Liebherr R 995 - Manual (Page 2)

2 TD R 995 Arctic Litronic
Technical Data
Engine
MTU diesel engine
Rating per
SAE J 1995
________________ 2140 HP (1600 kW) at 1800 RPM
Model ________________________ 16 V 4000 E 20
Type __________________________ 16 cylinder turbocharged V-engine,
after-cooled,
two separate water cooling circuits,
common-rail direct injection system
Displacement ____________ 65 l/3967 cu.in
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/2640 gal
Electrical system
Voltage ______________________ 24 V
Batteries ____________________ 8 (+ 2) x 170 Ah/12 V
Alternator __________________ 2 x 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
Option ____________________________ alternate diesel engine or electric motor on
request
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
Hydraulic Controls
Servo circuit ____________________ independant, 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
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/4640 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/5076 PSI
Pump regulation ______________ electro-hydraulic,
pressure compensation,
flow compensation,
automatic oil flow optimizer
Hydraulic tank capacity ____ 3030 l/800 gal
Hydraulic system
capacity
__________________________ 6400 l/1690 gal
Hydraulic oil filter ______________ filtration of entire return flow, 1 high
pressure filter for each main pump
Hydraulic oil cooler __________ 2 separate coolers, 3 temperature
controlled fans driven via hydraulic piston
motors
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
Catwalks ________________________ on the left 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 gearing grease barrel refilling
via grease filter
– attachment/swing ring bearing grease
barrel refilling via grease filter
– windshield washer water refilling
Quick coupler upon request