Precor Energy Series Service Manual page 52

15. Position the belt seam to the underside of the deck.
16. Place two running belt gauges on each side of the running belt (sure that the gauges are
not across a belt seam). Set the gauges to the 3.0 % mark as shown in the Illustration
below.
17. Alternately tighten the left and right Take-up roller mounting bolts to evenly tension the
running belt. Continue to tension the belt to read 3.6 % on both gauges.
18. Remove both belt gauges from the running belt.
19. Start the treadmill and operate it at 2 mph. Observe the running belt tracking. If the belt drifts
from center, only use the right take-up roller bolt to re-center the belt tracking as follows:
a. If the belt drifts to the right, slowly turn the right take-up roller bolt clockwise until the
drifting stops.
b. If the belt drifts to the left, slowly turn the right take-up roller bolt counter clockwise until the
drifting stops.
20. Increase the treadmill speed to 4 mph, if the belt drifts from center use the same belt
adjustment procedure to center the tracking.
21. Increase the treadmill speed to 8 mph, if the belt drifts away from center use the same belt
adjustment procedure to center the tracking.
22. Increase the treadmill speed to maximum, if the belt drifts away from center use the same belt
adjustment procedure to center the tracking.
23. Set the treadmill at a comfortable running speed and run on the treadmill for a couple of
minutes while observing the running belt tracking. If the belt drifts away from center, use
the same belt adjustment procedure to center the tracking.
24. Replace the end caps and motor cover.
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