Komatsu WB150AWS-N WB150AWS-2N Backhoe Loader Workshop Service Repair Manual PDF - MKMTSWB150AWSN.zip

A full workshop service and repair guide, featuring Electrical Wiring Diagrams for the Komatsu Backhoe Loader WB150AWS-2N, packed with the technical detail needed to service, troubleshoot, fix, and rebuild the machine the way professional technicians do.

The Komatsu Backhoe Loader WB150AWS-N workshop service repair manual contains:

* Numbered table of contents easy to use so that you can find the information you need fast.

* Detailed sub-steps expand on repair procedure information

* Numbered instructions guide you through every repair procedure step by step.

* Troubleshooting and electrical service procedures are combined with detailed wiring diagrams for ease of use.

* Notes, cautions and warnings throughout each chapter pinpoint critical information.

* Bold figure number help you quickly match illustrations with instructions.

* Detailed illustrations, drawings and photos guide you through every procedure.

* Enlarged inset helps you identify and examine parts in detail.

CEAM010900 - Backhoe Loader WB150AWS-2N Operation & Maintenance Manual.pdf

CEAM013002 - Backhoe Loader WB150AWS-2N Operation & Maintenance Manual.pdf

CEBM011300 - Backhoe Loader WB150AWS-2N Shop Manual.pdf

PRODUCT DETAILS:

Total Pages: 1,012 pages

File Format: PDF (Internal Links, Bookmarked, Table of Contents, Searchable, Printable, high quality)

