Liebherr Truck-mounted concrete pumps - Manual (Page 13)

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The control: Safe and highly sensitive
Complete control
All commands can be transferred to the machine from any unobstructed opera-
tor position using the state-of-the-art radio remote-control. The boom can thus
be manoeuvred smoothly and practically across the building site.
Operation without radio control
Alternatively, operation is also possible via cable-operated remote control wherever
radio control is not permitted on the respective application site, for example in mili-
tary zones.
Improved operational safety
Additionally, Liebherr truck mounted concrete pumps feature alternative control
options, guaranteeing the possibility of continued pumping in all situations.
O = Normal control mode
(operation via sensors and controller)
B = Emergency mode I: Operation without sensors
(hydraulic pressure relay)
A = Emergency mode II: Operation without controller
(backup control via relay in the switch cabinet)
All housings for the control are made
of stainless steel.