Get some Kroil - penetrating oil for the roll pin. Let it soak overnight or longer then try again. Works much better than liquid wrench.
> On Jun 21, 2024, at 14:39, Jordan Arndt <[email protected]> wrote: > > I'm still unable to remove the roll pin, and the punch I was using actually > broke off near the business end, so I'm stuck there for now. > > Q: What happens when you use 2 x 18pF SM caps in // to replace a single > 36pF..? > > Specifically, I want to replace C-211, a 36pF cap, but I only have 18pF and > 39pF SM caps on hand. > > Aside from ordering more caps, which is the "better" solution, using 2 x 18 > or a 39pF cap to replace C-211...? > > Your thoughts are much appreciated....73...Jordan VE6ZT > > > > > > > ----- Original Message ----- From: "Jordan Arndt" <[email protected]> > To: "'Collins R-390 HF Receiver List'" <[email protected]> > Sent: Saturday, June 08, 2024 12:05 PM > Subject: Re: [R-390] Antenna Trim trouble > > >> >> Well, my first attempt to remove the roll pin was not a success...The pin >> didn't budge and the roll pin punch bent. I'll try the freeze/torch process >> and I hope that works. The punch I used was 1/16" which appeared to center >> and fit properly, but it was/is a fairly cheap tool. I may look for a >> tougher type of punch. >> >> My problem did not appear to be grounding of the AGC line, only slight >> scratching as I turned the Ant Trim control, so using my Sprague TO-6, I >> tried to see if I could provoke "leakage" using the insulation resistance >> test of the TO-6, but to no avail... >> >> That's all for now... >> >> 73...Jordan VE6ZT >> ______________________________________________________________ >> R-390 mailing list >> Home: http://mailman.qth.net/mailman/listinfo/r-390 >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:[email protected] >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html > > ______________________________________________________________ > R-390 mailing list > Home: http://mailman.qth.net/mailman/listinfo/r-390 > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html ______________________________________________________________ R-390 mailing list Home: http://mailman.qth.net/mailman/listinfo/r-390 Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
