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How do you reinstall the drive belt on a T6.3 treadmill?

After changing the motor how do you install the drive belt?

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  1. Remove the drive belt
  2. Loosen rear roller screws
  3. Remove the screw holding the front roller
  4. Slip out the roller
  5. Slip on drive belt
  6. Put back together in reverse order

Posted on Jan 04, 2014

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My belt is lubed and properly tightened. The belt will slow down intermittently randomly while running without anyone on it. Model NTL2495.0


first of all check the drive belt is loose or not. Drive beit connect with the motor and roller of the treadmill. its not possible to see the drive belt out side. you can only see it if you remove the motor cover. if its loose the try to tighten it. if its not the problem then the treadmill motor have some problem. Either the motor is faulty or the carbon brush is faulty. There is 2 carbon brush inside the motor which is replaceable, its used to take the voltage to the rotary part (armature) of the motor. If the contact with the rotary part and carbon brush is poor the this type of problem can occur. tyr to change the brush. Here i have added a video which demonstrate how to change the carbon brush of the treadmill motor. It not the exact model you have. but almost all treadmills have the same type of motor. even after replacing the carbon brush the treadmill shows the same problem then you have to charge the motor with a new one .
http://electro-medical.blogspot.com/

Fitness repairs

Nov 13, 2015 | Exercise & Fitness

Tip

95T Treadmill Belt and Deck Replacement


Video Demonstration of a Belt and Deck Replacement on a Life Fitness 95 T Treadmill

