"This is just too long ago for me to remember, but I don't think so."

"Hai, Kris
Did u remove the four hex socket screws around the group to open the machine? I do so, but there a hard to loosen out i even broke my allen key, is there some kind of thread sealant on these that makes them so hard to turn out?Thk much"

"I forget - probably hold a file or sandpaper and spin the tube."

"Hai Kris, what stuff you used to grind the tube down?"