Automated System Test; Manual Mode Operation; Restoring Normal Operation Mode; Maintenance - FAAC 620 SR Manual

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5.5 AUTOMATED SYSTEM TEST

After installation, apply the danger sticker to the top of the upright.
Check operating efficiency of the automated system and all
accessories connected to it.
Hand over the "User manual" to the customer, as well
as the documentation required by current laws, and
illustrate the correct operation of the barrier, pointing
out the potential danger zones.

6 MANUAL MODE OPERATION

If the barrier has to be moved manually due to a power cut or
fault of the automated system, operate the release device with
the supplied key.
The supplied release key can be triangular (Fig. 6 ref.a) or
customised (Fig. 6 ref., optional).
- Insert the release key in the lock and turn it anti-clockwise
through one complete turn as shown in Fig 6
- Open or close the barrier manually.

7 RESTORING NORMAL OPERATION MODE

To prevent an involuntary pulse from activating the barrier during
the manoeuvre, cut power to the system before activating the
locking system.
triangular release key (standard):
- turn the key clockwise until it stops and remove it (Fig. 6
ref. a).
customised release key (optional):
- turn the key clockwise until the point where it can be removed
(fig. 6 ref. ).
BLOCCA / LOCK
BLOQUE / VERRIEGELT
BLOQUEAR / VERGRENDEL
SBLOCCA / UNLOCK
DEBLOQUE / ENTRIEGELT
DESBLOQUEAR / ONTGRENDEL
Fig. 15
1
2
Fig. 16
7

8 MAINTENANCE

Below we indicate the procedures needed to ensure a
suitable level of barrier efficiency and safety.

8.1 PRELIMINARY CHECKS

At the times of maintenance, perform a visual control of the
status of the barrier and a general cleaning of the system.
Check the efficiency of the release devices and any
illuminating devices.

8.2 CHECKING OF SAFETY DEVICES

Check the correct operation of the anti-crushing system (regulation
of by-pass screws par. 5.), also check the correct regulation of
the balancing spring (par. 5.).

8.3 TOPPING UP OIL

Periodically check the quantity of oil inside the tank.
An annual check is sufficient for low to medium use frequency;
for heavier duty, check every 6 months.
The level must not drop below the notch of the control stick
(Fig. 7 ref a ).
To top-up, unscrew the filling plug (fig.7) and pour in oil up to
the correct level.
Use FAAC HP OIL and no other.

8.4 BLEEDING OPERATION

If beam movement is incorrect, air must be bled from the hydraulic
system. Procedure:
)
Make sure that the breather screw has been eliminated
(Fig.8)
)
Activate the beam electrically:
- during opening, slightly loosen and re-screw the bleed
screw of the piston with the balancing spring (Fig.  ref.
).
- during closure, slightly loosen and re-screw the bleed screw
of the piston without the balancing spring (fig.  ref. ).
)
If necessary, repeat the operation several times, until you
obtain correct beam movement.

9 REPAIRS

For any repairs, contact FAAC's authorised Repair Centres.
a
Fig. 17

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