Liebherr R 995 - Manual (Page 2)

2 R 995
Technical Data
Engine
1 MTU diesel engine
Rating per
SAE J 1995 ���������������� 1.600 kW/2,140 HP at 1,800 rpm
Model ������������������������ MTU 16 V 4000 E 20 (Tier 1)
Type �������������������������� 16 cylinder turbocharged V-engine,
after-cooled,
two separate water cooling circuits,
common-rail direct injection system
Displacement ������������� 65 l/3,967 in 3
Bore/Stroke ���������������� 165/190 mm / 6.5/7.48 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 ������������������������� 10.000 l/2,640 gal
Electrical system
Voltage ���������������������� 24 V
Batteries �������������������� 8 x 170 Ah/12 V
Alternator ������������������� 24 V/240 Amp
Engine idling �������������������� sensor controlled
Electronic engine
control system ����������������� engine speed sensing over the entire
engine RPM range. Provides integration of
engine with other machine systems
Hydraulic System
Hydraulic pumps
for attachment and
travel drive ����������������� 6 variable flow axial piston pumps
Max. flow ������������������� 6 x 840 l/min. / 6 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 361 l/min. / 4 x 95.4 gpm
Max. hydr. pressure ���� 350 bar/5,076 psi
Pump management ���������� electronically controlled pressure and flow
management with oil flow optimisation
Hydraulic tank capacity ����� 3.030 l/800 gal
Hydraulic system
capacity �������������������������� 6.400 l/1,690 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, 3 temperature
controlled fans driven via hydraulic piston
motors
Electro-Hydraulic Controls
Servo circuit �������������������� independent, electric over hydraulic
proportional controls of each function
Emergency control ������ via accumulator for all attachment func-
tions with stopped engine
Power distribution ������������ via monoblock control valves with inte-
grated 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
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 – 3.7 rpm
Swing-holding brake ��������� hydraulically released, maintenance-free,
multi-disc brakes integrated in each swing
gear
Electric System
Electric isolation ��������������� easy accessible battery isolations
Working lights ������������������ high brightness halogen lights:
– 4 on working attachment
– 2 on LHS of uppercarriage
– 2 on RHS of uppercarriage
– 2 on counterweight
Xenon 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
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 ��������������� on the cab side with a hydraulically driven
access ladder, additional emergency ladder
in front of 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
Quick coupler upon request