TIGIEFFE AIRO A Series, Use And Maintenance Manual

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Use and Maintenance Manual – A16 J A18 J Series Page 57
5.6. Emergency manual controls
This function is to be used only in emergency situations, when no motive power is available.
Fig.13
In case of fault in the electric or hydraulic system, carry out the following emergency procedures:
1. Screw the indicated tap completely (solenoid valve EV1);
2. Insert and screw the emergency actuator on the solenoid valve corresponding to the desired movement (see below
correspondence between solenoid valves names and obtained movements);
3. Completely screw the knurled knob of the previously chosen actuator;
4. Remove the operating lever of the manual pump and insert it on the pump itself;
5. Activate the emergency pump.
6. Check the correct execution of this procedure.
NB: In case of machines with simultaneous movements (OPTIONAL) the procedures for platform recovery are the same but the
operations are to be carried out from point 2.
Solenoid valves and relevant movements:
- EV4 = Pantograph lifting (lower boom)
- EV5 = Pantograph lowering (lower boom)
- EV6 = Telescopic boom out
- EV7 = Telescopic boom in
- EV12 = Turret right rotation;
- EV13 = Turret left rotation;
- EV14 = Lifting upper boom
- EV15 = Lowering upper boom
- EV18 = Jib up;
- EV19 = Jib down;
- EV21 = Platform right rotation
- EV22 = Platform left rotation