  • This video demonstrates the steps necessary when performing a belt and deck replacement on a LifeFitness 95T treadmill
  • Tools Necessary:
    • 9/16" Socket Wrench or 9/16" Hand Wrench
    • Long Flathead Screwdriver
    • Phillips Screwdriver
    • 4MM Allen Wrench or Allen Socket
    • 8MM Allen Wrench
    • Plastic Putty Knife
    • Shop Vac or Vacuum
  • Begin by turning off power at the treadmill and unplugging the unit from the wall
  • Remove the upright tube caps from the inside of the uprights
  • Remove the Phillips screw and tilt the cap in at the top
  • Remove the motor shroud by first taking out all four screws in the shroud
  • Then remove the screws at the top of the front panel and loosen the lower screws
    • This will leave enough play to remove the shroud as shown in the video
  • Now with the Phillips screwdriver, remove the finger guards at the end of the treadmill from each side of the rear roller
  • You will need to slightly twist the finger guards to get them out from under the belt
  • Using the 8MM Allen Wrench, loosen the bolts on each side of the rear roller by 10 full turns
    • At this point, you can completely remove the rear roller bolts while keeping count of the number of turns at each side of the roller
  • Do not include the 10 full turns from the previous step, only count the turns for this step and make note of the number of turns for future referenc
  • Carefully remove the rear roller from the treadmill and set it aside
  • At the motor compartment, use the long flathead screwdriver to lift the tensioner arm and remove the drive belt from the drive motor pulley
    • CAUTION Pinch Point
  • Using the 9/16" socket wrench or hand wrench, remove the bolt from the front roller mount
  • Carefully remove the front roller from the frame and set the roller aside
  • Use the 4mm Allen wrench or socket to remove the 4 deck bolts from the deck
  • Once the 4 deck bolts are removed, you can pull the deck and belt from the frame
  • Be careful to not let the deck drop too far down into the frame during removal
  • Damage to the anti-static tinsel can occur if deck drops too low into the frame (as seen in the video)
  • It is recommended to thoroughly clean the treadmill before completing your belt and deck replacement
    • While the belt, deck and rollers are out of the frame is a great time for cleaning
    • Dirt, debris or other contamination can cause noise, early damage or premature wear on new parts
  • Use a plastic putty knife to scrape away any debris build up from the front and rear rollers
  • Vacuum most of the painted surfaces then wipe clean with a Sportsmith equipment wipe
  • Once you've completed the cleaning of your treadmill, it should now be ready for reassembly
  • It is necessary to install a new deck surface with the new treadmill belt
  • Your unit may have an unused side of the deck that can be flipped into use or the deck may need replaced
  • Before installing the new deck surface, inspect the tinnerman clips
    • The tinnerman clips are what the deck bolts thread into
  • Simplify the installation process by placing the new treadmill belt over the new deck surface
    • Ensuring the belt is installed in the proper direction
      • If marked, use the arrows on the inside of the belt
  • Now place the belt and deck into the treadmill as a unit
  • Install the front two deck bolts (closest to the front roller) about half way
  • Then use a long tool to line up the deck holes by the rear roller while placing your weight onto the deck to allow the bolts to start
    • Install these bolts in about half way
  • Now tighten all four deck bolts
  • Carefully insert the front roller under the treadmill belt and into place
    • Making sure to install the drive belt over the pulley on the front roller
  • Install the pulley end of the roller into the frame and align the other end with its bolt hole
  • Install the bolt and using the 9/16" socket or hand wrench, tighten it
  • Again, use the long flathead screwdriver to lift the tensioner arm and reinstall the drive belt onto the drive motor pulley
    • Practice CAUTION as this is a Pinch Point
  • Install the rear roller under the belt and while pulling back on the roller install the roller bolts on each side
  • Remember to keep count of the number of turns on the rear roller bolts
    • Reinstall the roller bolts using the same number of turns you noted from earlier
  • The belt may still be too lose, but that is ok as it can be fixed in a moment
  • Plug the unit back into the wall outlet and turn the power on
  • Start the unit at a very slow speed and observe the tracking of the belt
    • If the belt is not turning with the front roller, make small equal turns of the rear roller bolts until the belt begins to move
  • If the belt moves quickly to either side of the frame, quickly press the STOP key to keep the belt from being damaged
  • If the belt is moving to the left side of the unit, you can tighten the bolt on the left side of the rear roller
  • If the belt moves to the right side, you can tighten the bolt on the right side of the rear roller
  • Once the belt is tracking straight, move on to the next step
  • Re-install the finger guards over the rear roller with the Phillips screwdriver
  • With the unit stopped, step onto the treadmill and straddle the running belt with a foot placed on each side of the frame
  • Start the unit at a walking speed and begin to walk on the belt
    • If the belt stops on your foot fall or with your weight, make small adjustments such as 1/4 turns on each side of the rear roller until the belt slippage or hesitation is no longer felt
  • Continue this adjustment until no slippage or hesitation is felt at running speed
  • Now reinstall the motor shroud and upright tube caps
  • Log the repair into the Maintenance record of the treadmill display electronics
    • Press STOP then hold the PAUSE key until the display comes on and reads SERVICE MENU
    • Use the UP or DOWN arrow to scroll to MAINTENANCE and press ENTER
    • Display now reads MAINTENANCE MENU
    • Use the UP or DOWN arrow, scroll to REPLACING BELT/DECK and press ENTER
    • Display will read REPAIR LOGGED and will then return to the SERVICE MENU
    • You can press STOP key to exit the SERVICE MENU
  • This completes the belt and deck replacement on the LifeFitness 95T treadmill

