24
2 installation instructions
Cutting the coupling rod to size and mounting it
For multiple-section sashes (2L/2R, 3L/3R, 4)
NOtES
observe the edge clearance of the guide lug
with rabbet or surface-mounted installation!
Mount the guide lug with n1 rivets.
66
11
7
106
46
64
Drive housing
bottom edge
Centre of
guide tab
3 mm sash radius
3
35
52
close the double shutter and mark the centre
of rotation of guide lug
B
. afterwards, open
the double shutter and measure the distance
from
a
to
B
.
A
B
close the double shutter and divide the dis-
tance determined (from
a
to
B
) in half. in-
scribe the half path on motor housing
C
as
shown in the drawing.
C
B
open the double shutter once again and, as
shown in the drawing, the half path (from
a
to
B
) is marked once again on motor housing
D
. the centre of rotation
E
of the coupling rod
lies between the two points
C
and
D
.
C
B
D
E
