(Topic ID: 13422)

Where Does Solenoid Dust Come From?


By Crashdance22

7 years ago



Topic Stats

  • 15 posts
  • 11 Pinsiders participating
  • Latest reply 6 years ago by thepinballworks
  • Topic is favorited by 1 Pinsider

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    #1 7 years ago

    If solenoids are mainly nothing but coils, metal plungers, nylon sleeves, and rubber stops, where does the solenoid dust come from? I heard it is carbon dust, but what carbon parts are there in a solenoid?

    #2 7 years ago

    The dust does not come from the solenoids, but it is attracted to the solenoids because of the magnetic field.

    #3 7 years ago

    There are alot of theories of where it comes from.

    Balls
    Black rubber
    Ball guides
    Coil stops
    etcetc

    Probably a combination of all of the above plus more...

    #4 7 years ago

    I have a lot of black rubber in my MM + red flippers . My other games mostly have different coloured rubber and Cliffy's coloured posts (minimal black rubber anywhere). I've noticed MM is by far the dirtiest game I own. I have to clean it all the time and the flippers are always black. I'm swapping it all out on the next shop.

    Metal on metal contact will also cause fine dust particles from the ball as well as from lane guides and such. The dust is not only attracted to soleniods, but also to bulbs and (as a result) underneath inserts.

    #5 7 years ago

    Someone should go all CSI on this mystery and figure out who the real culprit is.

    #6 7 years ago

    Wear and tear. Anything moving wears, and no matter how microscopic, it makes dust or dirt. The wear goes somewhere.

    A lot of it is metal. On your later Williams DMD games, blow the flipper dust off of your coin door interface board. It can cause shorts and all kinds of weird problems.

    LTG

    #7 7 years ago
    Quoted from LTG:

    On your later Williams DMD games, blow the flipper dust off of your coin door interface board. It can cause shorts and all kinds of weird problems.

    What do you use to do this, Lloyd?

    #8 7 years ago

    The dust comes from a place far far away.

    #9 7 years ago
    Quoted from gweempose:

    LTG said:

    On your later Williams DMD games, blow the flipper dust off of your coin door interface board. It can cause shorts and all kinds of weird problems.

    What do you use to do this, Lloyd?

    Canned air, air compressor, just huff and puff on it and blow the dust away.

    Doesn't take much but can save you a lot of weird problems.

    LTG

    #10 7 years ago

    The coil dust comes from the metal shaft hitting the end stop.

    It is mildly magnetic and conductive, so rubber or plastic would likely not be the source.

    #11 7 years ago

    Good question Wes.

    Aside from removing every last thing from the playfield and sanding the bottom... is there a good way to clean the underside? I always just seem to smudge it more into the wood.

    #12 7 years ago

    Do you believe in fairies?

    #13 7 years ago
    Quoted from Rascal_H:

    Good question Wes.
    Aside from removing every last thing from the playfield and sanding the bottom... is there a good way to clean the underside? I always just seem to smudge it more into the wood.

    Dry microfiber cloth. If it's not super ground in, the microfiber will get most of it. Do not press hard. Let it lift the dust off. You can add more pressure as it gets cleaner and keep changing to a clean part of the cloth. Don't use wipes or anything with moisture or it will never come clean. A little patch of fine sandpaper between your fingers will get any remaining junk off.

    1 year later
    #14 6 years ago

    Yep, has to be metal shavings. Just look at what a magnet picks up!

    image.jpg

    #15 6 years ago

    Nice picture! I think you are onto something.

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