How To Adjust And Tension The Striding Belt - Life Fitness PLATINUM CLUB Series Assembly Instructions Manual

2.5 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!
The Belt Tensioning Bolts
A 5/16-inch hex key wrench is required for this task. The Life
Fitness Treadmill has access holes (A) 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 strid-
ing belt (B) 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 Life
Fitness Treadmill prior to attempting any rear roller adjustments.
Before proceeding, it is helpful to visualize the REAR ROLLER (C)
pivot point (D). Each adjustment made to one side of the ROLLER
must be met with an equal and opposite adjustment (E) 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 Services. Do not overtighten the tensioning bolts while making belt ad-
justments. Overtightening of bolts may over stretch and damage the striding belt or roller.
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B
E
C
D
E