Liebherr LHM 420 - Manual (Page 10)

10
Bulk Handling
LHM 550 SSA Marine Gulf LHM 280 CCI de Colmar et du Centre-Alsace LHM 550 AGAM
s¬ $URING¬GRAB¬OPERATION¬HOISTING¬SLEWING¬AND¬LUFlNG¬ARE¬
driven simultaneously at maximized speed to achieve
the highest (possible) turnover
s¬ $URING¬GRAB¬lLLING¬FEATURES¬SUCH¬AS¬AUTOMATIC¬LOWERING¬
and hoisting guarantee the optimum filling level of the
grab
s¬ 4HE¬ SLACK¬ ROPE¬ MONITORING¬ SYSTEM¬ ENSURES¬ EXTENDED¬
lifetime of the ropes and increases operational safety
s¬ 2EVERSE¬POWER¬IS¬RETURNED¬TO¬THE¬DRIVE¬PROCESS¬THROUGH¬
closed loop hydraulics which results in reduced fuel
consumption
s¬ 4HE¬#YCOPTRONIC ® anti-sway system automatically com-
pensates for all rotational swing, transverse and longi-
tudinal sway of the load at maximum speeds
s¬ 4O¬ PROVIDE¬ SAFE¬ AND¬ STRESS
FREE¬ WORKING¬ CONDITIONS¬ FOR¬
the operator, Liebherr offers the Cycoptronic ® inclucing
Teach-In ® feature, a semi-automatic system, which pi-
lots the crane from the vessel hatch to the quay without
any sway. Especially for bulk operation into hoppers, the
Teach-In
® system increases turnover and ensures con-
sistent turnover rates during the entire ship unloading
The optimised interaction between powerful hydrostatic transmission and advanced Liebherr electronics ensures short,
productive working cycles in bulk handling. Independent of whether using a motor grab or a four-rope grab, all important
handling parameters such as the volume to be lifted with each grab, the opening/closing and hoisting speeds, simultane-
ous functions, winch synchronisation etc. are optimized using specially developed Liebherr electronics.