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Dynon mounting washers

AN23

Well Known Member
I’m installing a used Dynon EMS D-10 and the installation manual calls for four washers placed between the unit and the panel. What type of washer is it… star, flat?
 
Flat washers

I would say flat washers; because star washers normally go against the nut or screw head and "bite in" to help prevent it from coming loose.
A flat washer between the panel and the D10 will centre the loads on the studs, just in case the panel is not perfectly flat (and so avoid potentially uneven pressure on the D10 frame.)
 
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