Liebherr R 9350 - Manual (Page 2)

Technical Data
2 R 9350 Arctic
Engine
1 Cummins diesel engine
Rating per
SAE J 1995
________________ 1500 hp (1120 kW) at 1800 rpm
Model ________________________ QSK45
Type __________________________ 12 cylinder turbocharged V-engine,
after-cooler,
two separate water cooling circuits,
direct injection system
Displacement ____________ 45 l/2745 in 3
Bore/Stroke ________________ 159/190 mm / 6.26/7.48 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 ________________________ 5815 l/1536 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
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 ________________ 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 – 3.7 rpm
Swing torque __________________ 1120 kNm/82,607 lbf ft
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
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
________________ 4 variable flow axial piston pumps
Max. flow __________________ 4 x 754 l/min. / 4 x 199 gpm
Max. hydr. pressure ____ 320 bar/4640 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/5076 psi
Pump regulation ______________ electro-hydraulic,
pressure compensation,
flow compensation,
automatic oil flow optimizer
Hydraulic tank capacity ____ 2200 l/581 gal
Hydraulic system
capacity
__________________________ 4200 l/1110 gal
Hydraulic oil filter ______________ filtration of entire return flow, 1 high
pressure filter for each main pump
Hydraulic oil cooler __________ 2 separate coolers, 2 temperature
controlled fans driven via hydraulic piston
motor
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, catwalks in front of the
pumps and in the counterweight, additional
emergency ladder in front of the cab
Service Flap
Design ____________________________ hydraulically actuated service flap, with
lighting 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 wash water refilling
Quick couplers on request