Locate and put into place HP-191 and HP-190 TP comprssion brace tank supports 13-1/2" outboard from wing root. Trim approximately 1/8 off end of HP-190TP to line it up with HP-191TP. Drill out gussets HG-3 (4) and secure above supports into place with HM-14 1/8" rivets top and bottom. Repeat with HG-27 gussets top and bottom, flipping wing over to work on bottom side.
Drill 3/16" holes in braces as done for left wing tank and secure taank into place with HP-89 mounting straps eye bolted and secured with nuts and washers, after applying foaam tape HP-188 to prevent chafing.
Fabricate L-shaped stops from 1/8 x 3/4" aluminum strips and secure to rib adjacent to each tank (L&R) with 1/8" long rivets to prevent them from sliding outboard with steep banking turns.
