Replacing The Drive Motor - Precor TRM 885.v2 Service Manual

Replacing the Drive Motor

1. Set the treadmills on/off switch in the off position and unplug the treadmill's line cord from the
AC outlet.
2. Remove the hood.
Note: Due to the location of the connectors t may be easier to perform this service if you lift up
the MC. Refer to Replacing the Motor Controller (MC) Module.
3. Disconnect the drive motor connector from the MOTOR connector on the MC.
4. Walk the drive belt off the pulley on the drive motor.
5. Remove the four bolts and plastic isolation spacers that fasten the drive motor to the frame.
6. Set the replacement drive motor in its mounting position and fasten the drive motor with four
mounting bolts and spacers removed in step 5.
7. Connect the bleed resistor (Red Wire) between the motor and the frame.
8. Walk the drive belt on the drive roller pulley and on the drive motor pulley.
9. Adjust the drive belt tension and complete the motor installation, got ot Adjusting Drive Belt
Tension.
10. Install the MC (if necessary) and all covers.
11. Check treadmill operation, go to
Figure 25: Drive motor mounting.
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Checking Treadmill Operation.
Page 79