Komatsu WA800-3E0, WA900-3E0 Wheel Loader Index:

CONTENTS
FOREWORD 1- 1
READ THIS MANUAL 1- 2
SAFETY INFORMATION 1- 3
SAFETY LABELS 1- 4
SAFETY LABELS USING PICTOGRAMS 1- 4
VIBRATION LEVELS 1- 5
VIBRATION – OPERATING CONDITION 1- 5
GUIDE TO REDUCE VIBRATION LEVELS ON MACHINE 1- 5
INTRODUCTION 1- 7
USE OF MACHINE 1- 7
FRONT/REAR, LEFT/RIGHT DIRECTIONS OF MACHINE 1- 7
VISIBILITY FROM OPERATOR’S SEAT 1- 8
NECESSARY INFORMATION 1- 9
PRODUCT IDENTIFICATION NUMBER (PIN)/MACHINE SERIAL NO. PLATE 1- 9
ENGINE SERIAL NO. PLATE 1- 9
FLUORINATED GREENHOUSE GASES 1- 10
POSITION OF SERVICE METER 1- 10
YOUR MACHINE SERIAL NUMBERS AND DISTRIBUTOR 1- 10
SERIAL PLATE 1- 11
DECLARATION OF CONFORMITY 1- 12
SAFETY 2- 1
SAFETY 2- 2
SAFETY LABELS 2- 5
LOCATION OF SAFETY LABELS 2- 6
SAFETY LABELS 2- 9
LOCATION OF SAFETY LABELS FOR TECHNICIAN 2- 24
GENERAL PRECAUTIONS COMMON TO OPERATION AND MAINTENANCE 2- 26
PRECAUTIONS BEFORE STARTING OPERATION 2- 26
PREPARATIONS FOR SAFE OPERATION 2- 26
FIRE PREVENTION 2- 28
PRECAUTIONS WHEN GETTING ON OR OFF MACHINE 2- 29
DO NOT GET CAUGHT IN ARTICULATING PORTION 2- 32
PRECAUTIONS RELATED TO PROTECTIVE STRUCTURES 2- 32
UNAUTHORIZED MODIFICATION 2- 33
PRECAUTIONS RELATED TO ATTACHMENTS AND OPTIONS 2- 33
PRECAUTIONS WHEN RUNNING ENGINE INSIDE BUILDING 2- 33
PRECAUTIONS FOR OPERATION 2- 34
PRECAUTIONS FOR JOBSITE 2- 34
STARTING ENGINE 2- 36
OPERATION 2- 39
TRANSPORTATION 2- 46
TOWING 2- 47
PRECAUTIONS FOR MAINTENANCE 2- 48
PRECAUTIONS BEFORE STARTING INSPECTION AND MAINTENANCE 2- 48
PRECAUTIONS FOR INSPECTION AND MAINTENANCE 2- 55
TIRES 2- 60
OPERATION 3- 1
GENERAL VIEW 3- 2
GENERAL VIEW OF MACHINE 3- 2