Language: English

TABLE OF CONTENTS

CEAM010900 - Backhoe Loader WB150AWS-2N Operation & Maintenance Manual...1

COVER...1

INTRODUCTION...7

FOREWORD...8

SAFETY INFORMATION...9

SIGNAL WORDS...9

APPROVED AND NON-APPROVED USES...10

NON-APPROVED...10

PRODUCT INFORMATION...11

MAIN FEATURES...11

BREAK-IN PERIOD...11

SYNTHETIC BIODEGRADABLE OIL TYPES...11

PRODUCT IDENTIFICATION...12

MACHINE SERIAL NUMBER...12

MACHINE IDENTIFICATION PLATE...12

ENGINE SERIAL NUMBER AND EMISSION LABEL...13

FRONT AXLE SERIAL NUMBER...13

REAR AXLE SERIAL NUMBER...13

TRANSMISSION SERIAL NUMBER...14

CAB SERIAL NUMBER...14

CANOPY SERIAL NUMBER...14

SERIAL NUMBERS AND DEALER INFORMATION...15

MODEL: WB150AWS-2N...15

CONTENTS...16

SAFETY...25

GENERAL SAFETY RULES AND PRECAUTIONS...26

GENERAL SAFETY RULES...26

SAFETY FEATURES...27

PERSONAL PROTECTIVE EQUIPMENT...27

UNAUTHORIZED MODIFICATIONS...27

LEAVING OPERATOR’S COMPARTMENT...28

MOUNTING AND DISMOUNTING...29

FIRE PREVENTION FOR FUEL AND OIL...29

DUST HAZARD PRECAUTIONS...30

CRUSH OR PINCH POINT DANGERS...30

FIRE EXTINGUISHER AND FIRST AID KIT...30

INSIDE OPERATOR’S COMPARTMENT...31

PRECAUTIONS WHEN USING ROPS...31

PRECAUTIONS FOR ATTACHMENTS...31

PRECAUTIONS BEFORE STARTING WORK OPERATIONS...32

PRE-OPERATIONAL CHECKS...32

PERFORM A WALK AROUND CHECK OF YOUR MACHINE...32

UNDER THE HOOD...32

IN THE OPERATOR’S CAB...33

START-UP CHECKS...33

STARTING YOUR WORK OPERATIONS...33

WORK SITE HAZARDS...34

WORKING CLEARANCES...34

RULES FOR ROAD TRAVEL...35

RULES FOR TRAVELING IN REVERSE...36

TRAVELING ON ICY OR SNOW-COVERED SURFACES...36

WORKING ON LOOSE OR UNSTABLE GROUND...36

PRECAUTIONS DURING MAINTENANCE OPERATIONS...37

WARNING TAGS...37

EQUIPMENT STORAGE...37

WORKING UNDER THE MACHINE...38

USING DROP LAMPS...38

KEEPING THE MACHINE CLEAN...38

RUNNING THE MACHINE DURING MAINTENANCE...38

RULES FOR REFUELING THE MACHINE...39

COOLING SYSTEM PRECAUTIONS...39

BATTERY PRECAUTIONS...40

STARTING THE MACHINE...40

WELDING PRECAUTIONS...41

HIGH PRESSURE HOSES...41

HIGH TEMPERATURES AREAS...42

ROTATING PARTS...42

DISPOSAL OF WASTE MATERIALS...42

INFLATING TIRES...42

CRITICAL PARTS...43

VIBRATIONS TO WHICH THE OPERATOR IS EXPOSED...43

SAFETY AND WARNING DECALS...44

LOCATION OF THE SAFETY DECALS...44

LOCATION OF THE PICTOGRAM DECALS...60

OPERATION...63

GENERAL VIEW OF MACHINE...64

FRONT VIEW OF MACHINE...64

REAR VIEW OF MACHINE...65

PICTOGRAMS...66

WORK AREA DANGERS...66

MOVING OR ROTATING ENGINE COMPONENTS...66

FILLING THE HYDRAULIC SYSTEM...66

ENGINE OIL FILTER...66

BRAKE FLUID...66

FUEL FILTER...67

ENGINE COOLANT...67

AIR FILTER...67

ENGINE COOLANT PRESSURE WARNING...67

HYDRAULIC OIL LEVEL...67

HYDRAULIC OIL FILTER...67

TRANSMISSION OIL LEVEL...68

TRANSMISSION FLUID FILTER...68

ANCHORAGE POINT...68

EMERGENCY EXIT...68

BOOM LOCK...68

SWING LOCK...68

DESCRIPTION OF MACHINE OPERATION CONTROLS...69

INSIDE THE CAB...69

FRONT INSTRUMENT BEZEL AND CONTROLS...70

TRANSMISSION OIL TEMPERATURE ALERT...70

ENGINE COOLANT TEMPERATURE ALERT...70

FOUR-WHEEL DRIVE (IN/OUT) INDICATOR...71

LOW FUEL ALERT...71

DIRECTIONAL SIGNAL INDICATOR...71

HIGH BEAM INDICATOR...71

PARKING BRAKE AND BRAKE FLUID ALERT...71

OPTIONAL EQUIPMENT INDICATOR...71

MULTIFUNCTIONAL DIRECTIONAL SWITCH...71

FOUR-WHEEL DRIVE SWITCH...72

WINDSHIELD WIPER/WASHER SWITCH...72

FRONT WORK LAMPS SWITCH...72

EMERGENCY (HAZARD) SWITCH...72

OPTIONAL EQUIPMENT SWITCH...72

OPTIONAL EQUIPMENT SWITCH...72

STEERING CONTROL SWITCHES...72

ELECTRONIC MONITOR SYSTEM...73

SERVICE HOURS DISPLAY...73

TYPES OF OILS TO USE...73

MAINTENANCE INTERVAL...74

MAINTENANCE ALERT...74

MAINTENANCE TO BE PERFORMED...75

LANGUAGE SELECTION...76

SPEED INDICATION...76

TIRE PRESSURE AND SIZE...77

OPERATING ALERTS AND WARNINGS...77

SIDE INSTRUMENT BEZEL AND CONTROLS...81

FUEL LEVEL GAUGE...81

TACHOMETER AND HOUR METER...81

ENGINE COOLANT TEMPERATURE GAUGE...82

AIR CLEANER RESTRICTION ALERT...82

ENGINE OIL PRESSURE ALERT...82

GLOW PLUGS PREHEAT INDICATION...82

ALTERNATOR ALERT...82

ENGINE COOLANT TEMPERATURE ALERT...83

OPTIONAL EQUIPMENT ALERT...83

AUDIBLE WARNING SYSTEM...83

REAR WORK LAMPS...83

WINDSHIELD WIPER/WASHER SWITCH...83

EMERGENCY FLASHING LIGHT SWITCH...83

REAR HORN...84

AIR CONDITIONING SWITCH (OPTIONAL)...84

LOAD STABILIZER SWITCH (OPTIONAL)...84

