Brief Description: Preparing fuselage parts for final assembly
Page 8-31
Machine countersunk #30 for dimples the 1/8 holes on the side web of the F887-L1 abd R-1 upper longerons that are common with the WD-802- L 1 and R-1 upper engine mount brackets and #30 dimple countersunk holes in the F-820-L-1 and R-1 fwd side skins. Deburred all match drilled and final drilled holes in all loose fuselage substructure parts Deburred all holes in all fuselage skins Trimmed the index tabs from the bottom of the F-820 L-1 and R-1 fwd side skins Deburred the holes in the fwd and aft bottom flanges of the center section bulkhead assembly Deburred the #30 holes in the F-814 E-L 1 and R-1 Seat ramp supports Deburred the rivet holes at the fwd and aft ends of the F-826-1 and F-827-1 mid bottom skins Deburred all open rivet holes on the fwd fuselage substructure Dimple countersunk the #40 holes in the firewall assembly side flanges Dimple countersunk the 4 #40 holes at the center aft end of the F-822-1 fwd floor panel located between the center section Dimple countersink the 5 #30 holes on each side of the F-822-1 fwd floor panel
dimpling the firewall flange
Dimpling the 5 holes with a hand dimpler to be able to reach them
