Agreed. I was speaking specifically about battery connections and springs, which I pull out completely and soak, then rinse. I've resurrected several lost causes this way.
--Don > On Dec 5, 2014, at 12:11 PM, Steve's IPhone via Texascavers > <texascavers@texascavers.com> wrote: > > A word of caution when using acids around circuit boards and connections. > Acids can promote corrosion. Rinse with a baking soda solution to neutralize > the acid. > Some people use a silicone RTV in their caving lights and flashes. Smell > it first. If it has a smell of vinegar (Acetic Acid) do not use it on > electronic connections. Dow Corning makes a RTV #3140 that is safe to use. > Personally I use a thin coating of silicone grease also made by Dow Corning, > called "Compound 4". It keeps corrosion from starting by preventing moisture > from getting to the metal conductors. It is made for switches and connectors > so it does not insulate the electrical path. > If anyone needs a small amount let me know. > > Steve Gutting > >> On Dec 5, 2014, at 11:26 AM, Don Arburn via Texascavers >> <texascavers@texascavers.com> wrote: >> >> I have successfully removed corrosion with vinegar by dismantling and >> soaking. Not PT per se, but on a couple of lost cause lights. >> >> >> --Don >> >>> On Dec 5, 2014, at 7:53 AM, Diana Tomchick via Texascavers >>> <texascavers@texascavers.com> wrote: >>> >>> Mallory, >>> >>> I have successfully replaced PT lights that were damaged by battery >>> leakage, though I think I tried to clean them up first to see if that >>> revived them. Sometimes if the corrosion isn't too bad, they will work >>> again if you're persistent with a Q-tip, some toothpicks and some rubbing >>> alcohol. Serious rust is a different matter. >>> >>> Diana >>> >>> ************************************************** >>> Diana R. Tomchick >>> Professor >>> Departments of Biophysics and Biochemistry >>> University of Texas Southwestern Medical Center >>> 5323 Harry Hines Blvd. >>> Rm. ND10.214A >>> Dallas, TX 75390-8816 >>> diana.tomch...@utsouthwestern.edu >>> (214) 645-6383 (phone) >>> (214) 645-6353 (fax) >>> ________________________________________ >>> From: Texascavers [texascavers-boun...@texascavers.com] on behalf of >>> Mallory via Texascavers [texascavers@texascavers.com] >>> Sent: Thursday, December 04, 2014 11:56 PM >>> To: CaveTex >>> Subject: [Texascavers] Princeton Tec warranty question >>> >>> Does anyone know if Princeton tecs warranty is rendered null and void if >>> there's evidence of corrosion inside the battery pack? I apparently put >>> rayovac brand batteries in my backup apex Tec some time ago, they leaked, >>> battery connectors got corroded and now my light isn't working. :( it's not >>> a huge deal, since I have better lights (thanks, Lee Jay!) but I sure would >>> like to get it fixed for the cost of shipping if that's an option. >>> >>> Any advice or input is appreciated! >>> >>> Mallory Mayeux >>> mmay...@gmail.com >>> >>> Sent from my iPhone >>> _______________________________________________ >>> Texascavers mailing list | http://texascavers.com >>> Texascavers@texascavers.com | Archives: >>> http://www.mail-archive.com/texascavers@texascavers.com/ >>> http://lists.texascavers.com/listinfo/texascavers >>> >>> ________________________________ >>> >>> UT Southwestern Medical Center >>> The future of medicine, today. >>> >>> _______________________________________________ >>> Texascavers mailing list | http://texascavers.com >>> Texascavers@texascavers.com | Archives: >>> http://www.mail-archive.com/texascavers@texascavers.com/ >>> http://lists.texascavers.com/listinfo/texascavers >> _______________________________________________ >> Texascavers mailing list | http://texascavers.com >> Texascavers@texascavers.com | Archives: >> http://www.mail-archive.com/texascavers@texascavers.com/ >> http://lists.texascavers.com/listinfo/texascavers > _______________________________________________ > Texascavers mailing list | http://texascavers.com > Texascavers@texascavers.com | Archives: > http://www.mail-archive.com/texascavers@texascavers.com/ > http://lists.texascavers.com/listinfo/texascavers _______________________________________________ Texascavers mailing list | http://texascavers.com Texascavers@texascavers.com | Archives: http://www.mail-archive.com/texascavers@texascavers.com/ http://lists.texascavers.com/listinfo/texascavers
