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Re: Replace Vibroplex contacts?

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  • k4oso
    Steve, I just looked at the Vibroplex page and the 40.50 price is for all the contacts. If all of yours are a wreck (??) and you need them replaced, that
    Message 1 of 9 , Jul 22, 2008
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      Steve,
      I just looked at the Vibroplex page and the 40.50 price is for all the
      contacts. If all of yours are a wreck (??) and you need them replaced,
      that price doesn't seem too bad. However, David's suggestion is a good
      one. Those contacts are pretty thick and should last quite a number of
      years, even with heavy use. Getting the old ones smooth in the event a
      previous owner took a file to them (or other drastic measures). Good
      luck.
      Milt
      k4oso

      --- In cw_bugs@yahoogroups.com, "n6vl" <n6vl@...> wrote:
      >
      > After a few months of all sideswiper sending, my bug has again caught
      > my attention. It is a 1953 Presentation, my favorite bug so far.
      >
      > A friend told me Vibroplex will replace the contacts. I just called
      > Vibroplex and they said it is $40.50 to replace each contact on the
      > contact post, the contact spring, and the sliding dash contact.
      >
      > Is that service worth the money? Or can I do a similar repair on my
      own?
      >
      > 73,
      >
      > Steve N6VL
      >
    • k4oso
      Steve, I have not had experience with Flitz. I do use the contact cleaning strips (from Ebay) and they do a great job. I also installed a capacitor across my
      Message 2 of 9 , Jul 22, 2008
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        Steve,
        I have not had experience with Flitz. I do use the contact cleaning
        strips (from Ebay) and they do a great job. I also installed a
        capacitor across my key contact posts and that has made a nice
        difference in the scratchy sound. I used a .01 microfarad cap from
        Radio Shack, and installed an "O" clip on the ends to keep it in
        place without having to worry about it dropping off during hook-ups.
        Milt
        k4oso--- In cw_bugs@yahoogroups.com, "n6vl" <n6vl@...> wrote:
        >
        > Milt,
        >
        > $40.50 is the total price wo/ shipping. It includes replacing each
        post
        > with a new contact, the contact spring, and a new sliding dash
        contact.
        > I just called Vibroplex again to be sure.
        >
        > The real question for me is whether my post contacts really need
        > replacing or if the fine grit cloth will work as well. I have used
        the
        > grit in the past. I probably depends on the shape of the contact
        > surface. All of my scratchy sounds are ONLY dot related.
        >
        > I have used Flitz metal polish before, but have reservations about
        it.
        > Flitz is supposed to prevent further oxidation. Wouldn't that leave
        a
        > film on it?
        >
        > 73,
        >
        > Steve N6VL
        >
      • David Ring
        If the contacts are ruined, they can almost always be restored. What you need for that is a flat surface to put the fine crocus cloth on. (In my last email, I
        Message 3 of 9 , Jul 22, 2008
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          If the contacts are ruined, they can almost always be restored. What
          you need for that is a flat surface to put the fine crocus cloth on.

          (In my last email, I called what you need "emory cloth" by error, the
          abrasive is the same but when it is put on paper, it is caled emory
          paper and when it is on cloth it is called crocus cloth).

          Disassemble the bug, and CAREFULLY rub the contact (face down) in a
          figure-8 pattern being careful to press down on the center as to not
          round the contact (not really a problem as long as it is uniform).
          Another method is to cut a band of crocus cloth and wrap around your
          finger like a bandage and "massage" the silver (towards the finger) in
          a figure eight pattern.

          If it is extremely bad (which it isn't) use course crocus cloth for a
          few wipes, then medium for much more and then fine. The idea is to
          level the surface, then with the fine cloth to polish it.

          Clean with denatured (or rubbing) 90% alcohol. and let dry, then work
          on the other three contacts.

          Then when all is dry, polish with Flitz. It has an ingredient which
          bonds to the silver to prevent tarnish and is excellent for contacts.
          Clean by rubbing off with cotton pads or cotton puff. Do not use
          paper towel - or use cotton tipped swabs with caution - avoid scarring
          by directly hitting the wooden stick of the swab.

          Paper towel should not be used on any mirror surface, just glass
          cleaning microfiber, Turkish towels, cotton balls or fleece.

          73

          DR

          On Tue, Jul 22, 2008 at 3:36 PM, k4oso <k4oso@...> wrote:
          > Steve,
          Getting the old ones smooth in the event a
          > previous owner took a file to them (or other drastic measures). Good
          > luck.
          > Milt
          > k4oso
        • Tim Soxman
          steve, If you had a drill press you could drill out the conntacts and press fit the new ones I provide tsp with little ball peen hammer snd it s locked in
          Message 4 of 9 , Jul 23, 2008
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            steve,
            If you had a drill press you could drill out the    conntacts and press fit the new ones I provide  tsp with  little ball
            peen hammer snd it's locked in place.Pr you an polish yhr contacts with  reley burnishr  or FlitZ/
            Tim W3ZVT
            Sent: Tuesday, July 22, 2008 2:09 PM
            Subject: [cw_bugs] Replace Vibroplex contacts?

            After a few months of all sideswiper sending, my bug has again caught
            my attention. It is a 1953 Presentation, my favorite bug so far.

            A friend told me Vibroplex will replace the contacts. I just called
            Vibroplex and they said it is $40.50 to replace each contact on the
            contact post, the contact spring, and the sliding dash contact.

            Is that service worth the money? Or can I do a similar repair on my own?

            73,

            Steve N6VL

          • k4oso
            Tim, Could you restate your suggestion. I m missing something. Thanks, Milt k4oso ... press fit the new ones I provide tsp with little ball ... with reley
            Message 5 of 9 , Jul 23, 2008
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              Tim,
              Could you restate your suggestion. I'm missing something. Thanks,
              Milt k4oso
              --- In cw_bugs@yahoogroups.com, "Tim Soxman" <tims@...> wrote:
              >
              > steve,
              > If you had a drill press you could drill out the conntacts and
              press fit the new ones I provide tsp with little ball
              > peen hammer snd it's locked in place.Pr you an polish yhr contacts
              with reley burnishr or FlitZ/
              > Tim W3ZVT
              > To: cw_bugs@yahoogroups.com
              > Sent: Tuesday, July 22, 2008 2:09 PM
              > Subject: [cw_bugs] Replace Vibroplex contacts?
              >
              >
              > After a few months of all sideswiper sending, my bug has again
              caught
              > my attention. It is a 1953 Presentation, my favorite bug so far.
              >
              > A friend told me Vibroplex will replace the contacts. I just
              called
              > Vibroplex and they said it is $40.50 to replace each contact on
              the
              > contact post, the contact spring, and the sliding dash contact.
              >
              > Is that service worth the money? Or can I do a similar repair on
              my own?
              >
              > 73,
              >
              > Steve N6VL
              >
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