[R-390] Corrosion Under Green Gear

[Jim Whartenby]

Bar Keeper's Friend spray foam works for me.  Less then $4 per bottle.Jim

Logic: Method used to arrive at the wrong conclusion, with confidence.  Murphy

-----Original Message-----
From: Barry Scott <72volkswagon at gmail.com>
To: r-390 at mailman.qth.net
Sent: Wed, Apr 26, 2023 7:02 pm
Subject: [R-390] Corrosion Under Green Gear

I finally started the tear-down of my R390.  When I pulled the green gear
from its home position, I found a considerable amount of aluminum oxidation
under it.  I'm presuming someone cleaned it with something that harms
aluminum (Simple Green, etc.).

I put a liberal amount of DeoxiT on it but that didn't really help (didn't
think it would).  Any ideas what might dissolve that?

Thanks,
Barry - N4BUQ
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