Komatsu PC400-8R, PC400LC-8R, PC450-8R, PC450LC-8R Hydraulic Excavator Index:

CONTENTS
FOREWORD 1- 1
READ THIS MANUAL 1- 2
SAFETY INFORMATION 1- 3
INTRODUCTION 1- 4
USE OF MACHINE 1- 4
DIRECTIONS OF MACHINE 1- 4
VISIBILITY FROM OPERATOR’S SEAT 1- 5
PROTECTIVE STRUCTURE 1- 6
PRODUCT INFORMATION 1- 7
PRODUCT IDENTIFICATION NUMBER (PIN)/MACHINE SERIAL NO. PLATE 1- 7
ENGINE SERIAL NUMBER PLATE AND ITS LOCATION 1- 7
SERVICE METER LOCATION 1- 8
YOUR MACHINE SERIAL NUMBERS AND DISTRIBUTOR 1- 8
SAFETY 2- 1
SAFETY 2- 2
SAFETY LABELS 2- 5
LOCATION OF SAFETY LABELS 2- 5
SAFETY LABELS 2- 6
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 WORK EQUIPMENT 2- 18
PRECAUTIONS RELATED TO PROTECTIVE STRUCTURES 2- 18
PROTECTION AGAINST FALLING, FLYING, INTRUDING OBJECTS 2- 19
UNAUTHORIZED MODIFICATION 2- 20
PRECAUTIONS RELATED TO ATTACHMENTS AND OPTIONS 2- 20
PRECAUTIONS RELATED TO CAB GLASS 2- 20
PRECAUTIONS WHEN RUNNING ENGINE INSIDE BUILDING 2- 20
PRECAUTIONS FOR OPERATION 2- 21
PRECAUTIONS FOR JOBSITE 2- 21
STARTING ENGINE 2- 23
OPERATION 2- 25
TRANSPORTATION 2- 33
TOWING 2- 34
LIFTING OBJECTS WITH BUCKET 2- 35
PRECAUTIONS FOR MAINTENANCE 2- 36
PRECAUTIONS BEFORE STARTING INSPECTION AND MAINTENANCE 2- 36
PRECAUTIONS FOR INSPECTION AND MAINTENANCE 2- 40
OPERATION 3- 1
MACHINE VIEW ILLUSTRATIONS 3- 2
OVERALL MACHINE VIEW 3- 2
CONTROLS AND GAUGES 3- 3
DETAILED CONTROLS AND GAUGES 3- 5
MONITORING SYSTEM 3- 5
SWITCHES 3- 70
CONTROL LEVERS AND PEDALS 3- 75
SUN ROOF 3- 78
1 – 9
.
CONTENTS FOREWORD
WINDSHIELD 3- 78
EMERGENCY ESCAPE HAMMER 3- 84
DOOR LOCK 3- 84
CAP WITH LOCK 3- 85
DRINK BOX 3- 87
MAGAZINE BOX 3- 87
ASHTRAY 3- 87
AIR CONDITIONER CONTROLS 3- 88
RADIO 3-101
AUXILIARY ELECTRIC POWER 3-109
FUSE 3-110
FUSIBLE LINK 3-111
CONTROLLER 3-111
TOOL BOX 3-112
GREASE PUMP HOLDER 3-112
FIRE EXTINGUISHER 3-112
BATTERY DISCONNECT SWITCH 3-113
MACHINE OPERATIONS AND CONTROLS 3-114
BEFORE STARTING ENGINE 3-114
STARTING ENGINE 3-136
AFTER STARTING ENGINE 3-139
STOPPING THE ENGINE 3-151
MACHINE OPERATION 3-152
STEERING THE MACHINE 3-156
SWINGING 3-158
WORK EQUIPMENT CONTROLS AND OPERATIONS 3-159
WORKING MODE 3-161
PROHIBITED OPERATIONS 3-163
GENERAL OPERATION INFORMATION 3-168
TRAVELING ON SLOPES 3-170
ESCAPE FROM MUD 3-172
RECOMMENDED APPLICATIONS 3-173
BUCKET REPLACEMENT AND INVERSION 3-175
PARKING MACHINE 3-179
MACHINE INSPECTION AFTER DAILY WORK 3-180
LOCKING 3-181
TRANSPORTATION 3-182
TRANSPORTATION PROCEDURE 3-182
LOADING AND UNLOADING WITH TRAILER 3-183
