NordicTrack Apex 4600 Treadmill User Manual page 24

English manual
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PROBLEM: The walking belt slows when walked on
SOLUTION: a. Use only a single-outlet surge suppressor that meets all of the specifications described on page 9.
b. If the walking belt is overtightened, treadmill perfor-
mance may decrease and the walking belt may be
permanently damaged. Remove the key and UN-
PLUG THE POWER CORD. Using the included hex
key, turn both rear roller bolts counterclockwise 1/4 of
a turn. When the walking belt is properly tightened,
you should be able to lift each edge of the walking
belt 3 to 4 in. (8 to 10 cm) off the walking platform. Be
careful to keep the walking belt centered. Then, plug
in the power cord, insert the key, and run the treadmill
for a few minutes. Repeat until the walking belt is
properly tightened.
c. If the walking belt still slows when walked on, please see the front cover of this manual.
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 rear 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 careful not to over-
tighten 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 remove
the key and UNPLUG THE POWER CORD. Using
the hex key, turn both rear roller bolts clockwise 1/4
of a turn. When the walking belt is correctly tightened,
you should be able to lift each edge of the walking
belt 3 to 4 in. (8 to 10 cm) off the walking platform. Be
careful to keep the walking belt centered. Then, plug
in the power cord, insert the key, and walk on the
treadmill for a few minutes. Repeat until the walking
belt is properly tightened.
b
a
b
24
3–4 in.
Rear Roller Bolts

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