EMERGENCY RELEASE
To be undertaken after disconnecting power supply.
The operator is irreversible and keeps the door closed even without a lockset.
To open the gate manually, in open the motor cover and turn the knob «A» anti-clockwise.
To restore electric working you have to turn the lever clockwise (Fig. 6).
LIMIT SWITCH ADJUSTMENT (Fig. 7)
To adjust the assembly:
Release nuts G,
After establishing the direction of movement of cam H for opening and closing, position the
two limit switches, F, by turning knobs P and judging by sight.
After checking for correct operation of the two microswitches, precisely adjust their positions
so that the gate will stop in the desired position during opening and closing.
Then fasten nuts G.
N.B. The standard limit switch is used for gates of a max. Iength of 13 meters.
If the gate is longer, «Special» limit switches for gates of up to 18 meters can be supplied.
ATTENTION: DO NOT DISABLE THE ELECTRONIC SLOWDOWN !!
The slowdown feature on the control panel must always be active.
Adjust the slowdown so that the gate starts to slow down at a distance of at least 50 cm
from the end of the run.
ADJUSTMENT OF THE SAFETY CLUTCH (Fig. 8)
N.B.: These operations must be executed only after the power supply has been suspended.
To adjust, lock the motor shaft (A) with a n° 17 hex unrech and unscrew the locking nut (B)
with a n° 22 wrench.
To increase thrust force, tighten the grub screw (C), with a n° 6 hex wrench.
Let the gate move electrically a number of times, holding it with your hands so that the thrust
force is slightly higher than that actually required to move the gate.
When adjustment has been completed, remember to fasten the nut at the motor shaft.
MAINTENANCE
To be undertaken only by specialized staff after disconnecting power supply.
Clean the sliding guide of stones and dirt periodically only when the gate does not move.
35
G
B
6
7
8