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Deoxit on "pots"?

Discussion in 'Electronic Repair' started by Geoffrey S. Mendelson, Feb 8, 2011.

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  1. On another list we have been discussing using Caig DeOxit on pots (e.g.
    Volume, balance, etc controls).

    Caig has another product called "Fader Lube", which I assume is designed
    for such a use.

    The question I have is has anyone used the regular DeOxit on such controls
    and the results? A web search yielded many hits of people using DeOxit and
    having good results, and even a YouTube videos of it.

    It's hard to tell from the postings, and the videos, how many the people
    posting have done. Some of them are obviously people who have done
    one or two, and others are not. I'm interested in hearing long term
    experience.

    Thanks in advance,

    Geoff.
     
  2. Chuck

    Chuck Guest


    In rare cases, deoxit will cause the slidepots to slightly bind so I
    use Fader Lube on them and deoxit on rotating pots. Chuck
     
  3. N_Cook

    N_Cook Guest

    Why is it everyone else gets corroded or dirty pots and I always get the
    worn ones?
    Then there is the plague of microscopic Alps ones where the grease migrates
    from shaft area to the wiper area and lifts the hair-thin metal from the no
    sign of wear resistive track - 6 on one 2 yearold Korg last week, unusable
    because all with this failing
     
  4. What do you do to repair them? Replace?

    Thanks, Geoff.
     
  5. Thanks, I never thought of that.

    Geoff.
     
  6. Fred

    Fred Guest

    Decades ago, I met an old organ repair technician at a Roland tech
    seminar to become a certified Roland repair station. Most of the rest of
    the participants were much younger than us, so we gravitated together and
    had lunch.

    I was spending a fortune each year buying products like DeOxit to clean
    organ controls, the thousands of metal to metal contacts before
    everything became conductive rubber. Talking about the price of this
    stuff, which would make you think a pharmaceutical company produced it in
    a lab, he said something to me that simply shocked me.

    "Hell, you're wasting your money on all that crap. I've been cleaning
    hifi, PA and organ contacts with WD40, which is very cheap and easy to
    find without going to the most expensive electronic repair company and
    paying their exhorbitant prices. I've been doing it for lots of years
    with no returns or complaints. I think because it leaves a lube residue
    on anything it touches the contacts stayed cleaner because they weren't
    exposed to the moisture in the air."

    We both had to fight the horribly humid coastal swamp gas we live in, he
    in NC and I in SC. So, I had some old organs that were just awful coming
    up so I tried it. I used WD40 ever since with fantastic results. It
    makes a 40 year old, almost worn out expression pedal pot work like new
    with audio as smooth as glass. Some of those pots are nearly unobtanium
    because of their queer shafts and mountings.

    Another nice thing about WD40 is its effects upon dragging or frozen pot
    bearings, of course. One drop in a pot bearing and you wonder why noone
    did it instead of twisting off the knob!

    The new WD40 isn't even flammable any more. I'm still using it, but now
    that I'm retired not so often...(c;]

    Try it on something really nasty and see for yourselves. Crap on this
    $20-40 a can nonsense. The cleaners are more expensive than a new pot!

    ......available at fine hardware emporiums, worldwide.....
    .....and WalMart!

    If it'll make you feel better, buy it from Ace Hdwe and pay double.
     
  7. Fred

    Fred Guest

    My condolences on the Korg. Here in the USA they fled and there are no
    parts so we have to go through their US parts distributor,
    tubesandmore.com, which is a fine company but the parts are in Japan and
    they only order when there's a pile, not one at a time. tubesandmore.com,
    AKA Antique Radio Supply, Tempe, AZ, is a great company, but getting Korg
    parts is measured in Months, not weeks or days.

    I service Korg keyboards since the 1980s. Nice stuff, no support.
     
  8. While not the same application, I've had good luck also using WD-40, or
    at least WD-40-like substances on pots.

    Someone gave me a 3/8" variable-speed drill that had a flaky speed
    control. Since it was a freebie, I thought what the hell, sprayed the
    control with some stuff I had for lube jobs (something called "EZ-Lube"
    that I picked up several years ago, similar to WD-40 but a little better).

