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After placing the treadmill in the position it will be used, the belt must be checked for proper tension
and centering. The belt might need to be adjusted after the first two hours of use. Temperature,
humidity, and use cause the belt to stretch at different rates. If the belt starts to slip when a user is on it,
be sure to follow the directions below.
STEP 1:
Locate the two hex head bolts on the rear of the treadmill. The bolts are located at each end of the
frame at the back of the treadmill. These bolts adjust the rear belt roller. Do not adjust until the
treadmill is on. This will prevent over tightening of one side.
STEP 2 :
The belt should have equal distance on either side between the frame. If the belt is touching one side,
do not start the treadmill. Turn the bolts counter clockwise approximately one full turn on each side.
Manually center the belt by pushing the belt from side to side. Tighten the bolts the same amount as
when the user loosened them, approximately one full turn. Inspect the belt for damage.
STEP3 :
While the treadmill is running at 3 mph / 4.8 kph, observe the belt position. If it is moving to the right,
tighten the right bolt by turning it clockwise ?turn, and loosen the left bolt turn. If it is moving to the
left, tighten the left bolt by turning it clockwise ?turn and loosen the right ?turn. Repeat Step 3 until
the belt remains centered for several minutes.
STEP 4 :
Check the tension of the belt. The belt should be very snug. When a person walks or runs on the belt, it
should not hesitate or slip. If this occurs, tighten the belt by turning both bolts clockwise ?turn. Repeat
if necessary.
4.5 ADJUSTING THE BELT
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