For peace of mind, just use the tip of a small flat screwdriver to place a small square of tape on the crystal case to prevent contact. Though I doubt "bumping" would cause contact. Messing around inside the case, maybe, but not bumping the rig.
73, Guy. On Sun, Sep 19, 2010 at 7:41 AM, <[email protected]> wrote: > Hi group, > > Wondering if anyone has thoughts on how one would go about re-insulating > areas > of bare toroid wire? > > This is why I'm asking: I've finished building the KSB2 module. The board > holes for the leads of the small RFC1 and RFC2 are relatively widely spaced > apart and the leads of my toroids are tinned right up to the toroid core. I > installed them between the crystal cans and the resistor packs. They > fitted > fine. I pulled the leads tight and soldered them in. I checked for > continuity > between the crystal cans and the toroid leads and on one of the RFCs, sure > enough, there was a short between the toroid windings and the can. With a > bright light and magnifying glass, I saw that because of the direction that > the > taught toroid lead had pulled and the relatively long stretch of that > tinned > lead above the board, it had made contact with the crystal case. > > To fix the problem, I simply adjusted the position of the lead (bent it > laterally a bit). But now I'm wondering how much bumping around it'd take > to > re-create the short. To save having to remove the RFC and redo it, is > there > anything I can paint on the above board exposed lead to re-insulate it? > > Or, now the short has been fixed, am I obsessing over nothing? Or, should I > just > bite the bullet, remove the RFC, re-wind it leaving some enamel on the lead > and > re-install it? > > Other than that, the KSB2, KDSP2 and KNB2 have all been very satisfying > builds. > Just need the K2 to go with them! :) Hopefully my missing parts will > arrive > this week :) > > > Thanks! > > 73, > > John > VK7JB > > > ------------------------------------------------------------ > This email was sent from Netspace Webmail: http://www.netspace.net.au > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > 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 > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft 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
