[Heathkit] cleaning wafer switches

[Garey Barrell]

Carl -

Which is why I have always used the D100L with the needle applicator.  It only takes a drop or two.

A 'heavy spray' of most ANY solvent, oil, butter, milk, etc. TRASH will screw up a LOT of things!  :-)

Some people can break an anvil!

73, Garey - K4OAH
Glen Allen, VA

Drake 2-B, 2-C/2-NT, 4-A, 4-B, C-Line
and TR-4/C Service Supplement CDs
<www.k4oah.com>


Carl wrote:
> Its 5 decades for me also and I'll stick by my previous statements.
>
> DeWrex-It is OK in very tiny drops but even then I remove the so called
> helpful residue.I dont want it anywhere near a circuit with RF or tube
> voltages.
>
> Anyone who hasnt seen what a heavy spray of that trash can do to a phenolic
> wafer really talks a good line but hasnt worked on many radios that were
> messed up by others.
>
> Carl
> KM1H
>
>
>
> ----- Original Message -----
> From: "Garey Barrell"<k4oah at mindspring.com>
> To:<heathkit at mailman.qth.net>
> Sent: Sunday, December 04, 2011 5:11 PM
> Subject: Re: [Heathkit] cleaning wafer switches
>
>
>> Gary -
>>
>> Same here, only more like five decades...  :-)
>>
>> 73, Garey - K4OAH
>> Glen Allen, VA
>>
>> Drake 2-B, 2-C/2-NT, 4-A, 4-B, C-Line
>> and TR-4/C Service Supplement CDs
>> <www.k4oah.com>
>>
>>
>> Stan Nafziger wrote:
>>> Thank you, Gary!  I totally agree, well stated.
>>>
>>> 73, Stan, KF4BY
>>>
>>> On Sun, Dec 4, 2011 at 4:52 PM, GARY HATTAWAY
>>> <gary_hattaway at bellsouth.net>wrote:
>>>
>>>> I've followed with interest the posts here warning of the dangers of
>>>> Deoxit. I've been using it daily for almost three decades servicing all
>>>> types of communications gear from broadcast to ham gear to land mobile
>>>> radio to avionics and it has yet to cause me (or anyone I know) the sort
>>>> of
>>>> problems described in earlier posts. I've run into the same symptoms
>>>> described, and heard the horror stories, but usually found a deeper
>>>> issue
>>>> with gear that was diagnosed as having "deoxit syndrone". Almost
>>>> invariably, the switches, pots, relay contacts, etc were previously
>>>> contaminated with or exposed to some other unsuitable solvent. This is
>>>> in
>>>> no way meant to offend and I hope none is taken, but I know of many
>>>> equipment manufacturers who specifically endorse the use of (and even
>>>> supply) Caig products as service aids for their products, and none that
>>>> would endorse the use of brake cleaner.
>>>>
>>>> Gary KQ1E
>>>>