Liebherr Clamshell GM 58 GM 7C GM 7CHD GM 88 GM 108 GM 208 GM 20C GMZ 50 GMZ 80 GMZ 120 Operator’s manual – PDF DOWNLOAD
FILE DETAILS:
Liebherr Clamshell GM 58 GM 7C GM 7CHD GM 88 GM 108 GM 208 GM 20C GMZ 50 GMZ 80 GMZ 120 Operator’s manual – PDF DOWNLOAD
Language : English
Pages :78
Downloadable : Yes
File Type : PDF
Size:15.3 MB
DESCRIPTION:
Liebherr Clamshell GM 58 GM 7C GM 7CHD GM 88 GM 108 GM 208 GM 20C GMZ 50 GMZ 80 GMZ 120 Operator’s manual – PDF DOWNLOAD
Preface
This operating manual is intended for you as the user of the working tool or as maintenance personnel. It contains warnings, important information, and tips for working with the working tool. It simplifies the process of familiarization and getting to know the working tool and helps to avoid faults caused by incorrect operation. Compliance with the operating manual increases the reliability and service life of the working tool.
The operating manual belongs to the working tool. Make sure that a copy is always kept close at hand at the workplace. Read the operating manual before initial commissioning and subsequently at regular intervals. Everyone who carries out work with or on the working tool must be familiar with and use this operating manual.
Examples of this work:
- Operation including setup and fitting attachments, elimination of faults, care, disposal of fuels, operating fluids, and consumables
- Maintenance including servicing, inspection, and repair
- Transport or loading of the working tool
The owner is responsible for supplementing the operating manual with instructions based on existing national regulations on accident prevention and environmental protection. In addition to this operating manual and the regulations on accident prevention applicable in the user’s country and at the place of use, it is also necessary to comply with recognized technical rules on safety and technically proficient working.
- Some sections of this operating manual do not apply to all working tools. Some illustrations in this operator’s manual may show details and implements that are different from your working tool. In some illustrations, protective devices and covers have been removed to provide a clearer representation.
- Liebherr working tools are subject to continuous development and improvement. This may have resulted in modifications to your working tool which are possibly not referred to in this operator’s manual. If you require further explanations or information, please contact Liebherr customer service.
Liability and warranty
- Due to the wide variety of products offered by other manufacturers (for example, fuels and operating fluids, lubricants, working tools, and spare parts), Liebherr cannot examine the general suitability and absence of defects in third-party products which are used in or on Liebherr products.
- The same applies to possible interactions between third-party products and Liebherr products. Third-party products are used in or on Liebherr working tools at the user’s own discretion.
- Liebherr does not offer any warranty or accept any liability for losses of any kind caused by failures of or damage to Liebherr working tools attributable to the use of third-party products. Furthermore, Liebherr will not recognize any warranty claims attributable to incorrect operation, inadequate maintenance, or the failure to follow safety instructions.
Modifications, conditions, copyright
- Liebherr reserves the right to make modifications in the course of technical development without issuing prior notification. Information and illustrations in these instructions are not allowed to be duplicated, distributed, or used for the purposes of competing with Liebherr.
- All rights under copyright legislation are expressly reserved. The aforementioned provisions do not extend the warranty and liability conditions in the general terms and conditions of business of Liebherr.
TABLE OF CONTENTS:
Liebherr Clamshell GM 58 GM 7C GM 7CHD GM 88 GM 108 GM 208 GM 20C GMZ 50 GMZ 80 GMZ 120 Operator’s manual – PDF DOWNLOAD
1 Product description 11
1.1 Technical description 11
1.1.1 Clamshell 11
1.1.2 Clamshell, separable with winder bolts 12
1.1.3 Clamshell, separable with socket bolts 13
1.2 Technical data 14
1.2.1 Specifications 14
2 Safety warnings 15
2.1 Information on these instructions 15
2.1.1 Representation of warning messages 15
2.1.2 Graphic symbols in these instructions 15
2.2 Intended use 16
2.2.1 Laws, rules, guidelines and safety regulations 16
2.2.2 Intended use 16
2.2.3 Foreseeable misuse 17
2.2.4 Operating conditions 17
2.2.5 Disposal 18
2.3 Description of staff 18
2.3.1 Personal protective equipment 18
2.3.2 Requirements for staff 19
2.3.3 Operating company 19
C 2.3.4 Operator 20
2.4 Signs on the machine 23
2.4.1 Information signs 23
copyright© Liebherr-Hydraulikbagger GmbH 2018
Clamshell llEBHERR 7
Contents Operator’s manual
2.4.2 Identification plate 24
2.5 Safe operation 25
2.5.1 Intoxicants 25
2.5.2 Dangerous fuels and operating fluids 25
2.5.3 Transporting working tool 25
2.5.4 Machine danger zone 26
2.5.5 Operating working tool 26
2.5.6 Load-lifting work 28
2.6 Safe maintenance 28
2.6.1 Spare parts 28
2.6.2 Heavy parts 28
2.6.3 Regular checks 29
2.7 Modifications to the machine 29
2.7.1 Modifications, add-ons and retrofittings 29
3 Control and operation 31
3.1 Fitting and removing working tool 31
3.1.1 Installing clamshell with attachment pins 31
3.1.2 Removing clamshell with attachment pins 34
3.1.3 Installing and removing working tool with quick coupler 34
3.1.4 Replacing tines (option) 35
3.1.5 Installing and removing working tool with quick coupler suspension for
direct installation 39
3.1.6 Adjusting swing brake 50
3.1.7 Checking swing brake for wear 52
3.2 Operation 53
3.2.1 Before putting into service 53
3.2.2 Operating clamshell 54
3.3 General working methods 55 C:
3.3.4 Loading transport vehicle 58 …J
3.3.5 Lifting loads 58
3.3.6 Lifting loads with load lift hook (option) 59
copyright© Liebherr-Hydraulikbagger GmbH 2018
8 llEBHERR Clamshell
Operator’s manual Contents
3.4 Transport 60
3.4.1 Transporting working tool 60
4 Maintenance 61
4.1 Inspection and maintenance schedule 61
4.2 Fuels, lubricants and operating fluids 63
4.2.1 Hydraulic oil 63
4.2.2 Greases 63
4.3 General maintenance 64
4.3.1 Depressurising hydraulic lines 64
4.4 Working attachment 65
4.4.1 Lubricating clamshell 65
4.4.2 Cleaning working tool 67
4.4.3 Passfix bearing (option) 68
4.4.4 Checking pin connections for secure seating 71
4.4.5 Checking steel parts for cracks 71
4.4.6 Pin bearing: checking for wear 71
4.4.7 Hydraulic hoses: Checking condition 71
4.4.8 Working attachment: Checking function 72
4.4.9 Tightening rotary actuator bearing 72
4.4.10 Storing working tool 74
Index 77
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