CAT Roof Support DBT – Shield 22504500-2X4319-1750 Operation Manual – PDF DOWNLOAD

Description

CAT Roof Support DBT – Shield 22504500-2X4319-1750 Operation Manual – PDF DOWNLOAD

DESCRIPTION:

CAT Roof Support DBT – Shield 22504500-2X4319-1750 Operation 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.

Before starting work

applicable operating manual

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 2250/4500-2X4319-1750

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.

TABLE OF CONTENTS:

CAT Roof Support DBT – Shield 22504500-2X4319-1750 Operation Manual – PDF DOWNLOAD

1 About this manual
Before starting work 13
Persons for whom the operating manual is intended 13
Purpose of this operating manual 14
Characters and symbols used 14
2 Your safety
Personnel 23
Operation and maintenance 23
Repair 24
Conditions of operation 25
Intended use 25
Unauthorized use 25
Safety instructions 26
Overview of the safety instructions 216
3 Storage and transport
Storage 33
Storage of new equipment 33
Used equipment 35
Transport 36
4 Installation
Pre-assembly of the shield units 43
Installation of the shield units 43
Supply connections 45
Coupling between the connections 46
Requirements for the face hydraulic system 47
Start-up 48
To be observed prior to start-up 48
Start-up of the shields 410
Corrosion protection of hydraulic components 410
DBT GmbH, Lünen 2006E
BI622213
Contents
DBT – Shield 2250/4500-2X4319-1750
5 Operation
Basic requirements 53
Conditions for operation 53
Safety requirements 56
Operation of the shield 59
Safe working 514
Operation of the shield hydraulics 515
Location of hydraulic components on the shield 515
Shield components 527
Extending or retracting the side seal 536
Canopy spraying system 538
Operation of the dual backflush filter 539
Repair and emergency operation 540
Operation and functions of the control valve block 542
Maintenance 546
Special measures 546
Daily maintenance 547
Weekly maintenance 547
To be done every six months 548
Assessment of damage according to schedule 548
Trouble shooting 549
Fault finding on shield hydraulic system 549
Fault localization 549
3/2-Way valve or pilot valve 552
Pilot-operated check valves 552
Internal by-pass in props 553
Faulty pressure relief valve 553
Defective or blocked filter 553
6 Technical data
Shield description 63
Main assemblies 65
Base with lemniscatic links and central shifting unit 68
Shield canopy 612
Flipper 614
Side seal 615
Caving shield 617
Technical data of the shield, steel structure 620
Hydraulic system 621
Shield hydraulics 622
Double-telescopic prop 631
DBT GmbH, Lünen 2006E
BI622213
Contents
Doc No: 7420 170 000 BA 00 VRVL / 01
Hydraulic cylinder 633
Design 633
Stabilizing cylinder 634
Shifting ram 634
Baselift cylinder 635
Seal cylinder 635
Flipper cylinder 636
Pusher cylinder 636
Technical data of hydraulic cylinders 637
Pressure relief valves 640
Shield control system 642
Electrohydraulic control unit 642
Electronic shield control PMC®-R 642
Angles of inclination of the canopy 644
Accessories 645
Anti-topple device “canopy – canopy” 645
End anchorage 646
End anchorage base – base 647
Permissible media 649
Hydraulic fluids 649
Lubricating greases and pastes 652
Tightening torques 654
Screws with ISO metric thread 654
7 For your information
Service addresses 73
Europe 73
Northamerica, Canada, Southamerica 74
Australia 74
South Africa 74
Asia 75
Identification of shields 76
Type plate 76
Shield number 76
Standards and guidelines 77
Referenced national standards and guidelines 77
European standards and guidelines 77

IMAGES PREVIEW OF THE MANUAL:

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CAT ROOF SUPPORT DBT – SHIELD 22504500-2X4319-1750 OPERATION MANUAL – PDF DOWNLOAD:

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