Star Trac TR 4500 Treadmill User Manual


 
Drive Motor Replacement
** CAUTION **
Always turn the
power switch to
the off position.
Unplug the
treadmill power
cord from the
power outlet.
Tools:
Running Belt Drive Motor
Philips-head screwdriver
Bungee cord, approx. 24 inches
Needle nose pliers
5/16-in socket and torque socket wrench to measure 110 in/lb.
1/8-in. Allen torque wrench to measure 75 in./lb.
Plastic hammer
Punch
Straight edge, 24 inch
Belt Tension Gauge, to 90 lbs. (optional)
Procedure: Lift motor shroud
The drive motor is located below the plastic shroud at the front of the treadmill. To remove
the shroud at access the motor, proceed as follows:
1. Remove the Philips-head screw at the center of the front edge of the shroud.
2. Lift up the front of the shroud, lifting from both sides to separate the Velcro strips.
3. Lift the shroud up the vertical rails as far as it can go, then suspend it using a bungee
cord looped over the gooseneck rail and hooked up under the upper edge of the
shroud.
The drive motor is now accessible for replacement.
Disconnecting Motor Wiring
1. Follow the green ground wire from the motor to the grounding point in the frame
(marked with the ground symbol), then remove the screw that hold the wire terminal to
the frame.
2. Cut the two wire ties that hold together the remaining wiring from the motor.
3. Using needle nose pliers, pull apart the black plug-in connector of the red and black
wires. Do not pull on the wires.
4. Follow the gray sensor cable to the connector marked J# on the left end of the circuit
board, and pull the cable connector upwards to disconnect it from the board.
5.1