ALUM. SOLDERING

[Marshall M. Dues]

I worked as an avionics technician for 25 years and one thing we
did to fill in aircraft instrument panels where a switch or indicator
lamp was removed was to use a filler called Liquid Aluminum, or
JB Weld in the empty holes.  File and sand the hardened filler to a
flat, smooth surface. Then spray zinc chromate primer on the bare
metal (if the panel is aluminum), then paint the panel with your
favorite color.  If you did a good job of filing and sanding, you
could not see where the original hole was.

I hope this info will help.

Best 73

Marshall Dues,  WB5MYO
Katy, TX



Robert Schlegel wrote:
>
> Anyone have a tip or two on the soldering of alum. ???
> Must repair a couple of  SB cases which have unnecessary holes.
> Bob  N7BH
>
  Snip...

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