Collins 75A4 Questions

[John M Iverson]

To use any cleaner on some front or back painted clear panels is to
invite disaster.  I was specifically referencing painted panels such as
collins, h-c, and others using a lacquer or enamel paint for the
lettering.  when not sure of the possible damage,  always  test with a
Q-tip in a hidden area.    old jack
Jack Iverson    K0EWU    jackiv at juno.com
ARRL,  IEEE LM,  RCA, AMI, ARCI, QCWA,CCA

On Fri, 25 Jun 1999 14:17:12 -0500 John M Iverson <jackiv at JUNO.COM>
writes:
>I know that this will generate a lot of flak, but here goes.
>After many experimrnts, the best panel cleaner is the old 409.  spray
>it on and wipe it right off,don't let it set for more than 2 minutes.
>will make your paper towels real brown if a smoker had the rig.  BTW,
>I have been using this stuff for years with no problems.
>as with any cleaner use with caution and try on a hidden surface
>first.         73    jack
>Jack Iverson    K0EWU    jackiv at juno.com
>ARRL,  IEEE LM,  RCA, AMI, ARCI, QCWA,CCA
>
>On Thu, 24 Jun 1999 17:03:36 -0500 "Freeberg, Scott (STP)"
><scott.freeberg at GUIDANT.COM> writes:
>>Hi Bill,
>>
>>Congrats on your new 75A4 find.
>>
>>On the front panel being "grungy".  The grunge could be due to dirt,
>>wear,
>>or nicotine.  If its dirt, the detergent soap should do a nice job.
>>Liquid
>>detergent soap won't take nicotine off, so if it doesn't clean up
>very
>>well,
>>be suspicious of nicotine.  My 75A4 was loaded with nicotine and it
>>took a
>>while to get thorough it down to the paint.  It came to me looking
>>"tired"
>>and had a worn look to it.  After cleaning the nicotine off, the real
>>colors
>>and texture came out (not off).  I used GOJO WHITE (not the pumice
>>version)
>>and a tooth brush, and lots of rags.  Worked great.
>>
>>73,  Scott WA9WFA in Saint Paul Minn
>>
>>> -----Original Message-----
>>> From: Bill Neubauer [SMTP:st7451sw at MEDIAONE.NET]
>>> Sent: Thursday, June 24, 1999 4:27 PM
>>> To:   BOATANCHORS at LISTSERV.TEMPE.GOV
>>> Subject:      Collins 75A4 Questions
>>>
>>> Today, I picked up an early series 75A4 receiver that is a
>candidate
>>for
>>> restoration and reuse.  However, there are a few questions posed to
>>the
>>> BA membership:
>>>
>>>     - Need a dial for the PTO.  The original dial has 25% of the
>>skirt
>>> broken off-  any available or a source- does not have to be exact
>>nor a
>>> vernier unit..
>>>
>>>     - The unit has a 3.1 mech. filter which will be O.K.. for AM
>use
>>but
>>> would like a SSB (2.1 or 1.5) filter and a CW filter (500 Hz).  Can
>>any
>>> Fair Radio Sales filters be "adapted" for plug in use?  Any extra
>>> filters out there at a reasonable cost?
>>>
>>>     - The front panel is "grungy" and I will use a liquid detergent
>>soap
>>> (Dial) and a soft cloth to clean.  Some of the white silk screened
>>> letters looks a bit "weak" so I don't want to cause any more
>>problems.
>>>
>>> Thanks to all for many answers to my earlier postings.
>Bill//KC4ZZ
>>>
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