4
Aerial work platform
ZED 20.3 HV
COD. UM0284_GB | REV. 0.0 | ED: 09/17
GB
Chapter 7
EMERGENCY MANOEUVRES
7.5
lowering the work platform in the event of a power cut
If there is a failure to the vehicle’s engine, the gear pump that supplies motor power to all the equipment,
the platform can be lowered as follows (Fig. 7.3):
1)
remove the control lever (1) of the manual pump (2) ixed to the ladder by loosening the black
locking knob;
2)
insert the grip (1) in the manual pump (2) located near the rear right-hand extension;
3)
whilst the operator on the work platform controls the required movement, activate the manual
pump (2);
4)
when recovery has been carried out, re-position the manual pump control lever, ixing it on the
ladder using the black locking knob.
2
3
1
Fig.
7.3
7.6
Manual lowering of platform from the ground
If the vehicle’s engine breaks down, the gear pump that supplies power to all the equipment fails or
there is a power cut, the platform can be lowered as follows:
1)
remove the manual pump control lever (Fig. 7.3, 1) fastened in the ladder by unscrewing the
black locking knob (Fig. 7.3, 3);
2)
insert the handle onto the manual pump (Fig. 7.3, 2);
3)
unfasten the “stabiliser/work platform control” diverter valve (Fig. 7.4 1) located close to the
stabiliser controls;
4)
completely remove the carter in the turret by unscrewing the black locking knobs (Fig. 7.4, 2, 3, 4);
3
4
5
2
1
Fig.
7.4
5)
lower the platform to the ground following the indications shown in the diagram on the label
(Fig. 7.4, 4) above the cover: