Into forward strut HS-16TP insert HS-22 lower strut reducer and HS-21 upper strut reducer until there is 113-1/8" spacing between mounting holes (see Dwg 12). Drill out 3/16" holes through strut and reducers. Attach HS-31 aluminum gusset to fuselage end and secure into place with AN3-15A (upper) and AN3-17A (fuselage end) bolts, steel washers and locknuts.
