Combine and faster the first part of the box OO with the Gearbox NO onto the beam BO-1 with the
bolts YO, using the Allen key ZO-3 or a screwdriver and the hex bit ZO-4.
Then, place and insert the main louver at the 2nd position provided for this purpose, starting from
the box side to build the roof.
OO
BO-1
YO
OO
NO
NO
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