CAT DBT RB2-88 ROOF BOLTER OPERATION PREVENTIVE MAINTENANCE & SERVICE GUIDE (A6474X196) – PDF DOWNLOAD

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CAT DBT RB2-88 ROOF BOLTER OPERATION PREVENTIVE MAINTENANCE & SERVICE GUIDE (A6474X196) – PDF DOWNLOAD

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CAT DBT RB2-88 ROOF BOLTER OPERATION PREVENTIVE MAINTENANCE & SERVICE GUIDE (A6474X196) – PDF DOWNLOAD

Language : English
Pages : 157
Downloadable : Yes
File Type : PDF

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CAT DBT RB2-88 ROOF BOLTER OPERATION PREVENTIVE MAINTENANCE & SERVICE GUIDE (A6474X196) – PDF DOWNLOAD

PURPOSE OF THIS GUIDE
This guide provides operating and maintenance information for operators of the Model RB2- 88 Roof Bolter. Maintenance and lubrication procedures are those normally performed by maintenance personnel. The techniques of roof bolting are beyond the scope of this guide and no such information is included. The guide is divided into six (6) sections:
SECTION 1 – GENERAL
This section contains general information about the roof bolter.
SECTION 2 – OPERATION
This section explains pre-operation, start-up, and basic operating procedures.
SECTION 3 – MAINTENANCE
This section explains the periodic maintenance procedures; it also includes lubrication requirements.
SECTION 4 – MECHANICAL
This section explains the major mechanical components and assemblies, and explains their function.
SECTION 5 – HYDRAULIC
This section explains the hydraulic circuits and the operation of major hydraulic components.
SECTION 6 – ELECTRICAL
This section explains the electrical system and the operation of major electrical components

TABLE OF CONTENTS:

