Cat Bucyrus 49HR Blast Hole Drill Maintenance & Operation Manual SN 141380 – PDF DOWNLOAD
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Cat Bucyrus 49HR Blast Hole Drill Maintenance & Operation Manual SN 141380 – PDF DOWNLOAD
Language : English
Pages : 403
Downloadable : Yes
File Type : PDF
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DESCRIPTION:
Cat Bucyrus 49HR Blast Hole Drill Maintenance & Operation Manual SN 141380 – PDF DOWNLOAD
Introduction:
GENERAL INFORMATION:
- This manual is designed to assist the owner in the operation and maintenance of this machine. By
following easy to understand step-by-step procedures the operators and maintenance personnel can
perform all tasks in a safe manner. When a systematic and thorough maintenance/service procedure
is used for this machine, a minimum of unplanned downtime and more reliable operation will result. - THIS MANUAL IS NOT THE PARTS BOOK, and cannot be used as reference material to order parts. A
separate, detailed parts book has been supplied. Please carefully read the instructions in it. All
parts are listed by group and/or product code numbers with the associated item/part numbers for
THIS SPECIFIC MACHINE. Order parts in the exact quantity needed. RIGHT and LEFT refer to machine
locations as viewed by the operator sitting in the operator’s seat in the cab. Please state the
correct machine SERIAL NUMBER when corresponding or contacting the factory service or parts
departments. Records on each machine are filed by serial number and when given this number, your
machine’s specific design and original equipment is accessed quickly by the Bucyrus International
parts representative. Periodic additions or revisions may be made to this manual.
SAFETY PRECAUTIONS:
General Precautions:
• The employment of qualified maintenance personnel, through a scheduled maintenance
program, is the best way to minimize machine downtime and maximize productivity of
equipment.
• Keep hands, feet, and clothing away from rotating parts.
• Wear a hard hat, safety shoes and protective lenses at all times.
• Replace any and all safety and warning placards if they are defaced or removed from the machine.
• Think before you act. Carelessness is one luxury the service man cannot afford.
• Excessive or repeated skin contact with sealants or solvents may cause skin irritation. In case
of skin contact refer to the Material Safety Data Sheet (MSDS) for that material and the suggested
method of cleanup.
• Inspect safety catches (keepers) on all hoist hooks. Do not take a chance, the load could slip
off of the hook if they are not functioning properly.
• If a heavy item begins to fall, let it fall, don’t try to catch it.
• Keep your work area organized and clean. Wipe up oil or spills of any kind immediately. Keep
tools and parts off of the ground. Eliminate the possibility of a fall, slipping or tripping.
• Floors, walkways and stairways must be clean and dry. After fluid draining operations be sure
all spillage is cleaned up.
• Electrical cords and wet metal floors make a dangerous combination.
• Regularly inspect for any loose bolts or locking devices and properly secure them.
• Use extreme caution while working near any electrical lines or equipment whether it be high or
low voltage. Never attempt electrical repairs unless you are qualified.
• Check limit switches for proper operation.
• After servicing, be sure all tools, parts or servicing equipment are removed from the machine
and secured in an appropriate storage area.
• Mechanical Brakes are designed for use as static holding brakes only. Use as a motion (dynamic)
brake in emergency situations only.
• Use proper interior and exterior lighting.
• Install and maintain proper grounding and ground fault protection systems.
• Perform functional tests of all safety circuits.
• Allow electrical inspection and maintenance to be performed only by a qualified electrician.
• Use extreme caution when working around drilled holes.
