16) Turn the cabinet so it is facing down
as pictured. Carefully align the other side
of the joint and tape it.
Remove the baffle.
17) Place a thick line of glue on one
long edge of port piece C.
18) Slide Port Piece C in to rebates
C1/C2 until it is flat with the baffle
rebate.
The thick line of glue should seal the join
with port piece A.
Allow glue to cure for at least 30min.