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Picture of How To Take Apart A Microwave
Taking apart microwaves can be dangerous, on this instructable I will show you how to take apart a microwave safely and explain the parts and what you can do with them...

I found this microwave (pictured) lying around in the streets, I took it home with me and took it apart, meanwhile, I decided to make an instructable so you can get an idea of how to take apart a microwave and what its parts can be used for.

Step 1: What equipment you will need...

You will need tools to take apart a microwave, your bare hands won't work. :-)

  • A set of screw drivers with different shapes and sizes.
  • Wire cutters
  • Pliers
  • Alligator clip
  • Hammer (you don't need this unless something needs to be banged apart)

You might need other types of tools depending on the type of microwave you are going to take apart.
 
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dflounders1 year ago
Daft gits! Discharging of large capacitors should be Dr be done with jump leads, screwdrivers, etc, that will cause a zero ohm resistive short circuit. Use something like a 2 watt - 2Kohm resistor across the cap terminals. You only need a few hundred milliamp shock to put your heart into cardiac arrest. Yes, caps usually discharge quick, assuming they are designed properly and the unit is not faulty, but neither case is guaranteed. Safety first or lose your tool.
In my opinion, it would be sheer stupidity to fire up an unshielded magnetron. Not only would it cause cancer, but if left on for a few seconds, and your body would look like a tv dinner that was just cooked. If you want to fire one up, use sheet metal(steel) as shielding, and be warned that electronics would be fryed and probably your hand to if you stuck it in the why of the microwave beam.

It doesnt cause cancer as it has no ionizing radiation. For any future people.

AaronT91 month ago
Be extremely careful when you want to take the magnetron apart for the diode and 2 ferro magnets, because the ceramic isolators on each end (cylindrical pieces about an inch wide) tend to be made up of Barium Oxide, which is very toxic.
LandauMartin3 months ago

Seriously chaps, DO NOT TAKE APART the magnetron UNLESS you know what you are doing! that pink stuff inside it is beryllium oxide. If you scratch and breath in that stuff it will give an incurable disease called "berylliosis"

The HV cap discharging method is highly undesirable because it might give a very surprising spark and likely ruin or shorten the life of the cap, so a high wattage 1k or higher resistor is best for discharging it. ( the cap has a bleed resistor inside it, but i would still discharge it first)

i turned mine into a house fan :3

McGee 20214 months ago

The only thing I found in my microwave was an enormous wasp nest. :(

I did it, but I had an accident. I've accidentally got shocked by the capacitor. It was TERRIBLE! I didn't feel my whole hand for about an hour. I'm very lucky to be alive ?

Please read the quote as follows.

[Quote begins]

http://www.geappliances.com/search/fast/infobase/10001153.htm

Microwave - Normal Operational Characteristics for a
Microwave

It is normal to experience any of the following with a
microwave oven:

[...]

Dull thumping
sound or hum while cooking at power levels other than high.

When using a power
level other than HIGH or 10 the magnetron tube cycles on and off to obtain the
lower power. This cycling of the magnetron tube causes this dull thumping, pulsating,
or humming noise. When combination cooking in microwave/convection models, the
cycling of the convection element and fan will alternate continuously with the
hum of the magnetron and the fan.

[...]

[Quote ends]

What do you mean by power cycle, high and low, so that low
power cycles can cause noise while high power cycles will not.

What I know is that high power or low power cycles depend
upon how long in time period the magnetron is working and how long in time
period it stops working until the next period of work to be interrupted again
by the period of non-work; and the joined period of work and of non-work is set
by the human operator using the power knob or button.

My problem is the following:

Power is set at maximum – no interruption of work for magnetron: for the first 2 minutes
more or less of magnetron operation it emits a jackhammer noise which stops at
the end of the 2 minutes period, and the magnetron continues to operate
'quietly' until it stops at the completion of the adjusted operation period or
I turn it off.

This microwave oven is not digital but mechanical in its
control, it had been in service for over 7 years. It started blowing up the
power fuse, and upon changing the power capacitor the normal function was
restored and it works as before except for the noise which was not present
before.

Please suggest some solutions; I notice that it seems the
magnetron now needs to get heated up before the noise will go away.

Please ask your engineers to investigate the mechanics and physics
of heat and noise and vibration in the operation of perhaps an overly aged
magnetron.

Thanks in advance for your reply by email.

My email: mdejess@gmail.com

bobbyrae5 years ago
It is true that you could be killed or injured from the high voltage, but it is also true that if the oven is working correctly at the time, the capacitor will discharge in about a second after the magnetron shuts off and so there is no worry in that case. I firmly believe that if that ground wire (which should normally be connected to one side of the capacitor) is present AND the unit is plugged into the wall, this will also drain the capacitor pretty quickly. So a lot of these warnings are just CYA from the lawyers. It should also be noted that while the voltage in the magnetron can 2.5kV to 4KV, the voltage from the charged capacitor has nothing to do with that. It will just discharge.
Andy-K bobbyrae7 months ago
I know this is an old comment. But please anyone reading this do not take this advice. The capacitor contained in microwaves can store electricity for a long period of time after power has been removed. Even in a microwave that still works. Always always discharge caps that are found even if your pretty sure they are safe.
is this all microwaves or just some because I'm the type of person how likes staying alive!!