TABLE OF CONTENTS:
Cat Bucyrus 49HR Blast Hole Drill Maintenance & Operation Manual SN 141380 – PDF DOWNLOAD
GENERAL INFORMATION 3
SAFETY 4
SAFETY PRECAUTIONS 5
FIRE PREVENTION CONSIDERATIONS 8
STANDARD HAND SIGNALS FOR CONTROLLING CRANE OPERATIONS 9
WARNING SIGNS AND DECALS 12
Stored Energy Signs 13
MACHINE OVERVIEW 14
PROPEL MACHINERY 15
MAIN FRAME AND DECKS 16
MACHINERY HOUSE 17
MAIN AIR SYSTEMS 18
Air Compressor 18
HYDRAULIC SYSTEM 19
OPERATOR’S CAB 20
MAST 20
Mast/Machinery 21
ROTARY GEARCASE 22
PULLDOWN GEARCASE 23
DRILL TOOL STRING ASSEMBLY 24
BREAKOUT WRENCH 25
CABLE REEL 25
65 OR 70 FOOT MAST – TYPICAL MACHINE SPECIFICATIONS 26
GENERAL ESTIMATED COMPONENT WEIGHTS 28
DECK PLAN LOCATED AT THE END OF THE MANUAL
GENERAL INFORMATION 5
OPERATION NEAR ELECTRICAL TRANSMISSION LINES 5
CONTROLS – LOCATION AND FUNCTION 6
OPERATOR’S CONTROL CONSOLES 7
OPERATOR’S CONTROL CONSOLE – OVERVIEW 7
LEFT CONTROL CONSOLE 8
LEFT CONTROL CONSOLE – OVERVIEW 8
PROGRAMMED DRILL CONTROL PUSHBUTTON — OPTION 9
OPERATING MODE SELECTOR SWITCH 9
PULLDOWN / HOIST SPEED RANGE SELECTOR SWITCH 9
HOIST BRAKE SWITCH 10
MAIN AIR VALVE SWITCH 10
DEPTH INDICATOR RESET PUSH-BUTTON 10
EMERGENCY STOP PUSH-BUTTON 11
BIT VIEW HATCH SWITCH 11
LEFT JOYSTICK (DUAL FUNCTION) – PROPEL TRACK / WINCH 11
ROTARY DRIVE SPEED SELECTOR SWITCH 12
HOIST/PULLDOWN RHEOSTAT 12
DUST CONTROL OPTION 12
DRY ON/OFF SWITCH — OPTION 12
WATER INJECTION ON/OFF SWITCH (OPTIONAL) 13
DUST CURTAIN SWITCH — OPTION 13
WATER INJECTION FLOW CONTROL (OPTIONAL) 13
UNDER DECK SPRAYERS — OPTION 13
RIGHT CONTROL CONSOLE 14
RIGHT CONTROL CONSOLE – OVERVIEW 14
PIPE POSITIONER SWITCH 15
RIGHT JOYSTICK (TRIPLE FUNCTION) – PROPEL TRACK / PIPE RACK / MAST 15
ROTARY SPEED POTENTIOMETER 16
DUST SEAL SLIDER SWITCH 16
PROPEL SPEED RANGE SELECTOR SWITCH 16
HORN PUSH-BUTTON 16
TOOL WRENCH SWITCH 17
BREAKOUT WRENCH SWITCH 17
PIPE RACK SELECTOR SWITCH 17
BIT CAROUSEL SWITCH 17
LEVELING JACK CONTROL SWITCHES 18
AUTO LEVEL SWITCH 18
AUXILIARY CONTROL CONSOLE 19
AUXILIARY CONTROL CONSOLE 19
EXTERIOR LIGHTS 19
TRAIL CABLE TRIP PUSH-BUTTON 19
FLOOR DEFROST SWITCH 20
HEATER / VENT / AIR CONDITIONER CONTROLS 20
BOARDING STAIRS SWITCH 20
RADIO / CASSETTE PLAYER 20
OPERATOR’S DISPLAY 21
OPERATOR’S DISPLAY MONITOR 21
DISPLAY AREA & INDICATORS 21
DISPLAY SCREENS 22
TITLE SCREEN 22
LEVELING SCREEN 23
STATUS SCREEN 23
ACTIVE ALARM 24
STATUS SCREEN with Pop-up Ribbon 24
ALARM HISTORY 25
HELP NAVIGATION 25
PLC DIAGNOSTICS 26
CALIBRATION and LIMITS 26
OPERATING HOURS 27
FIELD TESTS 27
MACHINERY HOUSE CONTROLS 28
LIGHTING LOAD CENTER 28
LIGHTING LOAD CENTER 28
CONTROLS LOCATED ON LOW VOLTAGE START CABINET 29
CONTROLS LOCATED ON LOW VOLTAGE CABINET 29
CONTROL LOCATED ON PROGRAMMABLE CONTROLLER CABINET 30
TYPICAL PROGRAMMABLE CONTROL CABINET 30
HOIST/PULLDOWN AND ROTARY DRIVE CONTROL CABINETS 30
