Great Planes Extra 300S 60 Kit - GPMA0236 - Manual (Page 26)

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13. Remove the belly pan from the wing and glue the
die-cut 1/8" ply belly pan plate (part #23) in place, making
sure it fits all the way into the pockets. Sand the belly pan
plate flush with the aft belly pan former.
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14. Double check the alignment of the wing in the fuse,
then glue the belly pan to the wing with thin CA. Note: Do
not glue the wing to the fuse.
❏
15. Glue the die-cut 1/8" ply belly pan spines (part
#24) in place with thin CA.
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16. Glue the die-cut 1/8" ply wing bolt plate (part #21)
in place.
❏ ❏
17. Holding the wing firmly in place, drill one 13/64"
hole through the bolt block, keeping the drill perpendicular
to the wing bolt plate and centered in the hole.
❏ ❏ 18. Remove the wing and re-drill the hole in the wing
only to 17/64".
❏ ❏
19. Use a 1/4-20 tap and a tap wrench to cut threads
in the bolt block.
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