CAT Bucyrus Continuous Miner 25M1AC Operation Manual A6474X307  - PDF DOWNLOAD

CAT Bucyrus Continuous Miner 25M1AC Operation Manual A6474X307  - PDF DOWNLOAD

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CAT Bucyrus Continuous Miner 25M1AC Operation Manual A6474X307  - PDF DOWNLOAD

Language :English
Pages :697
Downloadable : Yes
File Type : PDF

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CAT Bucyrus Continuous Miner 25M1AC Operation Manual A6474X307  - PDF DOWNLOAD

PREFACE

• This manual is intended to provide GENERAL product information for the Model 25M1AC Continuous Miner. The illustrations, descriptions and procedures contained in this publication apply only to THIS machine. Bucyrus America, Inc. reserves the right to revise models and designs without prior notice.
• This Continuous Miner was manufactured under the guidelines, procedures and requirements of the U. S. Federal Coal Mine Health and Safety Act, Code of Federal Regulations, Title 30, Chapter 1, Subpart 0, Part 75 for underground coal mines, and other applicable non-U.S. regulatory agency standards. At the completion of the manufacturing process, this unit was issued the appropriate approval numbers and nameplates indicating it met the technical requirements of these regulatory agencies.
• Any change to the design or structure of this unit, without the consent of Bucyrus America, Inc. and these regulatory agencies, or any repair or replacement of parts contrary to Bucyrus America, Inc.’s instructions, may invalidate these approvals and render this unit unsafe to operate. Strict compliance with all Federal and State Mining laws, regulations and practices regarding the safe operation and maintenance of underground mining equipment and strict adherence to the instructions in this manual is necessary for the personal safety of those working on or around this unit. While this manual attempts to anticipate the most important operations and maintenance needs for this unit, unforeseen circumstances may arise that have not been addressed in this manual.
• If any concerns or questions arise, please contact your Bucyrus America. Inc. Service Representative immediately. This work contains information protected under trade secret and other intellectual property laws, and is protected under the U. S. Copyright Act of 1976, as amended. This work is provided under license and the license is non-transferable. Distribution and access is limited only to authorized personnel. Disclosure, reproduction, distribution or unauthorized use may be a violation of federal and state laws and may subject the unauthorized user to criminal liability.

TABLE OF CONTENTS:

CAT Bucyrus Continuous Miner 25M1AC Operation Manual A6474X307  - PDF DOWNLOAD

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 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 7
Pre-start inspection 2 7
Installation and start-up 2 8
Operation 2 8
Stopping 2 9
Maintenance and repair 2 10
3 Storage and transport
Storage and transport 3 3
Storage 3 3
Storage of the machine and spare parts 3 3
Long-term storage of spare components 3 4
Transport 3 5
Load units: dimensions and weights 3 5
Transport environment 3 6
4 Installation
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
Table of contents
Operation 5 3
How to operate the Continuous Miner 5 3
Who is allowed to operate the Continuous Miner 5 3
When can operation be started? 5 3
Controls and indicators 5 4
Machine control system 5 17
Red zone 5 26
Safety precautions for underground operation 5 31
Tramming safety rules 5 31
Starting procedure 5 32
Shutdown procedure 5 34
Tramming the miner 5 35
Cutter head operation 5 37
Conveyor operation 5 39
Scrubber motor operation 5 39
Area and headlight operation 5 39
Fire suppression in radio remote operation 5 40
Conveyor raise/lower/left/right in radio remote operation 5 40
Stabilizer cylinder raise/lower in radio remote operation 5 41
Shear up/down in radio remote operation 5 41
Gathering head raise/float in radio remote operation 5 41
Breaker on/off in radio remote operation 5 42
Mechanical assemblies 5 43
Hydraulic system 5 49
Water system 5 81
Electrical system 5 91
Instructions on the maintenance 5 125
Important notes 5 125
Before maintenance 5 125
Torque values 5 126
Lubricants, fluids and capacities 5 127
Specific lubrication and maintenance instructions 5 128
Every shift 5 131
Every third shift (daily) 5 133
Weekly 5 138
Monthly 5 141
Every three months 5 148
Every six months 5 151
Adjustment procedures 5 153
Setting hydraulic pressures 5 153
Load holding valve 5 154
Pilot pump circuit relief 5 155
Main control valve 5 156
Port relief 5 158
Tram track 5 160
Tail shim 5 165
Chain tension 5 167
Hydraulic 5 167
Instructions on replacement of wear parts 5 168
Cutter head (boom) assembly 5 168
Boom pivot pin 5 172
Shear cylinder 5 177
Center cutter drum 5 182
End cutter drum 5 186
Drum drive motor 5 188
Drum drive gear case 5 193
Gathering head assembly 5 195
Gathering head drive motor 5 201
Gathering head gear case 5 206
Gathering head foot shaft 5 212
Gathering head lift cylinder 5 215
CLA 5 218
CLA tip replacement 5 221
Tram motor 5 222
Tram primary planetary gear 5 227
Tram secondary planetary gear 5 230
Tram case 5 235
Tram reach gear set 5 240
Tram sprocket 5 248
Tram track front idler 5 255
Front idler take-up cylinder 5 259
Hydraulic pump 5 261
Hydraulic pump motor 5 264
Scrubber fan/motor 5 267
Stabilizer cylinder 5 270
Swivel pin assembly 5 273
Tail roller 5 275
Conveyor chain replacement 5 277
Troubleshooting procedures 5 278
Typical hydraulic problems 5 279
Contaminants in hydraulic systems 5 280
Specific hydraulic circuits 5 281
Multi-function failure 5 281
Oil tank fill 5 282
Cutter head raise 5 282
Cutter head lower 5 282
Gathering head raise 5 283
Gathering head float 5 283
Conveyor raise 5 283
Conveyor lower 5 284
Conveyor swing 5 284
Stabilizer raise 5 284
Stabilizer lower 5 284
General safety procedure for shutdown 5 285
Excessive noise 5 286
Excessive heat 5 287
Incorrect flow 5 288
Incorrect pressure 5 289
Faulty operation 5 290
Restarting checklist 5 291
Water system 5 292
Bearings 5 294
Electrical system 5 295
6 Technical data
Technical data 6 3
Tightening torques 6 5
Permissible media 6 7
Lubrication fluids and greases 6 7
7 For your information
For your information 7 3
Our service 7 3
Service address 7 3

S.M 23/3/2025