TYPICAL HOIST/PULLDOWN AND ROTARY DRIVE CONTROL CABINETS 30
MISCELLANEOUS CONTROLS 31
PORTABLE REMOTE PROPEL STATION (OPTIONAL) 31
PORTABLE REMOTE PROPEL STATION 31
PRESTART CHECKS 32
EXTERNAL INSPECTION 32
ONBOARD INSPECTION 34
PRESTART LUBRICATION 36
START-UP 37
MACHINE START UP 37
MACHINERY CHECK 38
BREAK-IN OF NEW COMPONENTS 38
ROTARY DRIVE UNIT BREAK-IN 38
HOIST/PULLDOWN GEARCASE BREAK-IN 38
ELECTRIC MOTOR BREAK-IN 38
OPERATION 39
PROPELLING 39
DEFINITIONS 39
PROPEL PROCEDURE 40
STRAIGHT PROPEL – FORWARD OR REVERSE 41
GRADUAL RIGHT HAND TURN 42
GRADUAL LEFT HAND TURN 42
COUNTER-ROTATION LEFT HAND TURN 43
ENSURE GRADUAL TURNS ARE MADE – 15° INCREMENTS 43
TOWING PROCEDURE 45
TOWING PROCEDURE 45
CABLE REEL OPERATION 47
LEVELING 48
MAST RAISING AND LOWERING 49
MAST RAISING 50
MAST STATUS SCREEN 51
MAST LOWERING 52
PULLDOWN MACHINERY OPERATION 53
AUXILIARY WINCH OPERATION 54
PIPE RACK OPERATION 55
PIPE RACK OPERATION 56
TOOL HANDLING 58
PIPE LOADING AND UNLOADING 58
DRILL TOOL STRING ASSEMBLY 60
TOOL STRING 60
STABILIZER INSTALLATION 61
BREAKOUT WRENCH OPERATION 65
DRILL TOOL STRING DISASSEMBLY 66
ADDING ADDITIONAL DRILL PIPE 68
REMOVAL OF MULTIPLE SECTION DRILL PIPE 69
ANGLE DRILLING 70
ANGLE DRILLING EQUIPMENT 70
PIPE POSITIONER 71
JIB CRANE 72
DUST SUPPRESSION SYSTEM OPERATION 73
WATER INJECTION SYSTEM 74
DRILLING 75
VERTICAL DRILLING 75
STARTING THE HOLE (COLLARING) 76
NORMAL DRILLING 77
ENDING THE HOLE 79
ENDING THE HOLE (MULTIPLE PIPE SECTIONS) 80
DRILLING DIFFICULT FORMATIONS 80
UNCONSOLIDATED MATERIALS 81
WET OR STICKY FORMATIONS 83
ANGLE DRILLING 84
PROGRAMMED DRILL CONTROL DRILLING 85
PREPARING TO MOVE 86
MACHINE SHUTDOWN 87
SHUT DOWN PROCEDURE 87
SHORT TERM STORAGE 88
LONG TERM STORAGE 89
ATTENDED LONG TERM STORAGE 90
UNATTENDED LONG TERM STORAGE 90
TOOL RECOVERY 91
DRILL STABILITY CHART 93
Drill Stability Chart – Special Propel Conditions 93
Drill Stability Chart – Special Propel Conditions 94
LUBRICATION PRINCIPLES 3
Auto Lube Control Panel 4
Auto Lube Reservoir 5
Auto Lube Piping ~Mainframe (View #1) 6
Auto Lube Piping ~Mainframe (View #2) 7
Auto Lube Piping ~Crawlers 8
Auto Lube Piping ~Mast (View #1) 9
Auto Lube Piping ~Mast (View #2) 10
LINCOLN TYPE SL-1 LUBRICANT INJECTORS 11
LUBRICANT INJECTOR OPERATION 12
INJECTOR ADVANTAGES 13
TROUBLESHOOTING 14
BIT LUBRICATOR 15
FLOWMASTER PUMP SERVICING 16
PRESSURE CONTROL VALVE ADJUSTMENT 16
FLOW CONTROL VALVE ADJUSTMENT 17
FlowMaster Rotary Driven Hydraulic Pump Schematic 17
CRANK CASE OIL 17
PUMP DISASSEMBLY PROCEDURE 18
FlowMaster Rotary Driven Hydraulic Pump Assembly 19
PUMP ASSEMBLY PROCEDURE 20
FlowMaster Rotary Driven Hydraulic Pump Components 21
TROUBLESHOOTING 22
Lube Pump Hydraulic Schematic 23
LUBRICATION POINTS 24
GEARCASE AND RESERVOIR CAPACITIES 24
LOWER WORKS LUBRICATION 25
