Sears 831 297241 - Manual (Page 11)

4. SYMPTOM: THE WALKING BELT IS OFF-CENTER OR SUPS WHEN WALKED ON
a. If the walking belt has shifted to the left, first remove the safety
key and UNPLUG THE POWER CORD. Using the 3/16" alien
wrench, turn the left rear roller adjustment bolt clockwise, and
the right bolt counterclockwise, 1/4 of a turn each. Be careful not
to overtighten the walking belt. Plug in the power cord, insert the
safety key and run the treadmill for a few minutes. Repeat until
the walking belt is centered.
b. If the walking belt has shifted to the right, first remove the safety
key and UNPLUG THE POWER CORD. Using the 3/16” alien
wrench, turn the left rear roller adjustment bolt counterclockwise,
and the right bolt clockwise, 1/4 of a turn each. Be careful not to
overtighten the walking belt. Plug in the power cord, insert the
safety key and run the treadmill for a few minutes. Repeat until
the walking belt is centered. ■
c. If the walking belt slips when walked on, first remove the safety
key and UNPLUG THE POWER CORD. Using the 3/16” alien
wrench, turn both rear roller adjustment bolts clockwise, 1/4 of a
turn. When the walking belt is correctly tightened, you should be
able to lift each side of the walking belt 3-4 inches off the walking
platform. The center of the walking belt should just touch the
walking platform. Be careful to keep the walking belt centered. Plug
in the power cord, insert the safety key and run the treadmill for a
few minutes. Repeat until the walking belt is properly tightened.
STORAGE
Unplug the power cord when the treadmill is not in use. Remove the
indicated bolt and washer from the lower end of each upright. Loosen
the other bolts in each upright. Carefully rotate the uprights down. It is
recommended that the treadmill be covered during extended periods
of storage.
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