Liebherr Crawler excavator R902 Operation and maintenance manual – PDF DOWNLOAD
IMAGES PREVIEW OF THE MANUAL:
FILE DETAILS:
Liebherr Crawler excavator R902 Operation and maintenance manual – PDF DOWNLOAD
Language : English
Pages : 104
Downloadable : Yes
File Type : PDF
Size: 31.0 MB
DESCRIPTION:
Liebherr Crawler excavator R902 Operation and maintenance manual – PDF DOWNLOAD
INTRODUCTION
- This manual has been prepared to acquaint you with the operation and maintenance of your LIEBHERR machine.
- It contains important safety information, as well as valuable reference data such as capacities and tightening torques. Unless specific values are given, all threaded connections should be tightened according to the torque charts.
- The descriptions in this manual are brief and precise. They are supported by photographs and drawings. All information is intended to simplify maintenance procedures.
- WE URGE YOU TO READ THIS MANUAL CAREFULLY. Correct maintenance procedures will give the machine a long service life. Before starting a job, you must read the applicable section of the manual and know the maintenance procedure to be performed. It is essential to keep the machine, parts, tools, and your working area clean and orderly. Following the recommendations in this manual will help make your LIEBHERR equipment profitable, safe, and trouble-free.
- To determine service intervals, use the hour meter. However, calendar intervals (daily, weekly, etc.) sometimes provide a more convenient method of scheduling required maintenance.
- Under severe conditions such as extremely high or low temperatures, dusty or wet job sites, etc., more frequent maintenance than indicated by the schedule may be necessary.
- Some drawings and photographs in this manual may show details that are different from your machine. Improvements in design may cause changes in your machine not reflected in this manual. All manuals are reviewed and updated periodically to include such design changes.
- Should you have any questions regarding the information in this manual or your LIEBHERR machine, please contact your LIEBHERR dealer. They know your equipment best and are interested in your complete satisfaction.
TABLE OF CONTENTS:
Liebherr Crawler excavator R902 Operation and maintenance manual – PDF DOWNLOAD
TECHNICAL DATA
Basic dimensions I
Transport dimensions II
TECHNICAL DATA
Engine:
Hydraulic system:
Air filter, coupling 1
Hydraulic pump, control valves 1
Servo pump, servo oil pump 1
Hydraulic oil – cooling system 1
Hydraulic oil filters 2
Compressed air system 2
Swing gear 2
Electrical system : 2·
Heater · 2
Fuel system 2
Rotary connection 2
Track components 2
Track adjustment, travel brakes 2
CAPACITIES 3
FILTER ELEMENTS 4
V-BELT · 4
TECHNICAL FEATURES
Engine, hydraulic system and controls 5
Hydr oil cooler, fuel system, swing system, compressed air system, undercarriage 6
Travel drive, travel brakes, cab 7
Heating and fresh air supply, covers and sound suppression, upper carriage (swing) lock 8
SAFETY INFORMATION – Europaeische Version 9-10
U S SAFETY INFORMATION 11-17
OPERATING THE R 902
BEFORE STARTING THE ENGINE
Engine oil level, radiator (coolant level), cooling circuit, electrical system 19
V-belt tension 19
Fuel system, air filter, compressed air system, hydraulic oil level 20
CONTROLS AND INSTRUMENTATION 21-23
DESCRIPTION OF CONTROLS, SYMBOLS, GAUGES – WITH LIEBHERR ENGINE 24/25
DESCRIPTION OF CONTROLS, SYMBOLS, GAUGES – WITH DEUTZ ENGINE 24a/25a
Starting the engine • 24/24a
Key positions 24/24a
Energizing the electrical system (key position 1) 24/24a
Starting the engine at 0°C (32 °F) and above 24/24a
Sta rting the engi ne w/preheat at -1 2 °C ( 10 °F) and above 25
Engine speed (RPM) control 25
En gin e shut off procedure 25
OPERATORS SEAT
Seat ad justment 26
TRAVEL FUNCTIONS
Parking brake function : 27
Travel straight forward • 27
Travel in reverse · 27
Counter rotation, to turn over one track 27
Brake system 28
Uppercarriage (swing) lock 28
ATTACHMENT OPERATION
Working position 29
Pilot (servo) valve functions 29
Pilot (servo) va lve left (swing and stick) 29
Pilot (servo) valve right (boom/outriggers and bucket/clamshell) 30
Swing brake 31
Hydraulic hammer operation 32
Boom lock valve 32
Grapple/clamshell rotator operation 32
VENTILATION AND HEATING
Ventilation and heater operat ion 33
Sunroof (air vent) 34
MAINTENANCE RECOMMENDATIONS
Liebherr diesel engine – engine oil change 37
– cooling and fuel system 38
Bleed f ue l system 39
Swing brake, swing gear, travel drive 41-42
Track components 43
Track tension adjustment, check track pad bolts for tightness 43
Clean ing the tracks, changing the tracks 44
HYDRAULIC SYSTEM
Hydraulic oil cooling system 45
Tank-return oil filter, magnetic rod cleaning, filter change 45
Hydraulic system repairs 46
Suction hose from tank to pump , 46
Bleeding the hydraulic pump 47
Hydraulic cylinders 4 7
Servo system · 4 7
Servo filter 4 7
Cieaning/repl acing of servo filter 4 7
VIDEO PREVIEW OF THE MANUAL:
PLEASE NOTE:
- This is the same manual used by the dealers to diagnose and troubleshoot your vehicle
- You will be directed to the download page as soon as the purchase is completed. The whole payment and downloading process will take anywhere between 2-5 minutes
- Need any other service / repair / parts manual, please feel free to contact [email protected] . We still have 50,000 manuals unlisted
S.M