Cybex 425T Treadmill Service Manual
Service
Page 4-18
9. Lower treadmill.
A. Carefully lower the rear of the treadmill until the back feet are resting on the ground.
10. Test the unit for proper operation.
A. Connect the treadmill to the power outlet.
B. The treadmill will lower itself. Wait until the treadmill resets its elevation to 0%.
C. Operate the unit at all levels to verify proper operation.
Drive Motor
Tools Required
• Phillips head screwdriver
• 1/2” Open end wrench
• 1/2” Socket wrench with a 6” extension
! WARNING: Disconnect the power cord before beginning this procedure. Keep wet
items away from inside parts of the treadmill. Electrical shock could occur even if the
treadmill is unplugged. Do not touch components on the lower board. A charge can
remain after unplugging the power cord.
1. Disconnect the external power source.
A. Unplug the treadmill from the power outlet.
2. Remove the motor cover.
A. Using a Phillips head screwdriver, loosen two screws on each motor cover side (left
and right). See Figure 3.
B. Using a Phillips head screwdriver, loosen two screws on the front motor cover. See
Figure 3.
C. Lift the motor cover up and off the treadmill. The screws will stay in place.
3. Release the drive belt tension.
A. Release drive belt tension by placing a Phillips head screwdriver into the square hole
located in the bottom of the idler pulley assembly. See Figure 10.
B. While pushing down on the Phillips head screwdriver carefully slide the drive belt off
of the drive motor pulley. Slowly release tension on the idler pulley assembly.
4. Access drive motor.
! WARNING: Motor plate is heavy and will drop down when motor plate bolts are
removed.
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