Komatsu — CONTENTS

FOREWORD CONTENTS 4-SYSTEM.................................................................................................................................................. 3-9 SWITCHES............................................................................................................................................... 3-12 CONTROL LEVERS, PEDALS................................................................................................................. 3-17 FRONT WINDOW.....................................................................................................................................

3-21 SLIDING DOOR........................................................................................................................................ 3-24 REAR WINDOW ....................................................................................................................................... 3-25 HAMMER FOR EMERGENCY ESCAPE.................................................................................................. 3-25 STOW-AWAY TYPE STEP.......................................................................................................................

3-26 CAP, COVER WITH LOCK....................................................................................................................... 3-28 ENGINE HOOD ........................................................................................................................................ 3-29 CAB REAR COVER.................................................................................................................................. 3-30 PUMP ROOM DOOR, BATTERY ROOM DOOR.....................................................................................

3-31 DOOR AT FRONT OF TOOL BOX........................................................................................................... 3-32 FUSE ........................................................................................................................................................ 3-33 FUSIBLELINK........................................................................................................................................... 3-33 POWER SOURCE FOR OPTION.............................................................................................................

3-34 CONTROLLER ......................................................................................................................................... 3-34 HANDLING AIR CONDITIONER .............................................................................................................. 3-35 RADIO....................................................................................................................................................... 3-38 OPERATION AND MAINTENANCE MANUAL HOLDER.........................................................................

3-43 TOOL COMPARTMENT........................................................................................................................... 3-43 GREASE GUN HOLDER.......................................................................................................................... 3-43 ASHTRAY................................................................................................................................................. 3-43 MACHINE OPERATIONS AND CONTROLS .....................................................................................................

3-44 BEFORE STARTING ENGINE ................................................................................................................. 3-44 STARTING ENGINE................................................................................................................................. 3-57 AFTER STARTING ENGINE .................................................................................................................... 3-60 STOPPING THE ENGINE ........................................................................................................................

3-64 CHECK AFTER SHUT OFF ENGINE....................................................................................................... 3-64 MACHINE OPERATION ........................................................................................................................... 3-65 STEERING THE MACHINE...................................................................................................................... 3-69 SWINGING ...............................................................................................................................................

3-71 WORK EQUIPMENT CONTROLS AND OPERATIONS .......................................................................... 3-72 PROHIBITED OPERATIONS ................................................................................................................... 3-74 GENERAL OPERATION INFORMATION ................................................................................................ 3-78 TRAVELING ON SLOPES........................................................................................................................ 3-80 ESCAPE FROM MUD...............................................................................................................................

3-82 RECOMMENDED APPLICATIONS.......................................................................................................... 3-83 BUCKET REPLACEMENT ....................................................................................................................... 3-85 PARKING MACHINE ................................................................................................................................ 3-87 CHECK AFTER FINISHING WORK .........................................................................................................

3-88 LOCKING.................................................................................................................................................. 3-89 HANDLING 4-SYSTEM ............................................................................................................................ 3-90 HANDLING ROAD LINER ...................................................................................................................... 3-104 1-11