Komatsu — OPERATION

CONTENTS OPERATION MACHINE VIEW ILLUSTRATIONS ..................................................................................................................... 3-2 OVERALL MACHINE VIEW........................................................................................................................ 3-2 CONTROLS AND GAUGES....................................................................................................................... 3-3 DETAILED CONTROLS AND GAUGES ..............................................................................................................

3-4 MONITORING SYSTEM............................................................................................................................. 3-4 Basic Operation Of Machine Monitor................................................................................................. 3-5 Basic Check Monitors........................................................................................................................ 3-7 Caution Monitors................................................................................................................................

3-9 Emergency Monitors........................................................................................................................ 3-11 Meter Display Portion ...................................................................................................................... 3-13 Monitor Switches Portion................................................................................................................. 3-17 SWITCHES...............................................................................................................................................

3-27 CONTROL LEVERS AND PEDALS ......................................................................................................... 3-31 SUN ROOF............................................................................................................................................... 3-34 WINDSHIELD ........................................................................................................................................... 3-34 EMERGENCY EXIT FROM OPERATOR'S CAB .....................................................................................

3-39 DOOR LOCK ............................................................................................................................................ 3-39 CAP WITH LOCK...................................................................................................................................... 3-40 HOT AND COOL BOX.............................................................................................................................. 3-41 MAGAZINE BOX.......................................................................................................................................

3-41 ASHTRAY................................................................................................................................................. 3-41 AIR CONDITIONER CONTROLS............................................................................................................. 3-42 Air Conditioner Control Panel .......................................................................................................... 3-42 Method Of Operation .......................................................................................................................

3-47 Use Air Conditioner With Care......................................................................................................... 3-52 Air Conditioner Maintenance ........................................................................................................... 3-52 Other Functions ............................................................................................................................... 3-53 RADIO.......................................................................................................................................................

3-55 Control Panel................................................................................................................................... 3-55 Controls Of Radio ............................................................................................................................ 3-58 Use Radio With Care....................................................................................................................... 3-59 AUXILIARY ELECTRIC POWER..............................................................................................................

3-60 12 V power source........................................................................................................................... 3-60 FUSE ........................................................................................................................................................ 3-60 FUSIBLELINK........................................................................................................................................... 3-61 CONTROLLERS.......................................................................................................................................

3-62 TOOL BOX................................................................................................................................................ 3-62 GREASE GUN HOLDER.......................................................................................................................... 3-62 ACCUMULATOR ...................................................................................................................................... 3-63 Releasing Hydraulic Pressure With Accumulator ............................................................................

3-63 MACHINE OPERATIONS AND CONTROLS ..................................................................................................... 3-64 BEFORE STARTING ENGINE ................................................................................................................. 3-64 Walk-Around Checks....................................................................................................................... 3-64 Checks Before Starting.................................................................................................................... 3-65 1-11