CH-640 Fuselage Firewall sub-assembly (21 of 52)




Mark center of 20-F-16-11 (forward gusset) and 20-F-16-10 (upper angle).  Clamp in position on 20-F-16-1.  Drill and cleco in place.  NOTE:  Do not drill last hole on each end, be sure not to drill where the gear angle bolt holes will be.  Only drill up to 150 mm in from each side on 20-F-16-10.
Mark center of 20-F-16-11 (forward gusset) and 20-F-16-10 (upper angle). Clamp in position on 20-F-16-1. Drill and cleco in place. NOTE: Do not drill last hole on each end, be sure not to drill where the gear angle bolt holes will be. Only drill up to 150 mm in from each side on 20-F-16-10.