[ARC5] Removing plug retaining rings

[Matt P]

OK Gents,
I am absolutely stumped: what is the secret to removing the retainer rings
on a plug on a FT-233-A single receiver rack? I am finally getting around
to replacing J-24 and have soaked it with acetone to disolve the laquer
that was applied to keep tge retainer ring in place, but still no joy in
getting to even budge. Do I just need more acetone?
73
Matt
W2NS
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