12
=
=
door control
Reference line
Sliding metal plate for
the shaft bracket
Ceiling anchor
horizontal track
Warning!
To avoid personal injury, it is essential
to secure the cable drum, the set
of springs and the centre supports
on the shaft.
The cable drum, set of springs and
centre support on the shaft could
slip off.
MT10051002-GB /10-09-27
GB
RESIDENTIAL SECTIONAL GARAGE DOORS
INSTALLATION, USE & MAINTENANCE MANUAL
DOORS AND AUTOMATION SYSTEMS
Drum (L) black right
Drum (L) red lef
t
Left spring
color black
Right spring
color red
Spring set left side
Spring set right side
Screw the anchor to the ceiling
Screw all the necessary anchors to
the ceiling.
7. Springs
The drums for the cables and springs
must be mounted on the correct
side of the door, to ensure that the
cables are wound correctly.
The cable drums are colour marked.
Left interior mounting:
red cable drum
(L).
Right interior mounting:
black cable
drum (R).
7.1 Mounting the spring
Trace a line along the strut, for the full
width of the door, to get a reference
point for mounting all the hangers
and the position of the holes for the
spring breakage supports.
Make the centre of the
Shaft bracket
coincide with the
door centre,
width wise,
and the
sliding metal
plate
for the
shaft bracket
must
coincide with the
Reference line.