Liebherr LTF 1045-4.1 - Manual (Page 13)

LTF 1045-4.1 13
With proven components
The drive components for the crane drive are designed for high efficiency and
provide for a sensible and precise handling of the loads. They are specially
adapted for the crane operation and proven in severe long-time tests.
• Crane engine: 4-cylinder Liebherr turbo charged diesel engine, 129 kW/
175 HP, max. torque of 815 Nm, optimized fuel consumption by electronic
engine management
• Diesel-hydraulic crane drive, open oil circuits wih electric “Load Sensing”-
control, 4 working motions simultaneously possible
• Electric/electronic SPS-crane control via the LICCON computer system
• Comfort armrest control with 2 self centering, 4-fold joy sticks, stepless
control of all crane motions with winch and slewing gear sensors, electronic
pilot control
• Slewing gear switchable for: open or hydraulically fixed, so the motion can
optimally be adjusted for the various operation conditions, e. g. sensible
erection operation or fast working cycles
Powerful crane drive
The slewing gear
• Liebherr planetary gearbox, spring
loaded multiple disk brake
• Switchable as standard: open or
hydraulically fixed
• Slewing speed of 0 – 2.7 rpm stepless
adjustable
The central greasing
• Standard central greasing device for
slewing ring, boom bearing, luffing
cylinder and winch bearing
• Consistent supply of grease
• Filling amount in transparent
container visible at all times
LICCON
screen
Control lever with touch displays
Control unit
Telescoping
cylinder Luffing cylinder
Control block
Hoist gear
Slewing
gear
Variable pump
Liebherr diesel engine
Sensor
Gear type pump