Drive Motor Replacement; Procedure - Precor Precision 400 Series Service Manual

Drive Motor Replacement

This procedure provides instruction to replace the Drive Motor.
IMPORTANT: The drive motor and flywheel are balanced as a matched pair. Since
the flywheel is balanced to a specific motor, flywheels should not be removed from
one and installed on a different motor. If the drive motor is replaced, the drive motor
and flywheel should be replaced as a unit.

Procedure

Review entire procedure before starting.
Removal
1. Switch the power "OFF" and unplut the power cord.
2. Remove the hood cover.
3. Remove the speed sensor and chopper wheel from the drive motor. Retain part(s)
and/or fastener(s) for installation.
4. Disconnect the red and black drive motor wires from the inline connectors.
5. Remove the drive belt from the drive motor pulley. Retain part(s) and/or fastener(s)
for installation.
6. Loosen and remove the four bolts that fasten the drive motor to the mounting base.
Remove the drive motor from the treadmill. 1 in (2.54 cm)
Installation
1. Set the drive motor in the mounting position. Replace and hand tighten the four drive
motor mounting bolts.
2. Place the drive belt on the drive motor and drive roller pulleys. Tension the drive belt
and fully tighten bolts to specification, see
page 48.
3. Connect the black and red drive motor wires to the mating black and red connectors
on the inline connectors.
4. Set the speed sensor and chopper wheel in position on the drive motor and fasten
with the removed screws.
1
5. Plug in the power cord and switch the power "ON".
1
Device power cord connector or electrical cable male connector that is inserted into an
electrical receptacle "outlet" (also called the plug-in).
Contact Precor Customer Support at support@precor.com or 800.786.8404 with
any questions.
6 Replacement Procedures
."Drive Belt Tension Adjustment" on
Drive Motor Replacement
Page 65