Aerial work platform
ZED 20.3 HV
5
COD. UM0284_GB | REV. 0.0 | ED: 09/17
Chapter 7
GB
EMERGENCY MANOEUVRES
CAUTiOn
Always open only one valve at a time. Before moving to the next valve, close
the valve that was opened previously.
The direction of rotation of the emergency manoeuvres always refers to a
person sitting in the cab of the vehicle.
A)
Completely close the valve (Fig. 7.5,
7
);
B)
open the telescopic boom valve,
3A
to extend or
3B
to retract the extension:
set the required travel speed using the proportional valve (7). After completing the
manoeuvre, close the valve (Fig. 7.5,
3A
or
3B
) and the valve (Fig. 7.5,
7
);
C)
open the valve for the articulated boom (Fig. 7.5,
1A
or
1B
):
Set the required travel speed using the proportional valve (Fig. 7.5,
7
). After completing
the manoeuvre, close the valve (Fig. 7.5,
1A
or
1B
) and the valve (Fig. 7.5,
7
);
D)
Open the turret valve (Fig. 7.5,
5A
or
5B
):
Set the required travel speed using the proportional valve (Fig. 7.5,
7
). After completing
the manoeuvre, close the valve (Fig. 7.5,
5A
or
5B
) and the valve (Fig. 7.5,
7
);
E)
open the valve (Fig. 7.5,
2A
or
2B
) to align the work platform:
Set the required travel speed using the proportional valve (Fig. 7.5,
7
). After completing
the manoeuvre, close the valve (Fig. 7.5,
2A
or
2B
) and the valve (Fig. 7.5,
7
);
f)
inally, open the telescopic boom valve,
4A
to raise or
4B
to lower the extension:
Set the required travel speed using the proportional valve (Fig. 7.5, 7). After completing
the manoeuvre, close the valve (Fig. 7.5,
4A
o
4B
) and the valve (Fig. 7.5,
7
);
G)
After having completed the manoeuvres, completely unscrew the proportional valve (Fig.
7.5,
7
);
H)
replace the hand pump lever in the ladder and secure it using the black knob.
5
6
4
1
2
3
Fig.
7.5
CAUTiOn
Contact the Assistance Centre to check and repair the fault and attach a new
lead wire seal onto the valves.