E.F. Johnson Company CK-ISLAND FORD User Manual - page 5
2. According to the hanging board, drill 12 holes in the
ceiling,
see pic 2, 12pcs
of
ST6*40mm big
flat
screws will be
used to
fix the hanging
board
on the ceiling,
and
then
8pcs
of
M4*10
screws and M4
nut with gasket will be used to connect the angle iron into
the hanging board, see pic 1, calculated the length of the
angle iron, and 16pcs M4*10 big flat screws and M4 nut
with gasket will be used to connect the angle iron and
another angle iron ( the overlap length of angle iron can
not less 100MM)
3. Let the one side of the extensible pipe go outside through
the hole of 170MM, see pic 3.
4. 4pcs ST4*8 big flat screws will be used to connect the
internal chimney into the hanging board, then put one the
external chimney, two hooks will be used to put up the
external chimney in order to the next installation, see pic
4.
5. 4pcs ST4*8 big flat screws will be used to install the
outlet, see pic 5.