ProForm PFT39110.0 user manual Top, View Problem The walking belt slows when walked on

Locate the Reed Switch (46) and the Magnet (44) on
the left side of the Pulley (43). Turn the Pulley until the		1/8 in.
Magnet is aligned with the Reed Switch. Make sure				43
that the gap between the Magnet and the Reed			20
Switch is about 1/8 in. (3 mm). If necessary, loosen			46	44
the #8 x 3/4" Tek Screw (20), move the Reed Switch
slightly, and then retighten the Screw. Reattach the	Top
Motor Hood (not shown), and run the treadmill for a
few minutes to check for a correct speed reading.	View
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 13.
b. If the walking belt is overtightened, treadmill perfor-	b
mance may decrease and the walking belt may be-
come damaged. Remove the key and UNPLUG THE	2–3 in.
POWER CORD. Using the hex key, turn both idler
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 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,	Idler Roller Bolts
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	a
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
bolt counterclockwise 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 remove	b
the key and UNPLUG THE POWER CORD. Using
the hex key, turn both idler 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 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 carefully walk
on the treadmill for a few minutes. Repeat until the
walking belt is properly tightened.

PROBLEM: The incline of the treadmill does not change correctly

SOLUTION: a. With the key in the console, press one of the Incline buttons. While the incline is changing, re- move the key. After a few seconds, re-insert the key. The treadmill will automatically rise to the maximum incline level and then return to the minimum level. This will recalibrate the incline system.

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