Cat DBT Shield 2550 5500−2×4319−1750 Operating Manual – PDF DOWNLOAD
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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
DESCRIPTION:
Cat DBT Shield 2550 5500−2×4319−1750 Operating Manual – PDF DOWNLOAD
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.
Before starting work
Take care to ensure that the operating manual available to you is
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:
DBT−shield 2550/5500−2×4319−1750
and is only permitted to be used for shields of this type. Only use
the operating manual applicable to the respective shield. If you
don’t you will endanger yourself and others.
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 2550/5500−2×4319−1750
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
DBT GmbH, Lünen 2004
Need help? Contact: [email protected]
S.M
