Sears 831.2974 - Manual (Page 10)

4. SYMPTOM: THE WALKING BELT SLOWS WHEN WALKED ON
a. Apply silicone lubricant to the walking platform before use. Reapply lubricant after every 10
hours of use, and whenever a decrease in performance is noticed. (Uni*Sport silicone spray is
recommended.) CAUTION: UNPLUG THE POWER CORD WHEN APPLYING LUBRICANT.
(See OPERATION AND ADJUSTMENT in this manual for application instructions.)
b. If an extension cord is needed, use only a 14-gauge general-purpose cord of five feet or less in length.
c. If the walking belt is overtightened, treadmill performance
may decrease and the walking belt may be permanently
damaged. Remove the safety key and UNPLUG THE
POWER CORD. Using the alien wrench, turn both rear
roller adjustment bolts counterclockwise, 1/4 of a turn.
When the walking belt is properly 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 min­
utes. Repeat until the walking belt is properly tightened.
5. SYMPTOM: THE WALKING BELT IS OFF-CENTER OR SLIPS 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 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 alien wrench, turn the left rear roller adjust­
ment 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 alien wrench, turn both rear roller adjustment bolts
clockwise, 1/4 of a turn. When the walking belt is a>rrectly
tight-ened, you should be able to lift each side of the
walking belt 3-4 inches off the walking platform. The cen­
ter of the walking belt should just touch the walking plat­
form. 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.
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