CAT Bucyrus Shield support 1920/4420-2×5665-2050 Operating Manual- PDF DOWNLOAD
FILE DETAILS:
CAT Bucyrus Shield support 1920/4420-2×5665-2050 Operating Manual- PDF DOWNLOAD
Language : English
Pages :142
Downloadable : Yes
File Type : PDF
CAT Bucyrus Shield support 1920/4420-2×5665-2050 Operating Manual- PDF DOWNLOAD
About this manual
This chapter provides important information making it easier for you
to use this manual. You will also be given information on the structure
of the manual and the symbols used.
applicable for the shield support used. Compare the data given below
with the data on the type plate of the shield. Where to find the
type plate on the shield is described in chapter 7 of this operating
manual.
This operating manual is designed for:
Shield 1920/4420-2×5665-2050
Order No.: 7420 187 000 00 01
It should be used only for shields of this type!
The operating manual must be accessible at all times to all persons
working on or with the shield.
There should, if possible, always be an operating manual for the
shield available at the place of operation.
new operating manual
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,
- prepare the rise heading,
- perform assembly / disassembly work,
- operate the shields,
- correct malfunctions,
- perform daily routine work on the face,
- monitor / look after the hydraulic system,
- perform maintenance work,
- perform repair work;
- supervisory personnel who
– initiate and /or
– supervise
the activities just indicate
IMAGES PREVIEW OF THE MANUAL:
TABLE OF CONTENTS:
CAT Bucyrus Shield support 1920/4420-2×5665-2050 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
Conditions for operation 2 5
Intended use 2 5
Unauthorized use 2 5
Safety instructions 2 6
3 Storage and transport
Storage 3 3
Storage of new equipment 3 3
Used equipment 3 5
Transport 3 6
4 Installation
Pre-assembly of the shield units 4 3
Installation of the shield units 4 3
Supply connections 4 5
Coupling between the connections 4 10
Requirements for the face hydraulic system 4 10
Start-up 4 11
To be observed prior to start-up 4 11
How to put the support into operation 4 12
Corrosion protection of hydraulic components 4 13
Bucyrus DBT Europe GmbH, Lünen 2008E
Contents
Shield 1920/4420-2×5665-2050
5 Operation
Requirements 5 3
Conditions for operation 5 3
Safety requirements 5 6
Operation of the shield 5 9
Safe working 5 14
Operation of the shield hydraulics 5 15
Location of hydraulic components on the support 5 15
Functions of the HP ball valves 5 17
Bracket for PMC®-R and control unit 5 25
Operation of the dual backflush filter 5 28
Repair and emergency operation 5 29
Operation and functions of the control valve block 5 31
Shield functions 5 32
Functions of the water valve unit 5 34
Maintenance 5 35
Special measures 5 35
Daily inspection 5 36
Weekly maintenance 5 36
Carry out every six months 5 37
Assessment of damage according to schedule 5 37
Trouble shooting 5 38
Fault finding on shield hydraulic system 5 38
Fault localization 5 38
3/2-way or pilot valve 5 41
Pilot-controlled check valves 5 41
Internal by-pass in props 5 42
Pressure relief valve defective 5 42
Defective or blocked filter 5 42
6 Technical data
Description 6 3
Main subassemblies 6 4
Base with lemniscatic links and shifting unit 6 6
Shield canopy 6 9
Flipper 6 11
Side seal 6 12
Caving shield 6 14
Technical data, steel structure 6 15
Hydraulic system 6 16
Shield hydraulics 6 17
Double-telescopic prop 6 23
Bucyrus DBT Europe GmbH, Lünen 2008E
Contents
Doc No : 7420 187 000 BA 00 VEVT / 01
Hydraulic cylinder 6 25
Construction 6 25
Stabilizing cylinder 6 26
Baselift cylinder 6 26
Shifting ram 6 27
Alignment cylinder (seal cylinder) 6 27
Flipper cylinder 6 28
Technical data, hydraulic cylinder 6 29
Pressure relief valves 6 31
Electrohydraulic control system 6 33
Electrohydraulic control units 6 33
PMC®-R control device 6 33
Angles of inclination of the canopy 6 35
Permissible media 6 36
Hydraulic fluids 6 36
Lubricating greases and pastes 6 39
Tightening torques 6 41
Screws with ISO metric thread 6 41
7 For your information
Service addresses 7 3
Europe 7 3
North America, Canada, South America 7 4
Australia 7 4
Africa 7 4
Asia 7 5
Identification of the shields 7 6
Type plate 7 6
Shield number 7 6
Standards and guidelines 7 7
Referenced national standards and guidelines 7 7
Referenced European standards and guidelines 7 7
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