Liebherr ER 974B Litronic Excavator Operation & Maintenance Manual – PDF DOWNLOAD

Description

Liebherr ER 974B Litronic Excavator Operation & Maintenance Manual – PDF DOWNLOAD

FILE DETAILS:

Liebherr ER 974B Litronic Excavator Operation & Maintenance Manual – PDF DOWNLOAD

Language : English
Pages : 97
Downloadable : Yes
File Type : PDF

DESCRIPTION:

Liebherr ER 974B Litronic Excavator Operation & Maintenance Manual – PDF DOWNLOAD

FOREWORD:

This manual is primarily for the operator and the maintenance crew and contains information which is vital to the correct and secure operation and proper maintenance of the LIEBHERR excavator.

It includes:

– Accident Prevention Guidelines
– Operating Instructions
– Maintenance Instructions.

This Operation and Maintenance manual should be given to the OPERATOR and any other person, who might work on the machine. It is very important that should read the manual carefully before operating or working on the LIEBHERR
excavator and at regular intervals thereafter, for example:

The manual will make it easier for the operator to get accustomed to the hydraulic excavator and to prevent any problems due to improper handling.

• All maintenance personnel should follow the operating and maintenance instructions and your LIEBHERR excavator will give you constant and reliable service with excellent performance, reducing repair costs and down time.
• In addition to the operating and maintenance guidelines in this manual, additional local and national accident prevention guidelines and environmental regulations might be applicable and must be observed.
• The Operation and Maintenance Manual is part of the machine and should be left in the glove compartment of the operator’s cab.
• Please take notice that we cannot honor any claims which could arise due to careless handling, improper operation, inadequate maintenance, use of unauthorized oils or lubricants, non-observance of the safety instructions, etc.
• LIEBHERR reserves the right to cancel any warranty claims, service contracts etc. without prior notice if any other than Original LIEBHERR parts or parts sold by LIEBHERR are being used for maintenance and repairs.
• This Operation and Maintenance manual contains all necessary information to operate and maintain your Litronic excavator. However, should you need additional information or explanations, please contact LIEBHERR’s Technical Documentation, Service school or Customer Service Department.

TABLE OF CONTENTS:

Liebherr ER 974B Litronic Excavator Operation & Maintenance Manual – PDF DOWNLOAD

foreword01
Index 03
Information to the operation and maintenance manual 05
1/ MACHINE DESCRIPTION, TECHNICAL DATA
Machine description, t echnical da ca11
Digging envelope for backhoe attachment16
Lift capacities 17
Dimensions, operating weights110
2/ SAFETY INFORMATION
General safety information 21
Crushing and burn prevention 23
Fi re and explosion prevention 23
Machine start up safety 23
Engine start up and operating safety 24
Machine operating safety24
Machine parking safety 25
Machine transporting safety 25
Machine towing safety26
Machine maintenance safety26
Safety informations for electrical systems211
Safety guidelines to connect and start up this electric machine 212
3/ CONTROLS AND INSTRUMENTATION
The operator’s seat31
Controls and instrumentation in the cab 32
Control and instrument panel 34
4/ OPERATING PROCEDURES
Before initial start up 41
Pre starting inspection42
Machine start up safety 43
Electric motor operation44
Machine operating safety47
Travel functions· 48
Location of the two joysticks 410
Control of the swing 410
Attachment control 412
The heater 416
Transporting the excavator on flatbed trai lers or railway cars419
Towing the e xcavator420
Guidelines for hydraulic excavators when they are used for lifting loads 428
The overload warning device 429
03
5/ LUBRICATION
General safety information 5 1
lubricant and fuel chart 52
Lubricant and fuel specifications 54
Lubrication chart 510
The electrical motor 511
Changing the oil in the splitterbox 514
Changing the oil in the travel gear 515
Changing the oil in the swing gear 515
Oil in the hydraulic system 516
Swing ring lubrication517
Lubrication of attachment bearing points518
Centralized lubricating system (Optional equipment) 519
6/ MAINTENANCE
1/
Machine maintenance safety 61
The electrical motor64
The track components 68
The hydraulic system 61 O
The swing and travel brakes 6 14
Checking mounting screws for tightness 615
The electrical rotary connection616
The electrical system 618
Replacing wear and tear items 621
Welding 621
Maintenance schedule 623
This chapter intentionnally blank
8/ OPTIONAL ATTACHMENT
Air cushioned driver’s seat 81

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