Before you start grinding, try the $12 pin socket. You'll probably thank me: https://amzn.to/3HmXL3T
On Tue, Nov 16, 2021 at 2:54 PM Haudy Kazemi via EV <ev@lists.evdl.org> wrote: > It may be custom security hardware with limited access to tools. It doesn't > appear to be something that would match something in the readily available > security bit toolkits. Maybe the person you got the pack from knows the > backstory? > > If you can't find the tool needed or a substitute, you could try adding > flat grips to the nuts via a grinder or Dremel-type rotary tool. Shield > everything near the specific nut being worked on with a non-conductive > barrier, possibly plexiglass and/or dry wood. The added flat grips will > either let you remove the nuts by unscrewing, or by weakening the nut so it > breaks during the removal attempt. > > Not sure why they'd care about locking down individual cells. This isn't > doing anything to keep people away from high voltages and currents...that'd > be something to do at the whole pack enclosure level, not cell level. > They're really only preventing pack disassembly. Maybe that's the point? > But again why? Detecting warranty voiding tampering? > > > > On Tue, Nov 16, 2021, 04:29 Cor van de Water via EV <ev@lists.evdl.org> > wrote: > > > Here two pics of the battery box with the weird half-dome nuts on the > > cell interconnects: > > https://flic.kr/p/2mK3nUh > > https://flic.kr/p/2mKc155 > > Anybody know what this nut is called and where to find the tool for it? > > Cor. > > > > On Mon, Nov 15, 2021 at 8:28 PM John Lussmyer via EV <ev@lists.evdl.org> > > wrote: > > > > > > I'd like to see a photo of that! > > > > > > On Mon Nov 15 20:11:26 PST 2021 ev@lists.evdl.org said: > > > >It looks like a halfdome with 5 deep dimples for the tool to grab into > > > >to undo the nut. > > > > > > > > > -- > > > > > > Tigers prowl and Dragons soar in my dreams... > > > _______________________________________________ > > > Address messages to ev@lists.evdl.org > > > No other addresses in TO and CC fields > > > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > > > ARCHIVE: http://www.evdl.org/archive/ > > > LIST INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org > > _______________________________________________ > > Address messages to ev@lists.evdl.org > > No other addresses in TO and CC fields > > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > > ARCHIVE: http://www.evdl.org/archive/ > > LIST INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org > > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20211116/b371cab2/attachment.html > > > _______________________________________________ > Address messages to ev@lists.evdl.org > No other addresses in TO and CC fields > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > ARCHIVE: http://www.evdl.org/archive/ > LIST INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20211116/427ce47d/attachment.html> _______________________________________________ Address messages to ev@lists.evdl.org No other addresses in TO and CC fields UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub ARCHIVE: http://www.evdl.org/archive/ LIST INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org
