CAT DBT Shield 1920 4420-2×5665-2050 Operating Manual – PDF DOWNLOAD
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CAT DBT Shield 1920 4420-2×5665-2050 Operating Manual – PDF DOWNLOAD
Description
CAT DBT Shield 1920 4420-2×5665-2050 Operating Manual – PDF DOWNLOAD
FILE DETAILS:
CAT DBT Shield 1920 4420-2×5665-2050 Operating Manual – PDF DOWNLOAD
Language : English
Pages :148
Downloadable : Yes
File Type : PDF
DESCRIPTION:
CAT DBT Shield 1920 4420-2×5665-2050 Operating Manual – PDF DOWNLOAD
This chapter contains important information making it easier for you
to use this manual. It provides you with information on the structure
of the manual and the symbols used.
Before starting work
operating manual
applicable to the shield support being used. Compare the data
given below with the data given 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:
DBT shield 1920/4420-2×5665-2050
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;
IMAGES PREVIEW OF THE MANUAL:
TABLE OF CONTENTS:
CAT DBT Shield 1920 4420-2×5665-2050 Operating Manual – PDF DOWNLOAD
Contents
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 and maintenance 2 3
Repair 2 4
Conditions of operation 2 5
Intended use 2 5
Unauthorized use 2 5
Safety instructions 2 6
Overview of the safety instructions 2 16
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
5 Operation
Basic requirements 5 3
Conditions for operation 5 3
Safety requirements 5 6
Operation of the shield 5 9
DBT GmbH, Lünen 2006E
Contents
DBT shield 1920/4420-2×5665-2050
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 37
Fault finding on shield hydraulic system 5 37
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
Fault pressure relief valve 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
Hydraulic cylinder 6 25
Design 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
DBT GmbH, Lünen 2006E
Contents
Doc No : 7420 172 000 BA 00 SVVL / 01
Electrohydraulic control system 6 33
Electro-hydraulic control units 6 33
PMC®-R control unit 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
DBT GmbH
Need help? Contact: [email protected]
S.M
