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maintenance of their treadmills. The following illustrates how to tension the Treadbelt
and Drive Belt.
Check Drive Belt tension
Drive Belts are pretensioned before the treadmill leaves the factory. Adjustments are ONLY
necessary when Drive Belt is slipping during use.
To test for tightness:
1. Remove motor cover.
2. With mill running at 2mph walk on treadbelt.
3. If Drive Belt is moving front roller with no slippage then drive belt is correctly tensioned.
Check the tension on the Drive Belt by placing the Drive Belt between your thumb and
forefinger and twisting.
The proper twist is 45
°
. If the belt needs to be adjusted use a 7/16”
socket and turn the bolt
underneath the motor pan attached to the hook screw.
CAUTION: NEVER OVERTENSION THE DRIVE BELT. TIGHTEN ONLY TILL
SLIPPING STOPS. OVER TIGHTENING MAY CAUSE SERIOUS DAMAGE TO THE
DRIVE MOTOR AND WILL VOID THE MOTOR’S WARRANTY.
TREADBELT TRACKING
The Treadbelt is TRACKED by means of two adjustment bolts (9/16" wrench) located at rear of
treadmill. By tightening the side the belt is closest to and loosening the opposite side by the same
amount, you change the alignment of the rear roller without changing overall tension. Adjustments
should be made with treadmill running, and should be made in 1/4-turn increments. Allow at least 30
seconds for treadbelt to stabilize between each adjustment. Perform the adjustments at slower