Precor TRM 800 - Manual (Page 30)

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Assembling and Maintaining TRM 800-Series Treadmills
Leveling the Unit
The treadmill deck must be absolutely level from side to side
to keep the belt in alignment and ensure proper operation. If
the load is not equally distributed across the treadmill deck,
users may feel excessive vibration or observe it at the
console. You must make sure the deck is level before allowing
anyone to use the treadmill.
Important: Observe the following precautions throughout this
procedure:
 Adjust only one rear foot at a time.
 Do not raise the unit beyond ³⁄₄ inch (2 cm).
 Install the unit only on an absolutely even surface. Adjusting
the rear feet cannot compensate for variations in the surface
under the unit.
To level the treadmill:
1.
Place a bubble level across the running belt to see
whether the treadmill is level.
Figure 15: Bubble level placement on running belt
If the treadmill … Then …
Is level Skip to the next procedure.
Is not level Continue with step 2.
2. Position yourself next to the adjustable rear feet.
Important: Be sure that your assistant uses proper lifting
techniques in the following step.
3. Ask a capable assistant to lift the rear portion of the
treadmill (using proper lifting techniques).