Life Fitness 93T - Manual (Page 130)

3-15
Insulating Pad
Insulating
Should Washer(4)
Flat Washer(4)
Sensor Wheel
and Screws
Poly-V Pulley
Flywheel
Assembly
Drive Motor
Motor
Plate
Lock Nut(4)
Set Screw(2)
Insulating Pad
Set Screws
Square Key
Square Key
Poly-V Motor
Pulley
Straight
Edge
Front Roller
Pulley
Life Fitness Model 97Te, 95Te, 97Ti, 95Ti and 93T Arctic Silver Treadmills
How To... Replace the Drive Motor - Continued
Special Service Tools Required: NONE
7. With the Motor out of the
unit, remove the Flywheel
and Poly-V Pulley, which
are held on by Set
Screws. Keep these
components and all
hardware together for the
new Motor.
8. Remove the OPTO
Sensor.
9. Install the new Motor in
reverse order making
sure to install the
Flywheel with Square Key
back on the new Drive
Motor shaft. Then apply
LOCTITE
® 242 on the
Set Screw threads and tighten Flywheel position.
10. Install the Poly-V Pulley onto the
Motor Shaft. Then install Set Screws
without LOCTITE
®242 until after the
Pulley has been aligned.
11. Install the new Motor, reconnect the
Drive Belt, and reconnect all
connectors to the Motor Controller.
POLY-V PULLEY ALIGNMENT
1. Check that the outer face of the Poly-
V Pulley is in alignment with the outer
face of the Front Roller Pulley. Use a
straight edge to achieve alignment.
To adjust move the Poly-V Pulley in
or out on the shaft, and then tighten
one of the two Set Screws. Remove
the other Set Screw and apply
LOCTITE
® 242 on its threads and
secure back into the Pulley. Remove
the other Set Screw without
LOCTITE
® 242 and repeat LOCTITE
application.
2. Before releasing the Idler Tensioning Arm, make sure that the Drive Belt is positioned on the far left Poly-V
Pulley groves.
3. Reinstall the Motor Cover, Front Cover, and inside Upright Covers.
4. Refer to Diagnostics Section to Log Maintenance Repair of the Drive Motor.
OPTO Sensor