Question about Precor C956i Treadmills with HR / WholeSale

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I have a bad bearing on the pulley side of the motor for an M9.33 treadmill. How do you remove the belt pulley to get at the bearing. Is it just pressed on and removable with a gear puller or are there threads under there? Thanks! Clarence

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Service manual is located HERE
User manual HERE.
Hope this helps.

Posted on Mar 26, 2011

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Posted on Jan 02, 2017

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Is this knocking noise normal? Treadmill is brand new, just delivered this morning. Thanks


Knocking is not normal, could be a roller bearing gone bad. They could have tightened the tread belt to tight causing the bearings to knock which will cause the walking belt to prematurely stretch and wear out. Could also be a drive motor bearing. On the flywheel side.

May 16, 2016 | Exercise & Fitness

Tip

How to troubleshoot a noisy treadmill


First verify if your are getting the noise with a user physically on the machine, without anyone on, or both.



Creaking or squeaking while running on the machine usually indicates an issue in your incline motor, deck frame, springs, and or pivot points.



A loud grumbling noise getting louder and louder while elevating speed, usually means you have a bad bearing.



Any knocking noise coming from a treadmill indicates bad bearings in your front roller, rear roller, or drive motor.

Isolate the bearings in the front and rear rollers from the drive motor bearings.



To test: Unplug the machine, remove the main shroud, remove drive belt from drive motor and front roller pulley.



After doing so, move the treadmill belt by itself by pushing it backward or forward with just your hands and listen for any noise, if you get any noise it is most likely coming from either the front or rear roller. To isolate the noise from the two rollers you can loosen the belt and turn each roller individually.



If no noise with the first test, go ahead and start the machine and run it at a low speed. You want to listen for noise, if you get knocking or grumbling while drive motor is running with no drive belt attached then the issue is in your drive motor.



A lot of times simple maintenance will save your treadmill from noise, you want to make sure and lubricate your treadmills pivot points. Incline motor bolt, shaft, deck screws, and or any pivot points on the bottom of your machine. Metal on metal pivot points are usually the culprit in most cases.



Pivot points are just areas of high friction where there may be a bolt, washer, and nut attached to the base of your frame or any hinges on your folding type treadmills. Metal on metal needs to be lubricated to minimize wear and tear of those areas.



Synthetic grease works best or any spray on lubrication works fine if you do not want to remove any bolts or hardware.



If you ever find yourself needing technical support, please do not hesitate to call us 888-713-2880 or visit us online at www.sportsmith.net

on Jul 13, 2015 | Exercise & Fitness

1 Answer

Making very loud whistle noise


Be sure to verify if you are getting the noise while you are physically on the machine or with no one on it
Creaking or squeaking while running on the machine usually indicates an issue in your incline motor, deck frame, springs, and or pivot points

A loud grumbling noise getting louder and louder while elevating speed, usually means you have a bad bearing

Any knocking noise coming from a treadmill indicates bad bearings in your front roller, rear roller, or drive motor

Isolate the bearings in the front and rear rollers from the drive motor bearings

To test: Unplug machine, remove the main shroud, remove drive belt from drive motor and front roller pulley

After doing so, move the treadmill belt by itself by pushing it backward or forward with just your hands and listen for any noise, if you get any noise it is most likely coming from either the front or rear roller. To isolate the noise out of the two rollers you must remove the rollers and turn each one individually.

If no noise with the first test, go ahead and start the machine and run it at a low speed. You want to listen for noise, if you get knocking or grumbling while drive motor is running with no drive belt attached then the issue is in your Drive Motor.

A lot of times simple maintenance will save your treadmill from noise, you want to make sure and lubricate your treadmills *pivot points. Incline motor bolt, shaft, deck screws, and or any *pivot points on the bottom of your machine. Metal on metal *pivot points are usually the culprit in most cases.

*Pivot points are just areas of high friction where there may be a bolt, washer, and nut attached to the base of your frame or any hinges on your folding type treadmills. Metal to metal needs to be lubricated to minimize wear and tear of those areas.

Synthetic grease works best or any spray on lubrication works fine if you do not want to remove any bolts or hardware.
If you have any other questions please do not hesitate to call us or visit us online
888-713-2880 or
http://www.sportsmith.net/supportsearch.aspx

May 29, 2015 | Reebok RX6200 Treadmill Motor Control...