IGNITION SWITCH...84

BLOWER SWITCH...84

BACKHOE POWER CONTROL SWITCH...85

BACKHOE BOOM LOCK SWITCH...85

OPTIONAL SWITCH LOCATIONS...85

FRONT END LOADER CONTROLS...86

LOADER DECLUTCH CONTROL BUTTON...86

OPTIONAL CONTROL BUTTON...86

BUCKET OPEN BUTTON...87

BUCKET CLOSE BUTTON...87

LOADER SPEED CONTROL BUTTON...87

LOADER KICK-DOWN BUTTON...87

GEAR SHIFT LEVER CONTROL SYSTEM...88

MAIN FUNCTIONS...88

GEAR SHIFT SYSTEM OPERATION...89

STARTING THE ENGINE...89

SECURITY CODE OPERATION...90

(DIM) BUTTON OPERATION...90

4WD PUSH BUTTON OPERATION...91

SHIFTING WITH (SA) SEMIAUTOMATIC LOGIC...91

ACCIDENTAL SELECTION PREVENTION...92

AUTOMATIC LOGIC (AU) BUTTON...92

SHIFTING WITH THE (AU) AUTOMATIC LOGIC...92

USING FWD/REV WITH (AU) OR (SA) ENGAGED...92

KICK-DOWN FOR 1ST. AND 2ND. GEAR...93

DECLUTCH FOR 1ST. AND 2ND. GEAR ONLY...93

SYSTEM DIAGNOSTIC FUNCTIONS...94

BRAKES, PARKING BRAKE, ACCELERATOR AND THROTTLE CONTROL...95

BRAKE PEDALS...95

PARKING BRAKE...95

ACCELERATOR PEDAL...96

HAND THROTTLE...96

USING THE STEERING SELECTOR MODE...97

STEERING SELECTION OPERATION...97

SWITCHING STEERING MODES...98

CAB ENVIRONMENT AND SAFETY EQUIPMENT...101

HEATING AND VENTILATION SYSTEM...101

AIR CONDITIONING (optional)...101

HEATING SYSTEM...101

SEAT AND SEAT BELT...102

SEAT...102

SEAT BELT...102

SAFETY EQUIPMENT AND STORAGE AREAS...103

FIRE EXTINGUISHER...103

FIRST AID KIT...103

DOCUMENT STORAGE...103

TOOL CASE (if provided)...103

CAB AND GUARDS...104

CAB...104

DOORS AND WINDOWS...104

ENGINE HOOD...105

ELECTRICAL...106

SWITCHES AND EXTRA ACCESSORIES...106

OVERHEAD LAMP...106

BATTERY DISCONNECT...106

OPTIONAL ELECTRICAL SWITCH LOCATION...106

FUSES AND RELAYS...107

FUSE AND RELAY PANEL LOCATION...107

DASHBOARD RELAY LOCATION...107

FUSE AND RELAY PANEL LAY OUT...108

ENGINE FUSE AND RELAY LOCATION...109

OPERATING THE MACHINE...111

CHECKING THE FUEL SUPPLY...111

STARTING THE ENGINE...111

STARTING THE ENGINE IN COLD WEATHER...112

WARMING THE MACHINE UP...113

SHUTTING THE ENGINE DOWN...113

OPERATING THE FRONT END LOADER AND BACKHOE...114

OPERATING THE FRONT END LOADER...114

CONTROL LEVER POSITIONS...114

PERFORMING LOADING OPERATIONS...115

BUCKET POSITION INDICATOR...115

ORGANIZING YOUR WORK AREA...115

LOADING HEAPED MATERIAL...116

LOADING A TRUCK BED OR TRAILER...116

WORKING ON SLOPES WITH A LOADED BUCKET...117

CHANGING THE FRONT BUCKET...117

OPERATING THE BACKHOE...118

POSITIONING THE MACHINE...118

ADJUSTING THE DIGGING BUCKET...119

DIGGING METHODS...120

CHANGING THE BACKHOE BUCKET...121

ISO BACKHOE CONTROLS...122

KOMATSU BACKHOE CONTROLS...123

SAFETY LOCK USAGE...124

BACKHOE LOCKS...126

MOVING OR TRAVELING WITH THE MACHINE...127

TRAVELING...127

TRAVELING ON SLOPES...128

USING THE FOUR-WHEEL DRIVE SYSTEM...129

TRAVELING OR WORKING IN SWAMPY OR WET AREAS...130

PARKING THE MACHINE...131

FOR SHORT OR LONG PERIODS OF TIME...131

PARKING ON AN INCLINE...132

TRANSPORTING THE MACHINE...133

LOADING AND SECURING THE MACHINE...133

EMERGENCY RECOVERY...134

HOW TO MOVE THE MACHINE...134

PRECAUTIONS DURING SEASONAL CHANGES...135

COLD SEASONS...135

FUEL AND LUBRICANTS...135

COOLANT...135

BATTERY...135

WARM SEASONS...136

BASIC TROUBLESHOOTING...137

THE BATTERY...137

SERVICING THE BATTERY...137

REMOVAL AND INSTALLATION...137

STARTING THE ENGINE WITH BOOSTER CABLE...138

ELECTRICAL CIRCUITS...139

HYDRAULIC SYSTEM...139

BRAKING SYSTEM...140

TORQUE CONVERTER SYSTEM...140

ENGINE...141

MAINTENANCE...143

GUIDE TO MAINTENANCE...144

MAINTENANCE NOTES...145

NOTES REGARDING THE ENGINE...145

ENGINE OIL...145

COOLANT...146

FUEL...146

NOTES REGARDING THE HYDRAULIC SYSTEM...146

NOTES REGARDING THE ELECTRICAL SYSTEM...147

NOTES REGARDING LUBRICATION...147

PARTS SUBJECT TO WEAR THAT PERIODICALLY NEED CHANGING...148

FUEL, COOLANT, AND LUBRICANTS...149

PROPER SELECTION ACCORDING TO THE AMBIENT TEMPERATURE...149

GREASE...150

REMARKS...151

HOMOLOGATED (HEES) SYNTHETIC BIODEGRADABLE LUBRICANTS...153

LUBRICATION DIAGRAMS...153

GENERAL...154

MULTIPURPOSE BUCKET AND PALLET FORKS...155

FRONT BUCKET QUICK COUPLINGS...156

TELESCOPIC ARM...157

PERIODIC REPLACEMENT OF COMPONENTS CONNECTED WITH SAFETY...158

CRITICAL PARTS FOR SAFETY...159

FUEL SUPPLY SYSTEM...159

DELIVERY / RETURN HYDRAULIC SYSTEM...160

LOADER AND BACKHOE HYDRAULIC SYSTEM...161