ProForm PFT39110.0

Locate the ReedSwitch (46) and the Magnet (44) on

the left sideof the Pulley (43). Turn the Pulley until the

Magnet is alignedwith the Reed Switch. Make sure

that the gap betweenthe Magnet and the Reed

Switch is about1/8 in. (3 mm). If necessary, loosen

the #8 x 3/4" Tek Screw (20),move the Reed Switch

slightly,and then retighten the Screw. Reattach the

Motor Hood (notshown), and run the treadmill for a

few minutesto check for a correct speed reading.

PROBLEM: The walking belt slows when walked on

SOLUTION: a. Use only a single-outlet surge suppressorthat meets all of the specificationsdescribed 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 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,

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 frontcover of thismanual.

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 toturn

theleft idler roller bolt clockwise 1/2 of a turn; if the

walking belt has shifted to the right, turn the left

boltcounterclockwise 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

the key and UNPLUGTHE POWER CORD. Using

the hex key, turnboth idler roller bolts clockwise, 1/4

of a turn. Whenthe walking belt is correctly tightened,

you should beable to lift each edge of the walking

belt 2 to 3 in. (5 to7 cm) off the walking platform. Be

careful to keepthe walking belt centered. Then, plug

in the power cord,insert the key, and carefully walk

on the treadmillfor a few minutes. Repeat until the

walking beltis 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

maximumincline level and then return to the minimumlevel. This will recalibrate the incline system.

Idler Roller Bolts

2–3 in.

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1/8 in. 43