[R-390] Rebuilding C551 - BTDT?

Cecil Acuff chacuff at cableone.net
Tue Oct 17 13:09:48 EDT 2006


Also be careful of any oil...it's probably loaded with PCB's and known 
cancer causing agent....

What ain't!

Cecil....
----- Original Message ----- 
From: "Craig C. Heaton" <wd8kdg at worldnet.att.net>
To: <n4buq at knology.net>; <r-390 at mailman.qth.net>
Sent: Tuesday, October 17, 2006 11:28 AM
Subject: RE: [R-390] Rebuilding C551 - BTDT?


> Barry,
>
> Just depends on how handy you are with tools, and what's in the tool box.
> I've used a dremel tool to cut open the bottom of a C551, all four sides.
> Cut off the old wire leads. Then use a wood screw, twist it into the
> oil/foil/paper and pull everything out, dry out the insides. Next, use a
> small numbered bit to drill a hole into the lugs on the bottom piece that
> was cut out with a dremel tool and tap the hole. Gotta use a small 
> drill/tap
> or else the drill will cut the lug in half. Use the correct size machine
> screw and solder lug on the bottom piece. Solder on new cap, I used a NTE
> Mylar found in a local store. Small lengths of heat shrink on caps leads
> will help. Insert cap into old C551 body and solder the corners.
>
> Takes more time to write about the dirty deed than to perform the job.
>
> What ever floats your boat, it is your radio. I've got the time and tools.
>
> Craig,
>
> -----Original Message-----
> From: r-390-bounces at mailman.qth.net
> [mailto:r-390-bounces at mailman.qth.net]On Behalf Of n4buq at knology.net
> Sent: Tuesday, October 17, 2006 9:16 AM
> To: r-390 at mailman.qth.net
> Subject: [R-390] Rebuilding C551 - BTDT?
>
>
> Has anyone rebuilt C551 (the 2uF AGC cap on the IF deck)?  Is it very
> difficult?  I'd like to rebuild it as opposed to just putting a 
> replacement
> under the deck, but if it's really a pain, then I may just go the easy
> route.
>
> Thanks,
>
> Barry - N4BUQ
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