NordicTrack T 4.0 User Manual page 24

PROBLEM: The walking belt is off-center or slips when walked on
SOLUTION: a. If the walking belt is off-center, first 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 bolt counterclockwise 1/2 of a turn. Be care-
ful not to overtighten the walking belt. Then, plug in
the power cord, insert the key, and run the treadmill
for a few minutes. Repeat until the walking belt is
centered.
b. If the walking belt slips when walked on, first re-
move the key and UNPLUG THE POWER CORD.
Using the hex key, turn both idler roller bolts clock-
wise, 1/4 of a turn. When the walking belt is cor-
rectly tightened, you should be able to lift each side
of the walking belt 2 to 3 in. (5 to 7 cm) off the walk-
ing platform. Be careful to keep the walking belt
centered. Then, plug in the power cord, insert the
key, and carefully walk on the treadmill for a few
minutes. Repeat until the walking belt is properly
tightened.
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b