9.31, 9.33, 9.35 Treadmill
Page 38
Procedure 6.4 - Replacing the Speed Sensor
1. Set the treadmill circuit breaker in the “off” position. Remove the A.C. line cord from the A.C.
outlet.
2. Remove the treadmill’s motor cover.
3. Disconnect the plug from the J3 connector on the lower PCA.
4. Rotate the flywheel so that the speed sensor is between flywheel lobes.
5. Remove the screw that fastens the speed sensor to the treadmill drive motor. See Diagram
6.4.
Diagram 6.4 - Speed Sensor Mounting.
6. Set the replacement speed sensor in its mounting position and fasten it with the screw
removed in step 4. Torque the screw to 25 inch pounds.
7. Connect the speed sensor connector to the J3 connector of the lower PCA.
8. Slowly rotate the flywheel to ensure that the flywheel lobes do not contact the speed sensor.
9. Set the treadmill circuit breaker in the “on” position and check treadmill operation per
Procedure 3.
10. Replace the treadmill’s motor cover.
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