Cleaning your Gusmer D-Gun Part 3 Torque the Felt Packing into the Mix Module Announcements / Foam Insulation News Posted by Admin on Sep 04, 2006 - 11:49 AM After replacing the felt packing behind the Iso and Resin ports you have to torque the retaining nut just tightly enough to ensure a smooth glide of the valving rod through the mix module.  Failure to do this step properly will result in all kinds of trouble and expense.  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=20