This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Operating Temperature: –40 °C to + 40 °C / –40 °F to + 104 °F
Technical Data
2 R 9350 Arctic
Engine1 Cummins diesel engine
Rating perSAE J 1995 ________________ 1500 hp (1120 kW) at 1800 rpmModel ________________________ QSK45Type __________________________ 12 cylinder turbocharged V-engine,
after-cooler,two separate water cooling circuits,direct injection system
Displacement ____________ 45 l/2745 in3
Bore/Stroke ________________ 159/190 mm / 6.26/7.48 inEngine cooling system ______ fans driven via hydraulic piston motorAir cleaner ______________________ dry-type air cleaner with pre-cleaner, with
automatic dust ejector, primary and safetyelements
Fuel tank ________________________ 5815 l/1536 galElectrical system
Voltage ______________________ 24 VBatteries ____________________ 4 (+ 2) x 170 Ah/12 VAlternator __________________ 24 V/260 Amp
Engine idling ____________________ sensor controlledElectronic enginecontrol system ________________ engine speed sensing over the entire
engine RPM range. Provides integrationof engine with other machine systems
Option ____________________________ alternate diesel engine or electric motor onrequest
Hydraulic ControlsServo circuit ____________________ independant, electric over hydraulic
proportional controls of each functionEmergency control ______ via accumulator for all attachment func-
tions with stopped enginePower distribution ____________ via monoblock control valves with inte -
grated primary relief valves and flanged onsecondary valves
Flow summation ________ to attachment and travel driveControl functions
Attachment andswing ________________________ proportional via joystick leversTravel ________________________ proportional via foot pedals or hand leversBottom dump bucket __ proportional via foot pedals
Hydraulic SystemHydraulic pumps
for attachment andtravel drive ________________ 4 variable flow axial piston pumpsMax. flow __________________ 4 x 754 l/min. / 4 x 199 gpmMax. hydr. pressure ____ 320 bar/4640 psi
Hydraulic tank capacity ____ 2200 l/581 galHydraulic systemcapacity __________________________ 4200 l/1110 galHydraulic oil filter ______________ filtration of entire return flow, 1 high
pressure filter for each main pumpHydraulic oil cooler __________ 2 separate coolers, 2 temperature
controlled fans driven via hydraulic pistonmotor
UppercarriageDesign ____________________________ torque resistant designed upper frame in
box type construction for superior strengthand durability
Attachment mounting________ parallel longitudinal main girders in box-section construction
Catwalks ________________________ on the left side with a hydraulically drivenaccess ladder, catwalks in front of thepumps and in the counterweight, additionalemergency ladder in front of the cab
Service FlapDesign ____________________________ hydraulically actuated service flap, with
lighting easily accessible from ground levelto 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
large windows for all around visibility,integrated falling object protection FOPS
Operator’s seat ________________ suspended, body-contoured with shockabsorber, adjustable to operator’s weight
Cabin windows ________________ 20,5 mm/0.8 in tinted armored glass forfront window and right hand side windows,all other windows in tinted safety glass,high pressure windshield-washer system75 l/20 gal watertank,steel sun louvers on all windows
Heating system/Air conditioning ________________ 1 heating system + air conditioning (double
unit optionally available)Cabin pressurization ________ ventilation with filterControls __________________________ joystick levers integrated into armrest of
seatMonitoring ______________________ via LCD-Display, data memoryAutomatic engineshut off ____________________________ engine self-controlled shut offDestroking of mainpumps ____________________________ in case of low hydraulic oil levelSafety functions ______________ additional gauges with constant display for:
