ProForm PFTL39908.0 manual Problem The walking belt slows when walked on

Locate the Reed Switch (89) and the Magnet (62) on
the left side of the Pulley (71). Turn the Pulley until the		1/8 in.
Magnet is aligned with the Reed Switch. Make sure			71
that the gap between the Magnet and the Reed
Switch is about 1/8 in. (3 mm). If necessary, loosen		89	62
the M4.2 x 13mm Tek Screw (3), move the Reed
Switch slightly, and then retighten the Screw.	Top View
Reattach the Hood (not shown), and run the treadmill
for a few minutes to check for a correct speed reading.
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 12.
b. If the walking belt is overtightened, treadmill perfor-	b
mance may decrease and the walking belt may be-		2–3 in.
come damaged. Remove the key and UNPLUG THE
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
insert the key, and run the treadmill for a few min-
utes. Repeat until the walking belt is properly tight-		Bolts
ened.

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, remove the key and	a
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 left idler roller
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 re-	b
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 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 plat-
form. Be careful to keep the walking belt centered.
Then, plug in the power cord, insert the key, and care-
fully 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.

20