Komatsu — TABLE OF CONTENTS

TABLE OF CONTENTS THE MACHINE AND ITS OPERATIONS 3.1 MACHINE VIEW ILLUSTRATIONS ...................................................................................................... 54 3.1.1 OVERALL MACHINE VIEW ..................................................................................................... 54 3.1.2 CONTROLS AND GAUGES..................................................................................................... 55 3.2 DETAILED CONTROLS AND GAUGES ..............................................................................................

56 3.2.1 MONITORING SYSTEM........................................................................................................... 56 3.2.1.1 EMERGENCY MONITORS..................................................................................... 57 3.2.1.2 METER DISPLAY PORTION .................................................................................. 59 3.2.1.3 PILOT LAMPS......................................................................................................... 61 3.2.1.4 MONITOR SWITCHES PORTION ..........................................................................

62 3.2.2 SWITCHES............................................................................................................................... 64 3.2.3 CONTROL LEVERS AND PEDALS ......................................................................................... 67 3.2.4 WINDSHIELD (Machines equipped with cab) .......................................................................... 74 3.2.5 SLIDING DOOR (Machines equipped with cab)....................................................................... 78 3.2.6 SLIDING WINDOW (Machines equipped with cab)..................................................................

78 3.2.7 EMERGENCY ESCAPE HAMMER (Machines equipped with cab) ......................................... 79 3.2.8 CAPS AND COVERS WITH LOCK ......................................................................................... 80 3.2.9 ENGINE REAR COVER ........................................................................................................... 81 3.2.10 COOLING COVER ................................................................................................................... 82 3.2.11 TANK COVER ..........................................................................................................................

83 3.2.12 METHOD OF OPENING (TILTING) FLOOR............................................................................ 84 3.2.13 FUSE ........................................................................................................................................ 88 3.2.14 BLOCK FUSE........................................................................................................................... 88 3.2.15 OPERATION MANUAL STORAGE.......................................................................................... 89 3.2.16 TOOL BOX ...............................................................................................................................

89 3.2.17 GREASE GUN HOLDER.......................................................................................................... 89 3.2.18 ASHTRAY (Machines equipped with cab)................................................................................ 89 3.3 MACHINE OPERATIONS AND CONTROLS ....................................................................................... 90 3.3.1 BEFORE STARTING ENGINE................................................................................................. 90 3.3.1.1 WALK-AROUND CHECKS .....................................................................................

90 3.3.1.2 CHECKS BEFORE STARTING .............................................................................. 92 3.3.1.3 ADJUSTMENT ........................................................................................................ 98 3.3.1.4 OPERATIONS BEFORE STARTING ENGINE ....................................................... 101 3.3.1.5 STARTING ENGINE ............................................................................................... 103 3.3.2 AFTER STARTING ENGINE....................................................................................................

106 3.3.2.1 BREAKING-IN THE NEW MACHINE...................................................................... 106 3.3.2.2 WARMING-UP OPERATION .................................................................................. 106 3.3.3 STOPPING THE ENGINE ........................................................................................................ 108 3.3.4 MACHINE OPERATION........................................................................................................... 109 3.3.4.1 PREPARATIONS FOR MOVING THE MACHINE OFF ..........................................

109 3.3.4.2 MOVING MACHINE FORWARD............................................................................. 109 3.3.4.3 MOVING MACHINE BACKWARD .......................................................................... 111 3.3.4.4 STOPPING MACHINE ............................................................................................ 112 3.3.5 STEERING THE MACHINE...................................................................................................... 113 3.3.5.1 STEERING..............................................................................................................

113 3.3.6 SWINGING ............................................................................................................................... 115 3.3.7 WORK EQUIPMENT CONTROLS AND OPERATIONS.......................................................... 116 3.3.8 PROHIBITED OPERATIONS ................................................................................................... 118 3.3.9 GENERAL OPERATION INFORMATION ................................................................................ 120 3.3.10 TRAVELING ON SLOPES........................................................................................................

122 3.3.11 ESCAPE FROM MUD .............................................................................................................. 124 3.3.12 WORK POSSIBLE USING COMPACT HYDRAULIC EXCAVATOR ....................................... 125 3.3.13 CHANGING THE BUCKET....................................................................................................... 127 12