engine speed, hourmeter, voltmeter, safetymode for engine speed control and pumpregulation
Central Lubrication SystemType ________________________________ Lincoln Centromatic lubrication system, for
the entire attachment and swing ringGrease pumps ________________ Lincoln Powermaster pump plus separate
pump for swing ring teethCapacity __________________________ 200 l/52.8 gal bulk container for attachment
and swing ring, separated 80 l/21 gal bulkcontainer for swing ring teeth
Refill ______________________________ via the service flap for both containers.Fill line with grease filters
Arctic KitElectrical Preheating prior to EngineStart
The hydraulic excavator can be preheated with an external electric powersupply (80 kW, 400 V, 50 Hz). The electric power supply must be connectedto the excavator through a connector situated on the cab elevation. The following heating equipments are installed on the excavator and each heateris designed to heat a part of the machine:Electrically driven waterengine preheater units ________ 2 preheaters from 4 kW
automatic preheating/warm keeping (ownthermostat) of coolant of diesel engine
Electrically driven warmair blowers ________________________ 6 blowers from 3 kW
automatic warm keeping (blowers with ownthermostat) of the ambient air temperature inpumps compartment, main valves compart-ment, cab elevation and engine compartment,warm keeping of the hydraulic piloting unitsand electric boxes
Electrical oil heater unitsin the hydraulic tank ______ 7 resistors from 2 kW
automatic preheating/warm keeping (ownthermostat) of hydraulic oil in the hydraulic tank
in the splitterbox __________ 2 resistors from 500 Wautomatic preheating/warm keeping (ownthermostat) of splitterbox oil
in the engine oil pan ______ 4 resistors from 500 Wautomatic preheating/warm keeping (ownthermostat) of engine oil
in the suction pipes ______ 2 resistors from 500 Wautomatic preheating/warm keeping (ownthermostat) of hydraulic oil in the suction pipes
Electrical heating cabinwindows __________________________ filaments in the windshield and all the side
windowsautomatic defrosting of the cabin windows
Electrical cabin preheater ____ 1 preheater from 3 kWautomatic preheating/warm keeping (ownthermostat) of the cabin
Heating covers around thegrease containers ______________ automatic preheating/warm keeping (own
thermostat) of the greasing tankHeating covers around thebatteries __________________________ automatic preheating/warm keeping (own
thermostat) of batteries24 V resistor heating __________ resistors from 20 W and 150 W
automatic heating and drying of electric boxesand operator’s seat
Two forced circulatingheating system __________________ 2 preheaters from 9 kW
automatic preheating/warm keeping of allworking pumps, slew pumps, fan pumps, slewmotors, drive motors and valves blocs
Fuel preheater __________________ heat exchanger with warm engine coolant,preheated fuel at the entry of the engine
Features of the Electrical PreheatingSystem
Electrical system is designed corresponding to europeen standards400 V/230 V/50 Hz. Optionally the system can be delivered corre spond ingto CSA standards.– Different components with CSA approval– Different tension and frequency 440 V/254 V/60 HzSafety IT-System ________________ isolated ground, monitoring of: short circuit,
overload, isolation; system reactions: warning(acoustical/optical), shut down
Battery charge __________________ continuously during standstill24 V board network ____________ continuous power supplyAccessory parts ________________ additional alternator to ensure 100 % lighting
and heating, additional battery pack foremergency lighting
Electrical Heating After Engine Start(without Electrical Supply)
Continuous flushing of swing and travel motors with an additional gearpump, in order to supply oil at operating temperature even if travel or swingfunctions are not actuated.Continuous preheating fuel with a warm engine coolant heat exchanger.
