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please LUBE the deck belt + rollers bearing too. See the video and proceed according. This happen because the lack of maintenance schedule.If after you fixed the problem remain , is TIME to replace the old board deck. God bless you
Remove the screws or bolts securing the ends of the pedals
to the crank axles. Slide the ends of the pedals off the axles. Remove any
screws or bolts securing the left and right disc shields to the base unit. Pull
or pry the disc shields off the base unit and set them aside.
Step 2
Remove any screws or bolts securing the left and right side
shields to the base unit. Detach the side shields and set them aside. Examine
the interior of the base unit and locate the drive belt.
Step 3
Pull the drive belt free of the crank pulley, flywheel and
any other pulleys. Discard the old drive belt and install a new belt in its
place. Turn the crank axles by hand to confirm that the belt will turn smoothly
when the device is in use.
Find the allen key that came with the treadmill. It is used to assemble and adjust the treadmill. Locate the 2 adjustment screws at the rear of the machine. If the belt is shifting to the left, tighten the left screw (turn clockwise) and the same if the belt goes to the right, tighten the right. Only turn the screw 1/2 turn and move the belt manually to shift the belt. If it requires more, turn another 1/4 turn, very little adjustment may be required to straighten the belt. Once the belt stops rubbing, start the machine running slowly (1-2 mph) and observe the belt FROM DIRECTLY BEHIND THE MACHINE. Carefully adjust the rear roller till the belt is as close to center as possible making small adjustments, 1/8-1/4 turn clockwise of the adjustment screws.
If the walking belt is off-center, remove the key and UNPLUG THE POWER CORD. If the walking belt has shifted to the left, use the hex key to turn the left idler roller bolt clockwise 1/2 of a turn; if the walking belt has shifted to the right, turn the left idler roller bolt counterclockwise 1/2 of a turn. Be
careful not to overtighten the walking belt. Plug in the power cord, insert the key, and run the treadmill for a few minutes. Repeat until the walking belt is centered
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 you Repeat until the walking belt is centered.
The walking belt may be too loose. If you have made recent adjustments, lubricated, or had repairs, a belt can slip if not tightened. The belt can slip if you have too much friction or if the belt has been recently lubricated. If lube does not help your problem and you have exhausted all other possibilities, the walking belt is most likely worn out and must be replaced. To adjust the belt:Less Belt Tension: turn both adjustment bolts on back of treadmill in a counter-clockwise direction.More Belt Tension:Turn both adjustment bolts equally in a clockwise direction.Center Adjustment (moves belt center to the left):Turn left-side adjustment bolt counter-clockwise.Center Adjustment (moves belt center to the right):Turn the left-side adjustment bolt clockwise. An over tightened walking belt can raise the amp draw of your treadmill, contribute to seam separation on the walking belt, or both, so do not over tighten the walking belt. You should be able to lift the belt in the center on the side by approximately 2” to 3”, if you cannot lift it by 2” to 3”, the belt is too tight.
I have the same unit. First, remove the hood. Then, the motor has an adjustment screw on the belt side of the motor. Loosen the nut a little, adjust the motor up or down to make the belt as tight as you can by hand, then re-tighten the nut. This always fixes mine.
Make sure treadmill is running when you adjust belt. The treadmill belt tracks as the belt goes around. I usually put machine on 2-2.5 if belt is not rubbing instantly. If belt is already against plastic, turn adj. counterclockwise on the opposite side about one full turn. You can usually move belt with your foot to see if it aligns any with turning on the treadmill. Once belt is not rubbing, turn treadmill on and continue alighing the belt.
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