Spirit Z88 Owner's Manual page 16

TREADBELT TRACKING ADJUSTMENT:
The performance of your treadmill is dependent on the frame running on a reasonably level
surface. If the frame is not level, the front and back roller cannot run parallel, and constant belt
adjustment may be necessary.
The treadmill is designed to keep the treadbelt reasonably centered while in use. It is normal for
some belts to drift near one side while the belt is running with no one on it. After a few minutes of
use, the treadbelt should have a tendency to center itself. If, during use, the belt continues to
move toward one side, adjustments are necessary.
TO SET TREADBELT TRACKING:
A 6 mm Allen wrench is provided to adjust the rear roller. Make tracking adjustments from the
left side only. Set belt speed at
approximately 2 to 3 mph. A small
adjustment can make a dramatic difference.
Turn the bolt only a 1/4 turn and wait a few
minutes for the belt to adjust itself. Continue
to make 1/4 turns until the belt stabilizes in
the center of the running deck. The belt may
require periodic tracking adjustment
depending on use and walking/running
characteristics. Some users will affect
tracking differently. Expect to make adjustments as required to center the treadbelt. Adjustments
will become less of a maintenance concern as the belt is used. Proper belt tracking is an owner
responsibility common with all treadmills.
ATTENTION:
DAMAGE TO THE RUNNING BELT RESULTING FROM IMPROPER TRACKING /
TENSION ADJUSTMENTS IS NOT COVERED UNDER THE SPIRIT WARRANTY.
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Z88