7.76"
7
.7
6
"
Step 6:
As per the screw positions on the
upper support frame, drill 4 holes
(about
Φ
0.31"), then fill the
expanding rubber into the holes.
Aiming the holes on the ceiling, fix
the ceiling cover with the expanding
screws tightly and make sure it is firm.
Step 5:
Put the inner duct cover and outer
duct cover on the blower box.
The pull out the exhaust pipe to
the level of the inner duct cover.
Expansion hanger
Step 3
Match the 8pcs expansion hanger
with the hoods assembly.
16pcs screws
16pcs nuts
Step 4:
Use 16pcs M4 screws to fix the
hangers.
Step 7:
Install expansion strip with the ceiling
cover (Upper one).