Preventive Maintenance TRACKMASTER
7-4 TMX425 Series Owner’s Manual February 1, 2004
Check the belt after 2 minutes, with the treadmill running at approximately 7 mph. If the
belt does not correct itself, continue with slight turns until the belt is in the center of the
rear roller. If the belt runs toward the left, use the left adjustment.
Note: Uneven floors accelerate belt misalignment. This situation may require either (1)
larger and more frequent adjustments to prevent belt damage, or (2) the installation of a
rubber treadmill pad, which is available at your local fitness store.
Belt Tension Adjustment
The running belt may stretch and loosen with regular use. This looseness is noticeable
when the belt tends to hesitate or stick. If the belt is loose and slipping, tighten both
adjustment bolts equally (clockwise) in small increments until the slipping stops.
(See Appendix B.)
Exterior Care
The TGIC-Polyester powder-coat finish on your TRACKMASTER® treadmill is an
extremely durable finish and requires minimal care. Do not allow perspiration to build up
on your treadmill. Wipe the unit daily.
Elevation Screw Lubrication
This procedure requires the following tools:
• Molybdenum-based grease (Mobil #530304 or equivalent)
• Clean, lint-free cloth
• Small paint brush
Clean and lubricate the treadmill elevation screw once every year. In high-use
environments, clean and lubricate it once every 6 months.
1. Raise the treadmill to its maximum elevation.
2. Turn the main power switch to the OFF position, and unplug the treadmill from its
outlet.
3. Using a lint-free cloth, remove the old lubricant and accumulated dust from the
elevation screw.
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