Manually Unlocking And Locking The Gearmotor - Nice M3BAR Instructions And Warnings For Installation And Use

repeat the operation by positioning the boom also at
4.
roughly 20° and 70°. If the boom remains stationary in its
position, it means that it is correctly balanced; a slight im-
balance is allowed, but the boom must never move sub-
stantially
5. lock the gearmotor.
3.11 MANUALLY UNLOCKING AND LOCKING THE
GEARMOTOR
The gearmotor is equipped with a mechanical unlocking system
that allows for opening and closing the boom manually.
These manual operations should only be performed in case of
a power outage, malfunctions or during the installation phases.
To unlock the device:
insert the key (A) and turn it by 180° towards the left or
1.
right
30
A
A
2. the gate leaf can now be moved manually to the desired
position.
To lock the device:
1. turn the key (A) back to its initial position
remove the key.
2.
14 – ENGLISH
To shift the lock cylinder to the opposite side of the gear-
motor:
insert the key (A) and turn it by 180° clockwise
1.
from inside the cubicle, pull downwards the U-shaped
2.
spring (B) that locks the lock cylinder
remove the cylinder (C) from the cubicle by pulling it out-
3.
wards
31
A
B
C
remove the rubber cap on the opposite side of the cubicle
4.
and insert the lock cylinder through the hole
from inside the cubicle, insert from bottom to top the
5.
U-shaped spring to lock the lock cylinder
6. turn the key (A) back to its initial position
remove the key.
7.