1 Answer

I have nordictrack A2105 and although we "oiled" the belt and replaced motor belt, it still slips. What are we doing wrong?


remove the hood. Turn the treadmill on to speed of 4 or 5 and straddle the walk belt. While the treadmill is running (with good shoes on) step hard on the walkbelt while observing the motor belt and front roller belt pulley. Does just the belt or front roller stop? if so the belt is loose. If the belt does not stop check to see if the front roller stops and the front roller pulley keeps going. If so the front roller pulley is slipping on the roller. If the belt, pulley and front roller are all moving and the walkbelt is the only thing that stops when stepped on then the walk belt is loose. To repair a slipping front roller you have 2 options: 1) purchase a new roller assy or 2) loosen the motor belt and push it to off to the side of the front roller pulley (no needto remove). Realign the roller pulley to the motor pulley. You may have to tap it into alignment. On the inside section of the grooved part of the pulley drill an 1/8" hole thru the pulley and thru the roller housing. (If you drill to the outside portion of the pulley on the left hand side you will hit the roller bearing. Now take a larger drill bit like a 3/8" and lightly countersink the plastic pulley - try not to drill thru the pulley with the larger bit. Using a thin head sheetmetal screw, install the screw so the head is just below the ribbed surface of pulley. If you screw up your first attempt just rotate everything 90° and try again.

Nov 11, 2014 | Nordic Track Nordictrack A2105 Treadmill...

1 Answer

Makes a loud rubbing noise on one side


To be honest with you, these could be symptoms of a few different problems. Here are the most common ones and what it possibly sounds like:
1) It could be that the front roller has dislodged itself from the roller pulley. In other words, the motor keeps turning, and when you step on the walk belt, the pulley (the one with the small rubber belt) keeps turning, but the roller stops. This can cause grinding noises, and the pulley to "skid" the black belt, which can account for the black dust. You can usually tell this is the problem when it runs fine with nobody on it, but when you step on it, it grinds
2) It could also be that the walk belt is rubbing on the sides of the deck and/or side rails. This happens when the belt shifts over from the center. It would definitely sound like a grinding noise, and the black dust could be from the walk belt particles wearing down due to the rubbing.
3) It could also be the drive motor brushes. Let me explain. The motor has two small blocks on either side of it (inside the metal casing). Those two blocks actually carry electricity into the spinning part of the motor (called an armature). They actually make contact with the armature at all times while it spins. Those "small blocks" are made of a graphite (what pencil lead is made of). Well, with so much spinning, and so much contact from the armature, those things grind down with time. They sometimes grind down until they are stubs only. Then they start grinding. The powder in this case would be the brush graphite piling up (this would often be shiny dust, and is a dark grayish).
4) The grinding could also be roller bearings going bad.
**For #3, and 4 above, you have but to remove the small belt that attaches to the motor (rubber, black, and small attached to pulleys), and let the treadmill run for a few seconds by itself. You may get a "speed error code' after the treadmill does not detect speed, but at least you'll know if the grinding is coming from the motor. If it runs super quiet, even for a few seconds, then you know it may be #1, 2, or 4 above.
These are the most common issues based on your symptoms.

Mar 16, 2014 | Bowflex TreadClimber TC5000

1 Answer

Pathmaster 8.0 treamill model 21-3688a fix


Drive Belt Installation for Treadmills

The drive belt is used by the motor to drive the treadmill walking belt via the front roller pulley. A drive pulley is mounted on the roller and the roller has knurling or a sleeve to help it drive the walking belt. The treadmill console detects the current speed of the treadmill by monitoring the movement of a magnet mounted on the front roller pulley with a reed switch or by using an optic switch which monitors an optic disk mounted either on the front roller or on the motor shaft. If the sleeve moves to the side, you will not be able to keep the belt centered and many optic disks can be warped if pushed to the side by the sleeve if it moves, but we do have replacement sleeve kits if needed.


Steps to Replace Drive Belt-

1) Remove the safety key and unplug the treadmill from the wall outlet.

2) Remove the screws securing the motor hood and gently remove the motor hood.

3) Using an Allen wrench provided with the treadmill, loosen the two rear roller adjustment bolts until the rear roller comes into contact with the walking board. Turn the bolts and equal number of turns on each side and keep a count of how many turns you made so you will know how to properly re-tension the walking belt.

4) Remove the drive belt from the motor pulley. Place a screwdriver between the pulley and the belt and turn the pulley by hand. Use the screwdriver to guide the belt over the edge of the pulley. Be careful with the screwdriver to prevent damage to the pulley.

6) Mark the position of the front roller axle on the front roller bracket above the front roller adjustment bolt using a Sharpie marker so you will know where to put the bolt back into position. Remove the front roller adjustment bolt if your treadmill's front roller has a pitch adjustment bolt. If your treadmill does not have exposed roller bolts you will need additional instructions. Please see the troubleshooting section on our website for further help.

