1
2
Spring break
device
1
3
2
14
7.2.1 Reference indications:
Move the entire set of springs to match
the top
(1) position
of the spring
break device with the holes in the
console
position (2)
Spring Security Support
Screw the Safety spring bracket the
to the console.
Installation
Security support springs absorb spring
breakage preventing the fall of the
door.
Secure the shaft to the profile in
C
axis to maintain shafts in level
position.
Insert coupling shaft
(1)
in the shaft
(2)
and then slide into the shaft
(3)
DO NOT
tighten the 4 screws.
The total tightening of the coupling
should be done after pre-stressing
of the springs, and the exact
leveling of the panels.
MT10051002-GB /10-09-27
GB
RESIDENTIAL SECTIONAL GARAGE DOORS
INSTALLATION, USE & MAINTENANCE MANUAL
DOORS AND AUTOMATION SYSTEMS
PRN-120 model only
