[R-390] Off Topic HRO Rebuild

[Ben Loper]

Great work, did you have any issues aligning it since so many parts  
were changed




The proper function of man is to live - not to exist.” — Jack London

On Jan 31, 2010, at 19:52, Tom Frobase <tfrobase at gmail.com> wrote:

> I was at the Belton Hamfest about a year ago and bought a couple of
> really rough HRO receivers.  I donated one of the to the Battle ship
> Texas and kept the other.  The one I kept was really bad, it made no
> sense to try and get it running it was just too ugly.
>
> Over the holidays I decided to take the time as a "labor of love" and
> gut the radio and rebuild it.  I was surprised it took over 4 hours to
> disassemble the radio and clean the solder off of the sockets and
> terminal strips.  I took approximately 50 digital pictures to aid in  
> the
> rewiring of the radio. The main capacitor also had to be completely
> disassembled as well.  The chassis was stripped, sandblasted and
> repainted.  The IF and BFO cans were disassembled and cleaned.  All
> existing mica caps were replaced.  I used modern resistors and caps
> saving lots of space.  I used a medium sized ultrasonic cleaner for  
> most
> of the cleaning using a solution of sudsy ammonia, it did wonders for
> the aluminum parts and made the ceramic come out pure white.  It took
> about 12 hours to rewire the radio Other than a broken internal wire  
> on
> an IF can, it essentially worked the first time.  I have an output
> transformer ordered from Fair radio but else than that "IT IS  
> ALIVE!!!"
>
> Here is a link to some pictures, they should be speak for themselves
>      HTTP://www.kitparts.com/HRO       73, tom, N3LLL
>
> Yes I know I should using my time for more important things.  Just one
> more radio off the trash heap ...
>
>
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