TRACKMASTER Preventive Maintenance
February 1, 2004 TMX425 Series Owner’s Manual 7-3
You may need to flip or replace the deck, depending on its condition (see “Running Belt
Replacement” on page 8-1). If the deck is rough or grooved, it may be necessary to rewax
it or flip it (see “Flipping the Running Board” and “Rewaxing the Running Board” on
page 7-5). If the deck is grooved, flip it. If the deck is rough, rewax it.
Running Belt Adjustment
This procedure requires the following tool:
• 1/4-in. Allen wrench
CAUTION Because this adjustment is not covered under your warranty, it is important that you
review these instructions thoroughly before proceeding.
The TRACKMASTER
®
patented MasterTrack
®
Belt Tracking System significantly
reduces the need to adjust the belt on your TRACKMASTER
®
treadmill. However, when
you operate your treadmill for the first time, you may need to adjust the tracking of the
belt to conform to your floor. You may also need to adjust the tracking if you move the
machine to another location. (See Appendix B.)
Your running belt should remain centered, although a slight amount of movement to the
left or right is normal during use. Do not allow the running belt to travel all the way to
either side.
To adjust the belt tracking, do the following:
1. Turn the treadmill’s power switch to ON.
CAUTION Do not stand on the running belt when starting the treadmill. You could fall, causing serious
injury.
2. Increase the speed to 3 mph.
3. Observe the left side of the running belt as it travels over the rear roller. If the belt runs
to the right side of the roller, turn the right bolt one-quarter turn clockwise, and turn the
left bolt one-eighth turn counterclockwise.
Note: When tightening one side of the belt, always loosen the opposite side one-half as
much. This procedure provides finer control, with a smaller impact on belt tension.
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