<div dir="auto">I definitely agree with Jerry\u2019s comment\u2026 I\u2019ll add some more to this in a bit I just want to say that right away.</div><div dir="auto"><br></div><div dir="auto"><br></div><div dir="auto">Benn</div><div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sat, Sep 4, 2021 at 12:08 PM Jerry Shafer <<a href="mailto:jerrysgarage01@gmail.com">jerrysgarage01@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Wrenches<div>its not the tool its the user so when I hear about impacts got to know the feel.</div></div><div dir="ltr"><div>Jerry</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Sep 3, 2021 at 12:06 AM Corey Shalanski <<a href="mailto:coresolar@gmail.com" target="_blank">coresolar@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Wrenches,<div><br></div><div>(This question actually does refer to the proper use of 'wrenches'...)</div><div><br></div><div>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.</div><div><br></div><div>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\u2014but 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.</div><div><br></div><div>--</div><div>Corey Shalanski</div><div>Jah Light Solar</div><div>Portland, Jamaica</div></div>
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