Recent models of treadmill produced by NordicTrack come equipped with a motor unit installed, which serves to move the device's walking belt when activated. However, certain models that are no longer in production, such as the “WalkFit” line, require the user to move the belt manually. After an initial push, momentum helps to keep the belt moving along the walking deck. Occasionally, certain components of these treadmills may cease to function as desired, requiring some basic maintenance in order to restore the device to working order.
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Step onto the treadmill's side rails. Hold onto the handlebars and push the walking belt backwards with one foot. Begin walking on the belt, then accelerate slightly to build momentum.
Step off the belt and onto the side rails. Dismount the machine, then examine the belt as it moves to determine which direction to shift the belt. Wait for the belt to stop before proceeding.
Stand on the side of the treadmill located opposite of where you intend to shift the belt. Hold onto the handlebars and place one foot on the edge of the walking belt. Push the walking belt backwards; the belt will begin to shift towards the desired location.
Lift the rear end of the treadmill. Spread a layer of paper towels or newspapers underneath the treadmill. Lower the treadmill back to the floor.
Grip the right edge of the treadmill's walking belt between your thumb and forefinger. Pull the edge of the belt upwards. Apply lubricant to the spot on the walking deck where you normally place your right foot when exercising. Repeat with the left side of the treadmill.
Step onto the treadmill's side rails. Push the walking belt backwards with one foot to build momentum, then step onto the belt and begin walking. Continue to walk for five minutes, to spread the lubricant across the surface of the deck. Lift the rear of the treadmill and remove the layer of paper towels or newspapers.
Lift the front end of the treadmill. Spread a layer of paper towels or newspapers underneath the treadmill. Lower the treadmill back to the floor.
Disconnect the end of the flywheel's drag strip from the tension rod. Pull the strip free from the flywheel. If the strip appears worn, discard it in favor of a replacement strip; otherwise, use a stiff brush to clean both sides of the strip.
Apply a small amount of rubbing alcohol to a work towel. Rub the work towel over the surface of the flywheel. Examine the flywheel for signs of rust or corrosion; clean any problem areas with steel wool. Use a second work towel to dry the surface of the flywheel.
Fit the drag strip onto the flywheel, then slide the looped end of the strip onto the tension rod. Allow approximately one inch of the strip's tail to protrude past the strip's loop.