Keys Fitness Treadmill Service Manual page 9

4. The walking belt does not run in the
center of roller
5. The walking belt slips or hesitates during use.
6. Knocking noise from the front of treadmill.
7. Knocking noise from back of treadmill
8. Squeaking noise while treadmill is being
walked on
9. Scraping noise
10.Ticking sound from front of treadmill
11. Vibrating feelings
D. If walking belt still slows down during use, please call
our toll-free HELPLINE.
A. Adjust rear roller.
A. Adjust rear roller.
A. Check fan
1. Is fan hitting optical encoder?
2. Is fan hitting flywheel?
B. Disconnect v-belt to determine if noise is from motor
or front roller.
A. Check rear roller.
B. Check elevation wheels on fold up models.
A. Make sure belt is not rubbing motor hood or side extru-
sions.
B. Check side extrusion.
C. Check deck bolts.
D. Make sure motor tension spring is not loose.
A. Make sure belt is not rubbing motor hood or side
extrusion.
B. Check pulley on front roller.
C. Check motor for bearing problems.
A. Check fan on motor.
B. Check torsion springs on uprights.
C. Check bearing on front roller.
A. Check front roller.
B. Check alignment of flywheel to front roller & poly V-
belt.
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