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Introduzione

Follow this guide to remove and replace a faulty power cord in a Mk Diamond MK660 Wet Saw.

The replacement part is 153419.

Removing the motor before the power cord is not necessary, but makes the process easier.

  1. Mk Diamond Wet Saws MK660 2010 Power Cord Replacement, Blade Cover: passo 1, immagine 1 di 3 Mk Diamond Wet Saws MK660 2010 Power Cord Replacement, Blade Cover: passo 1, immagine 2 di 3 Mk Diamond Wet Saws MK660 2010 Power Cord Replacement, Blade Cover: passo 1, immagine 3 di 3
    • Before you begin, make sure to power off and unplug the device from the outlet.

    • If the clear water pump hose is connected, remove it now.

    • Loosen the plastic knob holding the saw's cutting head in place.

    • Lower the cutting head while keeping it steady.

  2. Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 2, immagine 1 di 2 Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 2, immagine 2 di 2
    • Unscrew the knob.

    • Remove it from the cutting head.

  3. Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 3, immagine 1 di 2 Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 3, immagine 2 di 2
    • Loosen the plastic knob holding the blade cover in place.

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    • Loosen the wing nut on the blade cover pivot shaft.

    • Remove the wing nut and accompanying washer.

  5. Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 5, immagine 1 di 2 Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 5, immagine 2 di 2
    • Pivot the blade cover up and pull it off the shaft.

  6. Mk Diamond Wet Saws MK660 2010 Power Cord Replacement, Blade: passo 6, immagine 1 di 3 Mk Diamond Wet Saws MK660 2010 Power Cord Replacement, Blade: passo 6, immagine 2 di 3 Mk Diamond Wet Saws MK660 2010 Power Cord Replacement, Blade: passo 6, immagine 3 di 3
    • Insert the provided spanner wrench into one of the four tightening holes on the inner flange behind the blade.

    • Use the the provided nut wrench to loosen the hex nut while providing counterforce with the spanner wrench.

  7. Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 7, immagine 1 di 2 Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 7, immagine 2 di 2
    • Remove the hex nut.

    • Remove the outer flange.

  8. Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 8, immagine 1 di 2 Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 8, immagine 2 di 2
    • Remove the cutting blade.

    • The blade can be sharp, so handle with care.

  9. Mk Diamond Wet Saws MK660 2010 Power Cord Replacement, Cutting Head: passo 9, immagine 1 di 3 Mk Diamond Wet Saws MK660 2010 Power Cord Replacement, Cutting Head: passo 9, immagine 2 di 3 Mk Diamond Wet Saws MK660 2010 Power Cord Replacement, Cutting Head: passo 9, immagine 3 di 3
    • Pull the entire cutting head straight off the shaft holding it in place.

  10. Mk Diamond Wet Saws MK660 2010 Power Cord Replacement, Bottom Cover: passo 10, immagine 1 di 1
    • Remove the eight Phillips #2 screws on the underside of the cutting head.

  11. Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 11, immagine 1 di 2 Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 11, immagine 2 di 2
    • Remove the bottom cover.

  12. Mk Diamond Wet Saws MK660 2010 Power Cord Replacement, Motor: passo 12, immagine 1 di 2 Mk Diamond Wet Saws MK660 2010 Power Cord Replacement, Motor: passo 12, immagine 2 di 2
    • Remove the Phillips #2 screw holding the ground wires to the chassis.

    • Loosen the wires from each other.

    • The motor's ground wire is green with a yellow stripe.

    • Reassembly tip: there are three ground wires attached here that will need to be reinstalled upon reassembly.

  13. Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 13, immagine 1 di 2 Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 13, immagine 2 di 2
    • Remove the black wire's plug from the 4-pin rectifier.

    • These plugs have two wires each, so removing one plug removes two wires.

  14. Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 14, immagine 1 di 2 Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 14, immagine 2 di 2
    • Remove the red/orange wire combo plug from the 4-pin rectifier.

    • Use needle-nose pliers if you can't reach this plug with your fingers.

  15. Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 15, immagine 1 di 3 Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 15, immagine 2 di 3 Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 15, immagine 3 di 3
    • Be very careful with this connection, as even minimal bending can break the metal conductor in half.

    • Use a pick to slightly pry up on the crimped metal arms holding the red and orange wires together.

    • Repeat for both sides to loosen the connector.

  16. Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 16, immagine 1 di 2 Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 16, immagine 2 di 2
    • Be very careful with this connection, as even minimal bending can break the metal conductor in half.

    • Remove the red wire from the orange wire.

  17. Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 17, immagine 1 di 3 Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 17, immagine 2 di 3 Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 17, immagine 3 di 3
    • Use two flathead screwdrivers to carefully pry the inner flange off the motor shaft.

    • You may need to use the two screwdrivers to "walk" the flange off—it's press-fit onto the shaft. Try prying on various positions of the flange and rotating it as you work.

    • Remove the inner flange.

  18. Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 18, immagine 1 di 1
    • Remove the four Phillips #2 screws holding the motor in place.

  19. Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 19, immagine 1 di 3 Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 19, immagine 2 di 3 Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 19, immagine 3 di 3
    • Grab the motor with both hands and tilt it slightly upward.

    • While keeping the motor tilted up, pull back and up to clear the electrical components behind the motor.

    • Remove the motor.

    • You may need to bend the thermal overload switch slightly in order to lift the motor out.

  20. Mk Diamond Wet Saws MK660 2010 Power Cord Replacement, Power Cord: passo 20, immagine 1 di 2 Mk Diamond Wet Saws MK660 2010 Power Cord Replacement, Power Cord: passo 20, immagine 2 di 2
    • Remove the electrical tape from the twist-on wire connector connecting the three white wires.

  21. Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 21, immagine 1 di 2 Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 21, immagine 2 di 2
    • Remove the twist-on wire connector.

  22. Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 22, immagine 1 di 1
    • Twist the three white wires apart from each other.

  23. Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 23, immagine 1 di 2 Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 23, immagine 2 di 2
    • Remove the black wire from the switch assembly.

    • Use needle-nose pliers if you can't reach this plug with your fingers.

  24. Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 24, immagine 1 di 3 Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 24, immagine 2 di 3 Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 24, immagine 3 di 3
    • Use wire cutters to cut the angled plug off the end of the black wire so it can slide out of the power cord opening.

  25. Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 25, immagine 1 di 2 Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 25, immagine 2 di 2
    • Use an adjustable wrench to loosen the hex nut closest to the wall plug side of the power cord.

  26. Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 26, immagine 1 di 2 Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 26, immagine 2 di 2
    • Pull back the flex guard from the cutting head chassis.

  27. Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 27, immagine 1 di 3 Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 27, immagine 2 di 3 Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 27, immagine 3 di 3
    • Make sure all power cord wires are disconnected before pulling the power cord out of the cutting head.

    • Grab the outer sheath and slowly pull the power cord out of the cutting head.

    • Remove the power cord.

  28. Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 28, immagine 1 di 3 Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 28, immagine 2 di 3 Mk Diamond Wet Saws MK660 2010 Power Cord Replacement: passo 28, immagine 3 di 3
    • If your replacement power cord does not have quick disconnect plugs on the end of its wires, strip about half an inch of insulation off of each wire to install new crimp connectors.

    • Reassembly tip: This needs to be done after the cord is fed back into the cutting head, otherwise it won't fit.

Conclusione

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

Carsten Frauenheim

Membro da: 10/03/2020

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