CAT DBT − Shield 2550/5500−2×4319−1750 Operating Manual – PDF DOWNLOAD

Description

CAT DBT − Shield 2550/5500−2×4319−1750 Operating Manual – PDF DOWNLOAD

FILE DETAILS:

CAT DBT − Shield 2550/5500−2×4319−1750 Operating Manual – PDF DOWNLOAD

Language : English
Pages :138
Downloadable : Yes
File Type : PDF

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

CAT DBT − Shield 2550/5500−2×4319−1750 Operating Manual – PDF DOWNLOAD

Index
1 About this manual
Before starting work 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
Use in conformance with specifications 2 5
Use contrary to specifications 2 5
Safety instructions 2 6
Basic principles 2 6
Storage and transport 2 7
Installation 2 8
Operation 2 9
Maintenance 2 11
Overview of the safety instructions 2 15
3 Storage and transport
Storage 3 3
Storage of new equipment 3 3
Used equipment 3 5
Transport 3 5
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 6
Requirements to the face hydraulic system 4 7
Start−up 4 8
To be observed prior to start−up 4 8
Start−up of the shields 4 10
Corrosion protection of hydraulic components 4 10
DBT GmbH, Lünen 2004
Index
DBT − Shield 2400/5000−2×4319−1750
5 Operation and maintenance
Basic 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 at the shield 5 15
Operation of the dual backflush filter 5 24
Repair and emergency operation 5 25
Operation and functions of the control valve block 5 27
Maintenance 5 30
Special measures 5 30
Daily inspection 5 31
Weekly inspection 5 31
To be done every six months 5 31
Assessment of damage according to schedule 5 31
Trouble shooting 5 32
Fault finding on shield hydraulic system 5 32
Fault localization 5 32
3/2−Way valve or pilot valve 5 35
Pilot−operated check valves 5 35
Internal by−pass in props 5 36
Faulty pressure relief valve 5 36
Defective or blocked filter 5 36
6 Technical data
Shield variants 6 3
Main subassemblies 6 5
Base with lemniscatic links and central shifting unit 6 7
Shield canopy 6 11
Caving shield 6 15
Side seal 6 16
Technical data of the shield, steel structure 6 18
Hydraulic system 6 21
Double−telescopic prop 6 24
Function 6 25
Hydraulic cylinder, double and single acting 6 26
Stabilizing cylinder 6 27
Baselif t cylinder 6 27
Shifting cylinder 6 28
Technical data of hydraulic cylinders 6 29
Pressure relief valves 6 32
Electrohydraulic control system 6 34
Electronic shield control 6 35
Angles of inclination of the canopy 6 36
Accessories 6 37
Anti−topple device
canopy − canopy” 6 37
Anchoring device base − base 6 39
Operating media 6 40
Hydraulic fluids of group HFA 6 40
Atex Lubricating greases and pastes 6 43
Tightening torques 6 45
Screws with metric coarse thread DIN 13 6 45
7 For your information
Our service 7 3
Service addresses 7 3
Identification of shields 7 5
Type plate 7 5
Shield number 7 5
Referenced standards and guidelines 7 6

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