Replacing The Drive Motor; Remove The Motor - Nautilus Be Strong Commerical T912 Service Manual

SECTION 5: TROUBLESHOOTING MECHANICAL PROBLEMS

Replacing the Drive Motor

DANGEROUS VOLTAGES ARE PRESENT UNDER THE TREADMILL HOOD.
EXERCISE CAUTION WHEN PERFORMING SERVICE TO THE ELECTRICAL
COMPONENTS UNDER THE HOOD.
1.0 Remove the Treadmill Hood
1.1 Turn the treadmill circuit breaker off, and unplug
the treadmill power cord.
1.2 Remove the Top motor cover, Front trim cover,
Right side lower cover, and Kick plate.
2.0

Remove the Motor

2.1 FOR ONLY T914/T916 UNITS:
Disconnect the P5 wire (white or yellow), P6 (black
or yellow), P7 (white), P8 (black), and P9 (red).
Note: Some machines might have black / white
or yellow/yellow wires at locations P5 and P6.
Reconnect wire at location where it was removed.
See Figure 11.
FOR ONLY T912 UNITS:
Remove the Black and Red wires from points A1
and A2 on the Motor controller board (see Figure
11B). Remove the Ground wire from the machine.
Note: Some machines have the Ground wire
attached to the frame and some have it attached
to the "Line input side" of the Line filter on the
Configuration plate. Make sure the machine is
unplugged from the wall, before removing the wire
from this location!
2.2 Loosen the mounting bolt attaching the tension
wheel to the bracket and remove the tension wheel
assembly, than remove the drive belt from the
motor flywheel pulley. See Figure 12.
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Nautilus® Commercial T9 Series Treadmill Service Manual
Figure 11
Figure 11B
Figure 12
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