Liebherr R 996 B - Manual (Page 16)

16 R 996 B
Technical Data
Engine
2 Cummins diesel engines
Rating per
SAE J 1995 ���������������� 2 x 1.120 kW/2 x 1,500 HP at 1,800 rpm
Model ������������������������ Cummins K 1800 E
Type �������������������������� 16 cylinder V-engine,
water-cooled,
direct injection,
turbo-charged,
after-cooler
Displacement ������������� 50,3 l/3,069 in 3
Bore/Stroke ���������������� 159/159 mm / 6.26/6.26 in
Air cleaner ����������������������� dry-type air cleaner with pre-cleaner, with
automatic dust ejector, primary and safety
elements
Fuel tank ������������������������� 13.000 l/3,440 gal
Electrical system
Voltage ���������������������� 24 V
Batteries �������������������� 8 x 170 Ah/12 V
Alternator ������������������� 2 x 24 V/150 Amp
Engine idling �������������������� sensor controlled
Hydraulic System
Hydraulic pumps
for attachment and
travel drive ����������������� 8 variable flow axial piston pumps
Max. flow ������������������� 8 x 840 l/min. / 8 x 222 gpm
Max. hydr. pressure ���� 320 bar/4,640 psi
Hydraulic pumps
for swing drive ������������ 4 reversible swash plate pumps,
closed-loop circuit
Max. flow ������������������� 4 x 413 l/min. / 4 x 109 gpm
Max. hydr. pressure ���� 350 bar/5,076 psi
Pump management ���������� electronically controlled pressure and flow
management with oil flow optimisation
Hydraulic tank capacity ����� 4.600 l/1,215 gal
Hydraulic system
capacity �������������������������� 8.200 l/2,166 gal
Hydraulic oil filter �������������� 1 high pressure safety filter after each high
pressure pump + fine filtration of entire
return flow
Hydraulic oil cooler ����������� 2 separate coolers, 4 temperature
controlled fans driven via hydraulic piston
motors
Electronic engine
speed sensing ������������������ over the entire engine RPM range
Lubrication ���������������������� central lubrication system
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 for travel
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
Operation with one engine possible
Electric System
Electric isolation ��������������� easy accessible battery isolations
Working lights ������������������ Xenon lights:
– 4 on working attachment
– 2 on RHS (top of the fuel tank)
– 2 on LHS (top of the hydraulic tank)
– 2 on counterweight
6 additional Xenon lights:
– 2 on the top of the cab
– 2 on the RHS (bottom part of the fuel
tank)
– 2 on the LHS (bottom part of the
hydraulic tank)
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
Swing Drive
Hydraulic motor ���������������� 4 Liebherr axial piston motors
Swing gear ���������������������� 4 Liebherr planetary reduction gears
Swing ring ����������������������� Liebherr, sealed triple roller swing ring,
internal teeth
Swing speed �������������������� 0 – 3.5 rpm
Swing-holding brake ��������� hydraulically released, maintenance-free,
multi-disc brakes integrated in each swing
gear
Uppercarriage
Design ���������������������������� torsion 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
Service Flap
Design ����������������������������� hydraulically actuated service flap, easily
accessible from ground level to allow:
– fuel fast refill
– hydraulic oil refill
– engine oil quick change
– splitterbox oil quick change
– swing gearbox oil quick change
– swing ring teeth grease barrel refilling via
grease filter
– attachment/swing ring bearing grease
barrel refilling via grease filter
– windshield washer water refilling
Other coupler type on request