Precor LOW-IMPACT TREADMILLS 9.33 Owner's Manual page 83

Before using the unit, make sure it is level. If adjustments are needed,
adjust one rear foot at a time. Do not raise the unit more than ¾ inch
(2 cm) from the floor.
a. Ask a capable assistant to lift the rear portion of the treadmill (using
proper lifting techniques).
b. Loosen the upper lock nut with a crescent wrench and rotate the rear
feet as needed.
c. Retighten the lock nut and lower the treadmill to the floor.
9.3x Low-Impact Treadmills Assembly Guide
Adjustable
rear foot
Check the alignment and adjust the running belt. For instructions, refer to
Checking the Alignment and Adjusting the Running Belt. If you wish to
test the heart rate feature, refer to the owner's manual.
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