Treadbelt Tension - True Fitness PS75 Owner's Manual

Treadbelt Tension

CHAPTER FIVE: CARE AND MAINTENANCE
Turn both rear roller adjustment bolts counter-clockwise until
treadbelt just begins slipping when walking on it, then turn both
rear roller adjustment bolts clockwise in equal quarter turn
increments until treadbelt stops slipping.
Note: Be sure to run on treadbelt to ensure that the treadbelt
does not slip while under load.
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PS 75 Treadmill Owner's Guide
Treadbelt
Tension