Replacing The Drive Motor Brushes - Precor Energy Series Service Manual

1. Set the treadmill circuit breaker in the "OFF" position and unplug the treadmill's line cord from
the AC outlet.
2. Remove the hood.
3. Remove the speed sensor mounting bracket to the treadmill drive motor. See Diagram 6.4.
Move the speed sensor and bracket as far from the drive motor as possible.
4. Disconnect the red and black drive motor wires from the incline connectors.
5. Remove the drive belt from the drive motor pulley.
6. Remove the four bolts that fasten the drive motor to its mounting base. Remove the drive
motor from the treadmill.
7. Set the drive motor in its mounting position. Replace and hand tighten the drive motor
mounting screws removed in step 6. Set the drive belt in place on the drive motor pulley.
8. Tension the drive belt and mount the drive motor per Procedure 4.2, steps 3-5.
9. Connect the black and red drive motor wires to the mating black and red connectors on the
incline connectors.
10. Set the speed sensor and chopper wheel in position on the drive motor and fasten with the
screws removed.
11. Re-install the hood.
12. Check treadmill operation.

Replacing the Drive Motor Brushes

1. Set the treadmill circuit breaker in the "OFF" position and unplug the treadmill's line cord
from the AC outlet.
1. Remove the hood.
2. Use a flat blade screw driver to remove the screws that retain the drive motor brush cover.
3. Remove the brush from the brush holder.
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