Liebherr R 9400 - Manual (Page 16)

16 R 9400
Technical Data
Engine
1 Cummins diesel engine
Rating per
SAE J 1995 ���������������� 1.250 kW/1,675 HP at 1,800 rpm
Model ������������������������ Cummins QSK50
(USA/EPA Tier 2 or fuel consumption
optimized setting)
Type �������������������������� 16 cylinder turbocharged V-engine
after-cooler
two separate water cooling circuits
common rail
Displacement ������������� 50,3 l/3,069 in 3
Bore/Stroke ���������������� 159/159 mm / 6.26/6.26 in
Engine cooling system ������ fans driven via hydraulic piston motor
Air cleaner ����������������������� dry-type air cleaner with pre-cleaner, with
automatic dust ejector, primary and safety
elements
Fuel tank ������������������������� 6.908 l/1,825 gal
Electrical system
Voltage ���������������������� 24 V
Batteries �������������������� 4 (+ 2) x 170 Ah/12 V
Alternator ������������������� 24 V/260 Amp
Engine idling �������������������� sensor controlled
Electronic engine
power management ���������� engine power and speed sensing over the
entire engine rpm range
Hydraulic System
Hydraulic pumps
for attachment and
travel drive ����������������� 4 variable flow axial piston pumps
Max. flow ������������������� 4 x 751 l/min. / 4 x 198 gpm
Max. hydr. pressure ���� 320 bar/4,640 psi
Hydraulic pump
for swing drive ������������ 2 reversible swash plate pumps,
closed-loop circuit
Max. flow ������������������� 2 x 390 l/min. / 2 x 103 gpm
Max. hydr. pressure ���� 350 bar/5,076 psi
Pump management ���������� electronically controlled pressure and flow
management with oil flow optimisation
Hydraulic tank capacity ����� 2.200 l/581 gal
Hydraulic system
capacity �������������������������� 4.200 l/1,110 gal
Hydraulic oil filter �������������� 1 high pressure safety filter after each high
pressure pump + fine filtration of entire
return flow (15/5 μm)
Hydraulic oil cooler ����������� 2 separate coolers, 2 temperature
controlled fans driven via hydraulic piston
motor
Electro-Hydraulic Controls
Servo circuit �������������������� independent, electric over hydraulic
proportional controls of each function
Emergency control ������ via accumulator for all attachment
functions with stopped engine
Power distribution ������������ via monoblock control valves with
integrated primary relief valves and
flanged on secondary valves
Flow summation ��������� to attachment and travel drive
Control functions
Attachment and
swing ������������������������ proportional via joystick levers
Travel ������������������������ proportional via foot pedals or hand levers
Bottom dump bucket �� proportional via foot pedals
Swing Drive
Hydraulic motor ���������������� 2 Liebherr axial piston motors
Swing gear ���������������������� 2 Liebherr planetary reduction gears
Swing ring ����������������������� Liebherr, sealed triple roller swing ring,
internal teeth
Swing speed �������������������� 0 – 3.9 rpm
Swing-holding brake ��������� hydraulically released, maintenance-free,
multi-disc brakes integrated in each swing
gear
Uppercarriage
Design ���������������������������� torque resistant designed upper frame in
box type construction for superior strength
and durability
Attachment mounting ������� parallel longitudinal main girders in
box-section construction
Machine access ��������������� 45° access system with handrails on the
cab side of the uppercarriage. Full con-
trolled descent in case of emergency stop.
Additional emergency ladder fitted near the
cab
Electric Motor (optional)
1 electric motor
Power output ������������������� 1.350 kW/1,810 HP
Type ������������������������������� 3 phase AC squirrel cage motor
Voltage ���������������������������� 6,000 V, other voltage on request
Frequency ����������������������� 50 Hz (or 60 Hz)
Revolutions ���������������������� 1,500 rpm or 1,800 rpm
Motor cooling ������������������ integrated air-to-air heat exchanger
Starting method ��������������� inrush current limited to 2,2 full load current
Electric System
Electric isolation ��������������� easy accessible battery isolations
Working lights ������������������ high brightness halogen lights:
– 2 on working attachment
– 1 on RHS of uppercarriage
– 3 on LHS of uppercarriage
– 2 on counterweight
Xenon or LED lights in option
Emergency stop switches �� at ground level, in hydraulic compartment,
in engine compartment and in operator cab
Electrical wiring ���������������� heavy duty execution in IP 65 standard for
operating conditions of – 50 °C to 100 °C/
– 58 °F to 212 °F