Liebherr A 902 Excavator Operation & Maintenance Manual – PDF DOWNLOAD
FILE DETAILS:
Liebherr A 902 Excavator Operation & Maintenance Manual – PDF DOWNLOAD
Language : English
Pages : 90
Downloadable : Yes
File Type : PDF
DESCRIPTION:
Liebherr A 902 Excavator Operation & Maintenance Manual – PDF DOWNLOAD
FOREWORD:
This manual, primarily for the Operator and Maintenance Crew, contains essential information and instructions on the operation and preventive maintenance of the LIEBHERR A 902 Excavator.
- Your LIEBHERR A 902 Excavator will serve you faithfully in whatever task you perform if you follow and adhere to the instructions given in this manual.
- This manual should be given to the operator, who should read it carefully before operating the Excavator. Leave the manual with the machines as a reference.
- Proper service and preventive maintenance is very important. We hope for your understanding that we cannot honor warranty claims if the damage or failure is caused by improper operation and/or inadequate maintenance.
TABLE OF CONTENTS:
Liebherr A 902 Excavator Operation & Maintenance Manual – PDF DOWNLOAD
DI MENSIONS1-11- 111
TRANSPORT DIMENSIONS IV- VII
TECHNICAL DATA1
Engin e : Air cleaner, coupling 1
Hydraulic system: Hydraulic pump, control valves1
Servo control, servo oil pump 1
Hydraulic oil – cooling system, hydraulic oil filters 1
Compressed air system2
Swing gear2
Electrical system
Heater 2
Fuel system 2
Rotary connection 2
Travel drive 2
Brakes2
Tyres2
Travelling speeds 2
CAPACITIE S3
FILTER ELEMEN TS4
V-BELTS 4
TECHNICAL FEATURES5
Engine, hydraulic system and controls 5
Hydroil cooler , fuel system, swing drive , compressed ai r system, steeri ng 6
Travel drive, travelling brakes , cab 7
Heating and fresh air supply, sound insulation, locking of the upper8
ACCIDENT PREVENTION 9
Oberlastwarneinrichtung 10- 11 a
PRE STARTING INSTRUCTIONS 12
Engine oil level , tension V-belt compressor, electrical system· 12
Rese rve fuel, air cleaner, oi l level in hydrtank 13
CONTROLS AND INSTRUMENTATION IN THE CAB 14- 16
OPERATING INSTRUCTIONS 17
Starting the machine 17
Posi t ions of the igni t ion key 17
Procedure with preheating for ambient temperatures down to – 1 2 °C / 1 O °F 18
Procedure w ith preheating for ambient temperatures down to – 1 8 °C / O °F18
Engin shut: 18
Operator’s sea t19
Travelling · 20
Open the travel brake (hand brake) ; 20
Selection of reduction : 20
T ravel · – ·;· ,20
Brakes 21
Mechanical locking of upper deck21
Oscillating axle l ock 22
Operation of outriggers and of dozing blade 22 ·
Hazard warning signal flashers23
Switching off the servo-control when travelling on road : 23
OPERATING PROCEDURES 24
Position of the machine during operation : 24
Operation of the joysticks -• 24
Control of the boom cylinders 24
Control of the bucket cylinder or crowd cylinders • 25
Control of the arm·; -25
Swing drive, swing brake 26
Operating the hydr hammer and grappl e swive l, cock-boom cylinder, • 27
Cab heater and ventilation , 28
Operating the heater system, fresh air supply 28
MACHINE MAINTENANCE 30
Diesel engine, swing and travel brakes30
Hub brakes31
Parking brake (digging lock) 32
Swing gear 33
Axles : King pins, oscillating axle – blocking cylinder 33
The hydraulic system34
Hydraulic oil cooler, cleaning the filter, changing the filter element 34
Repairs on the hydraulic system 35
Suction hose from hydr tank to double pump 35
Servo (pilot) control valves36
Cleaning the pressure filter 36
The air pressure system 36
Working pressure, cleaning the air pressure system 36
Compressor, dual air gauge, tire inflation37
Anti-Freeze pump, draining the air tanks 38
ENGINE DRY AIR FILTER 39
Cleaning the filter element 39
Dry cleaning 40
Wet cleaning, safety element 41
THE ELECTRIC SYSTEM 42
Battery care, replacing of fuses 42
THE HEATING SYSTEM 43
AUTOMATIC SWING RING LUBRICATION 43
REPLACING OF SPARE PARTS 43
TRAVEL ON ROADS 44
TRANSPORTING THE EXCAVATOR ON A LOW-LOADER44
FUSE BOX 45-46
Control console 45
Junc1ion box 46
SERVICE CHART 47-51
daily 47
every 2 50 hours 48-49
after 500 hours50
every 500 hours 50
every 1 000 hours51
every 2000 hours •51
FITTING AND REMOVING OF ATTACHMENTS52-59
Boom an basic boom ••52
Arm on boom 54
Hoe bucket, trench cleaning bucket, special loading shovel 56
Grab on atm · 58
ELECTRICAL SYSTEM 61
LUBRICANT CHART
Capacities, time intervals
VIDEO PREVIEW OF THE MANUAL:
IMAGES PREVIEW OF THE MANUAL:
PLEASE NOTE:
- This is the SAME exact manual used by your dealers to fix your vehicle.
- The same can be yours in the next 2-3 mins as you will be directed to the download page immediately after paying for the manual.
- Any queries / doubts regarding your purchase, please feel free to contact [email protected]
S.V