ProForm 985 user manual Turn if the walking belt has shifted to the right

PROBLEM: The walking belt is off-center or slips when walked on
SOLUTION: a. If the walking belt is off-center, first remove the	a
key and 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 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 walk-
ing 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 cor-
rectly 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.
PROBLEM: The chest pulse sensor does not function properly
SOLUTION: a. If the chest pulse sensor does not function properly, see CHEST PULSE SENSOR TROUBLE-
SHOOTING on page 13.
b. If the chest pulse sensor still does not function properly, the battery		b	Battery Cover
should be changed. To replace the battery, first locate the battery
cover on the back of the sensor unit. Insert a coin into the slot in the
cover, and turn the cover counterclockwise to the “open” position.
Then, remove the cover.

Next, remove the old battery from the sensor unit, and insert a new CR 2032 battery, with the battery oriented so the writing is on top. Make sure that the rubber gasket is in place in the sensor unit. Then, reinsert the battery cover and turn it to the closed position.

Battery

Cover

Battery

Rubber Gasket

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