MAIN FRAME LUBRICATION 26
MAST LUBRICATION ~PART 1 27
MAST LUBRICATION ~PART 2 28
MAST LUBRICATION ~PART 3 29
LUBRICANT CLEANLINESS 30
LUBRICANT SELECTION 31
ACSL – AIR COMPRESSOR (SCREW-TYPE) LUBRICANT 32
MPO – MULTIPURPOSE OIL 33
RWRL – RUNNING WIRE ROPE LUBRICANT 34
HYDO – HYDRAULIC OIL 36
PAO SYNTHETIC HYDRAULIC FLUID 37
Recommended Viscosity vs OAT Chart 37
PARAFFINIC BASE PETROLEUM HYDRAULIC FLUID 37
Recommended Viscosity vs OAT Chart 38
4 Preventive Maintenance
INTRODUCTION 3
ELEMENTS OF AN EFFECTIVE MAINTENANCE PROGRAM 5
SCHEDULED PREVENTIVE MAINTENANCE PROGRAM 5
GENERAL SAFETY CONSIDERATIONS 6
MAINTENANCE DURING MACHINE OPERATION 6
MAINTENANCE PRECAUTIONS 7
PREVENTIVE MAINTENANCE FOR LUBRICATION 8
LUBRICANT CLEANLINESS 9
FREQUENCY OF INSPECTION AND MAINTENANCE 10
MAINTENANCE SCHEDULE & CHECK POINTS 10
DAILY 11
EXTERNAL INSPECTION 11
ONBOARD INSPECTION 14
AFTER START-UP INSPECTION 18
EVERY 100 HOURS, OR WEEKLY 19
ON-BOARD INSPECTION 22
EVERY 500 HOURS, OR MONTHLY 24
EVERY 2500 HOURS, OR SEMI-ANNUALLY 26
5 Service Procedures
LOWER WORKS 5
Lower Works – Overview 5
CRAWLER BELTS 6
ADJUSTMENT 6
Crawler Belt Tension – Checking 6
Crawler Belt Adjustment – Details 7
LINK REPLACEMENT 8
BELT REPLACEMENT 9
Crawler Belt Replacement – Details 9
LOWER ROLLERS 10
Lower Roller – Details 10
REPAIR 11
UPPER ROLLERS 12
Upper Roller – Details 12
REPAIR 13
TAKE-UP TUMBLERS 14
REPAIR 14
DRIVE TUMBLER 16
Drive Tumbler and Planetary Gearbox Installation 16
REPAIR 16
PLANETARY GEARBOX 17
GEARBOX REMOVAL AND INSTALLATION 17
Planetary Gearbox Mount Bolt Torque Sequence 18
CHECKING/CHANGING OIL 19
Planetary Gearbox Oil Check – Details 19
LUBRICANT SPECIFICATIONS 20
Planetary Gearbox Lubrication Specifications 20
Oil Change Intervals 20
CRAWLER FRAMES 21
REPAIR 21
Crawler Frame Removal/Blocking 22
AXLES 23
Equalizer Axle – Details 23
REPAIR 24
Rear Axle – Details 24
MAINFRAME 26
Main Frame – Details 26
REPAIR 27
BIT VIEWING HATCH 27
Bit Viewing Hatch – Details 27
MAST A-FRAME 28
BI006979
49HR Blast Hole Drill
Bucyrus International, Inc
Manual No 11215 5 – 2 February 2012
REPAIR 28
LEVELING JACKS 29
Leveling Jack – Details 29
REPAIR 30
MACHINERY HOUSE 33
REPAIR 33
Machinery House – Exploded View 34
HOUSE VENTILATION FAN AND FILTER 35
Machinery House Ventilation Fan 35
WALKWAYS AND LADDERS 36
Retractable Boarding Stairway – Details 36
OPERATOR’S CAB 37
Operator’s Cab Location Mounting 37
OPERATOR’S SEAT 38
OPERATOR’S CONTROLS 38
Operator’s Controls 38
AIR CONDITIONING UNIT WITH HEATER 39
Operator’s Cab Heating/Air Conditioning Unit 39
HYDRAULIC PUMP DRIVE 40
Hydraulic Pump Drive 40
Hydraulic Pump Drive Gearbox – Details 41
CABLE REEL 43
CHAIN TENSIONING 45
HYDRAULIC ADJUSTMENTS 46
View A – Hydraulic Adjustment Locations 46
HYDRAULIC DRIVE START UP INSTRUCTIONS 47
LUBRICATION 49
REPAIR 49
