Precor 9.23 Service Manual

9.23, 9.27 Treadmill
20081-118 Page 37
Procedure 6.4 - Replacing the Speed Sensor
1. Set the treadmill’s on/off switch in the “off” position. Remove the AC power cord from the AC
outlet.
2. Remove the treadmill’s hood.
3. Disconnect the JK2 connector from the lower PCA, refer to Diagram 5.2.
4. Cut and remove the cable ties retaining the speed sensor wires.
5. Remove the speed sensor mounting screws and remove the speed sensor from the
treadmill.
Diagram 6.3 - Speed Sensor
6. Set the replacement speed sensor at its mounting position and fasten it with the hardware
removed in step 5.
7. Dress the speed sensor wires in place and fasten the wires with cable ties. It is important
that all of the cable ties are replace to ensure that the speed sensor wires do not get caught
by any of the moving parts.
8. Insert the speed sensor cable into the JK2 connector on the lower PCA.
9. Replace the treadmill’s hood
10. Test the treadmill per Procedure 3.
Speed
Sensor
Mounting
Screws
Cable Tie

Precor 9.23 Specifications

General

Incline Range	0% to 15%
Decline	Not available
Motor	3.0 HP
Speed Range	0.5 to 12 mph
Heart Rate Monitoring	Touch sensor
Weight Capacity	350 lbs
Dimensions	54" H
Display	LCD display with feedback