Balancing Of The Boom; Emergency Lock Release - V2 ELETTRONICA NIUBA Manual Del Instalador De Automatización

7 - BALANCING OF THE
BOOM
After having hooked the balance spring as
described in the chapter 5, it is necessary to
proceed to balance the boom.
1. Unblock the automation
2. Rotate the balance spring manually
in order to increase or to diminish the
traction. The boom must be stabilized at
45°.
3. Fix the locking nut and block the motor
reducer.
m
ATTENTION: verify correct
operation of the balance spring
• with the boom positioned vertically,
the balance spring is not in tension
• with the boom positioned
horizontally, the balance spring is in
tension
8 - EMERGENCY LOCK
RELEASE
In case of power loss, bypassing the
motor manually can unblock the barrier
mechanically.
Insert the key provided with the equipment
in the lock, make 1/4 of a turn in clockwise
sense and rotate the handle towards the
left: the boom is free and can be opened
manually.
To restore automation simply rotate to the
initial position and again rotate the key to
the closed position.
+ -
- 42 -
45°
45°