I definitely agree with Jerry’s comment… I’ll add some more to this in a bit I just want to say that right away.
Benn On Sat, Sep 4, 2021 at 12:08 PM Jerry Shafer <jerrysgarag...@gmail.com> wrote: > Wrenches > its not the tool its the user so when I hear about impacts got to know the > feel. > Jerry > > On Fri, Sep 3, 2021 at 12:06 AM Corey Shalanski <coreso...@gmail.com> > wrote: > >> Wrenches, >> >> (This question actually does refer to the proper use of 'wrenches'...) >> >> While inspecting some recent work from one of our contractors, we noted >> that the PV module clamps had been torqued to ~150% of the racking >> manufacturer's specified value. My question is whether that might have any >> detrimental effect on the modules (frame, glass, cells, seal, etc) and >> whether it would be worth loosening the clamps and re-torquing them to the >> proper spec? For reference, 224 modules are installed. >> >> We were made aware that the contractor used an impact driver on the >> clamps, which accounts for the excessive torque applied. I definitely >> understand the temptation to use an impact driver for just about >> any hardware that needs turning—but my understanding is also that impact >> drivers are generally incompatible with machine screws. So my other >> question to the group is whether anyone has had success in dissuading >> subcontractors from using impact drivers so liberally on project sites? Any >> advice is appreciated. >> >> -- >> Corey Shalanski >> Jah Light Solar >> Portland, Jamaica >> _______________________________________________ >> List sponsored by Redwood Alliance >> >> Pay optional member dues here: http://re-wrenches.org >> >> List Address: RE-wrenches@lists.re-wrenches.org >> >> Change listserver email address & settings: >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> >> There are two list archives for searching. When one doesn't work, try the >> other: >> https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/ >> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org >> >> List rules & etiquette: >> http://www.re-wrenches.org/etiquette.htm >> >> Check out or update participant bios: >> http://www.members.re-wrenches.org >> >> _______________________________________________ > List sponsored by Redwood Alliance > > Pay optional member dues here: http://re-wrenches.org > > List Address: RE-wrenches@lists.re-wrenches.org > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > There are two list archives for searching. When one doesn't work, try the > other: > https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/ > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > http://www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > http://www.members.re-wrenches.org > > -- <http://www.skyfireenergy.com> Benn Kilburn CSA Certified Solar Photovoltaic Systems Electrician, SkyFire Energy Inc Employee Owner 14515 - 121A Ave NW | Edmonton, AB | T5L 2T2 Direct: 780-784-1706 | Office: 780-474-8992 *www.skyfireenergy.com <http://www.skyfireenergy.com/>* <https://twitter.com/SkyFireEnergy> <https://www.facebook.com/SkyFireEnergy> <https://www.linkedin.com/company/283735?trk=tyah&trkInfo=tarId%3A1408655033432%2Ctas%3Askyfire%2Cidx%3A2-2-5>
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