[Heathkit] cleaning wafer switches

[Carl]

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
>>>
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