Komatsu WA250PZ-6 Wheel Loader Index:

CONTENTS
FOREWORD 1- 1
READ THIS MANUAL 1- 2
SAFETY INFORMATION 1- 4
INTRODUCTION 1- 5
USE OF MACHINE 1- 5
FRONT/REAR, LEFT/RIGHT DIRECTIONS OF MACHINE 1- 5
VISIBILITY FROM OPERATOR’S SEAT 1- 5
NECESSARY INFORMATION 1- 6
PRODUCT IDENTIFICATION NUMBER (PIN)/MACHINE SERIAL NO. PLATE 1- 6
ENGINE SERIAL NO. PLATE 1- 6
POSITION OF SERVICE METER 1- 7
TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR 1- 7
SAFETY 2- 1
SAFETY 2- 2
SAFETY LABELS 2- 5
LOCATION OF SAFETY LABELS 2- 5
SAFETY LABELS 2- 6
LOCATION OF SAFETY LABELS FOR TECHNICIAN 2- 12
GENERAL PRECAUTIONS COMMON TO OPERATION AND MAINTENANCE 2- 13
PRECAUTIONS BEFORE STARTING OPERATION 2- 13
PREPARATIONS FOR SAFE OPERATION 2- 13
FIRE PREVENTION 2- 15
PRECAUTIONS WHEN GETTING ON OR OFF MACHINE 2- 16
DO NOT GET CAUGHT IN ARTICULATING PORTION 2- 19
PRECAUTIONS RELATED TO PROTECTIVE STRUCTURES 2- 19
UNAUTHORIZED MODIFICATION 2- 19
PRECAUTIONS RELATED TO ATTACHMENTS AND OPTIONS 2- 19
PRECAUTIONS WHEN RUNNING ENGINE INSIDE BUILDING 2- 20
PRECAUTIONS FOR OPERATION 2- 21
PRECAUTIONS FOR JOBSITE 2- 21
STARTING ENGINE 2- 23
OPERATION 2- 26
TRANSPORTATION 2- 32
TOWING 2- 33
PRECAUTIONS FOR MAINTENANCE 2- 34
PRECAUTIONS BEFORE STARTING INSPECTION AND MAINTENANCE 2- 34
PRECAUTIONS FOR INSPECTION AND MAINTENANCE 2- 39
TIRES 2- 44
OPERATION 3- 1
GENERAL VIEW 3- 2
GENERAL VIEW OF MACHINE 3- 2
GENERAL VIEW OF CONTROLS AND GAUGES 3- 3
EXPLANATION OF COMPONENTS 3- 5
MACHINE MONITOR 3- 5
SWITCHES 3- 41
CONTROL LEVERS, PEDALS 3- 57
STEERING TILT LOCK LEVER 3- 62
CAP AND COVER WITH LOCK 3- 62
FRAME LOCK BAR 3- 63
1 – 8

