Speed Sensor Adjustment - CYBEX Treadmill Owner's Service Manual

5. Check the motor voltage.
A. Plug the treadmill back in and turn it to the on (I) position.
B. Without standing on the belt, press the Quick Start key.
C. Press the
(20 kph). NOTE: Safety Sentry may turn off the treadmill if no activity is detected
within 20 seconds. Therefore, do this test quickly or press a key as needed or turn
off Safety Sentry.
D. Using a voltage meter, pierce the sharp end of the meter's red lead into the plastic
coating of the motor's red lead, and the meter's black lead into the plastic coating of the
motor's black lead.
E. Note the reading on the voltage meter then carefully remove both leads. Call Cybex
Customer Service to find out if the reading is within an acceptable range.
6. Attach the motor cover.
A. Lower the motor cover center into position. See Figure 2.
B. Using a Phillips head screwdriver, tighten the three screws on each side.

Speed Sensor Adjustment

Tools Required
• Phillips head screwdriver
! WARNING: Disconnect the power cord before beginning this procedure.
1. Disconnect the external power source.
A. Turn the main power switch on the left side to the off (O) position.
B. Unplug the treadmill from the power outlet.
2. Remove the motor cover.
A. Using a Phillips head screwdriver, loosen three screws on each motor cover side (left
and right).
B. Lift the motor cover center up and off the treadmill. NOTE: The screws will stay
in place.
3. Visually inspect the target disk on the flywheel.
A. Turn the flywheel slowly and look for dirt, scratches or other damage on the target
disk. NOTE: If the target disk or sensor is dusty use a soft dry cloth to wipe off the dust.
4. Adjust the speed sensor gap (if needed).
A. Using a Phillips head screwdriver, loosen the screw that attaches the speed sensor to
the motor saddle. See Figure 3 (speed sensor screw).
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Cybex Pro Treadmill Owner's & Service Manual
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key to adjust the speed of the treadmill up to its highest speed 12.4 mph