, one or more of the control devices may have failed, the power to the treadmill is inadequate.

Drive belt can be viewed with the motor cover removed. If it slips, adjust tension until static belt delfection is about 1/8 inch.

If motor halts with load and belt does not slip, adjust the tread tension by turning the track tension bolts counter clockwise 1/4 turn at a time, both adjusters evenly. If no improvement 1 full turn in, check motor and or control board.

if tread adjustment does not help, check the brushes to make sure they are not hanging up in the holder. Remove the plastic caps that retain the brush inthe motor with treadmill unplugged, If they are 1/4 inch in length or shorter- replace brushes. If the motor does not have brushes, it is an AC type motor.

If brushes are fine, check motor voltage with an analog voltmeter- AC range if you have the open frame AC type of motor where you can see the windings (no brushes) and measure voltage on theboard terminals that go to motor. They should adjust from zero to at least 80 volts via the speed control knob. If the AC motor hums a great deal, replace the motor run capacitor.

If you have the DC motor, (usually about the size of a 1 liter bottle.), Check voltage range, it should have the same voltage range as above with meter set to DC range.

If in either case the motor moves fine, but full speed on control does not yield full motor speed, check the devices, usually SCR or Triacs on the AC motor type and MOSFETS or IGBT on the DC motor types.

Jan 23, 2012 | Exercise & Fitness

1 Answer

While using my Nordictrack a2550 this morning, the walking belt began to slip very badly. I checked the alignment and adjusted the tension of the belt as per the user's manual but the belt stills slip...

if it really is the walking belt that is slipping keep tightening the adjustment screws till the belt will not slip when you try to stop it ( set speed to about 3 and then with your foot try to stop belt from spinning - you should be able to make the motor and whole machine come to a stop ) make sure it is really walk belt spinning and it isnt the motor belt slipping. (if it is motor belt slipping when you try to do the stop the belt trick i just described you will see the walk belt and front roller stop but still hear the motor turning) once you get walk belt tight enough so it doesnt slip then you can worry about keeping the belt centered.

let me know if you need more help on this and let me know how the stop the belt test went

good luck!

Mar 25, 2011 | Nordic Track NordicTrack A2550 PRO...

1 Answer

Just bought a Nordictrack a2550 last week. Only used it for about 2 hours and I'm having bet issues already. The belt will not stay centered no matter how much I try to fix it. The belt is also slipping...

Do you know if you are tightening it correctly?
Both bolts at the back of the walking belt should be turned clockwise to tighten the belt. You must also tighten the bolts the same amount and typically no more than 1/2 turns at a time. I usually adjust belts while the machine is running at approx 3 mph. Your belt should be just tight enough to not slip when you walk on it. If its too tight you'll wear out the motor bearings.

Feb 10, 2011 | Nordic Track NordicTrack A2550 PRO...

1 Answer

My Nordic Track A 2050 is slipping. At first I noticed it slip from time to time in my 45 minute workout, but at the end, it was like I was on ice. I love this treadmill, is there a way to fix it?

Have you tried adjusting the rear roller bolts with an allen wrench? That usually works for me.

Unfortunately now I have a slipping problem that tightening the belt via the roller bolts doesn't fix. In fact, I feel as if the belt is too tight as it only lifts about 2" instead of the recommended 3-4". Hope we get some other ideas here!

Dec 21, 2010 | Nordic Track NordicTrack Treadmill, A2550

1 Answer

I have a NordicTrack EXP1000. The walking belt was so far to the left that the edge began to fray. So, I adjusted the belt towards the right and now it slips forward now and then when it gets up to 3mph or...

If the walking belt slips when walked on, first remove the key and UNPLUG THE POWER CORD. Using the hex key, turn both idler 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.
If their is still slippage then the drive belt will need to be adjusted.
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. 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 but do not remove.

The drive belt must be tensioned by hand. While one person applied increased tension to the drive belt, the other person should tighten the motor set bolt(s) that are described above. Tighten the bolt and test. If the problem is not corrected, if problem persist replace drive belt

Jun 11, 2010 | Nordic Track Nordictrack Exp1000 Treadmill...

1 Answer

Belt slipping and power supply making noise

Have you checked to make sure it is not the belt that drives the front roller from the motor slipping. Get somebody to watch while you are using the machine and determine if the motor is still spinning while the running belt has stopped.

Apr 18, 2010 | NordicTrack E4000 Treadmill

1 Answer

Squeaky treadmill

If this is actually emanating for the running belt then their is too much tension on the belt at the end of the belt their are two holes this is where you adjust the tension by using a 1/4" Allen wrench. start unit run it at about 3.0 mph turn the wrench 1/4 rotation at a time counter clockwise on each bolt until the groaning stops know if the belt slips at this point then the belt has been stretched and a new belt maybe required. On the lubrication you will need silicone lube and that can be purchased at

Apr 15, 2010 | NordicTrack E4000 Treadmill

1 Answer

Is there a tension pully for the serpintine belt on a 92 honda accord

no, you set the tension by slackening the bolts on the alternator and using a long handle screwdriver wedged between engine and alternator tighten so that the longest part of the belt between pulleys has about 1/2 to 3/4 inch slack too tight and the belt will snap very soon....too slack and the belt will slip...

Mar 24, 2010 | 1992 Honda Accord

1 Answer

My treadmill walking belt has moved to the right and slips.

PROBLEM: The walking belt is off-center or slips when walked on SOLUTION: a. If the walking belt has shifted to the left, Start unit @ 1.0 mph using the hex key, turn the left idler roller bolt clockwise 1/2 of a turn to move belt to the right. Be careful not to overtighten the walking belt. If the walking belt has shifted to the right, turn the left idler roller bolt counterclockwise or clock wise 1/2 of a turn depends on the tension that will be on the belt take your time and walk on it to feel the belt underneath you2_bing.gif Repeat until the walking belt is centered.

Feb 28, 2010 | Nordic Track NordicTrack Treadmill, A2550

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