TWO ENG MOUNT GUSSETS ATE INSTALLLED WITHIN THE COCKPIT
1 PREP THE SURFACE TO BE BONDED.
2 CUT OUT TWO 3" X 5" TRIANGLES OF 1/8 G-10 PHENOLIC AS INSERTS FOR THE GUSSETS.
3 USING FLOX BOND THE 5"SIDE TO THE G-10 TO THE FUSALAGE AND THE 3" SIDE TO THE FIRWALL .LOCATE THE TWO PIECES OF PHENOLIC 1/2 FROM THE EDGE OF THE AREA WASHER OR APPROX 2 11/16 APART.
4 AFTER CURING LIGHTLY SAND INSERTS USING MAXIMUM 80 GRIT SAND PAPER AND WIPE WITH ACETONE UNTIL CLEAN. APPLY A MICRO FILLET.
5 PLACE A FOLDED 8BID LAYUP BETWEEN THE TRIANGLES TO BEGIN FORMING THE GUSSET ASSEMBLY. REF TO FIG 10.2.D.2 ENG MOUNT GUSSET.
6 APPLY PEEL PLY TOTHE LAYUP.
7 FOR THE LEFT AND RIGHT SIDE OF THE GUSSET ,MAKE AN 8 BID LAYUP THATIS 4 BID LAYED 2/12"NTO THE FUSELAGE AND FIRWALL OVERLAIN WITH 4 BID 3/12" ONTO THE FUSALAGE AND FIRWALL. REF TO 10.2.D.3 STEPPED LAYUP.
8 PLACE THE STEPPED LAYUP ONTO THE LEFT SIDE OF THE GUSSET. APPLY PEEL PLY TOTHE LAYUPP . THE RIGHT SIDE OF THE GUSSET IS SIMILAR.
9 AFTER CURING REMOVE THE PEEL PLY
10 TRIM THE CARBONN LAYUP AS REQUIRED TO MATCH THE PROFILE OF THE PHENOLIC SHEETS.
