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

The replacement part is 154292.

  1. Mk Diamond Wet Saws MK660 2010 Motor Replacement, Blade Cover: adım 1, 3 resimden 1. Mk Diamond Wet Saws MK660 2010 Motor Replacement, Blade Cover: adım 1, 3 resimden 2. Mk Diamond Wet Saws MK660 2010 Motor Replacement, Blade Cover: adım 1, 3 resimden 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 Motor Replacement: adım 2, 2 resimden 1. Mk Diamond Wet Saws MK660 2010 Motor Replacement: adım 2, 2 resimden 2.
    • Unscrew the knob.

    • Remove it from the cutting head.

  3. Mk Diamond Wet Saws MK660 2010 Motor Replacement: adım 3, 2 resimden 1. Mk Diamond Wet Saws MK660 2010 Motor Replacement: adım 3, 2 resimden 2.
    • Loosen the plastic knob holding the blade cover in place.

  4. Mk Diamond Wet Saws MK660 2010 Motor Replacement: adım 4, 3 resimden 1. Mk Diamond Wet Saws MK660 2010 Motor Replacement: adım 4, 3 resimden 2. Mk Diamond Wet Saws MK660 2010 Motor Replacement: adım 4, 3 resimden 3.
    • Loosen the wing nut on the blade cover pivot shaft.

    • Remove the wing nut and accompanying washer.

  5. Mk Diamond Wet Saws MK660 2010 Motor Replacement: adım 5, 2 resimden 1. Mk Diamond Wet Saws MK660 2010 Motor Replacement: adım 5, 2 resimden 2.
    • Pivot the blade cover up and pull it off the shaft.

  6. Mk Diamond Wet Saws MK660 2010 Motor Replacement, Blade: adım 6, 3 resimden 1. Mk Diamond Wet Saws MK660 2010 Motor Replacement, Blade: adım 6, 3 resimden 2. Mk Diamond Wet Saws MK660 2010 Motor Replacement, Blade: adım 6, 3 resimden 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 Motor Replacement: adım 7, 2 resimden 1. Mk Diamond Wet Saws MK660 2010 Motor Replacement: adım 7, 2 resimden 2.
    • Remove the hex nut.

    • Remove the outer flange.

  8. Mk Diamond Wet Saws MK660 2010 Motor Replacement: adım 8, 2 resimden 1. Mk Diamond Wet Saws MK660 2010 Motor Replacement: adım 8, 2 resimden 2.
    • Remove the cutting blade.

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

  9. Mk Diamond Wet Saws MK660 2010 Motor Replacement, Cutting Head: adım 9, 3 resimden 1. Mk Diamond Wet Saws MK660 2010 Motor Replacement, Cutting Head: adım 9, 3 resimden 2. Mk Diamond Wet Saws MK660 2010 Motor Replacement, Cutting Head: adım 9, 3 resimden 3.
    • Pull the entire cutting head straight off the shaft holding it in place.

  10. Mk Diamond Wet Saws MK660 2010 Motor Replacement, Bottom Cover: adım 10, 1 resimden 1.
    • Remove the eight Phillips #2 screws on the underside of the cutting head.

  11. Mk Diamond Wet Saws MK660 2010 Motor Replacement: adım 11, 2 resimden 1. Mk Diamond Wet Saws MK660 2010 Motor Replacement: adım 11, 2 resimden 2.
    • Remove the bottom cover.

  12. Mk Diamond Wet Saws MK660 2010 Motor Replacement, Motor: adım 12, 2 resimden 1. Mk Diamond Wet Saws MK660 2010 Motor Replacement, Motor: adım 12, 2 resimden 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 Motor Replacement: adım 13, 2 resimden 1. Mk Diamond Wet Saws MK660 2010 Motor Replacement: adım 13, 2 resimden 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 Motor Replacement: adım 14, 2 resimden 1. Mk Diamond Wet Saws MK660 2010 Motor Replacement: adım 14, 2 resimden 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 Motor Replacement: adım 15, 3 resimden 1. Mk Diamond Wet Saws MK660 2010 Motor Replacement: adım 15, 3 resimden 2. Mk Diamond Wet Saws MK660 2010 Motor Replacement: adım 15, 3 resimden 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 Motor Replacement: adım 16, 2 resimden 1. Mk Diamond Wet Saws MK660 2010 Motor Replacement: adım 16, 2 resimden 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 Motor Replacement: adım 17, 3 resimden 1. Mk Diamond Wet Saws MK660 2010 Motor Replacement: adım 17, 3 resimden 2. Mk Diamond Wet Saws MK660 2010 Motor Replacement: adım 17, 3 resimden 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 Motor Replacement: adım 18, 1 resimden 1.
    • Remove the four Phillips #2 screws holding the motor in place.

  19. Mk Diamond Wet Saws MK660 2010 Motor Replacement: adım 19, 3 resimden 1. Mk Diamond Wet Saws MK660 2010 Motor Replacement: adım 19, 3 resimden 2. Mk Diamond Wet Saws MK660 2010 Motor Replacement: adım 19, 3 resimden 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.

Sonuç

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

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