[ARC5] SCR-522 Connectors

[Steve Williams]

The square notches are for a spanner wrench. If you have one, plug it into
a mating socket, clamp it in a vice, then carefully use what ever pliers
you have to back out the notched ring mentioned above. On connectors that
are this old, a little releasing liquid can't hurt, along with some gentle
tapping around the edges. Patients and gentleness is the key.
Steve
KC4WN

On Fri, May 15, 2026, 2:19 PM Michael Hanz via ARC5 <arc5 at mailman.qth.net>
wrote:

> Well, you are supposed to use a spanner wrench, but only nuts like me
> buy them (from my engine building days, mostly).
>
> You could also use a screw driver and tap gently on the handle end with
> the driver end planted in one of the four gaps.  You should cushion it
> with a gum wrapper or similar.  It shouldn't take much to break it loose.
>
> - Mike
>
> On 5/15/2026 1:03 PM, Mark K3MSB wrote:
> > Yup… I see it now…. page 20 and 21.    Also in the Table of
> > Contents…..   Duh…..
> >
> > I have two of them apart.    I tried using pliers but the grip wasn’t
> > good enough.  I thought about using a vice but that leads to obvious
> > dangers…..
> >
> > Thanks Mike.
> >
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