Life Fitness Treadmill Belt and Deck Replacement Video 95T

on Apr 28, 2014 | Life Fitness Exercise & Fitness

1 Answer

Precor Treadmill C956 error 21


Precor Error Code 21 Error Code: 21 Manufacturer: Precor
Model: All Models
Error Description: Error 21, Too many Consecutive Power Requests- The error 21 observes a treadmill's power bit reading when the treadmill was operating at speeds above 1 mph. Power bits indicate the relative time that the motor controller drive circuit is turned on. Power bits is an indication of the amount of power the load is demanding from the motor controller. Error 21 indicates that at a speed greater than 1 mph, an excessive amount of power is being demanded from the motor controller. Possible Reason:
  1. A badly worn deck and/or running belt can cause the error to appear when the unit is in use.
  2. Badly worn drive motor brushes may not be making proper contact with the drive motor commutator causing the error to occur when the unit is in use. The unit may also slow down or become sluggish when the load or speed is increased.
  3. A jumper may be required on the lower PCA if installed into a 120 VAC (Version 2) treadmill.
  4. A leaky or shorted drive motor filter capacitor (on units equipped with SCR motor controller) could increase the current demand enough to cause the error.
  5. A leaky or shorted drive motor inductor (on units equipped with SCR motor controller) could increase the current demand enough to cause the error.
  6. The high power demand is caused by a shorted or de-magnetized drive motor.
Recommended Action:
  1. Determine the amount of AC input current being drawn by the unit under no load and loaded conditions using a clamp on AC ammeter. The current displayed can be used to determine the condition of the deck and/or running belt. These same readings should be taken on a like unit, in good operating condition with a know good deck and running belt. The readings from the unit in good operationg condition can be used as the benchmark. Compare readings and replace* the deck and/or running belt if necessary. *Some units have a reversible deck. Be sure if the deck is being flipped or replaced, a new belt is installed on the new deck surface.*
  2. Inspect and repalce both drive motor brushes if necessary.
  3. Inspect the lower PCA (if unit is 120 VAC/ Version 2) for jumper. If jumper is not installed, error typically appears between 7 mph & 8 mph. Install jumper if necessary. CAUTION - DO NOT install jumper if unit is 240 VAC. Installing the jumper on a 240 VAC unit will casue the lower PCA to fail.
  4. Measure the AC input current without a load using a clamp on AC ammeter. Electrically isolate the filter capacitor from the drive motor circuit. The drive motor leads need be kept intact so the drive motor will operate with the filter capacitor removed from the circuit. Re-measure the no load AC input. If the AC input current is significantly lower, replace the filter capacitor.
  5. Measure the AC input current without a load using a clamp on AC ammeter. Electrically isolate the inductor from the drive motor circuit. The drive motor leads need be kept intact so the drive motor will operate with the inductor removed from the circuit. Re-measure the no load AC input. If the AC input current is significantly lower, replace the inductor.
  6. Swap the existing drive motor with a known good drive motor.
Precor Error Code 21

Dec 08, 2013 | Precor C956 Treadmill with Cardio Theater...

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.

Copyright 2009 by TreadmillDoctor.com, Inc.

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Jul 09, 2012 | Exercise & Fitness

1 Answer

What are the steps to installing the motor belt and front left endcap to a Weslo treadmill.


Watch this video:
you must proceed as the video.
http://www.youtube.com/watch?v=hKbAqvuOBS0&feature=related

remember Not to tigh the drive belt motor so much. That will be create another problem: Noise, stopping frequently, smell to hot. etc.

sincerely.

e.cuadra

Nov 12, 2011 | Exercise & Fitness

1 Answer

Epic is sending me a replacement motor for my 425MX. Is it easy to change out the old one? Any secrets I need to know before starting?


You will need to loosen the rear roller off 8-10 turns on both sides to reinstall the motor drive belt...

Dec 14, 2010 | Epic 425 Mx Treadmill EPTL88105 !

2 Answers

Replacing the drive belt Nordictrack 2900


basically you will be just about to take your treadmill, almost totally apart. But the are not many nuts and bolts to solving your problem, first Lay treadmill on its side and locate the rear roller bolts, on mine their are 2, most tread mills are all the same, remove them 2 bolts, Now locate the front roller bolt, 1 bolt,remove bolt, your belt is going to be very loose now, on the side that you would be walking on, Is a board, 6 phillips head screws, Hold the board to the metal frame, remove them, remove the board, then go back to the rear roller, And remove the plastic end caps that hold the rear roller too the metal frame, by gently tapping them off, remove old belt from rear roller, Now go to front roller, and remove belt from front roller, and its time to Install new Belt, AND AJUST NEW BELT, Put belt on front roller and reinstall roller, put plastic end caps back on frame, and then reinstall rear roller threw the belt and reconnect to the plastic end caps on the rear of the frame, Now reinstall the board with 6 phillip screws, to the metal frame, Now turn treadmill upright again, Its time to AJUST YOUR NEW BELT 1st Center your New Belt, Then tighten rear roller bolts, ( Pay Attention ) Count even amount of turns for both Rear roller bolts, Then Ajust front roller Alignment, Their is only 1 bolt on most treadmills, So if your belt is pulling to one side when you turn the treadmill on,it means you still have to ajust the front roller ajustment screw, What I Do Is , I USE A small leveling tool, For the front roller ajustment, It KEEPS the pitch EVEN on both sides of the front roller, and this is HOW YOU REPLACE YOUR BELT AND AJUST THE NEW BELT, and save your self some money, enjoy, in you need to contact me, kjosr@cox.net

Oct 24, 2010 | Nordic Track /proform Treadmill...

