Nautilus Be Strong Commerical T912, Service Manual

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4. Test the belt by running on the belt at about four (4) mph. Hold the handrail lightly and resist the
belt movement with your feet.
5. If you feel the belt slip on the front roller, increase the tension of each adjustment bolt by 1/2 turn
and re-test. If you feel the belt slip again, check the tensioner adjustment.
Adjusting Belt Tracking
Perform this procedure whenever the belt moves to one side or the other. Stay off the belt when adjusting
the tracking.
1. Start the treadmill at minimum speed and grade.
2. Increase speed to six (6) mph, and make the following adjustment:
2.1. If the belt moves to the right, turn the right adjustment bolt 1/4-turn clockwise.
2.2. If the belt moves to the left, turn the left adjustment bolt 1/4-turn clockwise.
3. After making an initial adjustment, run the treadmill for five (5) minutes and observe how the
belt tracks. If the belt continues to move away from the center, adjust the appropriate side until
properly centered.
Replacing the Walk Belt
Perform this procedure whenever the walk belt is still too loose after adjusting the tension or when the
belt is worn or frayed.
SECTION 1: MAINTENANCE
DO NOT USE ALL YOUR WEIGHT TO RESIST THE BELT MOVEMENT. TOO MUCH
RESISTANCE APPLIED TOO LONG (MORE THAN TWO SECONDS) MAY SHUT DOWN
THE SYSTEM. (VARIOUS ERROR MESSAGES WILL APPEAR IF THIS OCCURS. CYCLE
POWER TO RESUME NORMAL OPERATION.)
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DO NOT CUT THE BELT—DOING SO WILL CAUSE THE REAR ROLLER TO FALL AND SNAP
THE ALIGNMENT PINS ON THE END CAP.
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