Pro-Form ZT3 - WALKING BELT PROBLEMS

21
Locate the Reed Switch (46) and the Magnet (44)
on the left side of the Pulley (43). Turn the Pulley
until the Magnet is aligned with the Reed Switch.
M
ake sure that the gap between the Magnet and
the Reed Switch is about 1/8 in. (3 mm). If nec-
e
ssary, loosen the #8 x 3/4" Tek Screw (20), move
the Reed Switch slightly, and then retighten the
Screw. Reattach the Hood (not shown), and run the
treadmill for a few minutes to check for a correct
speed reading.
SYMPTOM: The walking belt slows when walked on
a. Use only a surge suppressor that meets all of the
specifications described on page 13.
b. If the walking belt is overtightened, treadmill perfor-
mance may decrease and the walking belt may be-
come damaged. Remove the key and UNPLUG
THE POWER CORD. Using the hex key, turn both
idler roller screws 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
2 to 3 in. (5 to 7 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 walk-
ing belt is properly tightened.
c. If the walking belt still slows when walked on, see
the front cover of this manual.
SYMPTOM: The walking belt is off-center or slips
when walked on
a
. If the walking belt is off-center, first remove the
key and UNPLUG THE POWER CORD. If the
w
alking belt has shifted to the left, use the hex
key to turn the left idler roller screw clockwise 1/2
of a turn; if the walking belt has shifted to the
right, turn the left idler roller screw counterclock-
wise 1/2 of a turn. Be careful 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 screws
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 2 to 3 in. (5 to 7 cm) off
the walking platform. Be careful to keep the walk-
ing belt centered. Then, plug in the power cord, in-
sert the key, and carefully walk on the treadmill for
a few minutes. Repeat until the walking belt is
properly tightened.
44
46
20
Top
View
1/8 in.
43
Idler Roller Screws
2–3 in.
b
a
b