[R-390] Front Panel Restoration ER Don Reaves

[Barry]

I'm pretty sure the zinc chromate conversion is best left there and primer will adhere very well to it.

If it were me, I'd stick with JB Weld for filling divots.

Good luck with it,
Barry - N4BUQ

----- Original Message -----
> From: "Chuck Catledge" <ae4cw at att.net>
> To: r-390 at mailman.qth.net
> Sent: Thursday, July 30, 2015 5:26:03 PM
> Subject: [R-390] Front Panel Restoration ER Don Reaves
> 
> Glenn,
> 
> Thank you very much for your comprehensive article in ER.  I'm in the
> process of refinishing my first engraved panel and have it stripped down to
> what I think is the golden-brown Alodine coating. The zinc chromate and
> paint stripped just fine.  Before proceeding I would appreciate your (and
> others who might care to respond) thoughts on a few questions I have:
> 1) Is necessary to sand off the Alodine(?) coating before priming with zinc
> chromate?
> 2) Is Bondo (or equivalent) a good substitute for filling small dings or
> deeper scratches vs. J-B Kwik?  It seems like it might be easier to sand and
> feather into the panel.  I suspect Bondo might not be a good sub on the
> panel edges where mechanical strength would be an asset.
> 3) One of the rack mounting holes is "enlarged".  I'm considering filling it
> with Loctite epoxy putty, sanding flush and re-drilling the hole.  Is this a
> workable solution?
> 4) Don, you call for shop towels for wiping off the smeared acrylic
> lettering paint.  Are these cotton terry towels or paper or something else?
> 
> This is my first venture, so I really appreciate the great knowledge of this
> group.  Thanks to all!
> ---
> Chuck, AE4CW
> 
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