Technical data, Engine, Hydraulic system – Liebherr R 9150 User Manual

Page 16: Electro-hydraulic controls, Electric system, Swing drive, Uppercarriage

Advertising
background image

16

R 9150

Technical Data

Engine

1 Liebherr diesel engine

Rating per ISO 9249

���������

565 kW/757 HP at 1,800 rpm

Model

�����������������������������

Liebherr D9512

(USA/EPA Tier 2 or fuel consumption

optimized setting)

Type

�������������������������������

V12 cylinder engine

Bore/Stroke

����������������

128/157 mm / 5.04/6.18 in

Displacement

�������������

24,24 l/1,479 in

3

Engine operation

��������������

4-stroke diesel

common-rail direct injection

turbo-charged

Cooling

���������������������������

water-cooled, hydrostatic fan drive

Air cleaner

�����������������������

dry-type air cleaner, primary and safety

elements, automatic dust discharge

Fuel tank

�������������������������

1.984 l/524 gal

Engine idling

��������������������

automatic idle control

Electrical system

Voltage

����������������������

24 V

Batteries

��������������������

4 x 75 Ah/12 V

Starter

�����������������������

24 V/2 x 8.4 kW

Alternator

�������������������

24 V/140 A

RPM adjustment

��������������

step by step via rpm selector

Hydraulic System

Hydraulic pump

for attachment and

travel drive

�����������������

3 Liebherr variable flow axial piston pumps

Max. flow

�������������������

3 x 512 l/min. / 3 x 135 gpm

Max. pressure

������������

350 bar/5,076 psi

Pump management

����������

electronically controlled pressure and flow

management with oil flow optimisation

Hydraulic pump

for swing drive

������������

1 Liebherr reversible swash plate pump,

closed-loop circuit

Max. flow

�������������������

635 l/min. / 168 gpm

Max. pressure

������������

380 bar/5,511 psi

Hydraulic tank

������������������

1.200 l/317 gal

Hydraulic system

��������������

1.600 l/423 gal

Hydraulic oil filter

��������������

1 high pressure safety filter after each high

pressure pump + extra-fine filtration of

entire return flow with integrated by-pass

filtration (15/5 μm) + dedicated leak-oil

filtration

Hydraulic cooler

���������������

1 separated cooler, temperature controlled

fan driven via 1 hydraulic piston motor

MODE selection

���������������

adjustment of machine performance and

the hydraulics via a mode selector to match

application

ECO

��������������������������

for economical operation (can be combined

with fuel optimized setting)

POWER

���������������������

for maximum digging power and heavy

duty jobs

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 inte-

grated primary relief valves and secondary

valves

Flow summation

���������

to attachment and travel drive

Closed-loop circuit

�����

for uppercarriage swing drive

Control functions

Attachment and

swing

������������������������

proportional via electronic joystick levers

Travel

������������������������

proportional via electronic pedals or

removable hand levers

Shovel flap functions

���

proportional via electronic pedals

Electric System

Electric isolation

���������������

easy accessible battery isolators

Working lights

������������������

high brightness halogen lights:

– 2 on working attachment

– 1 on RHS of uppercarriage

– 1 on LHS of uppercarriage

Xenon or LED lights in option

Emergency stop switches

��

in the cab and in engine compartment

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

Drive by

���������������������������

2 Liebherr axial piston motors

Transmission

��������������������

2 Liebherr planetary reduction gears

Swing ring

�����������������������

Liebherr, sealed single race ball bearing

swing ring, internal teeth

Swing speed

��������������������

0 – 6.5 rpm

Parking brake

�������������������

wet multi-disc brakes, spring applied,

hydrau lically released

Uppercarriage

Design

����������������������������

torque resistant modular design upper

frame

Attachment mounting

�������

parallel length girders

Catwalks

�������������������������

large catwalk on the left-hand side with

retractable ladder

NTB_R9150_T_enGB-US_Druck.indd 16

11.06.14 11:05

Advertising