CAT BUCYRUS 45 47-R Blast Hole Drill ELECTRICAL Maintenance Manual BI005446 – PDF DOWNLOAD

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CAT BUCYRUS 45 47-R Blast Hole Drill ELECTRICAL Maintenance Manual BI005446 – PDF DOWNLOAD

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CAT BUCYRUS 45 47-R Blast Hole Drill ELECTRICAL Maintenance Manual BI005446 – PDF DOWNLOAD

Language : English
Pages : 92
Downloadable : Yes
File Type : PDF

DESCRIPTION:

CAT BUCYRUS 45 47-R Blast Hole Drill ELECTRICAL Maintenance Manual BI005446 – PDF DOWNLOAD

FOREWORD

• This purpose ofthis manual isto provide information concerningthe electricalmaintenance oftheBucyrusErie® 45/47-R Rotary Blasthole Drill. The 45/47-R drill consists ofthree major units; the lower works, the mainframe, and the mast. The lower works provides a foundation for the main frame and contains most of the equipment necessary to propel the drill.
• The main frame includes the hydraulic, main air and auxiliary air systems, the hoist-propel transmission and themachineryhouse. The machineryhouse enclosesthemajority ofthemechanical equipment necessary for the main and auxiliary air system, the hydraulic systems and electrical controlsystems. The machineryhouse is pressurizedwithfIltered airtominimize dirt andheatbuildup.
• The operator’s cab is located at the rear ofthe main frame and contains the operator’s station. The mast is mounted to the rear ofthe main frame and containsthe machinery required for rotation and handling ofthe tool string. This manual is consists oftwo chapters, each divided into sections. Atable ofcontentsislocated in the front ofthis manual.
• Familiarize yourselfwith the contents ofthis manual so that you can easily locate particular information when you need it.

INTRODUCTION

Periodic inspection and maintenance of the electrical systems are important to assure continuous drill operation at peak performance. Because static and dynamic control operations occur frequently, it is requisite that regular inspections by performed so that replacement or repairs can be made before machine failure. Costly downtime can be reduced by following these rules:

1. Keep on hand renewal or repair parts.
2. Maintain an inventory of tools and equipment for effective electrical maintenance. A list of suggested tools and their application is provided in the appendix.
3. Maintain careful records for all electrical service. Use the electrical checklist in appendix as both a service record and as a
reference to further electrical adjustments.

GENERAL

Safe electrical maintenance practices minimize the chance of personal injury or costly damage to equipment. Carefully study and follow all recommended procedures in this manual. Safety guidelines are intended to prevent accidents from occurring and are provided in the interest of all personnel. Overall safety depends upon a good sense of judgment and alertness on the part of the entire crew.

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

CAT BUCYRUS 45 47-R Blast Hole Drill ELECTRICAL Maintenance Manual BI005446 – PDF DOWNLOAD

CHAPTER 1 – MAINTENANCE
SECTION 1 – GENERAL MAINTENENCE
Introduction 1
Safety 1
General 1
Specific Safety Rules 1
Inspection 1
Trail Cable 1
Operating Controls, Gauges and Instruments 2
Control Panels 2
Contractors 2
Overload Devices 2
Transformers 2
Electrical Light Plant 2
SECTION 2 – ELECTRICAL COMPONENT MAINTENEANCE
DC Motors (Westinghouse 600 Series) 13
Procedure for Shaft Removal and Replacement 13
Direct Current Motors (Type 600 MDV) (General Electric) 14
Operation 15
Maintenance 15
Field Service Cleaning 16
Service Shop Cleaning 17
Horizontal Induction Motors (General Electric 8000 series) 18
Description 18
Installation 18
Operation 20
General Maintenance 22
Bearing Maintenance 24
Horizontal Induction Motors (Sieman-Allis) 27
Installation 27
Operation 27
Maintenance 28
Alternators (General Electric Type SJ) 34
Description 34
Maintenance 35
High Voltage Air Contactor (Allen-Bradley) 37
Preventive Maintenance 37
Handling 38
Start-up Procedure 39
Service Instructions 41
Voltage Regulator (General Electric) 45
Introduction 45
Description 45
Operation 45
Maintenance 47
Troubleshooting 47
Lincoln Grease Lube System 48
Sequence of Operation 48
BI005446
Lincoln Spray Lube System 51
Sequence of Operation 51
Farval Grease Lube System 54
Sequence of Operation 54
CHAPTER 2 – ELECTRICAL ADJUSTMENTS
SECTION 1 – GENERAL INSTRUCTIONS
Procedure 59
SECTION 2 – CONTROL SEQUENCE AND AUXILIARY MOTOR ROTATION CHECK
Procedure 61
SECTION 3 – MAIN AIR COMPRESSOR MOTOR STARTING PROCEDURE FOR
ELECTRIC MACHINES
Procedure 65
SECTION 4 – ROTARY MOTOR
Theory of Operation 67
The Amplifier 67
The Motor 67
The Current Limit Feedback Circuit 69
Starting Procedure 69
Static Exciter Circuit 70
Rotary Motor Starting Control Operation 70
Reference Circuit 70
Bias Circuit 71
Feedback (Current Limit) Circuit 71
Motor Armature Circuit 71
SECTION 5 – HOISTIPROPEL OPERATION
Theory of Operation 75
General Configuration 75
Proportional Control Electronins 75
DC Power Supply/Proportional Control Board Set-up 76
EHTCM Set-up 77
EHPC1 Set-up 78
EHPC2 Set-up 79
Final System Checks 79
APPENDICES
ELECTRICAL INSPECTION GUIDE lA
SUGGESTED TOOL LIST 3A
DAILY ELECTRICAL CHECKLIST 5A
WEEKLY ELECTRICAL CHECKLIST 7A
MONTHLY ELECTRICAL CHECKLIST 9A
QUARTERLY ELECTRICAL CHECKLIST : 11A
SEMI-ANNUAL ELECTRICAL CHECKLIST 13A
ANNUAL ELECTRICAL CHECKLIST 15A
RECAP SHEET 17A
Customer Support: [email protected]

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