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Motor and Pump Assembly Removal

Motor and Pump Assembly Removal

Sam Omiotek

Sam Omiotek e un altro collaboratore

Ultimo aggiornamento il March 23, 2021

30 minuti - 1 ora
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Solo Prerequisita
Questa guida è destinata a essere usata solo come prerequisito per altre guide. Da sola è incompleta.

Introduzione

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Follow this guide to remove the motor and pump assembly from a Mi-T-M heater model MH-0190-0M10.

This is a prerequisite-only guide! This guide is part of another procedure and is not meant to be used alone.

  1. Motor and Pump Assembly Removal, Safety precautions: passo 1, immagine 1 di 2 Motor and Pump Assembly Removal, Safety precautions: passo 1, immagine 2 di 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. Motor and Pump Assembly Removal, Remove the upper shell: passo 2, immagine 1 di 2 Motor and Pump Assembly Removal, Remove the upper shell: passo 2, immagine 2 di 2
    • Use a 5/16 inch socket or Phillips screwdriver to remove the eight screws securing the upper shell, four on each side.

  3. Motor and Pump Assembly Removal: passo 3, immagine 1 di 2 Motor and Pump Assembly Removal: passo 3, immagine 2 di 2
    • Lift the upper shell straight up off of the machine to remove it.

  4. Motor and Pump Assembly Removal, Remove the right-side cover: passo 4, immagine 1 di 1
    • Use a 5/16 inch socket or Phillips screwdriver to remove the four bolts securing the right-side cover.

  5. Motor and Pump Assembly Removal: passo 5, immagine 1 di 3 Motor and Pump Assembly Removal: passo 5, immagine 2 di 3 Motor and Pump Assembly Removal: passo 5, immagine 3 di 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. Motor and Pump Assembly Removal: passo 6, immagine 1 di 3 Motor and Pump Assembly Removal: passo 6, immagine 2 di 3 Motor and Pump Assembly Removal: passo 6, immagine 3 di 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. Motor and Pump Assembly Removal, Disconnect the ground wires: passo 7, immagine 1 di 1
    • Use a 5/16 inch socket or Phillips screwdriver to remove the screw securing the two green ground wires to the frame.

  8. Motor and Pump Assembly Removal, Disconnect the fuel line: passo 8, immagine 1 di 3 Motor and Pump Assembly Removal, Disconnect the fuel line: passo 8, immagine 2 di 3 Motor and Pump Assembly Removal, Disconnect the fuel line: passo 8, immagine 3 di 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. Motor and Pump Assembly Removal: passo 9, immagine 1 di 2 Motor and Pump Assembly Removal: passo 9, immagine 2 di 2
    • Pull to disconnect the fuel line from the motor and pump assembly.

  10. Motor and Pump Assembly Removal: passo 10, immagine 1 di 2 Motor and Pump Assembly Removal: passo 10, immagine 2 di 2
    • Use a pair of needle nose pliers to remove the fuel line hose clamp.

  11. Motor and Pump Assembly Removal, Disconnect the motor and pump assembly: passo 11, immagine 1 di 2 Motor and Pump Assembly Removal, Disconnect the motor and pump assembly: passo 11, immagine 2 di 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. Motor and Pump Assembly Removal: passo 12, immagine 1 di 3 Motor and Pump Assembly Removal: passo 12, immagine 2 di 3 Motor and Pump Assembly Removal: passo 12, immagine 3 di 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. Motor and Pump Assembly Removal: passo 13, immagine 1 di 2 Motor and Pump Assembly Removal: passo 13, immagine 2 di 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. Motor and Pump Assembly Removal: passo 14, immagine 1 di 2 Motor and Pump Assembly Removal: passo 14, immagine 2 di 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. Motor and Pump Assembly Removal, Detach the capacitor: passo 15, immagine 1 di 1
    • Use a Phillips screwdriver to remove the screw securing the capacitor band clamp.

  16. Motor and Pump Assembly Removal: passo 16, immagine 1 di 3 Motor and Pump Assembly Removal: passo 16, immagine 2 di 3 Motor and Pump Assembly Removal: passo 16, immagine 3 di 3
    • Remove the capacitor from the band clamp.

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

  17. Motor and Pump Assembly Removal, Remove the motor and pump assembly: passo 17, immagine 1 di 3 Motor and Pump Assembly Removal, Remove the motor and pump assembly: passo 17, immagine 2 di 3 Motor and Pump Assembly Removal, Remove the motor and pump assembly: passo 17, immagine 3 di 3
    • Feed the orange and red wires out through the opening in the lower shell.

  18. Motor and Pump Assembly Removal: passo 18, immagine 1 di 1
    • Use a 5/16 inch socket or Phillips screwdriver to remove the four bolts securing the left-side cover.

  19. Motor and Pump Assembly Removal: passo 19, immagine 1 di 3 Motor and Pump Assembly Removal: passo 19, immagine 2 di 3 Motor and Pump Assembly Removal: passo 19, immagine 3 di 3
    • Remove the left-side cover.

  20. Motor and Pump Assembly Removal: passo 20, immagine 1 di 2 Motor and Pump Assembly Removal: passo 20, immagine 2 di 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. Motor and Pump Assembly Removal: passo 21, immagine 1 di 2 Motor and Pump Assembly Removal: passo 21, immagine 2 di 2
    • Lift the motor, pump, and bracket assembly straight up out of the machine.

Conclusione

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

Sam Omiotek

Membro da: 02/25/19

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