CAT DBT RB2-88 ROOF BOLTER OPERATION PREVENTIVE MAINTENANCE & SERVICE GUIDE (A6474X196) – PDF DOWNLOAD

IMPORTANT SAFETY INSTRUCTIONS . 1
MAJOR HAZARDS 2
SAFETY PRECAUTIONS AND GUIDELINES 4
OVERVIEW . 4
PRE-START INSPECTION . 4
STARTING . 4
OPERATION . 4
STOPPING 5
MAINTAINANCE . 5
INTRODUCTION 7
SECTION 1 – GENERAL INFORMATION . 9
CONTROLS AND INDICATORS . 17
OPERATOR’S COMPARTMENT 17
FIRE SUPPRESSION ACTUATORS 17
STOP/START SWITCH . 18
PANIC BAR (Operator’s Compartment) 18
TRAM PEDAL 19
VALVE BANK CONTROL LEVERS (Operator’s Compartment) 19
CABLE REEL CONTROL LEVER . 19
STEERING WHEEL 20
GAUGE BLOCK 20
P.T.O. DIVERSION VALVE (Optional) 21
JET FILL DIVERSION VALVE (Optional) 21
BOOM ARM CONTROLS 21
POSITIONING CONTROLS (Left Boom) 22
POSITIONING CONTROLS (Right Boom) . 23
CRADLE SWING CONTROL LEVERS . 23
CRADLE LIFT CONTROL LEVERS 23
SUPPORT ARM CONTROL LEVERS 23
UP-FRONT STEERING . 23
DRILLING CONTROLS . 23
DRILL SUMP CONTROL LEVER . 24
BOOM FEED CONTROL LEVER . 24
FAST FEED CONTROL LEVER . 24
ROTATION CONTROL LEVER 24
INCH TRAM CONTROL LEVER . 25
PANIC BARS (Booms) 25
EMERGENCY STOP BUTTON (Left Boom) . 25
STOP/START SWITCH (Right Boom) . 25
CONTROLLER BOX CONTROLS . 26
LIGHT SWITCH LEVER 26
CIRCUIT BREAKER LEVER . 26
“OPTIONAL” DOLLY BAR CONTROL LEVERS . 26
SECTION 2 – OPERATION 27
PRELIMINARY CHECKS 27
BEFORE OPERATING MACHINE 27
TO OPERATE MACHINE 28
DRILLING 31
EXTENSION STEELS SELECTION 33
DRILLING WITH EXTENSION STEELS . 34
DUAL RELIEF VALVE 36
FUNCTION 36
LIMITING TORQUE . 36
LIMITING THRUST . 36
MECHANICAL FUNCTIONS . 36
RESIN BOLTS . 37
DRILL OPTIONS AND ADJUSTMENTS 38
INSTALLATION OF MECHANICALLY ANCHORED ROCK BOLTS 39
INSTALLATION OF FULLY GROUTED RESIN BOLTS . 41
SHUTDOWN PROCEDURE 43
SAFETY PRECAUTIONS FOR UNDERGROUND OPERATION 44
GENERAL DRILLING AND BOLTING SAFETY . 44
TRAMMING SAFETY RULES . 44
SHUTTING DOWN THE ROOF BOLTER 45
HAZARD ZONE . 46
TOWING A DISABLED MACHINE . 47
SECTION 3 – GENERAL MAINTENANCE INSTRUCTIONS 49
BEFORE MAINTENANCE OR SERVICING . 49
MAINTENANCE CHECK LIST 50
PERIODIC MAINTENANCE PROCEDURES . 51
EVERY SHIFT . 51
DAILY 55
WEEKLY 58
EVERY THREE MONTHS . 60
EVERY SIX MONTHS . 62
YEARLY . 63
LUBRICATION CHART . 64
LUBRICANT SPECIFICATIONS . 66
SECTION 4 – MECHANICAL FUNCTIONS . 69
GENERAL 69
MECHANICAL OPERATION 69
PRIMARY POWER SOURCE . 69
TRAM AND STEERING SYSTEM 70
DRILLING ROTATION 71
CRADLE, BOOM, AND SUPPORT ARM ASSEMBLIES 72
PRIMARY POWER BOOM OPERATION 73
CRADLE . 74
SUPPORT ARM OPERATION . 75
CRADLE, BOOM, AND SUPPORT ARM ASSY: PINS, BUSHINGS, & SLIDERS 76
TURNTABLE 77
DUST COLLECTION SYSTEM 78
CABLE REEL . 79
MECHANICAL COMPONENTS 80
REEL DRIVE . 80
PUMP DRIVE . 81
TRAM REDUCER . 82
MULTIPLE DISC BRAKE . 83
DRILL BOX . 84
DUST SYSTEM VACUUM BLOWER . 85
DUST COLLECTORS 87
SECTION 5 – HYDRAULIC FUNCTIONS 89
PURPOSE 90
GENERAL 90
BASIC ELEMENTS OF HYDRAULICS 96
HYDRAULIC CIRCUITS 102
TRAM CIRCUITS . 102
REAR TRAM CIRCUIT 104
FRONT TRAM CIRCUIT . 105
INCH TRAM CIRCUIT . 106
STEERING CIRCUIT . 107
ROTATION (DRILLING CONTROL) VALVE BANK CIRCUIT 108
ROTATION CIRCUIT 109
FAST FEED CIRCUIT . 110
FEED (BOOM LIFT) CIRCUIT 111
CRADLE VALVE BANK CIRCUIT . 112
SUPPORT ARM CIRCUIT . 113
CRADLE SWING CIRCUIT . 114
CRADLE LIFT CIRCUIT 115
CABLE REEL CIRCUIT . 116
HYDRAULIC COMPONENTS . 117
DOUBLE TANDEM PUMP 117
GEAR TYPE HYDRAULIC MOTORS . 118
TRAM MOTORS 119
STEERING VALVE 121
CONTROL VALVES 122
UNIT CONTROL VALVE OPERATION . 123
MOTION CONTROL VALVE . 124
DUAL RELIEF VALVE . 125
PILOT RELIEF VALVE 126
CARTRIDGE RELIEF VALVES . 127
PORT RELIEF VALVES 128
PILOT OPERATED CHECK VALVES 130
SHUTTLE VALVES 130
FLOW CONTROL VALVE 131
FLOW LIMITERS 132
HYDRAULIC JACKS 133
HYDRAULIC FLUID FILTER 134
PRESSURE GAUGES . 134
SECTION 6 – ELECTRICAL FUNCTIONS 135
GENERAL 136
SEQUENCE OF OPERATION, AC MACHINE . 136
AC MOTOR . 139
STARTER (CONTROLLER) BOX (AC) . 140
STARTER BOX COMPONENTS, AC MACHINES . 141
CIRCUIT BREAKER 141
STARTER 141
HEADLIGHT SWITCH . 141
TRANSFORMER . 141
THERMAL OVERLOAD RELAY . 141
CONTROL STATION SWITCH (START/STOP SWITCH) 142
EMERGENCY STOP SWITCH . 143
CABLE REEL 144

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