CAT Bucyrus Shield support 990/2324-2×3181-1750 Operating Manual – PDF DOWNLOAD
FILE DETAILS:
Doc. No.: 7420 204 000 BA 00
CAT Bucyrus Shield support 990/2324-2×3181-1750 Operating Manual – PDF DOWNLOAD
Language : English
Pages :138
Downloadable : Yes
File Type : PDF
IMAGES PREVIEW OF THE MANUAL:
TABLE OF CONTENTS:
CAT Bucyrus Shield support 990/2324-2×3181-1750 Operating Manual – PDF DOWNLOAD
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
3 Storage and transport
Bearing 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
Transport safety device 3 8
4 Installation
Pre-assembly of the shield units 4 3
Installation of the shield units 4 3
Pressure equalization of the electronic control system 4 5
Supply connections 4 6
Establishing a link between connections 4 9
Requirements for the face hydraulic system 4 10
Commissioning 4 11
To be observed prior to startup 4 11
How to put the support into operation 4 13
Corrosion protection of hydraulic components 4 13
5 Operation
Requirements 5 3
Operating conditions 5 3
Safety requirements 5 6
Operation of the shield support 5 9
Work safety 5 14
Operation of the shield hydraulics 5 15
Arrangement of hydraulic components on the support 5 15
Functions of the HP ball valves 5 16
Shield hydraulics 5 17
Shield components 5 25
Main components 5 25
Plug with pressure relief 5 34
Repair and emergency operation 5 36
Operation and functions of the electrohydraulic control unit
5 37
Shield functions 5 38
Functions of the water valve unit 5 40
Maintenance 5 41
Special measures 5 41
Daily maintenance 5 42
Weekly maintenance 5 43
Every six months 5 43
Regular, scheduled damage assessment 5 43
Troubleshooting 5 44
Instructions for troubleshooting 5 44
Fault localization 5 44
3/2-way or pilot valve 5 47
Piloted check valves 5 47
Internal bypass in props 5 48
Pressure relief valve defective 5 48
Defective or blocked filter 5 48
6 Technical data
Description 6 3
Main subassemblies 6 4
Main dimensions 6 5
Skid with lemniscatic links and relay bar assembly 6 6
Canopy 6 11
Caving shield 6 14
Technical data, steel structure 6 16
Hydraulic system 6 17
Shield hydraulics 6 17
PMC®-R electronic control system 6 18
Double-telescopic prop (peg) 6 19
Hydraulic cylinder 6 21
Design 6 21
Shifting ram 6 22
Stabilizing cylinder 6 22
Technical data, hydraulic cylinder 6 23
Pressure relief valves 6 24
Angles of inclination of the canopy 6 26
Permissible media 6 27
Hydraulic fluids 6 27
Quality of the process water 6 29
Lubricating greases and pastes 6 31
Tightening torques 6 33
Screws with ISO metric thread 6 33
7 For your information
Standards and directives 7 3
Referenced standards and directives 7 3
Identification of the shield 7 5
Name plate 7 5
Shield number 7 6
VIDEO PREVIEW OF THE MANUAL:
S.M