MAST STRUCTURE 50
REPAIR 51
MAST SAFETY SLINGS 51
Upper Safety Sling 51
REPAIR 52
Lower Safety Sling – Optional 52
ROTARY GEARCASE 53
Rotary Machinery/Gearcase 53
DRIVE SHAFT ADJUSTMENT 54
Rotary Machinery Intermediate Shaft 55
REPAIR 56
REMOVE THE UPPER BEARING RETAINER 56
Rotary Machine Driveshaft – Details 60
ROTARY MOTOR 63
Rotary Drive Motor – Details 63
ROTARY COUPLING 65
REPAIR 65
Rotary Coupling – Details 65
ROTARY SHOCK COUPLING 67
REPAIR 67
ROTARY/PULLDOWN GUIDE FRAME 69
Rotary Pulldown Guide Frame – Details 69
BI006979
49HR Blast Hole Drill
Bucyrus International, Inc
February 2012 5 – 3 Manual No 11215
GUIDE ROLLER ADJUSTMENT 70
Rack Pinion and Upper Guide Roller – Details 70
Lower Guide Rollers – Details 71
REPAIR 72
COUPLING ALIGNMENT 74
PULLDOWN GEARCASE 76
Pulldown Machinery – Overview 76
REPAIR 77
Pulldown/Machinery Gearcase and Base 77
Pulldown/Machinery First Intermediate and Shipper Shaft 78
Pulldown Machinery Second Intermediate Shaft 79
Pulldown Machinery Input Shaft 81
HOIST BRAKE 84
INSPECTION 84
Brake Wear Adjustment 84
Hoist Brake – Details 85
BRAKE WEAR ADJUSTMENT 86
REPLACEMENT OF FRICTION DISCS 86
DISASSEMBLY OF MAGNET BODY AND ARMATURE 87
RE-ASSEMBLY OF MAGNET BODY AND ARMATURE 87
PIPE RACKS 88
RH Pipe Rack – Details 88
LH Pipe Rack – Details 89
REPAIR 89
Pipe Rack Variable Equipment 91
TOOL WRENCH 92
Tool Wrench – Details 92
REPAIR 93
BREAKOUT WRENCH 94
REPAIR 94
GENERAL GUIDELINES FOR DISASSEMBLY 94
AUXILIARY WINCH 95
MAST BRACES 96
Mast Braces – Details 96
REPAIR 97
ADJUSTMENT 97
HYDRAULIC SYSTEM 98
SYSTEM OPERATION 98
Hydraulic Components – Overview 98
CYLINDER CIRCUIT HYDRAULIC SYSTEM 99
PROPEL CIRCUIT HYDRAULIC SYSTEM 100
GENERAL MAINTENANCE 100
HYDRAULIC SYSTEM CLEANLINESS 100
OIL REQUIREMENTS 101
OIL AND FILTER CHANGES 101
WEEKLY MAINTENANCE CHECKS 102
OIL RESERVOIR REPAIRS 102
LEVELING JACK COUNTERBALANCE VALVE PRESSURE RELIEVING PROCEDURE 102
REAR JACKS 103
BI006979
49HR Blast Hole Drill
Bucyrus International, Inc
Manual No 11215 5 – 4 February 2012
FRONT JACK 103
PRE-START INSPECTION 104
HYDRAULIC SYSTEMS TESTS 105
PROPEL PUMP CHARGE PRESSURE CHECK 105
CONTROL PRESSURE CHECK 106
PROPEL ENABLE VALVE AND LOW SPEED SELECT CHECK 106
JACK CYLINDER CHECK IN MANUAL MODE 107
FLOW CONTROL CHECK 108
JACK CYLINDER DRIFT TEST 110
BRAKE RELEASE PRESSURE CHECK 110
PROPEL BRAKE EMERGENCY RELEASE CHECK 111
PROPEL PUMP MAIN RELIEF PRESSURE CHECK 111
CRAWLER FUNCTION CHECK 112
BIT VIEWING HATCH CHECK 113
BOARDING STAIR CHECK 113
MAIN FLOW VALVE CHECK 113
BREAKOUT WRENCH AND TOOL WRENCH CHECK 113
DUST CURTAIN CYLINDERS 113
DUST SEAL SLIDER 114
MAST LOCK 114
MAST BRACE LOCK CYLINDERS 114
A-FRAME LOCK CYLINDERS 114
MAST LOCK CONSTANT PRESSURE CHECK 115
MAST BRACE CONSTANT PRESSURE CHECK 115
A-FRAME LOCK CONSTANT PRESSURE CHECK 115
MAST RAISE/LOWER 116
