Liebherr R 995 User Manual

Mining Excavator R 995

Operating Weight with Backhoe Attachment: 441.000 kg / 972,200 lb with Shovel Attachment: 450.000 kg / 992,100 lb Engine Output: 1.600 kW / 2,140 HP Bucket Capacity @ 1,8 t/m Shovel Capacity @ 1,8 t/m3 / 3,000 lb/yd3: 26,50 m3 / 34.7 yd

/ 3,000 lb/yd3: 26,50 m3 / 34.7 yd

Technical Data

Engine

1 MTU diesel engine Rating per SAE J 1995 Model Type

Displacement Bore/Stroke Engine cooling system Air cleaner

Fuel tank Electrical system Voltage Batteries Alternator Engine idling Electronic engine control system

��

Hydraulic System

Hydraulic pumps for attachment and travel drive Max. flow

��

Max. hydr. pressure Hydraulic pumps for swing drive

Max. flow Max. hydr. pressure Pump management

��

Hydraulic tank capacity Hydraulic system capacity Hydraulic oil filter

Hydraulic oil cooler

��

Electro-Hydraulic Controls

Servo circuit

Emergency control

Power distribution

Flow summation Control functions Attachment and Swing Travel Bottom dump bucket

��

1.600 kW/2,140 HP at 1,800 rpm MTU 16 V 4000 E 20 (Tier 1) 16 cylinder turbocharged V-engine,

after-cooled, two separate water cooling circuits, common-rail direct injection system

65 l/3,967 in

165/190 mm / 6.5/7.48 in fans driven via hydraulic piston motor dry-type air cleaner with pre-cleaner, with

automatic dust ejector, primary and safety elements

10.000 l/2,640 gal

24 V 8 x 170 Ah/12 V 24 V/240 Amp sensor controlled

engine speed sensing over the entire

engine RPM range. Provides integration of engine with other machine systems

6 variable flow axial piston pumps 6 x 840 l/min. / 6 x 222 gpm

��

320 bar/4,640 psi

4 reversible swash plate pumps, closed-

loop circuit

4 x 361 l/min. / 4 x 95.4 gpm

��

350 bar/5,076 psi electronically controlled pressure and flow

management with oil flow optimisation

��

3.030 l/800 gal

6.400 l/1,690 gal 1 high pressure safety filter after each high

pressure pump + fine filtration of entire return flow (15/5 μm)

2 separate coolers, 3 temperature

controlled fans driven via hydraulic piston motors

independent, electric over hydraulic

proportional controls of each function

via accumulator for all attachment func-

tions with stopped engine

via monoblock control valves with inte-

grated primary relief valves and flanged on secondary valves for travel

to attachment and travel drive

proportional via joystick levers proportional via foot pedals or hand levers

��

proportional via foot pedals

Electric System

Electric isolation Working lights

Emergency stop switches

Electrical wiring

��

easy accessible battery isolations high brightness halogen lights:

– 4 on working attachment – 2 on LHS of uppercarriage – 2 on RHS of uppercarriage – 2 on counterweight Xenon lights in option

��

at ground level, in hydraulic compartment,

in engine compartment and in operator cab

heavy duty execution in IP 65 standard for

operating conditions of – 50 °C to 100 °C/ – 58 °F to 212 °F

Swing Drive

Hydraulic motor Swing gear Swing ring

Swing speed Swing-holding brake

��

4 Liebherr axial piston motors 4 Liebherr planetary reduction gears Liebherr, sealed triple roller swing ring,

internal teeth 0 – 3.7 rpm hydraulically released, maintenance-free,

multi-disc brakes integrated in each swing

gear

Uppercarriage

��

Design

torque resistant designed upper frame in

box type construction for superior strength

and durability

Attachment mounting

Machine access

��

parallel longitudinal main girders in box-

section construction on the cab side with a hydraulically driven

access ladder, additional emergency ladder

in front of the cab

Service Flap

��

Design

– 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

– attachment/swing ring bearing grease

– windshield washer water refilling Quick coupler upon request

hydraulically actuated service flap, easily

accessible from ground level to allow:

grease filter

barrel refilling via grease filter

2 R 995

Technical Data

Operator’s Cab

��

Design

Operator seat

Cabin windows

Heating system/ Air conditioning

Cabin pressurization Controls

Monitoring Rear vision system

Automatic engine shut off

Destroking of main pumps

Safety functions

Noise level (ISO 6396)

��

resiliently mounted, sound insulated,

large windows for all-around visibility, integrated falling object protection FOPS

suspended, body-contoured with shock

absorber, adjustable to operator’s weight

20,5 mm/0.8 in tinted armored glass for

front window and 18 mm/0.7 in for right hand side windows, all other windows in tinted safety glass, high pressure windshield-washer-system with 75 l/20 gal watertank, sun louvers on all windows in heavy duty design

heavy duty, high output air conditioner and

heater unit

��

ventilation unit with filters joystick levers integrated into armrest of

seat via LCD-Display, data memory camera installation on counterweight and

right-hand side of the uppercarriage dis-

played over an additional LCD-display

in case of low engine oil pressure or low

coolant level

in case of engine overheating or low

hydraulic oil level additional gauges with constant display for:

engine speed, hourmeter, engine oil pres-

sure, coolant temperature, hydraulic oil

temperature

��

LpA (inside cab) = 77 dB(A)

with oil/water fans at 100 % and AC fan at

65 %

Central Lubrication System

��

Type

Grease pumps

Capacity

��

Refill

��

Attachment

��

Design

��

Pivots

Hydraulic cylinders

Hydraulic connections

Kinematics

��

Lincoln Centromatic lubrication system for

the entire attachment/swing ring bearing and teeth

2 Lincoln Powermaster pumps with switch

over function, 1 Lincoln Flowmaster pump for swing ring teeth lubrication

600 l/158 gal bulk container for attach-

ment/swing ring bearing, separated 80 l/21 gal container for swing ring teeth

via the service flap for both containers with

grease filters

box type structure with large steel castings

in all high-stress areas

sealed with double side centering with

1 single floating pin per side, all bearings with wear resistant, steel bushings, bolts hardened and chromium-plated

Liebherr design, all cylinders located in well

protected areas

��

pipes and hoses equipped with SAE split

flange connections

Liebherr parallel face shovel attachment

geometry

Undercarriage

��

Design

Hydraulic motor Travel gear Travel speed Parking brake

Track components

Track rollers/ Carrier rollers Automatic track tensioner

Transport

��

3-piece undercarriage,

box type structures for center piece and

side frames,

stress relieved 2 axial piston motors per side frame Liebherr planetary reduction gear 0 – 2,7 km/h / 0 – 1.67 mph spring engaged, hydraulically released wet

multi-disc brakes for each travel motor,

maintenance-free maintenance-free combined pad-link,

shovel style double grouser pad

7/3 per side frame

��

pressurized hydraulic cylinder, 1 per side

frame with accumulator, maintenance free undercarriage side frames are removable

R 995 3

+ 7 hidden pages