...or lube one up with some grease, plop a dollop of jb weld on it, stick a donor socket on it and let it cure.
Stay Charged! Hump > > > ---------- Forwarded message ---------- > From: Bill Dube <[email protected]> > To: [email protected] > Cc: > Bcc: > Date: Wed, 17 Nov 2021 11:56:01 +1300 > Subject: Re: [EVDL] What type of magic is this nut and where to get a tool > for it? > I think this one is beyond Harbor Freight. This is a _highly_ unusual > fastener. > > If you can't find the proper socket, you may have to resort to > fabricating one, perhaps by milling or grinding five grooves to engage > the five nubs on the fasteners, inside a thick-walled socket of the > appropriate size. (An excellent place to buy such a "donor" socket would > indeed be Harbor Freight.) > > Alternatively, you can make careful measurements, CAD up a mating tool, > 3D print it in plastic to check the fit and to make refinements in the > CAD model, and then have it 3D printed in metal. There are tons of fast > turn-around 3D printing houses on-line. Www.ShapeWays.com for example. > > I have no clue as to why this high-security nut was selected. The design > seems somewhat amateurish in that the interconnects are so massive. > Typically, in OEM battery packs, the interconnects are shaped to bend or > flex somewhat so that cell expansion, vibration, or slight movement > won't cause damage to the seals on the cell terminals. Corrosion is > quite evident, so electrolyte has likely leaked by the damaged seals. :-( > > Bill D. > > > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20211117/0864f2e5/attachment.html> _______________________________________________ Address messages to [email protected] 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