TOWING PIN 3- 64
GREASE PUMP 3- 64
OPENING, CLOSING CAB DOORS, WINDOWS 3- 65
FUSE 3- 69
SLOW BLOW FUSE 3- 71
POWER OUTLET 3- 72
STORAGE BOX 3- 72
AM/FM RADIO-CASSETTE STEREO 3- 73
AM/FM RADIO 3- 90
AIR CONDITIONER 3-102
HANDLING CAB WIPER 3-109
OPERATION 3-110
CHECK BEFORE STARTING ENGINE, ADJUST 3-110
STARTING ENGINE 3-129
CHECKS AFTER STARTING ENGINE 3-133
OPERATIONS AND CHECKS AFTER STARTING ENGINE 3-134
STOPPING ENGINE 3-137
MOVING THE MACHINE (DIRECTIONAL, SPEED), STOPPING THE MACHINE 3-138
TURNING 3-142
OPERATION OF WORK EQUIPMENT 3-144
HANDLING HYDRAULIC QUICK COUPLER 3-146
WORK POSSIBLE USING WHEEL LOADER 3-150
PRECAUTIONS FOR OPERATION 3-155
ADJUSTING WORK EQUIPMENT POSTURE 3-157
PARKING MACHINE 3-160
CHECKS AFTER COMPLETION OF OPERATION 3-162
LOCKING 3-162
HANDLING THE TIRES 3-163
TRANSPORTATION 3-165
TRANSPORTATION PROCEDURE 3-165
LOADING, UNLOADING WORK WITH TRAILERS 3-165
LIFTING MACHINE 3-169
COLD WEATHER OPERATION 3-171
PRECAUTIONS FOR LOW TEMPERATURE 3-171
PRECAUTIONS AFTER COMPLETION OF WORK 3-172
AFTER COLD WEATHER 3-172
LONG-TERM STORAGE 3-173
BEFORE STORAGE 3-173
DURING STORAGE 3-173
AFTER STORAGE 3-174
TROUBLESHOOTING 3-175
WHEN MACHINE RUNS OUT OF FUEL 3-175
METHOD OF TOWING MACHINE 3-175
IF BATTERY IS DISCHARGED 3-178
OTHER TROUBLE 3-182
MAINTENANCE 4- 1
GUIDES TO MAINTENANCE 4- 2
OUTLINES OF SERVICE 4- 4
HANDLING OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC 4- 4
BATTERY TERMINAL 4- 9
1 – 9
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CONTENTS FOREWORD
OUTLINE OF ELECTRIC SYSTEM 4- 9
WEAR PARTS 4- 10
WEAR PARTS LIST 4- 10
RECOMMENDED FUEL, COOLANT, AND LUBRICANT 4- 11
USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE 4- 12
RECOMMENDED BRANDS, RECOMMENDED QUALITY FOR PRODUCTS OTHER
THAN KOMATSU GENUINE OIL 4- 14
STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS 4- 15
TORQUE LIST 4- 15
DEFINED LIFE PARTS 4- 16
DEFINED LIFE PARTS LIST 4- 16
MAINTENANCE SCHEDULE CHART 4- 17
MAINTENANCE SCHEDULE CHART 4- 17
SERVICE PROCEDURE 4- 19
EVERY 10 HOURS SERVICE (ONLY FOR FIRST 50 HOURS) 4- 19
INITIAL 250 HOURS SERVICE 4- 19
INITIAL 1000 HOURS SERVICE 4- 19
WHEN REQUIRED 4- 20
CHECK BEFORE STARTING 4- 46
EVERY 50 HOURS SERVICE 4- 47
EVERY 100 HOURS SERVICE 4- 48
EVERY 250 HOURS SERVICE 4- 51
EVERY 500 HOURS SERVICE 4- 57
EVERY 1000 HOURS SERVICE 4- 61
EVERY 2000 HOURS SERVICE 4- 67
EVERY 4000 HOURS SERVICE 4- 74
EVERY 8000 HOURS SERVICE 4- 76
SPECIFICATIONS 5- 1
SPECIFICATIONS 5- 2
ATTACHMENTS, OPTIONS 6- 1
SELECTING BUCKET AND TIRES 6- 2
HANDLING FORK TOOL 6- 3
EXPLANATION OF COMPONENTS 6- 3
OPERATION 6- 4
HANDLING MULTI FUNCTION MONO-LEVER 6- 7
EXPLANATION OF COMPONENTS 6- 7
OPERATION 6- 11
CENTRAL LUBRICATION SYSTEM 6- 13
OPERATING THE CENTRAL LUBRICATION SYSTEM 6- 13
DISPLAY AND CONTROL UNIT 6- 14
CHANGING THE LUBRICATION INTERVAL TIMES 6- 15
HANDLING WHEEL STOPPER 6- 16
HANDLING BATTERY DISCONNECT SWITCH 6- 17
EXPLANATION OF COMPONENTS 6- 17
HANDLING 6- 18
RADIO/CD 6- 19
CONTENTS 6- 19
OPERATING ELEMENTS 6- 21
IMPORTANT INFORMATION 6- 22
CODE THEFT PROTECTION 6- 23

SWITCHING THE CAR AUDIO SYSTEM ON/OFF 6- 25
VOLUME CONTROL 6- 27
ADJUSTING THE TONE 6- 29
SETTING THE BALANCE AND FADER 6- 31
RADIO OPERATION 6- 32
TRAFFIC INFORMATION 6- 38
CD PLAYER OPERATION 6- 39
CD CHANGER OPERATION(OPTION) 6- 43
RC 10 P REMOTE CONTROL UNIT(OPTION) 6- 46
EXTERNAL AUDIO SOURCES 6- 48
SPECIFICATIONS 6- 49
ISO CONNECTOR 6- 50
KOMTRAX 6- 51
POWER SUPPLY FOR KOMTRAX 6- 51
INDEX 7- 1
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