Here's how to disassemble and assemble the Minn Kota Ultrex control board, crucial for maintaining or repairing your Minn Kota Ultrex.
Disassembly Steps:
- Position the motor lower unit with the foot pedal 'toe down'.
- Use a #1 Phillips screwdriver to remove the screws from the sensors at the heel and adjacent to the steering cables in the foot pedal base.
- Slide the sensors into the openings in the foot pedal base after removing the screws.
- Remove the E-ring securing the speed selector (details omitted for brevity) and pull out the (details omitted for brevity) and spring.
- Loosen the nut on the potentiometer and slide it off its mounting location on the pedal.
- Use a wire cutter to remove the zip tie securing the wires from the momentary switch.
- Remove the momentary button, reed switch, and reed switch clip from the foot pedal upper.
- Unroute the wiring for the potentiometer and reed switch.
- Turn the foot pedal assembly over to expose the bottom plate and remove all screws.
- Cut the cable tie securing the power switch wires, end of travel sensor wires, and indicator light board ribbon cable.
- Disconnect the power leads, motor leads, accessory plug, steering sensor connector, steering leads, and lower unit bonding wire.
- Pull out the reed switch, potentiometer, and end of travel sensors.
- Remove the old control board from the foot pedal assembly.
Assembly Steps:
- Guide the potentiometer and reed switch through the upper opening in the foot pedal base.
- Slide the control board under the autopilot sensor arm with magnet and place it in the foot pedal base assembly.
- Place the sensors in their respective openings in the foot pedal base.
- Secure the pulley cover and steer left/end of travel sensor.
- Connect the wires to the new control board according to the wiring diagram.
- Position the indicator light assembly and secure it in place.
- Install the power leads and motor leads as indicated by the wiring diagram.
- Secure the bottom plate to the foot pedal base.
- Install the sensors and reed switch back into place.
- Secure the momentary button, reed switch clip, and potentiometer.
- Reassemble the foot pedal assembly, ensuring all components are properly connected. For additional guidance, consult the detailed instructions in your Minn Kota Ultrex control board instruction manual.