Just a word about microwave shielding...you don't need lead. actually, microwave radiation is blocked by ordinary glass. This is assuming that you are not generating a spark accidentally or deliberately. Those high voltage sparks and constant arcs also generate Shorter wavelengths such as UV radiation as well as X-rays, Gamma, ect...that, with enough exposure can give you a burn that will put your worse sunburn to shame. In this case you do need lead shielding. Be Careful!

Glass is actually transparent to microwaves (unless it is molten). What shields the microwaves from escaping the oven is the metal screen whose holes are too small for microwaves to fit through.

Arcs generated from microwave excitement is unlikely to generate X-rays (which requires a high voltage discharge in a vacuum) or gamma rays (which requires certain kinds of radioactive decay). Short wavelength UV can be easily blocked by ordinary glass though.

do you have to discharge the capacitor? if so can I just use insulated screw drivers?!?!
Unless you want to kill yourself then of course you need to discharge the capacitor! That's like asking if you need to turn off an appliance before messing with its electronics.
You should always attempt to discharge any capacitor you find before messing with it. And yes, insulated screw driver would work.
dillonxti10 months ago
if you take the wires from the motor and put them on somebody and turn the motor fast with pliers or something you will shock them

cool!!!

be careful using that transformer!

check out my similar instructable,how to take apart a laptop

please comment if seen

ne171pro5 years ago
Magnetron Hardly Any Use? I'm not trying be rude but your PDF here showed me how to take apart my microwave so I could get the magnetron. (not for its magnets) Anybody out here that can help wire up my magnetron. I'm really not stupid with electricity, I cant for the life of me get it to do what I'm seeing freaking 14 year olds do. I know its not broken components (have 3 taken apart microwaves.) Is it the ground wire you touch it with? Or is just some other wire not in the circuit. Man I'm so frustrated.
Chill!!!! Firstly why the hell do you want to power up the magnitron? these things are WACKO dangerous! can cause cancer, etc... Maby its best ytou leave that component alone... unless you are firing it up in a propaly shielded and controlled inviroment
 Did you know cellphones are microwaves?  

Did you know with phased array antenna, Tesla coil, microwave, oscilloscope and RF generator you can power all your house's with limitless wireless free energy, an so much more?  Even cure aids and cancer.

yes i did know that

Totaly Correct,
But there is a huge difference between hand/cell/mobile phones and magnetron (lol)

But, I'm not too certain on all the cure for AIDS thing...
:)
You know I don't think a magnetron can cause cancer.
Actually, exposure to high-power electromagnetic radiation can disrupt cell processes and DNA which may lead to cancer.
Well, According to wikipedia: "Some but not all studies suggest that long-term exposure may have a carcinogenic effect"
As well as produce cataracts.
eek...
not very nice at all!
(do you know how I remove those hyperlinks?)
hbell ne171pro4 years ago
Jesus christ dont power up the magnetron! the electromagnetic radiation could easily kill you, as could the transformer. If you cant wire up the transformer, how would you build an enclosure for the microwaves? Im not trying to offend you, but it sounds far too dangerous.
not if you know what you're doing
static ne171pro4 years ago


A bit of additional info on the magnetron  This article gives detail on removing the magnets http://www.repairfaq.org/REPAIR/F_micfaq6.html#MICFAQ_021  Magnetrons contain materials than can be a health hazard if they are reduced to a size where they can enter the lungs, I don't have clue to the actual risk factor, just visit http://en.wikipedia.org/wiki/Magnetron#Health_hazards to decide for yourself.
You could just look at the wiring in the microwave before you start clipping wires.
I highly recommended not to power the magnetron up!

my mom wouldnt let meh take apart our microwave :( hmmph can someone take apart theirs for meh :DDD?!

janika2 years ago
hi I want to use the microwave transformers for a forge heater please tel me how regard janika
agatornz2 years ago
my mate reckons you just take the plugs off the capacitor and take it out and chuck it in the river to short it? before taking it out for the bin? is this a new fishing technique or pointless?>
Vulnic3 years ago
I'm still very concerned about discharging the capacitor. Would it make it any safer to use one of those wrist chords used when building/fiddling around inside a computer to clip onto something metal and ground you?? I mean it's not as if you get another shot at this if it goes wrong.... like they say 'There's not many DUMB electricians left in the world ... they're all dead"
grounding your self is a stupid idea. that means if you touch only one pole of the capacitor your guaranteed to get a shock. (Assuming is charged) But don't worry about the risk of getting shocked I never discharge anything. All I do is wear gloves and try not to use both hands while taking apart high voltage stuff.
369ben6 years ago
Hi, Does anyone know how to take apart the transformer to get the coils from it? Or how to take apart the solenoid next to the fan in the microwave to get the coils? Thanks any info will be helpful:-}
that wasn't a solenoid next to the fan. Thats the fans coil which turns the shaft
Getting coils out of a transformer is tricky, since the iron core is impossible to separate from the coils without damaging them. I would suggest winding your own coils out of enameled magnet wire instead.
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