1 Answer

How do I change the treadmill band on a 9500hr commercial treadmill?


Step one: remove the screws to calibrate allens belt in the opposite direction clockwise allens wrench 5 / 16 "
Step two: remove the screws above the deck allens wrench 5 / 32 "
Step three: with a flat screwdriver to lift the lever of the Idler belt and remove the drive belt motor pulley. be careful
Step four: remove the rollers carefully.
Step five: Remove the deck
Step Six: Remove the philips screw that holds the spray nozzle
Step seven: now carefully remove the belt.
to install belt now repeat these steps from back to front Once installed you must calibrate or belt slack to avoid turning the screws slide the meaning allens counterclockwise you can start with a speed 1.5Mph and increasing to 4.5Mph any questions send me an E-mail to cardiotech_me@hotmail.com

Aug 25, 2010 | Life Fitness 9500HR Next Generation...

1 Answer

My Precor 956 keeps shutting off. Originally had error 21. As a result I gave the treadmill it's own outlet not sharing power with anything else. It now just cuts right out. It is a refurbished treadmill,...


Precor Error Code 21 Error Code: 21 Manufacturer: Precor
Model: All Models
Error Description: Error 21, Too many Consecutive Power Requests- The error 21 observes a treadmill's power bit reading when the treadmill was operating at speeds above 1 mph. Power bits indicate the relative time that the motor controller drive circuit is turned on. Power bits is an indication of the amount of power the load is demanding from the motor controller. Error 21 indicates that at a speed greater than 1 mph, an excessive amount of power is being demanded from the motor controller. Possible Reason:
  1. A badly worn deck and/or running belt can cause the error to appear when the unit is in use.
  2. Badly worn drive motor brushes may not be making proper contact with the drive motor commutator causing the error to occur when the unit is in use. The unit may also slow down or become sluggish when the load or speed is increased.
  3. A jumper may be required on the lower PCA if installed into a 120 VAC (Version 2) treadmill.
  4. A leaky or shorted drive motor filter capacitor (on units equipped with SCR motor controller) could increase the current demand enough to cause the error.
  5. A leaky or shorted drive motor inductor (on units equipped with SCR motor controller) could increase the current demand enough to cause the error.
  6. The high power demand is caused by a shorted or de-magnetized drive motor.
Recommended Action:
  1. Determine the amount of AC input current being drawn by the unit under no load and loaded conditions using a clamp on AC ammeter. The current displayed can be used to determine the condition of the deck and/or running belt. These same readings should be taken on a like unit, in good operating condition with a know good deck and running belt. The readings from the unit in good operationg condition can be used as the benchmark. Compare readings and replace* the deck and/or running belt if necessary. *Some units have a reversible deck. Be sure if the deck is being flipped or replaced, a new belt is installed on the new deck surface.*
  2. Inspect and repalce both drive motor brushes if necessary.
  3. Inspect the lower PCA (if unit is 120 VAC/ Version 2) for jumper. If jumper is not installed, error typically appears between 7 mph & 8 mph. Install jumper if necessary. CAUTION - DO NOT install jumper if unit is 240 VAC. Installing the jumper on a 240 VAC unit will casue the lower PCA to fail.
  4. Measure the AC input current without a load using a clamp on AC ammeter. Electrically isolate the filter capacitor from the drive motor circuit. The drive motor leads need be kept intact so the drive motor will operate with the filter capacitor removed from the circuit. Re-measure the no load AC input. If the AC input current is significantly lower, replace the filter capacitor.
  5. Measure the AC input current without a load using a clamp on AC ammeter. Electrically isolate the inductor from the drive motor circuit. The drive motor leads need be kept intact so the drive motor will operate with the inductor removed from the circuit. Re-measure the no load AC input. If the AC input current is significantly lower, replace the inductor.
  6. Swap the existing drive motor with a known good drive motor.
Precor Error Code 21

Mar 28, 2010 | Precor C954i Commercial Treadmill

1 Answer

I have a proform xp 550s treadmill. The belt


change drive belt proform xp 550s treadmill

Aug 26, 2009 | Exercise & Fitness

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