How To Move A Treadmill Belt To The Right. To move the belt to the right turn the bolt/screw counter clockwise until the belt runs parallel to the side rails. Try to adjust it properly according to your preference.
This will move the belt to the left. If you need to align the belt to the left, “loosen” the left side bolt (turn the bolt counter clockwise in 1/4 turns only). 10 years bod and 2 years parts
Now, use a wrench to lose the belt in case the alignment of your belt is off.
Locate the adjustment hole on the side which you wish to move the belt away from, (i.e if the belt needs to move to the right then find the left adjustment aperture). After adjusting the left idler roller screw, plug the machine back into its electrical outlet, start the walking belt, and note if it is now centered. The simple rule of thumb for aligning the belt is this: Try to adjust it properly according to your preference.