Cat Shield support 1702/4225-2X5341-2056 Operation and Maintenance Manual – PDF DOWNLOAD
FILE DETAILS:
Cat Shield support 1702/4225-2X5341-2056 Operation and Maintenance Manual – PDF DOWNLOAD
Language : English
Pages :154
Downloadable : Yes
File Type : PDF
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TABLE OF CONTENTS:
Cat Shield support 1702/4225-2X5341-2056 Operation and Maintenance Manual – PDF DOWNLOAD
Table of content
1 About this manual
Before starting work 1 3
Persons for whom the operating manual is intended 1 3
Purpose of this operating manual 1 4
Characters and symbols used 1 4
2 Your safety
Personnel 2 3
Operation 2 3
Installation and repairs 2 4
Operating conditions 2 5
Intended use 2 5
Unauthorized use 2 5
Safety instructions 2 6
Basic principles 2 6
Storage and transport 2 7
Installation 2 8
Operation 2 9
Maintenance 2 11
Hydraulic system 2 12
3 Storage and transport
Storage 3 3
Storage of the equipment 3 3
Storing used equipment 3 4
Transport 3 5
Load units; dimensions and weights 3 5
Before transport 3 5
Shield transport 3 7
Transport safety device 3 8
4 Installation
Pre-assembly of the shield units 4 3
Installation of the shield units 4 3
Supply connections 4 5
Establishing a link between connections 4 9
Requirements for the face hydraulic system 4 10
Water spraying system requirements 4 11
Commissioning 4 12
To be observed prior to startup 4 12
How to put the support into operation 4 14
Corrosion protection of hydraulic
components 4 14
5 Operation
Requirements 5 3
Operating conditions 5 3
Safety requirements 5 6
Operation of the shield support 5 9
Work safety 5 15
Shield components 5 16
Overview of shield hydraulics 5 18
HP ball valve versions 5 18
Functions of the HP ball valves 5 19
Operation of the shield hydraulics 5 20
Arrangement of hydraulic components on the support 5 20
Shield hydraulics 5 22
Control units 5 30
Supply block 5 31
Check valve, hydraul piloted, for shifting ram 5 32
Prop 5 33
Electrohydraulic control unit 5 34
PMC®-R 5 36
Solenoid driver module 5 37
Double filter 5 37
Hydraulic for lifting cylinder 5 38
Stabilizing cylinder 5 38
Plug with pressure relief 5 39
Operation of the double backflush filter 5 41
Repair and emergency operation 5 42
Operation and functions of the electrohydraulic
control unit 5 44
Shield variant functions 5 45
Functions of the water valve unit 5 47
Maintenance 5 48
Special measures 5 48
Daily maintenance 5 49
Weekly maintenance 5 50
Every six months 5 50
Regular, scheduled damage assessment 5 50
Troubleshooting 5 51
Instructions for troubleshooting 5 51
Fault localization 5 51
3/2-way or pilot valve 5 54
Piloted check valves 5 54
Internal by-pass in props 5 55
Pressure relief valve defective 5 55
Defective or blocked filter 5 55
6 Technical Data
Description 6 3
Main subassemblies 6 4
Main dimensions 6 6
Skid with lemniscatic links and relay bar assembly 6 7
Canopy 6 11
Caving shield 6 14
Caving flap 6 16
Accessories 6 17
Steering device “canopy – canopy” 6 17
Technical data, steel structure 6 21
End shield, device number 7420 210 000 00 04 6 21
Hydraulic system 6 22
Shield control system 6 22
Hydraulic prop, two-stage 6 24
Hydraulic cylinder 6 26
Shifting ram 6 27
Stabilizing cylinder 6 27
Lifting cylinder 6 28
Technical data, hydraulic cylinder 6 28
Pressure relief valves 6 30
Angles of inclination of the canopy 6 32
Permissible media 6 33
Hydraulic fluids 6 33
Quality of the process water 6 35
Lubricating greases and pastes 6 37
Tightening torques 6 39
Screws with ISO metric thread 6 39
7 For your information
Standards and guidelines 7 3
Referenced standards and guidelines 7 3
Identification of the shield 7 5
Name plate 7 5
Shield number 7 6
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