Teardown: Bread Machine

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Submitted by autarchex on Sun, 04/23/2006 - 00:00.

Created
04/23/06

Cause of Death
Undetermined
Source/Cost
Friend/free
Parts Recovered
-Shaded-pole fan motor
-Small induction motor w/ belt reducer
-Heating element
-4 digit LED display
-Supercapacitor
-Small multi-tap transformer
-Toroidal inductor
-12V relay
-quality capacitors
-piezo speaker element
-AC Line cord

My roommate gave me this dead bread machine to take apart. It would power on but probably failed some sort of internal diagnostic; it would not start a bread-making cycle. It had an awful lot of rust and burned-in crumbs in the cooking compartment.

Here is the control board. This is the backside of the user interface area, where I found an easily removed LED display. Several parts from this board went into my reclamation bin. Most notably, the capacitor in the corner. That's a supercap! I can't remember what capacity it was; probably .22 Farad. It was likely used for memory backup power to remember stored settings

The bread machine stripped of its outer shell. Note stir motor and fan motor.

The underside of the bread machine hides a belt reducer that supplies slow rotation and high torque to the mixer. I took this entire assembly out; I'm sure I can use it for something. I took a picture of it running, that would be the blurry one.

The fan motor could not be removed in one piece. Its components were held together by some seized bolts, but they were no match for a squirt of Hoppe's gun oil. This is a shaded-pole AC induction motor.

I also removed the heating element. I never found a good use for it and it was a large item not easily stored on my junk shelves, so I eventually ended up junking it.