7) Gently slide the front roller from out of its mounting position on the frame. Do NOT remove the roller from the walking belt.

8) Slip the old drive belt off the roller and loop the new drive belt onto the front roller pulley.

9) Replace the roller back into its slot on the pulley side and re-tension the front roller pitch bolt to its proper place using the Sharpie mark as a guide.

10) Using the screwdriver, loop the drive belt over the motor pulley. Many Icon units originally had the drive belt misaligned by design (if you can believe it). This was to use the side load of the drive belt in order to keep tension lower. It does lower amp draw for the machine and replacing a side load drive belt occasionally is much cheaper than replacing a motor and/or controller so if your original drive belt was off-centered, install the new belt in the same manner.

11) Re-tension the walking belt.

12) Plug in the machine and check the drive belt for slipping. You can use some automotive fan belt dressing on the grooved or contact side of the belt to help it with grip on the pulleys and it will treat the belt as well. We prefer using belt dressing rather than over-tensioning the belt for the aforementioned amp reasons as well as additional stress placed on the drive system parts.

13) Replace the motor cover and test.

14) Make sure the walking belt is not slipping and is properly aligned and your treadmill is ready to use.

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Jul 09, 2012 | Exercise & Fitness

1 Answer

Treadmill seems to slip in all speeds when weight is put on it. Changed mother board and checked belt tension all were good. Should this machine be lubed?


Pull the hood off. Stand on the sides of the walk platform and start the belt at 4mph. Take one foot and step on the walk belt hard. Look at the pulley on the front roller. Does the pulley continue to turn while the roller stops? If so, the pulley is slipping in the roller (which is a press fit). Replace the front roller or remove the motor belt from the pulley.Align the pulley with the pulley on the motor by tapping with a mallet. Drill an 1/8 hole throught the pulley and roller. Countersink the pulley hole so a small head screw will be under the pulley groves. Install screw in this hole. This is called pinning and is a pemanent fix. If both the pulley and the roller stop together when the belt is stepped on the motor belt is loose. If only the walkbelt stops when stepped on, the walkbelt is loose.

Jan 15, 2011 | Epic 425 Mx Treadmill EPTL88105 !

1 Answer

Belt stops running although you can hear motor running. How do you replace front roller pulley?


Loosen off the rear roller adjustment bolts, 10 turns each side counterclockwise.
Remove the motor drive belt.
The front roller should now be removable. If you have difficulties, back off the rear roller adjustment bolts 3-4 turns further. Keep track of how many counterclockwise turns so you are able to readjust the belt after replacing the front roller pulley assembly.
Repeat the instructions in reverse once the front roller is in position.

Dec 16, 2010 | Epic View 550 Treadmill

1 Answer

Running belt is sliping when on treadmill - is this the running belt or the driv belt problem. I can stand on the treadmill and stop to belt and front drive wheel from spinning - so my assumption is the...


If the front roller is stopping with the walking belt, it is the drive belt. You may be able to tighten it, if it's not too old. The easiest way is to remove the belt by turning the motor by hand while pushing the belt away from the motor. Then adjust the motor back a 16th to an 8th of an inch or so, put the roller side of the belt on the roller side of the pulley, so that you have enough slack to put the belt on the motor. Now, while you pull the belt onto the front roller pulley, turn the motor and walk the belt back on. If it won't go on, this way, you probably have the motor too far back, making it too tight. Good Luck!

Mar 11, 2010 | Proform Sport 1000 Folding Treadmill...

1 Answer

Belt stops running while standing on the treadmill


Either front roller may need to be replaced or the motor drive belt may need to be adjusted. This problems are caused when a walking belt is worn out and in need of replacement. Too much tension can cause bearing failure in the motor and the front roller and front roller pulley failure.

Motor drive belt adjustment: The motor drive belt is adjusted independently from the walking belt. Some newer models have an auto tensioner which is a lever that has a wheel that puts pressure on the drive belt and a spring on the other end that automatically loads the belt to the proper tension. You should not adjust these since they are preset. Tension can be affected slightly by adjusting the tension of the walking belt but if you have a slipping problem, the drive belt will require replacement. If your drive belt is too loose, it will slip on the front roller pulley or the motor pulley. If it is too tight, it will increase your amp draw to the point that you may have an electronics or motor problem. Due to this, it is better to be on the safe side and replace a drive belt rather than risk over tightening it.

Feb 20, 2010 | Proform CrossTrainer Treadmill

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