[Elecraft] TMP connectors

[Rick Robinson]

Are you thinking of DeOxit ? Thin red liquid that has been around for years
and great for cleaning and protecting . Not messy. Noalox is for aluminum
electrical connections. Look up DeOxit and I think you will see this is
what would be the proper product.

On Sun, Jun 8, 2025 at 7:42 PM Drew AF2Z <pubx1 at af2z.net> wrote:

> NO-OX-ID contact grease is the stuff. Works great for RF and audio
> connectors.
>
> 73,
> Drew/AF2Z
>
>
>
> On 6/8/2025 17:27, Ray Maxfield wrote:
> > Hi Jim and GP.
> >   I would only use No-Oxide "type grease" on the TMP connectors.
> > A very lite coat is all that is needed.
> >
> > Ray WA6VAB K3
> >
> > ________________________________
> > From: elecraft-bounces at mailman.qth.net <elecraft-bounces at mailman.qth.net>
> on behalf of chetsubaccount at snet.net <chetsubaccount at snet.net>
> > Sent: Sunday, June 8, 2025 1:11 PM
> > To: elecraft at mailman.qth.net <elecraft at mailman.qth.net>
> > Cc: jim at rhodesend.net <jim at rhodesend.net>
> > Subject: Re: [Elecraft] TMP connectors
> >
> > Hi Jim,
> >
> > The last time I re-plugged those connectors after having my K3's sub
> out, I
> > did apply a small amount of dielectric grease to the tip and the shell.
> Just
> > used very little smear (not a glob) on the tip of my finger to touch
> those
> > parts. That also made correct and full insertion easier.
> >
> > Contacts use pressure to squoosh their little conductive hills into/onto
> the
> > mating surface. After that, they need protection from atmospheric and
> > moisture deterioration. The grease keeps it from reaching those
> microscopic
> > areas as it gets pushed aside all around of where they squoosh.
> >
> > I've been using it on outdoor coax connectors for ages, and recenrly on
> the
> > braid of crimp-on connectors before crimping. Never had an issue .
> >
> > 73,
> > Chet, N8RA
> >
> >
> > -----Original Message-----
> > From: elecraft-bounces at mailman.qth.net <elecraft-bounces at mailman.qth.net>
> On
> > Behalf Of Jim Rhodes
> > Sent: Friday, June 6, 2025 10:26 PM
> > To: elecraft at mailman.qth.net
> > Subject: [Elecraft] TMP connectors
> >
> > My K3 does not get a lot of use anymore because its spot on the desk has
> > been taken by the K4D.  Now the K4 has been at the mothership and the K3
> was
> > perking along just fine and then went silent suddenly.  No receive, no
> > transmit.  I opened it up and poked around a bit the next day with the
> top
> > cover off and all of a sudden the receive started crackling and transmit
> was
> > fine.  Buttoned it back up and it worked fine during off and on use for a
> > few days, then it went quiet again after an all day stretch.  So I popped
> > the top and twisted all of the TMP connectors that I could reach,
> powered it
> > up and it has been working fine again.
> > My question to the group is: Has anyone ever gone to the trouble of
> treating
> > all of those pesky little connectors with some kind of dialectric grease
> to
> > keep them from this kind of behavior?  By the time you add the second
> > receiver and the 2 meter board there gets to be a lot of the little
> buggers
> > in there and most of them are hard to get at.  Seems like it might be a
> good
> > project to try now that the K4 is on its way home again.
> >
> > Jim K0XU
> > jim at rhodesend.net
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