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How to Adjust and Tension the Striding Belt
Do not move the treadmill or place hands under the treadmill while it is plugged into an electrical outlet!
Belt Tensioning Bolts
An 8mm hex key wrench is required for this task. The treadmill has access holes in the rear roller guards which allow
access to the tensioning bolts. These tensioning bolts make it possible to adjust the tracking and centering of the
striding belt without removing the guards.
NOTE: It is extremely important that the treadmill be correctly leveled prior to any tracking adjustments. An unstable
unit may cause striding belt misalignment. See How To Stabilize the Treadmill prior to attempting any rear roller
adjustments.
Before proceeding, it is helpful to visualize the pivot point of the rear roller. Each adjustment made to one side of
the roller must be met with an equal and opposite adjustment to the other side of the roller to maintain an ideal belt
tension at the pivot point.
Tracking (Centering) A Striding Belt
Two people are needed to perform this procedure.
1. Locate the two access holes to the belt tensioning bolts on each of the rear roller guards.
2. One person stands on the side rails of the treadmill and straddles the belt. This person presses GO and sets the
belt speed to 2.5 MPH (4.0 KPH).
3. If the striding belt has moved to the right, the second person turns the right tension bolt a quarter-turn clockwise
and then turns the left tension bolt a quarter-turn counter-clockwise to make the striding belt track back to the
center of the roller. If the striding belt has moved to the left, turn the left tension bolt a quarter-turn clockwise and
then turn the right tension bolt a quarter-turn counter-clockwise to make the striding belt track back to the center
of the roller.
NOTE: If the striding belt has moved as far as to the edge of the roller (either right or left side), it must be
re-centered per the above procedure.
4. Repeat the adjustments until the striding belt appears centered. Allow the machine to continue running for several
minutes at 4.0 MPH. (6.4 KPH) to observe if tracking remains stabilized.
NOTE: Do not exceed one full turn of the adjusting screws in either direction. If after one full turn the belt does not
track properly, contact Life Fitness Customer Support. Do not overtighten the tensioning bolts while making belt
adjustments. Overtightening of bolts may over stretch and damage the striding belt or roller.
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Description
Belt
Rear Roller
Pivot Point of Rear Roller
Qty.
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