14.6 Indicator of inner boom horizontal position
(on request)
The column is fitted with a device that informs the driver through a sound/light
signal in the cab, that the inner boom max position allowed during transport on
road has been exceeded.
14.7 Stand-up control station
This special fitting allows the operator to use the crane controls whilst standing
in a higher position, in order to have good vision of the working area.
The stand-up control station is constructed with a platform fixed on to the base
of the crane and with a control panel
.
The control point allows the manual ope-
ration of the crane controls through
remote control cables or rigid rods.
On the control panel, further to the control levers and to the plates, we can find
the supplementary electric control panel (fig. 15 pos. 1).
Controls to operate the crane.
See paragraph 14 of the USE AND MAINTENANCE MANUAL for details of
“Controls to operate the crane”
See paragraphes 16 of the USE AND MAINTENANCE MANUAL for details of
“Lifting moment limiting device”
The operator's presence in the stand-up control station activates photo-
cell L (fig. 15) that automatically prevents the crane from rotating above
the station
and activates the flashing of the green light in the different
control panels near the plate DE5775 (fig. 16b).
(!) ATENTION (!)
Before accessing the stand-up control station make
sure that the photocell L pilot-light (fig. 15) is turned
on and green; then check its correct functioning: if put
your hand in front of the photocell the pilot-light shall
turn yellow (thus enabling the limitation of the rotation
path). Besides, when entering the stand-up control
station, before starting the crane operation, check that
the limitation of the rotation path is active
,
see the fla-
shing of the green light.
Always use the ladder fitted by the installer to gain access to the control sta-
tion; the side of the access to the platform is protected by chain link, always
replace the chain onto the structure of the platform after climbing up.
The instruction plate DE5643 reported on the selector, identifies the interven-
tion sectors of the device (fig. 16).
The operator's presence in the stand-up control station allows only a reduced
rotation of the crane, since it is not enabled to pass on the station.
When the operator is not present in the stand-up control station, the crane is
allowed to operate at its max rotation arc (which may differ from 180° indicated
on plate DE5643)
. In case the operator is not in the stand-up control station
and the rotation arc at the beginning reaches the position above the station, a
red light starts flashing and a buzzer starts ringing until the aforesaid rotation
arc is maintained.
14.6
CONTROLS TO
OPERATE THE CRANE
GR2_60_3_4
fig. 15
1
L
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