CAT BUCYRUS DBT Feeder Breaker 7MFBM-48A-DD Operation Manual BI000803- 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 and characters used

Before starting to work
applicable operating manual

Take care to ensure that the operating manual available to you is
applicable for the type of equipment or machine used.
machine type

This operating manual is intended for:
DBT – Model 7MFBM-48A-DD Feeder Breaker
Serial No.: 54-2130
and is only permitted to be used for equipment of this type.
The operating manual must be accessible at all times to all persons
working on or with the machine.
It should, if possible, always be available at the place of operation

Send for a new operation manual immediately if the present manual is no longer complete or has become illegible

Who is this operating manual intended for?
This operating manual is intended for those persons who work with or on
the machine.
Every person working on the face or in the intersection between face and
entry or in 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 machine
? eliminate faults
? perform daily routine work on the face or in the entry
? perform maintenance work
? perform repair work

Table of contents
1 About this manual
About this manual 1 3
Before starting to work 1 3
Who is this operating manual intended for? 1 3
What is the purpose of this operating manual? 1 4
Characters and symbols used 1 5
2 Your safety
Your safety 2 3
Personnel 2 4
Operation 2 4
Installation and repair 2 4
Operating conditions 2 5
Intended use 2 5
Unauthorized use 2 5
Safety instructions 2 6
General rules: 2 6
Storage and transport 2 8
Installation and start-up 2 8
Operation 2 9
Maintenance and repair 2 9
Overview of the safety instructions 2 14
Chapter 3: Storage and transport 2 14
Chapter 4: Installation 2 14
Chapter 5: Operation 2 16
Chapter 6: Technical data 2 20
3 Storage and transport
Storage and transport 3 3
Storage 3 3
Storage of the machine and spare parts 3 3
Transport 3 4
Load units; dimensions and weights 3 4
Before transport 3 5
Installation 4 3
Points to observe prior to installation 4 3
Who is allowed to carry out installation? 4 3
Which tools are required for installation? 4 3
Notes on installation 4 4
Pre-installation check list 4 5
Safety features 4 6
Overview of the feeder breaker 4 8
5 Operation
Operation 5 3
How to operate the feeder breaker 5 3
Who is allowed to operate the feeder breaker? 5 3
When can conveying be started? 5 3
Controls and indicators 5 4
Operator’s station 5 4
Primary valve banks 5 5
Pressure gauge bank 5 7
Panic bar 5 7
Fire suppression actuator (s) 5 8
Control console 5 9
Radio transmitter 5 15
Infra-red transmitter 5 18
Starter enclosure 5 20
Tail piece valve bank controls (Optional) 5 21
Fire suppression 5 23
Daily starting procedure 5 25
Start tram and breaker motor 5 27
Tramming the machine 5 29
Stop tram and breaker motor 5 31
Start conveyor motor in forward direction 5 33
Speed control of the conveyor 5 35
Stop conveyor motor in the forward direction 5 36
Start conveyor motor in reverse direction 5 38
Stop conveyor motor in the reverse direction 5 40
Input and output LED (s) on the PLC 5 42
Electrical system 5 45
Starter enclosure 5 48
Control console 5 50
Variable frequency drive enclosure 5 51
Electric motors 5 52
Emergency pull cord switch 5 53
Infra-red transmitter (Optional) 5 53
Radio transmitter (optional) 5 54
Hydraulic system 5 55
Oil tank 5 59
Pump 5 60
Primary valve banks 5 60
Tilt hydraulic cylinders 5 61
Lift hydraulic cylinders 5 61
Tram motors 5 62
Hand pump 5 62
Pressure gauges 5 63
Heat exchanger 5 63
Pressure filter (s) 5 64
Return filter 5 64
Hand pump filter 5 64
Tail assembly valve bank (optional) 5 65
Tail pulley hydraulic cylinder (s) 5 65
Roof anchor hydraulic cylinder (s) 5 66
Mechanical assemblies 5 67
Breaker assembly 5 67
Crawler assemblies 5 68
Tail shaft 5 69
Head shaft 5 70
Conveyor chain 5 71
Breaker power unit 5 72
Conveyor power unit 5 73
Tail assembly (optional) 5 74
Roof anchor assembly (optional) 5 74
Instructions on the maintenance of the feeder breaker 5 75
Important notes 5 75
Before maintenance 5 75
Lubrication and inspection 5 77
Every 8 hours of operation 5 81
Weekly 5 86
Every (3) months 5 89
Every (6) months or 2500 hours 5 91
Inspection of the feeder breaker 5 97
Instructions on the adjustment procedures 5 105
Conveyor chain adjustment 5 105
Crawler track 5 107
Instructions on the replacement of wear parts 5 109
Head shaft 5 109
Head shaft sprockets 5 112
Tail shaft 5 114
Conveyor chain 5 119
Crawler track 5 123
Crawler assembly 5 126
Breaker assembly 5 134
Breaker power unit 5 143
Conveyor power unit 5 154

6 Technical data
Technical data 6 3
Components of the feeder breaker 6 3
Technical data sheet 6 3
Tightening torques 6 7
Permissible media 6 13
Lubrication fluids and greases 6 13
7 For your information
For your information 7 3
Our service 7 3
Service address 7 3
Rebuild facility address 7 4