Troubleshooting - Noise Issues - Livestrong LS9.9T Service Manual

6.6 TrOUBLeSHOOTiNG - NOiSe iSSUeS

1) SYMPTOM:
a. Thumping noise twice per rotation on new machine.
b. Rubbing / grinding noise.
c. High pitched "bell-like" sound from under the motor cover.
d. Banging or clunking sound.
e. Slapping / thunking / squeaking sound with each footstep.
f. Rubbing sound underneath the treadmill.
g. Squeaking noise when raising / lowering the deck into storage positions.
h. Squeaking / grinding noise when using elevation.
2) SOLUTION:
a. This noise is from the roller or running belt.
- If this is a new unit, some noise is normal as the running belt forms around the rollers.
- Check that the belt is centered and tensioned correctly (see Section 3.2).
- Check the rollers for excess wax build up. Remove and clean the rollers if needed.
- Replace the rollers or running belt as needed.
b. This sound is likely a moving component.
- Remove the motor cover and check the drive belt for alignment and make sure it is not slipping or is frayed / cut in any way. Replace the
drive belt if needed.
- Make sure the optic disk on the motor is not rubbing the speed sensor.
- Turn the motor by hand to see if motor brushes or bearings are rubbing. Replace the motor if needed.
- Check the front and rear rollers, replace if needed.
c. This sound is likely caused by the optic disk.
- Check that the optic disk is tight on the motor and not rubbing the speed sensor.
d. The sound is likely due to the unit not being level.
- Check that all levelers are touching the ground.
- Move the treadmill to another flat surface.
e. This sound is from the running deck / belt.
- Check that the running deck is tightly attached to the frame.
- Check the deck shocks for detioration or crumbling. Replace if needed.
- Check to see if the air shock is making this noise, lubricate or replace if needed.
f. This sound is likely due to the air shock.
- Lubricate or replace the air shock as needed.
g. This sound is likely from the incline motor.
- Check that the incline motor connection points include Teflon washers.
- Lubricate the incline motor worm screw and connection points with grease.
- Replace the incline motor.
CHaPTer 6: Troubleshooting
NOiSe iSSUeS
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