• Take the front keel extension
bar (red marks) to connect it
with the front frame.
• Take the crossrib n°2 (left, red marks). Present
it on the frame. Lift the locker to secure it on the
bolt head - on the keel bar (right).
Do the same for the rear half
frame (blue marks).
• Connect the crossrib to the top
deck bar with the pin.
• Secure it in place with the pin.