How to Replace the Drive Belt on a LifeFitness 95T Treadmill

This video shows the steps necessary for one to take when replacing the drive belt on a LifeFitness 95T treadmill.

Tools Required:

  • Phillips Screwdriver
  • 8MM Allen Wrench
  • 91/6" Socket Wrench or Hand Wrench
  • Long Flathead Screwdriver


  1. Begin by turning off the power at the treadmill and unplugging the unit from the wall.
  2. Remove the upright tube caps from the inside of the uprights by removing the Phillips screw and tilting the cap at the top.
  3. Remove the motor shroud by first taking out all four screws in the shroud.
  4. 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.
  5. 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.
  6. Using the 8MM Allen Wrench, loosen the bolts on each side of the rear roller by 10 full turns.
  7. 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 reference.
  8. Carefully remove the rear roller from the treadmill and set it aside.
  9. 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
  10. Using the 9/16" socket wrench or hand wrench, remove the bolt from the front roller mount.
  11. Remove the old drive belt from the unit.
  12. Install the new drive belt over the front roller pulley.
  13. If removed, insert the pulley end of the front roller into its place in the frame and align the other end with its mounting hole.
  14. Install the bolt and using the 9/16" socket or hand wrench, tighten it.
  15. 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.
  16. Install the rear roller under the belt and while pulling back on the roller, install the roller bolts on each side.
  17. 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 earlier. The belt may still be too loose, but that is ok as it can be fixed in a moment.
  18. Plug the unit back into the wall outlet and turn the power on.
  19. 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.
  20. Re-install the finger guards over the rear roller with the Phillips screwdriver.
  21. With the unit stopped, step onto the treadmill and straddle the running belt with a foot placed on each side of the frame.
  22. Start the unit at a walking speed and begin to walk on the belt. If the belt stops on your footfall 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.
  23. Reinstall the motor shroud and upright tube caps.
  24. This completes the drive belt replacement on a LifeFitness 95T treadmill.
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