[Hammarlund] Need help removing set screws in a HQ140X antenna knob.

[Doug DeWeese]

Hi Jim, I had that problem once, I turned the knob so the nut was up,
filled it full of wd-40, let it stand for a bit & it came loose. Maybe it
was just luck but it worked, worth a try. Good luck----Doug W7LNB




On Sun, Sep 22, 2013 at 2:34 PM, Jim Pruitt <wa7duy at charter.net> wrote:

> I am trying to restore a very cruddy HQ140X.  It is somewhat corroded and
> I have mostly removed the corrosion/mice surprises from the inner chassis
> but need to remove the front panel and do that and the front of the
> chassis.  I have all of the knobs and nuts removed except the one on the
> antenna trimmer.  I can not get that set screw to turn loose in that knob
> and the knob is plastic/bakelite.  The screw looks a little rusted but in
> plastic that should not matter.  Hitting it while trying to turn it does
> nothing and because it is sucha small wrench it just eventually turns in
> the set screw. I am using allen wrenches and think that is correct.  Or is
> it spline?  I hope not.  At any rate,  how do you get stubborn screws to
> loosen in plastic knobs?
>
> Thank you.
>
> Jim Pruitt
>
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