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Thread: Special wrench

  1. #1
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    Default Special wrench

    We need a special wrench. The pickup in my wife's UBass keeps coming loose, and we don't have a tool reach inside to tighten it properly. Does anyone know where to find such an animal?
    "Those who bring sunshine and laughter to the lives of others cannot keep it from themselves".

    Music washes from the soul, the dust of everyday living.

  2. #2
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    Quote Originally Posted by Ukecaster View Post
    Are you referring to a loose endpin jack, where the cord plugs in?
    If it is the end pin jack, I bought this not long ago, a little awkward, but you get the hang of it, it works.

    https://www.musiciansfriend.com/acce...RoCwJIQAvD_BwE




    This is Michael Kohan in Los Angeles, Beverly Grove near the Beverly Center
    9 tenor cutaway ukes, 4 acoustic bass ukes, 12 solid body bass ukes, 14 mini electric bass guitars (Total: 39)

    • Donate to The Ukulele Kids Club, they provide ukuleles to children in hospital music therapy programs. www.theukc.org
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    Last edited by kohanmike; 07-27-2020 at 08:17 PM.

  3. #3
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    Thanks John, Mike, one of these could no doubt be the fix we need! I'd love to be the one to invent a jack that doesn't come loose by itself....
    "Those who bring sunshine and laughter to the lives of others cannot keep it from themselves".

    Music washes from the soul, the dust of everyday living.

  4. #4
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    Quote Originally Posted by Nickie View Post
    Thanks John, Mike, one of these could no doubt be the fix we need! I'd love to be the one to invent a jack that doesn't come loose by itself....
    I wonder if all that's needed is a proper size lock washer. I'm going to take the nut to a hardware store and see if they have something that fits.

  5. #5
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    I have a friend who has had lots of jacks come loose. I watched him one day and realized he was in the habit of (unconsciously) giving the cable a slight twist every time he inserted or removed it. No wonder the jacks slowly unscrewed themselves. Might be worth checking to see if you've inadvertently developed the same habit!

    And at any rate - I find that a tiny drop of loctite is effective in keeping them from loosening over time.

  6. #6
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    Quote Originally Posted by kohanmike View Post
    If it is the end pin jack, I bought this not long ago, a little awkward, but you get the hang of it, it works.

    https://www.musiciansfriend.com/acce...RoCwJIQAvD_BwE




    This is Michael Kohan in Los Angeles, Beverly Grove near the Beverly Center
    9 tenor cutaway ukes, 4 acoustic bass ukes, 12 solid body bass ukes, 14 mini electric bass guitars (Total: 39)

    • Donate to The Ukulele Kids Club, they provide ukuleles to children in hospital music therapy programs. www.theukc.org
    • Member The CC Strummers: YouTube: www.youtube.com/user/CCStrummers/video, Facebook: www.facebook.com/TheCCStrummers
    That's a lot better than using pliers and slipping. : )
    Too many ukes, but I can't stop buying!
    https://www.catskillukulelegroup.com/

  7. #7
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    Quote Originally Posted by dwizum View Post
    I have a friend who has had lots of jacks come loose. I watched him one day and realized he was in the habit of (unconsciously) giving the cable a slight twist every time he inserted or removed it. No wonder the jacks slowly unscrewed themselves. Might be worth checking to see if you've inadvertently developed the same habit!

    And at any rate - I find that a tiny drop of loctite is effective in keeping them from loosening over time.
    No, she does not twist the cable. I will suggest the locktite, though, if all else fails.
    Mike, I thought about the lock washer idea, but I think it might be too thick....but it's worth a looksee.
    "Those who bring sunshine and laughter to the lives of others cannot keep it from themselves".

    Music washes from the soul, the dust of everyday living.

  8. #8
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    If you're comfortable with totally removing the jack, the nut on the backside can be adjusted to accommodate changes in thickness.

    Some brands of jack are actually sold with a toothed lock washer as part of the standard hardware, usually the super thin stamped kind. I grabbed a stock photo of a switchcraft jack as an example, you can see the toothed washer:

    apiadxw0b__79349.1412190025.jpg

    Usually there is a toothed lock washer and two plain washers - the toothed washer and one plain washer go on the inside, and the other plain washer goes on the outside. Could be worth a try to find another of the toothed washers to lock down the nut on the outside, too. The key is finding one that fits under the strap button trimpiece that threads on after the nut, otherwise it might look a little funny.

  9. #9
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    Thanks dwizum!
    "Those who bring sunshine and laughter to the lives of others cannot keep it from themselves".

    Music washes from the soul, the dust of everyday living.

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