11
Keep the horizontal tracks
parallel to each other.
Warning!
At least 4 BACK HANGERS must
be mounted on the ceiling as
shown in the drawing. Add more
hangers whenever this is
considered necessary in order
to securely anchor the tracks.
MT10051002-GB /10-09-27
GB
RESIDENTIAL SECTIONAL GARAGE DOORS
INSTALLATION, USE & MAINTENANCE MANUAL
DOORS AND AUTOMATION SYSTEMS
The number of back hangers to be
mounted on the ceiling will always
be determined by
NORPA
. All back
hangers supplied must be installed
Prepare strong, triangular anchors
which must be correctly screwed
to the ceiling.
6.2 Installation
The horizontal tracks are supplied
with two back hangers per track.
However, the figure explains the
steps to follow, should it be
necessary to mount more anchors.