EXPLANATION OF COMPONENTS 3- 7
MACHINE MONITOR 3- 7
SWITCHES 3- 23
CONTROL LEVERS, PEDALS 3- 38
MAIN MONITOR TILT LEVER 3- 44
CAP WITH LOCK 3- 45
FRAME LOCK BAR 3- 46
TOWING PIN 3- 47
ENGINE SHUT-DOWN SWITCH 3- 47
FUEL STOP LEVER 3- 47
BACKUP ALARM 3- 47
CAB DOOR OPEN LOCK 3- 48
HANDLING CAB WIPER 3- 48
DUST INDICATOR 3- 49
FUSE 3- 50
CIRCUIT BREAKER 3- 52
SLOW BLOW FUSE 3- 53
LUNCH BOX TRAY 3- 54
TOOL BOX 3- 54
GREASE PUMP 3- 54
LOCATION OF FIRE EXTINGUISHER 3- 54
POWER OUTLET 3- 55
BRAKE COOLING OIL TEMPERATURE CAUTION LAMP 3- 55
CAR RADIO 3- 56
AM/FM RADIO-CASSETTE STEREO 3- 62
AIR CONDITIONER 3- 71
HANDLING WIRELESS 3- 76
OPERATION 3- 77
CHECK BEFORE STARTING ENGINE, ADJUST 3- 77
STARTING ENGINE 3- 99
OPERATIONS AND CHECKS AFTER STARTING ENGINE 3-103
STOPPING ENGINE 3-105
CHECK AFTER STOPPING ENGINE 3-105
MOVING THE MACHINE (DIRECTIONAL, SPEED), STOPPING THE MACHINE 3-106
TURNING 3-118
OPERATION OF WORK EQUIPMENT 3-119
REMOTE POSITIONER 3-121
WORK POSSIBLE USING WHEEL LOADER 3-124
PRECAUTIONS FOR OPERATION 3-143
ADJUSTING WORK EQUIPMENT POSTURE 3-145
REMOVAL AND INSTALLATION OF THE BUCKET 3-147
PARKING MACHINE 3-151
CHECKS AFTER COMPLETION OF OPERATION 3-153
LOCKING 3-153
HANDLING THE TIRES 3-154
TRANSPORTATION 3-157
TRANSPORTATION PROCEDURE 3-157
LOADING, UNLOADING WORK 3-157
METHOD OF SECURING MACHINE 3-157
1 – 14
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FOREWORD CONTENTS
METHOD OF LIFTING MACHINE 3-159
COLD WEATHER OPERATION 3-163
PRECAUTIONS FOR LOW TEMPERATURE 3-163
PRECAUTIONS AFTER COMPLETION OF WORK 3-164
AFTER COLD WEATHER 3-164
WARMING-UP OPERATION FOR STEERING HYDRAULIC CIRCUIT IN COLD WEATHER 3-165
LONG-TERM STORAGE 3-166
BEFORE STORAGE 3-166
DURING STORAGE 3-166
AFTER STORAGE 3-166
TROUBLESHOOTING 3-167
WHEN MACHINE RUNS OUT OF FUEL 3-167
METHOD OF TOWING MACHINE 3-169
IF BATTERY IS DISCHARGED 3-174
METHOD FOR LOWERING WORK EQUIPMENT WHEN ENGINE HAS STOPPED 3-178
PRELUBE SKIP FUNCTION WHEN STARTING IN EMERGENCY 3-179
OTHER TROUBLE 3-181
MAINTENANCE 4- 1
GUIDES TO MAINTENANCE 4- 2
OUTLINES OF SERVICE 4- 4
HANDLING OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC 4- 4
OUTLINE OF ELECTRIC SYSTEM 4- 9
WEAR PARTS 4- 10
WEAR PARTS LIST 4- 11
RECOMMENDED FUEL, COOLANT, AND LUBRICANT 4- 12
USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE 4- 13
RECOMMENDED BRANDS, RECOMMENDED QUALITY FOR PRODUCTS OTHER THAN
KOMATSU GENUINE OIL 4- 15
STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS 4- 16
TORQUE LIST 4- 16
DEFINED LIFE PARTS 4- 18
DEFINED LIFE PARTS LIST 4- 19
MAINTENANCE SCHEDULE CHART 4- 22
MAINTENANCE SCHEDULE CHART 4- 22
SERVICE PROCEDURE 4- 24
EVERY 10 HOURS SERVICE (ONLY FOR FIRST 50 HOURS) 4- 24
INITIAL 250 HOURS SERVICE 4- 24
WHEN REQUIRED 4- 25
CHECK BEFORE STARTING 4- 56
EVERY 50 HOURS SERVICE 4- 57
EVERY 100 HOURS SERVICE 4- 58
EVERY 250 HOURS SERVICE 4- 62
EVERY 500 HOURS SERVICE 4- 68
EVERY 1000 HOURS SERVICE 4- 75
EVERY 2000 HOURS SERVICE 4- 88
EVERY 4000 HOURS SERVICE 4-100
EVERY 8000 HOURS SERVICE 4-103
SPECIFICATIONS 5- 1
SPECIFICATIONS 5- 2
ATTACHMENTS, OPTIONS 6- 1

HANDLING STEERING WHEEL SPECIFICATION MACHINE 6- 2
GENERAL VIEW 6- 2
EXPLANATION OF COMPONENTS 6- 6
FUNCTIONS OF STEERING WHEEL SPECIFICATION MACHINE 6- 20
SELECTING BUCKET AND TIRES 6- 31
HANDLING AUTO-GREASING SYSTEM 6- 32
METHOD OF OPERATING AUTO-GREASING SYSTEM 6- 33
PRECAUTIONS WHEN HANDLING AUTO-GREASING SYSTEM 6- 33
METHOD OF ADJUSTING DISCHARGE FROM INJECTOR 6- 44
METHOD OF SETTING TIMER 6- 46
METHOD OF CHECKING GREASE REMAINING AMOUNT 6- 49
METHOD OF CHARGING WITH GREASE 6- 50
HANDLING 55 DEGREES C (131 DEGREES F) SPECIFICATION 6- 53
SERVICE PROCEDURE 6- 53
HANDLING BATTERY DISCONNECT SWITCH 6- 54
HANDLING MACHINES EQUIPPED WITH KOMTRAX Plus 6- 55
KOMTRAX Plus INSTALLED, COMMUNICATIONS TERMINAL NOT INSTALLED 6- 55
KOMTRAX Plus AND COMMUNICATIONS TERMINAL INSTALLED 6- 55
INDEX 7- 1