Vibration Troubleshooting - Nautilus Commercial TreadClimber TC916 Service Manual

mechanIcal ServIce

12.0 - vIBratIon trouBleShootInG

parts affected:
• Rear Step - P/N SM17733
• Step Plate Weldment - P/N SM17591
• Flywheel - P/N SM41059
• Snap Ring - P/N SM17692
• Rear Roller Assembly - P/N SM17501
tools needed:
• Phillips screwdriver
• 5/32 Allen bit
to correct vibration in treadles:
12-1: Remove the rear step and step plate weldment
exposing the rear roller.
check flywheel and motor mounting:
12-2: Check set screws in flywheel and motor mounting
hardware for tightness (see Figure 1).
12-3: Turn machine on and adjust speed to 1 MPH
(1.6 km/h).
12-4: Visually inspect the flywheel, if any wobble is
noticeable inspect the drive belt on the poly-v
pulley and the flywheel for correct alignment. If
misalignment is visible move the flywheel and
poly-v pulley on the motor into correct alignment
position.
NOTE: If the flywheel is replaced and the problem
persists the motor may be at fault.
12-5: Try tightening the mounting hardware on the motor
a little more before replacing the motor.

figure 1: flywheel set screws
figure 2: front Roller Snap Ring location