Nautilus T624 Service Manual page 78

4. Remove the connectors for the Motor from the Motor Control Board
after noting their locations.
Note: Be sure to note where all cables attach for re-assembly.
5. Be sure to observe the distance from the Speed Sensor to
the Drive Pulley. This distance affects the effectiveness of the
Speed Sensor, and can easily be shifted accidentally during
replacement procedures.
6. Using a #2 Phillips screwdriver, disconnect the Motor Ground
Wire from the Frame.
7. Using a 6mm hex wrench, loosen the indicated screws on the
Motor Mount.
8. Using a 13mm Open Ended Wrench, rotate the Belt Tensioner
Screw enough to loosen the Drive Belt.
Note: to assist with reassembly, be sure to record the number of
threads exposed before loosening.
Motor Connectors
78
Motor Control
Board (MCB)
Drive Belt
Motor Ground
Belt Tensioner Screw
Wire
Drive Pulley
Speed
Sensor
Motor
Mount