Install Motor - Nautilus Be Strong Commerical T912 Service Manual

SECTION 5: TROUBLESHOOTING MECHANICAL PROBLEMS
Other nut hidden
below housing
2.3 Use a 13-millimeter open-end or socket wrench to remove the four (4) bolts securing the
motor to the headframe, and pull the motor off of the headframe.
NOTE: Use care when removing motor, it is heavy and if dropped may cause damage to the
machine.
See Figure 13 for T912 motor.
See Figure 14 for T914 and T916 motor.
NOTE: Machines possibly have one of two motor versions, (with or without a conduit
box,similar to figure 14).
2.4 Remove the four (4) washers and rubber. Note the arrangement of the isolator mounts.
2.5 Loosen the two (2) set screws fastening the flywheel/drive pulley to the motor shaft, and then
remove the flywheel/drive pulley.
3.0

Install Motor

3.1 Install the new flywheel on the new motor shaft. Do not tighten the set screws at this time.
3.2 Inspect the rubber isolators for wear. If they are bad, replace them.
3.3 Slide the replacement motor onto the headframe.
3.4 Install the rubber isolators and washers.
3.6 Install the bolts and tighten. Important: Tighten the bolts until the lock washers flatten, then
turn the bolts 1/2 turn further. Do not over-tighten the bolts.
FOR ONLY T912 UNITS: The unit has oblong cut mounting holes. The bolts MUST BE
CENTERED in those holes. If the bolts are too far forward or backward, this will cause issues
with the Tension wheel hitting the frame.
76
Nuts
Figure 13: Model T912
Nut
Figure 14: Models T914 and T916
Nuts
Nuts