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Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement

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  1. Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement, Safety precautions: stap 1, afbeelding 1 van 2 Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement, Safety precautions: stap 1, afbeelding 2 van 2
    • Power off the machine at least one hour prior to starting repairs. Ensure the machine is completely cool to the touch.

    • Flip the power switch into the OFF position.

    • Unplug any extension cords from the included power cord.

  2. Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement, Remove the upper shell: stap 2, afbeelding 1 van 2 Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement, Remove the upper shell: stap 2, afbeelding 2 van 2
    • Use a 5/16 inch socket or Phillips screwdriver to remove the eight screws securing the upper shell, four on each side.

  3. Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement: stap 3, afbeelding 1 van 2 Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement: stap 3, afbeelding 2 van 2
    • Lift the upper shell straight up off of the machine to remove it.

  4. Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement, Remove the right-side cover: stap 4, afbeelding 1 van 1
    • Use a 5/16 inch socket or Phillips screwdriver to remove the four bolts securing the right-side cover.

  5. Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement: stap 5, afbeelding 1 van 3 Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement: stap 5, afbeelding 2 van 3 Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement: stap 5, afbeelding 3 van 3
    • Tilt the right-side cover down to access the PCB board.

    • Do not fully remove the right-side cover, it is still attached via the on/off switch.

    • During reassembly, ensure the display window is aligned with the LCD display before you press the cover into place.

  6. Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement: stap 6, afbeelding 1 van 3 Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement: stap 6, afbeelding 2 van 3 Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement: stap 6, afbeelding 3 van 3
    • There are two wires connecting the power switch to the main PCB assembly.

    • Use needle nose pliers to remove the wire with the blue connector.

    • Remove the wire with the clear connector.

    • Remove the right-side cover.

    • During reassembly, install the power switch wires back in their original locations with the blue wire above the clear wire.

  7. Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement, Disconnect the ground wires: stap 7, afbeelding 1 van 1
    • Use a 5/16 inch socket or Phillips screwdriver to remove the screw securing the two green ground wires to the frame.

  8. Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement, Disconnect the fuel line: stap 8, afbeelding 1 van 3 Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement, Disconnect the fuel line: stap 8, afbeelding 2 van 3 Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement, Disconnect the fuel line: stap 8, afbeelding 3 van 3
    • Use a pair of needle nose pliers to release the hose clamp from the fuel line.

    • Slide the hose clamp off of the nipple, about one inch down the fuel line.

  9. Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement: stap 9, afbeelding 1 van 2 Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement: stap 9, afbeelding 2 van 2
    • Pull to disconnect the fuel line from the motor and pump assembly.

  10. Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement: stap 10, afbeelding 1 van 2 Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement: stap 10, afbeelding 2 van 2
    • Use a pair of needle nose pliers to remove the fuel line hose clamp.

  11. Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement, Disconnect the motor and pump assembly: stap 11, afbeelding 1 van 2 Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement, Disconnect the motor and pump assembly: stap 11, afbeelding 2 van 2
    • Use a pair of needle nose pliers to disconnect the wires connecting the motor and pump assembly to the main PCB board:

    • One red cable labeled MOTOR 2 on the main PCB board

    • One orange cable labeled MOTOR 1 on the main PCB board

    • Pull the wires with the needle nose pliers by their connectors and not the wires themselves.

  12. Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement: stap 12, afbeelding 1 van 3 Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement: stap 12, afbeelding 2 van 3 Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement: stap 12, afbeelding 3 van 3
    • Use a pair of flush cutters to cut the cable tie harnessing the wires running from the main PCB assembly.

    • Remove the cable tie.

    • During reassembly, install a new cable tie.

  13. Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement: stap 13, afbeelding 1 van 2 Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement: stap 13, afbeelding 2 van 2
    • Use a pair of flush cutters to cut the cable tie harnessing the orange, red, white, and black wires near the fuel line.

    • During reassembly, install a new cable tie.

  14. Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement: stap 14, afbeelding 1 van 2 Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement: stap 14, afbeelding 2 van 2
    • Use a pair of flush cutters to cut the cable tie harnessing the orange and red wires next to the motor.

    • During reassembly, install a new cable tie.

  15. Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement, Detach the capacitor: stap 15, afbeelding 1 van 1
    • Use a Phillips screwdriver to remove the screw securing the capacitor band clamp.

  16. Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement: stap 16, afbeelding 1 van 3 Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement: stap 16, afbeelding 2 van 3 Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement: stap 16, afbeelding 3 van 3
    • Remove the capacitor from the band clamp.

    • During reassembly, realign the foam padding between the capacitor and the band clamp.

  17. Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement, Remove the motor and pump assembly: stap 17, afbeelding 1 van 3 Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement, Remove the motor and pump assembly: stap 17, afbeelding 2 van 3 Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement, Remove the motor and pump assembly: stap 17, afbeelding 3 van 3
    • Feed the orange and red wires out through the opening in the lower shell.

  18. Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement: stap 18, afbeelding 1 van 1
    • Use a 5/16 inch socket or Phillips screwdriver to remove the four bolts securing the left-side cover.

  19. Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement: stap 19, afbeelding 1 van 3 Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement: stap 19, afbeelding 2 van 3 Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement: stap 19, afbeelding 3 van 3
    • Remove the left-side cover.

  20. Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement: stap 20, afbeelding 1 van 2 Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement: stap 20, afbeelding 2 van 2
    • Use a 5/16 inch socket or Phillips screwdriver to remove the four screws securing the motor mount bracket, two on each side.

  21. Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement: stap 21, afbeelding 1 van 2 Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement: stap 21, afbeelding 2 van 2
    • Lift the motor, pump, and bracket assembly straight up out of the machine.

  22. Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement, Remove the fan: stap 22, afbeelding 1 van 1
    • Use a 3 mm hex key to loosen the set screw securing the fan to the motor shaft.

    • The set screw does not need to be fully removed.

  23. Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement: stap 23, afbeelding 1 van 2 Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement: stap 23, afbeelding 2 van 2
    • Remove the fan.

  24. Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement, Remove the motor mount bracket: stap 24, afbeelding 1 van 1
    • Use a 5/16 inch socket or Phillips screwdriver to remove the two screws securing the motor and pump assembly to the motor mount bracket.

  25. Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement: stap 25, afbeelding 1 van 3 Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement: stap 25, afbeelding 2 van 3 Mi-T-M Heater MH-0190-0M10 Motor and Pump Assembly Replacement: stap 25, afbeelding 3 van 3
    • Remove the motor mount bracket.

    • Only the motor and pump assembly remain.

Conclusie

To reassemble your device, follow these instructions in reverse order.

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Sam Omiotek

Lid sinds: 02/25/19

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