Cat Shield support 1295/3048-2X4083-1750 Operating & Maintenance Manual SN LWB00770 – 00780 – PDF DOWNLOAD

Description

Cat Shield support 1295/3048-2X4083-1750 Operating & Maintenance Manual SN LWB00770 – 00780 – PDF DOWNLOAD

FILE DETAILS:

Cat Shield support 1295/3048-2X4083-1750 Operating & Maintenance Manual SN LWB00770 – 00780 – PDF DOWNLOAD

Language : English
Pages : 126
Downloadable : Yes
File Type : PDF

IMAGES PREVIEW OF THE MANUAL:

DESCRIPTION:

Cat Shield support 1295/3048-2X4083-1750 Operating & Maintenance Manual SN LWB00770 – 00780 – PDF DOWNLOAD

About this manual:
This chapter contains important information that makes it easier for you to use this manual. You
will also get information about the structure of the manual and the symbols, characters and
abbreviations used and frequently used terms.
1.1 How to use this manual
applicable operating manual:

• Using an operating manual that was not specifically written for
  the machine con- cerned can result in a safety hazard for yourself and others. Ensure that the data
  on the machine complies with the data given in the operating manual.
• The operating manual must be accessible at all times to all persons working on or with the shield.
  It should always be available at the place of operation.

new operating manual:

Request a new operating manual immediately if the current operating manual is no longer complete or has become illegible.
Persons for whom the operating manual is intended
This operating manual is intended for those persons who work with or on the shields. All persons
working on the face, at the edge of the face or at the entry must read this operating manual.
This includes persons who:

• are in charge of transport,
• set up the rise heading,
• perform installation/removal work,
• operate the shields,
• correct malfunctions,
• carry out daily routine work on the face or in the entry,
• monitor and look after for the hydraulic system,
• carry out maintenance work,
• carry out repair work.

Supervisory personnel who:

• initiate the activities mentioned above and/or
• supervise them.

TABLE OF CONTENTS:

Cat Shield support 1295/3048-2X4083-1750 Operating & Maintenance Manual SN LWB00770 – 00780 – PDF DOWNLOAD

1 About this manual 6
1 1 How to use this manual 6
1 2 Signs and symbols used 8
2 Safety 9
2 1 General safety instructions 9
2 2 Personnel 9
2 3 Repair and servicing 9
2 4 Operating conditions 10
2 4 1 Intended use 10
2 4 2 Unauthorized use 10
2 5 Using the machine and working on the machine 11
2 6 Notes on the hydraulic system 12
2 6 1 Recommended storage and use period 14
3 Storage and transport 16
3 1 Storage 16
3 2 Transport 17
3 3 Transporting the entire shield support 20
3 3 1 Face end shield 20
3 3 2 Transport safety devices 21
3 3 3 Relay bar assembly 22
3 3 4 Hose connections 23
4 Installation 24
4 1 Pre-assembly of the shield units 24
4 2 How to install the shield units 24
4 2 1 Shield units 24
4 2 2 Pressure equalization of the electronic control 26
4 2 3 Supply connections 27
4 2 4 Establishing a link between connections 29
4 3 Requirements for the face hydraulic system 31
4 4 Water spraying system requirements 31
4 5 Commissioning 32
4 5 1 To be observed prior to commissioning 32
4 5 2 How to put the support into operation 34
4 5 3 Corrosion protection of hydraulic components 34
5 Operation 35
5 1 Requirements 35
5 1 1 Operating conditions 35
5 1 2 Safety requirements 37
5 2 Operation of the shield support 40
5 3 Work safety 46
5 4 Shield components 47
5 5 Design of the ball valves 49
5 6 Hydraulic components on the shield 51
Shield support 1295/3048-2X4083-1750
Media-ID: EM027736-00-EN / Caterpillar Global Mining Europe GmbH 2017 ©
Table of contents
5 6 1 Location of hydraulic components 51
5 6 2 Control unit functions and pin assignment 55
5 6 3 Shield hydraulics 56
5 6 4 Hydraulic lines 57
5 6 5 Hose lines 58
5 6 6 Stecko parts 60
5 6 7 Water spraying system and accessories 62
5 6 8 Bracket and accessories 63
5 7 Location of the hydraulic components 65
5 8 Repair and emergency operation 74
5 9 Operation and functions of the electrohydraulic control unit 75
5 9 1 Shield functions – control unit, 10-function 76
5 9 2 Shield functions – water valve unit 78
5 10 Plug with pressure relief 79
5 11 Maintenance 81
5 12 Regular, scheduled damage assessment 83
5 13 Troubleshooting 84
5 13 1 Instructions for troubleshooting 84
5 13 2 3/2-way or pilot valve 87
5 13 3 Piloted check valves 87
5 13 4 Checking the prop check valves 87
5 13 5 Internal bypass in props 87
5 13 6 Pressure relief valve defective 88
5 13 7 Defective or clogged filter 88
6 Technical data 89
6 1 Technical description 90
6 1 1 Main dimensions 90
6 1 2 Skid with lemniscatic link and relay bar assembly 91
6 1 3 Relay bar assembly 93
6 1 4 Lemniscatic links 94
6 1 5 Canopy 97
6 1 6 Prop head with peg 99
6 1 7 Canopy and caving shield side seals 100
6 1 8 Caving shield 104
6 1 9 Caving flap 106
6 2 Technical data, steel structure 107
6 3 Hydraulic system 108
6 3 1 Shield hydraulics 108
6 4 Two-stage telescopic prop (peg) 109
6 4 1 Function 111
6 5 Hydraulic cylinders 112
6 5 1 Layout 112
6 5 2 Props and cylinders 113
6 6 Pressure relief valves 118
6 7 Angles of inclination of the canopy 120
6 8 Tightening torques 121
6 8 1 Screws and bolts with ISO metric thread 121
6 9 Permissible media 122
6 9 1 Hydraulic fluids 122
6 9 2 Quality of the process water 124
Shield support 1295/3048-2X4083-1750
Media-ID: EM027736-00-EN / Caterpillar Global Mining Europe GmbH 2017 ©
Table of contents
6 9 3 Greases and lubricating pastes 125

Need help? Contact: [email protected]

PLEASE NOTE:

• This is not a physical manual but a digital manual – meaning no physical copy will be couriered to you. The manual can be yours in the next 2 mins as once you make the payment, you will be directed to the download page IMMEDIATELY.
• This is the same manual used by the dealers inorder to diagnose your vehicle of its faults.
• Require some other service manual or have any queries: please WRITE to us at [email protected]

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