    That drill works fine still, and is my go-to drill. So no need to use
    that expen$ive cleaning product.


    --
    Comment on quaint Usenet customs, from Usenet:

    To me, the *plonk...* reminds me of the old man at the public hearing
    who stands to make his point, then removes his hearing aid as a sign
    that he is not going to hear any rebuttals.
     
  9. Fred

    Fred Guest

    Bought a couple of cases of CRC at a hamfest when EPA banned it for CFCs...

    Most of the cans leaked propellant before I could get to use it....useless.

    Some of them leaked product with the propellant, not sure how. Good thing
    the cans were in the box. CRC is far more expensive than WD40 which works
    great. Does the cheap price cause you to resist using it?
     
  10. Fred

    Fred Guest

    (Dave Platt) wrote in @radagast.org:
    I'll put your mind at ease. It's simply not true. Expression pedal pots
    in old organs are run CONSTANTLY up and down by the organists foot the
    whole time it's being played, especially in spinet organs with one octave
    of pedals for only the left foot. They pump those volume level pedals
    even fast to get Leslie-like effects. The pots are the sealed, heavy use
    types in "some" organs. Others, they're just pots with specially made-
    for-that-model shaft lenghts that lock to a plate to keep them spinning
    around pumped too hard. They all go through hell if the organist is
    halfway decent.

    I sprayed WD 40 into those sealed pots by removing the shell 10, 20, 30
    years ago! They're still pumping them! Many of them, I never heard from
    again and only checked the pots when I was fixing other problems with the
    organs having their keys beaten off!

    Not a single one of those pots was all gummed up with WD40 in all those
    years. It's bunk.
     
  11. Smitty Two

    Smitty Two Guest

    I think it's just the opposite; stickiness developing from using *too
    little* WD to flush out the dirt that was there to begin with. For
    instance, a common use of the stuff if for locks, and there's a whole
    militia of detractors who oppose that quite strongly. Yet in 40 years of
    using it on all manner of locks, I've never had one go sticky on me
    later. I spray copious amounts in, flushing everything out, then operate
    the lock a dozen times, then spray in gobs more. Rinse and repeat.
    Cleans and lubricates. More is better. No matter how much you use, only
    one layer will remain after the volatiles are gone, so make sure that
    layer is squeaky clean to start with.
     
  12. Phil Allison

    Phil Allison Guest

    "Fred"
    ** The propellant gas changed to CO2 decades ago - but the mist and liquid
    certainly are flammable if exposed to a flame or sufficient heat. The can is
    labelled " Flammable Gas 2".

    It is a very bad idea to spray copious amounts of WD40 onto an electrical
    switchboards as sometimes fuse and switch contacts get very hot and will
    ignite the liquid.

    Other than that warning, the stuff is indefensible in the service workshop.
    Practically all the griping about it comes from folk who have never tried at
    all it or used it in very inappropriate ways.

    Anecdote:
    ------------

    A customer told me about an unfortunate incident he had with a can of
    "contact cleaner". In order to self treat some intermittent fault in his
    tube amp head - he introduced the spray via the input and speaker jack
    holes. He pretty much used up the whole damn can. Then he switched on and
    the inside of the amp instantly exploded into fames.

    Like many such evaporative cleaners - the solvent was alcohol, the vapour of
    which can ignites with a single spark.



    ..... Phil
     
  13. Phil Allison

    Phil Allison Guest

    "Phil Allison"


    ** I'll kill that damn spell checker...


    .... Phil
     
  14. Phil Allison

    Phil Allison Guest

    "Nutcase Kook "
    ** Try working on some newer gear ....
    ** Are these the nice looking, 9mm square, green backed ones with metal
    shafts and very smooth feel ?

    http://cdn1.iofferphoto.com/img/item/166/579/195/jewN.jpg




    ..... Phil
     
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