CH-640 Fuselage Firewall sub-assembly (5 of 52)




Place 20-F-14-3 (firewall vertical Z) left and right on the marks.  Mark and trim the vertial Z's for nice flush fit top and bottom.  Draw lines on Z's 15 mm from edge and 15 mm from bend for rivet holes.  Mark rivet holes AS 5 P40, be sure not to drill rivets in areas that other parts will overlap and do NOT DRILL RIVETS in area where engine mount holes will be drilled.
Place 20-F-14-3 (firewall vertical Z) left and right on the marks. Mark and trim the vertial Z's for nice flush fit top and bottom. Draw lines on Z's 15 mm from edge and 15 mm from bend for rivet holes. Mark rivet holes AS 5 P40, be sure not to drill rivets in areas that other parts will overlap and do NOT DRILL RIVETS in area where engine mount holes will be drilled.