Black and Decker 3-Cup Rice Cooker Button Mechanism Repair

はじめに

The device contains an internal mechanism used to lock the hotplate into place while cooking. In this guide we will show how to identify whether the mechanism is broken, and how to fix it if it is. Fixing the mechanism involves moving and bending one of the internal parts so it locks into place properly.

必要な工具と部品

手順1 Remove the Lid and Bowl

Black and Decker 3-Cup Rice Cooker Button Mechanism Repair, Remove the Lid and Bowl: 手順 1、 1の画像 1

Make sure the device is unplugged before beginning disassembly!
Lift the lid and bowl from the top of the device.

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手順2 Turn the Device Upside-Down

Black and Decker 3-Cup Rice Cooker Button Mechanism Repair, Turn the Device Upside-Down: 手順 2、 1の画像 1

Turn the device upside-down, so that the four legs of the device point upwards.

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手順3 Remove the Rubber Cushions

Black and Decker 3-Cup Rice Cooker Button Mechanism Repair, Remove the Rubber Cushions: 手順 3、 2の画像 1

Black and Decker 3-Cup Rice Cooker Button Mechanism Repair, Remove the Rubber Cushions: 手順 3、 2の画像 2

Each of the four legs has a rubber cushion on its bottom. For each cushion, insert a plastic opening tool between the plastic leg and rubber cushion, and pry off the rubber cushion.

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手順4 Remove the Spanning Screw

Black and Decker 3-Cup Rice Cooker Button Mechanism Repair, Remove the Spanning Screw: 手順 4、 1の画像 1

Using a spanner screwdriver, remove the one 10mm long 7mm diameter spanner screw from the side of the brass panel.

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手順5 Remove the Leg Screws

Black and Decker 3-Cup Rice Cooker Button Mechanism Repair, Remove the Leg Screws: 手順 5、 1の画像 1

Using a Phillips screwdriver, remove the 10mm long 7mm diameter Phillips-head screws from the inside of all four legs.
The smaller leg at the bottom is now loose and not attached to the device. Set it aside.

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手順6 Remove the Brass Plate

Black and Decker 3-Cup Rice Cooker Button Mechanism Repair, Remove the Brass Plate: 手順 6、 1の画像 1

Lift the brass plate off the device and set it aside.

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手順7 Color the Wires

Black and Decker 3-Cup Rice Cooker Button Mechanism Repair, Color the Wires: 手順 7、 2の画像 1

Black and Decker 3-Cup Rice Cooker Button Mechanism Repair, Color the Wires: 手順 7、 2の画像 2

Color coordinating wire groups make it easier to identify the wire groups during reassembly.
Inside the device, there are three junctions with wires joined by Phillips-head screws. The first is connected to two wires, and the other two are connected to three wires each.
Unscrew the screw at the junction near the opposite side of the device from the front panel.
Label each of the two wires at this junction with a single color of tape.

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手順8 Label the Second Wire Junction

Black and Decker 3-Cup Rice Cooker Button Mechanism Repair, Label the Second Wire Junction: 手順 8、 2の画像 1

Black and Decker 3-Cup Rice Cooker Button Mechanism Repair, Label the Second Wire Junction: 手順 8、 2の画像 2

Unscrew the screw at the junction just clockwise from the button panel.
Label the three wires of this junction with tape of a second color.

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手順9 Label the Third Wire Junction

Black and Decker 3-Cup Rice Cooker Button Mechanism Repair, Label the Third Wire Junction: 手順 9、 2の画像 1

Black and Decker 3-Cup Rice Cooker Button Mechanism Repair, Label the Third Wire Junction: 手順 9、 2の画像 2

Unscrew the screw from the wire junction just behind the front panel.
Label the three wires at this junction with a third color of tape.

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手順10 Check the Locking Beam

Black and Decker 3-Cup Rice Cooker Button Mechanism Repair, Check the Locking Beam: 手順 10、 1の画像 1

On the inside of the device, there is a silver-colored beam leading to the center with a U-shaped brass beam poking through it.
The U-shaped brass beam should be bent outwards so that it cannot fit through the hole in the silver-colored beam.

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手順11 Position the Brass Beam

Black and Decker 3-Cup Rice Cooker Button Mechanism Repair, Position the Brass Beam: 手順 11、 2の画像 1

Black and Decker 3-Cup Rice Cooker Button Mechanism Repair, Position the Brass Beam: 手順 11、 2の画像 2

If the brass beam is not poking through the silver-colored beam, you will need to position it so that it is.
Position the brass beam below the hole in the silver-colored beam and push the silver-colored beam into it, so that the brass beam pokes through.

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手順12 Bend the Brass Beam

Black and Decker 3-Cup Rice Cooker Button Mechanism Repair, Bend the Brass Beam: 手順 12、 1の画像 1

If the brass beam can't fit through the hole in the silver-colored beam, use pliers to bend the brass beam outwards so that it does not fit through the hole in the silver-colored beam.

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