LIFTING MACHINE 3-192
TRANSPORTATION POSTURE 3-194
PROCEDURE FOR INCREASING OR REDUCING TRACK FRAME GAUGE 3-196
COLD WEATHER OPERATION 3-198
COLD WEATHER OPERATION INFORMATION 3-198
AFTER DAILY WORK COMPLETION 3-200
AFTER COLD WEATHER SEASON 3-200
LONG TERM STORAGE 3-201
BEFORE STORAGE 3-201
DURING STORAGE 3-201
AFTER STORAGE 3-202

STARTING MACHINE AFTER LONG-TERM STORAGE 3-202
TROUBLES AND ACTIONS 3-203
RUNNING OUT OF FUEL 3-203
PHENOMENA THAT ARE NOT FAILURES 3-203
TOWING THE MACHINE 3-204
LIGHTWEIGHT TOWING HOLE 3-205
SEVERE JOB CONDITION 3-205
DISCHARGED BATTERY 3-206
OTHER TROUBLE 3-210
MAINTENANCE 4- 1
MAINTENANCE INFORMATION 4- 2
OUTLINE OF SERVICE 4- 5
HANDLING OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC 4- 5
ELECTRIC SYSTEM MAINTENANCE 4- 10
WEAR PARTS 4- 11
WEAR PARTS LIST 4- 11
RECOMMENDED FUEL, COOLANT, AND LUBRICANT 4- 12
LUBRICATION STANDARD CHART 4- 16
RECOMMENDED BRANDS, RECOMMENDED QUALITY FOR PRODUCTS OTHER THAN
KOMATSU GENUINE OIL 4- 17
TIGHTENING TORQUE SPECIFICATIONS 4- 18
TIGHTENING TORQUE LIST 4- 18
DEFINED LIFE PARTS 4- 19
MAINTENANCE SCHEDULE 4- 21
MAINTENANCE SCHEDULE CHART 4- 21
MAINTENANCE INTERVAL FOR HYDRAULIC BREAKER 4- 23
MAINTENANCE PROCEDURE 4- 24
INITIAL 1000 HOURS MAINTENANCE (ONLY AFTER THE FIRST 1000 HOURS) 4- 24
WHEN REQUIRED 4- 25
CHECK BEFORE STARTING 4- 57
EVERY 50 HOURS MAINTENANCE 4- 58
EVERY 250 HOURS MAINTENANCE 4- 59
EVERY 500 HOURS MAINTENANCE 4- 64
EVERY 1000 HOURS MAINTENANCE 4- 77
EVERY 2000 HOURS MAINTENANCE 4- 83
EVERY 4000 HOURS MAINTENANCE 4- 90
EVERY 5000 HOURS MAINTENANCE 4- 94
EVERY 8000 HOURS MAINTENANCE 4- 96
SPECIFICATIONS 5- 1
SPECIFICATIONS 5- 2
ATTACHMENTS AND OPTIONS 6- 1
GENERAL PRECAUTIONS FOR SAFETY 6- 2
PRECAUTIONS WHEN SELECTING 6- 2
READ THE INSTRUCTION MANUAL THOROUGHLY 6- 2
PRECAUTIONS WHEN REMOVING OR INSTALLING 6- 2
PRECAUTIONS WHEN USING 6- 2
BUCKET WITH HOOK 6- 3
HOOK CONDITION 6- 3
PROHIBITED OPERATIONS 6- 3
PRECAUTIONS FOR REFUEL PUMP 6- 4
1 – 11
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CONTENTS FOREWORD
MACHINE READY FOR ATTACHMENT 6- 5
LOCATIONS 6- 5
HYDRAULIC CIRCUIT 6- 9
ATTACHMENT REMOVAL AND INSTALLATION 6- 16
ATTACHMENT OPERATIONS 6- 20
LONG TERM STORAGE 6- 21
SPECIFICATIONS 6- 21
ATTACHMENT GUIDE 6- 22
ATTACHMENT COMBINATIONS 6- 22
TRACK SHOES SELECTION 6- 24
RECOMMENDED ATTACHMENT OPERATIONS 6- 25
HYDRAULIC BREAKER 6- 25
KOMTRAX 6- 30
POWER SUPPLY FOR KOMTRAX 6- 30
INDEX 7- 1
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