[RE-wrenches] Broken bolt

Jim Duncan ntrei at 1scom.net
Wed Oct 3 09:48:40 EDT 2018


By no means should you ever put a lubricant on threads. Grease will 
lubricate and reduce friction. Friction is what holds the threads tight 
against each other. If it's SS into SS you know already to use 
anti-seize compound which contains powdered metal, nickel/silver or 
copper/orange.

Jim Duncan

North Texas Renewable Energy [retired]

On 10/2/2018 10:26 AM, Jerry Shafer wrote:
> Ron
> It almost looks like the bolt to stud is off center as it might be 
> gauling causing pre-mature torq on the stud that can lead to failure, 
> try grease paste on the threads next time, it might help.
> Jerry
>
> On Tue, Oct 2, 2018, 1:14 AM Ron Young <solareagle at solareagle.com 
> <mailto:solareagle at solareagle.com>> wrote:
>
>     Anyone seen this before, the bolt on a shunt inside a Magnum
>     inverter snapped right off, other half inside the shunt. I was
>     tightening it but I don’t believe excessively. It appears to be
>     crystallized. Magnum is replacing the shunt but it’s my good luck
>     that the job is 5 hours into a remote backwater along a punishing
>     road.
>
>
>     Ron Young
>     earthRight Solar - Solareagle.com <http://Solareagle.com>
>     _______________________________________________
>     List sponsored by Redwood Alliance
>
>     List Address: RE-wrenches at lists.re-wrenches.org
>     <mailto:RE-wrenches at lists.re-wrenches.org>
>
>     Change listserver email address & settings:
>     http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>
>     List-Archive:
>     http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html
>
>     List rules & etiquette:
>     www.re-wrenches.org/etiquette.htm
>     <http://www.re-wrenches.org/etiquette.htm>
>
>     Check out or update participant bios:
>     www.members.re-wrenches.org <http://www.members.re-wrenches.org>
>
>
> _______________________________________________
> List sponsored by Redwood Alliance
>
> List Address: RE-wrenches at lists.re-wrenches.org
>
> Change listserver email address & settings:
> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>
> List-Archive: http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html
>
> List rules & etiquette:
> www.re-wrenches.org/etiquette.htm
>
> Check out or update participant bios:
> www.members.re-wrenches.org
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.re-wrenches.org/pipermail/re-wrenches_lists.re-wrenches.org/attachments/20181003/ffb004f7/attachment.htm>


More information about the RE-Wrenches mailing list