Precor 9.31 Manual page 47

16. If the belt drifts to the right, slowly turn the right hand mounting bolt clockwise until the
drifting stops. If the belt drifts to the left, slowly turn the left hand mounting bolt clockwise
until the drifting stops. Only a very small adjustment should be required, 1/8 to 1/4 turn.
17. Increase the treadmill speed to 4 m.p.h., if the belt drifts away from center, touch up the
tracking as described in step 18.
18. If the belt drifts to the right, slowly turn the left hand mounting bolt counter-clockwise until
the drifting stops. If the belt drifts to the left, slowly turn the right hand mounting bolt counter-
clockwise until the drifting stops. Only a very small adjustment should be required, 1/8 to 1/4
turn.
19. Increase the treadmill speed to 8 m.p.h., if the belt drifts away from center, track it as
described in step 16.
20. Increase the treadmill speed to maximum, if the belt drifts away from center, track it as
described in step 18.
21. Set the treadmill at a comfortable running speed and run on the treadmill for a couple of
minutes and note the running belt tracking. If required track it as described in step 16.
Replace the end caps and motor cover removed in step 3.
9.31, 9.33, 9.35 Treadmill
Page 47