How to free up wafer switches?

[Eddy Swynar]

An OT friend of mine once had a Yaesu FT-102, which were notorious for the
failure of the relay contacts internal to the rig...

His solution? Once every year, or so, he'd spritz a LIGHT blast of WD-40
onto the relay contacts. He claims to have never had a problem with his
relays by doing this...

Perhaps the rotary coils in ALL our rigs could benfit from the same
treatment.

~73~ Eddy VE3CUI - VE3XZ




----- Original Message -----
From: "Jack Crenshaw" <jcrens at EARTHLINK.NET>
To: <HEATH at LISTSERV.TEMPE.GOV>
Sent: Sunday, October 22, 2000 12:43 PM
Subject: How to free up wafer switches?


> Over the last few months, I've bought up a ton of old Heath tube test
gear.  Now that
> most items have arrived, I'm discovering that many of the items have
rotary wafer
> switches that are either sticking or just plain stuck.  Anybody got any
bright ideas for
> how to get them working again?
>
> At least one of the bad switches is in a VOM that prob'ly got connected to
line voltage
> while in ohms mode <ugh!>.  That one I can understand. But most of them
are in things
> like range switches where there is no appreciable current.
>
> Thanks
>
> Jack
>
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