Nautilus Be Strong Commerical T912, Service Manual

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Nautilus® Commercial T9 Series Treadmill Service Manual
Replacing the Grade Actuator Motor
1. Remove the Treadmill Hood
1.1 Place two (2) 5-inch (13 cm) blocks securely under the treadmill headframe and lower the
treadmill onto the blocks to un-weight from the grade mechanism.
1.2 Turn the treadmill circuit breaker off, and unplug the treadmill power cord.
1.3 Remove the two (2) screws on the treadmill hood.
1.4 Lift off the hood.
2. Remove the Grade Actuator Motor
2.1 Unplug the Actuator cables from the VSD board. See Figure 1 for T912 and Figure 2 for
T914/916.
2.2 Remove the the grade actuator ground wire from the frame. (T914/916 only).
2.3 Remove both E-Ring retainers from the right and left Elevation nuts.
SECTION 5: TROUBLESHOOTING MECHANICAL PROBLEMS
DANGEROUS VOLTAGES ARE PRESENT UNDER THE TREADMILL HOOD.
EXERCISE CAUTION WHEN PERFORMING SERVICE TO THE ELECTRICAL
COMPONENTS UNDER THE HOOD.
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BEFORE REMOVING THE GRADE ACTUATOR MOTOR, PLACE
TWO 5-INCH BLOCKS UNDER THE FRONT OF THE TREADMILL TO
PREVENT IT FROM DROPPING WHEN YOU REMOVE THE MOTOR.
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Figure 1: T912 Cables to unplug.
Figure 2: T914/T916 Cables to unplug.