AUXILIARY WINCH 117
HYDRAULIC CENTRAL LUBE DRIVE PRESSURE CHECK 118
WINDOW GUARD FUNCTION CHECK – OPTION 118
CHECK JACKS IN AUTO LEVEL MODE 119
PIPE RACK POSITION CHECK 120
PIPE RACK LOCK AND GATE CYLINDER PORT RELIEF SETTING 120
PIPE THREAD LUBRICATOR CHECK 120
PIPE POSITIONER FUNCTION CHECK 121
CENTER GUIDE FUNCTION CHECK 121
AUTOMATIC BREAKOUT WRENCH CHECK 122
DUST CONTROL 122
GENERAL MAINTENANCE 122
DRILLING PLATFORMS AND DUST CURTAINS 122
WATER INJECTION – OPTION 123
OPERATION 123
FILLING WATER TANK 123
DUST COLLECTOR – OPTION 124
OPERATION 124
6 Brakes And Couplings
BRAKE HUB INSTALLATION 3
Hub Adapter Pre-Heat Advance Requirements Table 4
MOTOR COUPLING INSTALLATION 5
Motor Coupling Pre-Heat Advance Requirements Table 6
PARALLEL MISALIGNMENT 7
Checking for Parallel Misalignment 7
ANGULAR MISALIGNMENT 8
Checking for Angular Misalignment 8
MISALIGNMENT EXAMPLES 9
Parallel Misalignment Example 9
Angular Misalignment Example 9
Combination Misalignment Example 10
7 Compressed Air System
COMPRESSED AIR SYSTEMS 3
AIR COMPRESSOR 4
Separator Control Components 5
AIR INTAKE FILTER 6
OIL DRAIN VALVE 7
VARIABLE VOLUME CONTROL 7
SEPARATOR MAINTENANCE 9
SEPARATOR COVER HARDWARE TIGHTENING PROCEDURE 10
ROTARY SCREW COMPRESSOR 11
Compressor Air End Assembly 11
OIL SYSTEM 13
START UP AND VENT MODE 13
DRILL MODE 14
VARIABLE VOLUME OPTION 14
COMPRESSOR START-UP 15
COMPRESSOR SHUTDOWN MODES 16
COMPRESSOR FAILURE FAULT 16
COMPRESSOR COOLING FAILURE FAULT 16
COMPRESSOR OVERHEAT FAULT 16
COMPRESSOR AIR TEMPERATURE FAULT 16
THERMOSTATIC CONTROL VALVE 17
INLET REGULATING VALVE 19
DISCHARGE AIR TEMPERATURE GAUGE 19
SAFETY RELIEF VALVE 19
SOLENOID BLOWDOWN VALVE 19
8 Heating, Ventilation and Air Conditioning
AIR CONDITIONING UNIT 3
DESCRIPTION 3
OVERVIEW 4
EVAPORATOR 4
SPECIFICATIONS 5
HOUSE FANS 5
INSPECTION 5
LUBRICATION 6
9 Engineering Data
CAPSCREW (BOLT) GRADE 3
BOLT TIGHTENING 4
TORQUE WRENCH METHOD 4
Table 1 – Lubricated or Plated Threads or with Hardened Washers 4
Table 2 – Dry Threads 4
TURN-OF-NUT METHOD 5
Table of Snug Tight Torque Values 5
WIRE LOCKING CAPSCREWS 6
Patterns for Wirelocking Capscrews 6
MAINTENANCE WELDING 7
WELDING ELECTRODES 8
REPAIR WELDING OF CRACKS 9
Joint Preparation for Repair of Cracks 9
PREHEAT 10
WELDING TECHNIQUE 10
REPAIR WELDING OF BROKEN PARTS 11
WELDING AND CUTTING EQUIPMENT 12
STRESS RELIEVING & TEMPERATURE MEASURING EQUIPMENT 12
GEAR INSPECTION 14
Gear Tooth Surface Failures 15
AEROQUIP ORS CONNECTIONS 16
ORS Connection Assembly 16
10
SCHEMATICS 2
SIDE VIEW 3
DECK PLAN 4
MAIN HYDRAULIC 5
MAIN HYDRAULIC CONTINUED 6
MAIN HYDRAULIC RESERVOIR AND INLET 7
JACK HYDRAULIC SCHEMATIC 8
CRAWLER HYDRAULIC SCHEMATIC 9
MAST HYDRAULIC SCHEMATIC 10
HYDRAULIC SOLENOID VALVE & GAGE PORT LOCATION 11
AIR SCHEMATIC 12
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