Clean Tip D-Gun: Part 7 in the Gusmer D-Gun Cleaning Series Announcements / Foam Insulation News Posted by Admin on Sep 04, 2006 - 12:10 PM A clean D-Gun Tip is your goal even while spraying.  Be sure to carry extra Glycolic Either with you or have it handy with your helper.  A wire brush or a knife also helps to maintain the spray pattern if tits develop during prolonged triggering applications.  Make sure your valving rod comes out to the proper distance just barely past the main valve rod nut shown here or slightly counter-sunk depending on how you like your pattern. This article comes from Canada Foam Insulation   http://www.foam-insulation.ca/ The URL for this story is:   http://www.foam-insulation.ca/modules.php?op=modload&name=News&file=article&sid=24