This might help?

Nut Wrench for Toggle Switches
GC Nut wrench specifically for the knurled nuts on toggle switches. Use
of wrench prevents damage to surrounding area.


GC/Waldom
Table Nut Wrench for Toggle Switches
Product Description Toggle Switch nut wrench
Item# 477526

from Tessco Technologies

de K3HVG

Denis Sharon wrote:

Hello,

Can anyone tell me just what means was used to tighten and loosen the
serrated/ribbed/knurled thin nuts used on panel-mount toggle switches?

I've been a gearhead since birth and have tinkered with radios almost as
long but have never encountered a tool to properly operate these decorative
nuts without potential damage. In one type of application, a hex nut is used
behind the panel with a decorative serrated nut on the front side. In this
case, it is a simple matter to merely tighten the behind-the-panel hex nut.
In other applications however - such as my TMC GPR-92 - the is no hex nut
and the switch is secured by only the serrated nut thereby requiring a means
to tighten it properly.

Replies directly to denis [dot] sharon [at] att.net would be appreciated.
Thanks

Regards,

Denis Sharon W1AOK
Ridgefield, CT

I have a knurled nut wrench, which I purchased to remove the knurled nut on
my KWM-380. It was a high quality driver. However, no matter how hard I
tried, I could not remove the nut. There simply was not enough contact. I
finally had to use a pair of pliers and destroyed the knurled nut.

That led me to not want to reassemble the switch using the same technique.
I ended up using a nice 12 sided nut. It looks fine, though not original.

So, my KWM-380 is now non-standard. That does not bother me too much since
I also have non-standard boards inside.

Colin K7FM

"COLIN LAMB" wrote in message
nk.net...
I have a knurled nut wrench, which I purchased to remove
the knurled nut on my KWM-380. It was a high quality
driver. However, no matter how hard I tried, I could not
remove the nut. There simply was not enough contact. I
finally had to use a pair of pliers and destroyed the
knurled nut.

That led me to not want to reassemble the switch using the
same technique. I ended up using a nice 12 sided nut. It
looks fine, though not original.

So, my KWM-380 is now non-standard. That does not bother
me too much since I also have non-standard boards inside.

Colin K7FM
If its possible to get to the back of the switch you can
try to loosen the back nut, usualy a regular hex nut. I've
also had some success by using a pair of pliers padded with
tape. Also, try a drop of WD-40 around the threads of the
nut. Let it soak in for a few minutes.
Some of these trim nuts are so thin that putting much
pressure on them with pliers will distort them and make them
very difficult to remove.


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Richard Knoppow
Los Angeles, CA, USA




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Posted via a free Usenet account from http://www.teranews.com

I did not have any access to the backside to manipulate things.

Had I to do it over again, I would have tried something to try to dissolve
the bond between the knurl and the threads. But, it does not take much to
round things out enough to make it impossible to take it off gracefully.

Seems like you get one chance to do it right.

Colin K7FM