Stand-by Heating OperationIf the machine is turned off for more than one hour and the ambient air temperature is below –10 °C, connect the external generator set to start theheaters (auto-regulated) in order to maintain the excavator in predefinedtemperature and to be able to restart quickly.Heated areas ____________________ operator’s cab, cab elevation, valve bank
watercooler pumps, batteries, travel, swingmotors, main valves blocks, electrical boxesand joysticks, grease pumps and control valves
Steel ConstructionThe steel structures of the Liebherr standard excavators are good for–40 °C. Minimum required are Charpy impact values of 27 joule at minimumambient temperature.Liebherr requirements:for steel plates LH 380 ________ 36 Joule at –40 °Cfor casting partsfor mining ________________________ AOD (Argon Oxygen Decarburizing) or
VLS (Very Low Sufur) steel > 60 Joule at –20 °C
Operator’s CabDesign ____________________________ increased thermal insulation at walls, roofs
and cab floorHeating system__________________ heating capacity adapted to arctic conditions,
windshield and front side windows pre heatedto defrost, and also insulation glass, heatedoperator’s seat (minimum temperature insidethe operator’s cab during standstill + 15 °C/+ 59 °F)
Controls __________________________ electrical boxes and joysticks equipped with24 V electrical heating elements
InsulationThermal insulatedcomponents ______________________ complete power pack, main control valve
compartment, hydraulic tank module, fueltank and cab elevation, battery compartment,cab roof, floor and walls, grease containers
Closed carbody openings ____ mechanically adjustable louvers to isolate theexcavator– in front of engine radiator– in front of hydraulic radiator
Snow protection forengine air filter intake __________ optional air intake from the engine compart-
ment is possible
Central Lubrication SystemDesign ____________________________ thermal insulated grease containers, large
nominal width for all grease lines, specialinjector for cold climate
Heated components __________ electro thermal wrap around, both grease con-tainers
Additionnal MeasuresLow temperatureadapted lubricants ____________ for uppercarriage, for undercarriageUndercarriage componentsin –40 °C version ________________ accumulators, track tensioning cylinder,
(standard track roller are good for – 40 °C)Uppercarriage componentsin –40 °C version ________________ splitter box, gear pumps, accumulators,
fan drive motorsAttachment ______________________ use of special low temperature hoses for upper-
Capacity SAE heaped m3/yd3 15,30/20 17,00/22.2 18,00/23.5Weight kg/lb 17000/37,480 17790/39,220 18155/40,020Suitable for material up to a specific weight of t/m3/lb/yd3 2,10/3,570 1,90/3,230 1,80/3,000Wear kit level II II II
1) Bucket with delta cutting edge and tooth system Posilok size S 95.Wear kit level II: For heavy rock, not deteriorated or cracked. Has to be shot to be dug.
Additional buckets on request.
R 9350 Arctic 7
Shovel Attachmentwith Shovel Boom 6,75 m/22’2” and Stick 4,20 m/13’8”
Capacity SAE heaped m3/yd3 15,30/20 17,00/22.2 18,00/23.5Weight kg/lb 30000/66,140 31000/68,340 31500/69,450Suitable for material up to a specific weight of t/m3/lb/yd3 2,10/3,570 1,90/3,230 1,80/3,000Wear kit level II II II
1) Bottom dump bucket with delta cutting edge and tooth system Posilok size S 95.Wear kit level II: For heavy rock, not deteriorated or cracked. Has to be shot to be dug.
All illustrations and data may differ from standard equipment. Subject to change without notice. All indicated loads are based in accordance with ISO 9248.
The Liebherr Group of Companies
Wide product rangeThe Liebherr Group is one of the largest constructionequipment manufacturers in the world. Liebherr’s high-value products and services enjoy a high reputation inmany other fields, too. The wide range includes domes -tic appliances, aerospace and transportation systems,machine tools and maritime cranes.
Exceptional customer benefitEvery product line provides a complete range of modelsin many different versions. With both its technical excel -lence and acknowledged quality, Liebherr products offera maximum of customer benefits in practical application.
State-of-the-art technologyTo provide consistent, top quality products, Liebherr attaches great importance to each product area, its components and core technologies. Important modulesand components are developed and manu factured in-house, for instance the entire drive and control techno -logy for construction equipment.
Worldwide and independentHans Liebherr founded the Liebherr family company in1949. Since that time, the enterprise has steadily grown toa Group of 100 companies with over 30,000 employees located on all continents. The corporate headquarters ofthe Group is Liebherr-International AG in Bulle, Switzerland.The Liebherr family is the sole owner of the com pany.