Technical data, Complete machine, Engine – Liebherr LH 80 C Litronic User Manual
Page 2: Hydraulic system, Hydraulic controls, Uppercarriage, Swing drive, Operator’s cab, Undercarriage, Attachment

2
LH 80 C Litronic Machine for Industrial Applications
Technical Data
Complete Machine
Lubrication
�������������������������
central lubrication system for uppercarriage and
attachment, automatically
Engine
Rating per ISO 9249
���������������
230 kW (313 HP) at 1,700 RPM
Model
�������������������������������
Liebherr D936 according to stage IIIB / Tier 4i
Type
���������������������������������
6 cylinder in-line
Bore/Stroke
�������������������
122/150 mm
Displacement
�����������������
10.5 l
Engine operation
�������������������
4-stroke diesel
Common-Rail
turbo-charged and after-cooled
reduced emissions
Harmful emissions values
���������
in accordance with 97/68/EG stage IIIB
Emission control
�������������������
Liebherr particle filter
Cooling
������������������������������
water-cooled with integrated motor oil cooler
Air cleaner
��������������������������
dry-type air cleaner with pre-cleaner, primary and
safety elements
Fuel tank
����������������������������
910 l
Engine idling
������������������������
sensor controlled
Electrical system
Voltage
������������������������
24 V
Batteries
����������������������
2 x 170 Ah/12 V
Alternator
���������������������
three phase current 28 V/100 A
Hydraulic System
Hydraulic pump
for attachment
and travel drive
���������������
two Liebherr variable flow, swashplate pumps
(double construction)
Max. flow
����������������������
2 x 350 l/min.
Max. pressure
����������������
350 bar
Hydraulic pump
regulation and control
�������������
electro-hydraulic with electronic engine speed
sensing regulation, pressure compensation, flow
compensation, automatic oil flow optimizer
Hydraulic pump
for swing drive
����������������
reversible, variable flow, swashplate pump, closed-
loop circuit
Max. flow
����������������������
185 l/min.
Max. pressure
����������������
380 bar
Hydraulic tank
����������������������
390 l
Hydraulic system
������������������
910 l
Hydraulic oil filter
������������������
2 main return filters with integrated partial micro
filtration (5 μm)
Hydraulic oil cooler
����������������
cooling system, consisting of a cooling unit for water
and charge air and a 2
nd
cooler for hydraulic oil, each
with an infinitely variable, thermostatically controlled
fan drive system
MODE selection
��������������������
adjustment of engine and hydraulic performance via
a mode pre-selector to match application, e.g. for
especially economical and environmentally friendly
operation or for maximum material handling and
heavy-duty jobs
S (Sensitive)
�������������������
for precision work and lifting through very sensitive
movements
E (ECO)
������������������������
for especially economical and environmentally friendly
operation
P (Power)
����������������������
for maximum digging power and heavy duty jobs
Tool Control
������������������������
ten preadjustable pump flows and pressures for add
on tools
Hydraulic Controls
Power distribution
�����������������
via control valves in single block with integrated
safety valves
Servo circuit
Attachment and swing
�������
with hydraulic pilot control and proportional joystick
levers
Travel
��������������������������
with proportionally functioning foot pedals or adjusted
with a plugable lever
Additional functions
���������������
via switch or electroproportional foot pedals
Option
�������������������������������
proportional control, proportionally acting transmitters
on the joysticks for additional hydraulic functions
Uppercarriage
Type
���������������������������������
slewing platform made from high-strength steel plate,
designed for the toughest requirements
Swing Drive
Drive
��������������������������������
Liebherr swashplate motor in a closed system with
integrated brake valve
Transmission
�����������������������
Liebherr planetary reduction gear
Swing ring
��������������������������
Liebherr, sealed single race ball bearing swing ring,
internal teeth
Swing speed
�����������������������
0 – 6.4 RPM stepless
Swing torque
�����������������������
154 kNm
Brake
��������������������������������
holding brake (spring applied – pressure released)
Option
�������������������������������
pedal controlled positioning swing brake
Operator’s Cab
Cab
����������������������������������
safety cab structure with individual windscreens or
featuring a slide-in subpart under the ceiling, work
headlights integrated in the ceiling, a door with a side
window (can be opened on both sides), large stowing
and depositing possibilities, shock-absorbing suspen-
sion, sounddamping insulating, tinted laminated
safety glass, separate shades for the sunroof window
and windscreen
Operator’s seat Standard
���������
air cushioned operator’s seat with headrest, lap belt,
seat heater, manual weight adjustment, adjustable
seat cushion inclination and length and mechanical
lumbar vertebrae support
Operator’s seat Comfort
(Option)
�����������������������������
in addition to operator’s seat standard: lockable hori-
zontal suspension, automatic weight adjustment,
adjustable suspension stiffness, pneumatic lumbar
vertebrae support and passive seat climatisation with
active coal
Operator’s seat Premium
(Option)
�����������������������������
in addition to operator’s seat comfort: active elec-
tronic weight adjustment (automatic readjustment),
pneumatic low frequency suspension and active seat
climatisation with active coal and ventilator
Control system
���������������������
joysticks with arm consoles and swivel seat
Operation and displays
�����������
large high-resolution operating unit, selfexplanatory,
colour display with touchscreen, video-compatible,
numerous setting, control and monitoring options,
e.g. air conditioning control, fuel consumption,
machine and tool parameters
Air-conditioning
��������������������
automatic air-conditioning, recirculated air function,
fast de-icing and demisting at the press of a button,
air vents can be operated via a menu; recirculated air
and fresh air filters can be easily replaced and are
accessible from the outside; heating-cooling unit,
designed for extreme out-side temperatures, sensors
for solar radiation, inside and outside temperatures
Noise emission
ISO 6396
����������������������������
L
pA
(inside cab)
= 71 dB(A)
2000/14/EC
�������������������������
L
WA
(surround noise) = 105 dB(A)
Undercarriage
Versions
����������������������������
EW, SW
Type
���������������������������������
torsion-resistant box design made from high-strength
steel plate, designed for the toughest requirements
Drive
��������������������������������
per side of undercarriage one Liebherr swashplate
motor with brake valves acting on both sides
Travel speed
�����������������������
0 – 4.8 km/h stepless
0 – 3.3 km/h stepless (creeper speed)
Track components
�����������������
D 7 G, maintenance-free
Track pads
�������������������������
triple grouser, flat
Holding brake
����������������������
wet, maintenance-free multi disc brakes
Attachment
Type
���������������������������������
high-strength steel plates at highlystressed points for
the toughest requirements. Complex and stable
mountings of attachment and cylinders.
Hydraulic cylinders
����������������
Liebherr cylinders with special seal system.
Shock absorption
Energy recovering cylinder
��������
Liebherr gas cylinder with special sealing and control
system
Bearings
����������������������������
sealed, low maintenance