Komatsu — OPERATION

CONTENTS CONTROLS AND GAUGES....................................................................................................................... 3-3 DETAILED CONTROLS AND GAUGES .............................................................................................................. 3-4 MONITORING SYSTEM............................................................................................................................. 3-4 BASIC CHECK MONITORS..............................................................................................................

3-5 CAUTION MONITORS ...................................................................................................................... 3-7 EMERGENCY MONITORS ............................................................................................................... 3-9 METER DISPLAY PORTION........................................................................................................... 3-11 MONITOR SWITCHES PORTION .................................................................................................. 3-14 SWITCHES...............................................................................................................................................

3-17 CONTROL LEVERS AND PEDALS ......................................................................................................... 3-23 SUN ROOF............................................................................................................................................... 3-26 WINDSHIELD ........................................................................................................................................... 3-26 EMERGENCY EXIT FROM OPERATOR'S CAB .....................................................................................

3-31 DOOR LOCK ............................................................................................................................................ 3-31 CAP WITH LOCK...................................................................................................................................... 3-32 HOT AND COOL BOX.............................................................................................................................. 3-34 MAGAZINE BOX.......................................................................................................................................

3-34 ASHTRAY................................................................................................................................................. 3-34 AIR CONDITIONER CONTROLS............................................................................................................. 3-35 AIR CONDITIONER CONTROL PANEL ......................................................................................... 3-35 METHOD OF OPERATION............................................................................................................. 3-40 USE AIR CONDITIONER WITH CARE...........................................................................................

3-46 INSPECTION AND MAINTENANCE OF AIR CONDITIONER EQUIPPED MACHINE................... 3-46 OTHER FUNCTIONS ...................................................................................................................... 3-47 CAB RADIO CASSETTE .......................................................................................................................... 3-48 CONTROLS OF RADIO CASSETTE .............................................................................................. 3-48 PRECAUTIONS WHEN USING ......................................................................................................

3-48 AUXILIARY ELECTRIC POWER.............................................................................................................. 3-49 24V POWER SOURCE ................................................................................................................... 3-49 12V POWER SOURCE ................................................................................................................... 3-49 FUSE ........................................................................................................................................................

3-50 FUSIBLE LINK.......................................................................................................................................... 3-51 CONTROLLERS....................................................................................................................................... 3-51 TOOL BOX................................................................................................................................................ 3-51 GREASE GUN HOLDER..........................................................................................................................

3-51 HANDLING GREASE GUN ...................................................................................................................... 3-52 REFUELLING PUMP................................................................................................................................ 3-53 ACCUMULATOR ...................................................................................................................................... 3-55 RELEASING HYDRAULIC PRESSURE WITH ACCUMULATOR................................................... 3-55 MACHINE OPERATIONS AND CONTROLS .....................................................................................................

3-56 BEFORE STARTING ENGINE ................................................................................................................. 3-56 WALK-AROUND CHECKS.............................................................................................................. 3-56 CHECKS BEFORE STARTING....................................................................................................... 3-58 ADJUSTMENT................................................................................................................................. 3-64 SEAT BELT .....................................................................................................................................

3-69 OPERATIONS BEFORE STARTING ENGINE ............................................................................... 3-70 1-13