Step1: Use 14 screws 2# gaskets and
nuts to fix part #G3 and part#G4
on the cornice of top roof.
Step2: Use 4 screws 2#,gaskets and
nuts to cover part #G7 on the connection
of part #G3 and part#G4 as shown in ③.
Repeat the above producers to assemble
the another side.
16
