9
A
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h
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at
a a
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d i
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fo
rm
at
io
n c
o
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ta
in
ed h
er
ei
n
i
s c
o
n
si
d
er
ed
s
u
b
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h
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g
e a
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y t
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d a
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cr
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io
n
ENGLISH
8) Then secure
the ratiomotor’s
fi xing bracket with
appropriate screws
chosen according to
the shape on the wall,
being sure that the two
toothed crowns are
perpendicular to each
other.
1
1
1
3
2
5) Unite the two ends of the chain with the coupling and
insert it onto the toothed crown Z40 leaving it hanging.
6) Anchor the ratiomotor’s shaft pinion to the hanging chain.
7) Release the ratiomotor by hand by turning the rod clockwise.
