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9.3x Low-Impact Treadmills Assembly Guide 8
Checking the Alignment and Adjusting the Running Belt
Proper belt alignment allows the belt to remain centered and ensures smooth
operation. Realigning the belt takes a few simple adjustments. If you are unsure
about this procedure, call Precor Customer Support. Refer to Obtaining Service.
To check the alignment:
CAUTION: Special care must be taken when aligning the running belt. Turn Off
the treadmill while adjusting or working near the rear roller. Remove any
loose clothing and tie back your hair. Be very careful to keep your fingers and
any other object clear of the belt and rollers, especially in front of the roller
and behind the deck. The treadmill will not stop immediately if an object
becomes caught in the belt or rollers.
1. The treadmill has adjustable rear feet. Make sure that the running surface is
level before aligning or adjusting the running belt. Refer to step 18.
2. Connect the power plug to a dedicated, 15-amp power source and turn
the unit On.
3. Stand beside the treadmill and press QUICKSTART.
4. If needed, enter the password. Refer to your owner’s manual. The running belt
starts automatically after a 3-second countdown appears on the display.
5. Press the SPEED up arrow key until the display shows a speed of 3 mph
(5 kph).
CAUTION: If you hear any chafing or see that the running belt appears to
be getting damaged, stop the running belt immediately by pressing the
red STOP button. Contact Precor Customer Support.
6. Walk around to the rear of the unit and observe the belt for a few minutes. The
belt should run centered along the running bed. If the belt drifts off center, you
will need to make adjustments. Refer to the next section.
Important: If the belt needs alignment, make the adjustments at once. Failure
to align the belt may cause the belt to tear or fray, which is not covered by the
Precor Limited Warranty.
7. To stop the running belt, press the red STOP button.
8. Turn the treadmill Off.
To adjust the running belt:
If you are unsure about adjusting the running belt, contact 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 the unit.
1. Locate the right belt adjustment bolt in the rear end cap of the treadmill.
To determine left and right, stand at the rear of the treadmill and face the
display. Make all belt adjustments on the right rear corner bolt using the
¼-inch hex key.
• If the belt is off center to the LEFT, turn the adjusting bolt ¼ turn
counterclockwise, which moves the running belt to the right.
• If the belt is off center to the RIGHT, turn the bolt ¼ turn clockwise, which
moves the belt to the left.
Important: Do not turn the adjusting bolt more than ¼ turn at a time.
Overtightening the bolt can damage the treadmill.
2. Recheck the alignment of the running belt.
Adjustment bolt location