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48 Assembling and Maintaining TRM 800-Series Treadmills
5. Check the belt tension of the step-up and drive belts.
6. Clean and lubricate the lift motor screw with an approved
grease such as SuperLube® with Teflon® or Mobil 1®
synthetic grease (adjustable-ramp models only).
7. Check all fasteners for proper tightness and torque.
8. Replace all covers.
9. Verify that the unit sits squarely on the floor. All of its feet
should be touching the floor and the unit should not rock
or wobble when in use. If not, re-level it as described in
Leveling the Unit.
Adjusting the Running Belt
If you are unsure about adjusting the running belt, call Precor
Customer Support (refer to Obtaining Service).
CAUTION: For your safety, use the power switch to turn OFF the
treadmill before making any adjustments. Do not adjust the
running belt when someone is standing on it.
Important: This procedure uses the terms "left" and "right" as
they would appear to a person standing behind the treadmill and
facing the console. Make all belt adjustments on the adjusting
bolts at the rear corners of the treadmill, using the hex key
provided, and do not turn either bolt more than ¼ turn before
checking the alignment of the running belt again. Overtightening
the adjusting bolts can damage the treadmill.
To adjust the running belt:
1. Locate the adjusting bolts in the end caps at the rear
corners of the treadmill, as shown in the following
diagram.
Figure 29: Location of the adjustment bolt
2. Using the hex key, move one of the adjusting bolts ¼ turn
counterclockwise to loosen it.