Problem: the walking belt slows when walked on – NordicTrack NTL21905.0 User Manual

Page 31

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Next, locate the Reed Switch (14) and the Magnet (12) on

the left side of the Pulley (11). Turn the Pulley until the

Magnet is

aligned with the Reed Switch.

Make sure that

the gap between the Magnet and the Reed Switch is
about

1/8”. If necessary, loosen the indicated Screw (29),

move the Reed Switch slightly, and then retighten the
Screw. Reattach the hood 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 13.

b. If the walking belt is overtightened, treadmill perfor

mance may decrease and the walking belt may be
permanently damaged. Remove the key and

UN

PLUG THE POWER CORD

Using the included alien

wrench, turn both rear roller adjustment bolts counter
clockwise 1/4 of a turn. When the walking belt is prop
erly tightened, you should be able to lift each edge of
the walking belt 3 to 4 inches 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 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

belt has shifted to the

left,

use the alien wrench to

turn

the left rear roller bolt clockwise 1 /2 of a turn;

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 walking belt is centered.

If the walking belt slips when walked on, first remove

the key and

UNPLUG THE POWER CORD.

Using

the alien wrench, turn both rear roller bolts clockwise

1 /4 of a turn. When the walking belt is correctly tight
ened, you should be able to lift each edge of the

walking belt 3 to 4 inches off the walking platform. Be
careful to keep the walking belt centered. Then, plug
in the power cord, insert the key, and walk on the
treadmill for a few minutes. Repeat until the walking
belt is properly tightened.