Installed HF-9 and -7A rear down tubes ans splices using HH-19 and -5 bolts and locknuts and 1/8" rivets.Inst 11.
Oriented HF-91s to be plumb and set HF-11TP trailing edge connecting tubes to be 4.5 deg from horizontal. Installed HB-16 brackets with HM-4 saddles using HH-6 and -2 locknuts and bolts. Inst 12.
Installed all 4 HB-16 btackets on aft bulkhead using using HH-8 and -2 bolts and locknuts. Inst 13.
Fitted sidegirders HF-116 (L&R) using 3 predrilled holes into HB-16 brackets on aft and foreward bulkheads using HH-10 AN4-15A bolts (not HH-8 as they are too short for proper threading of locknut).
