Komatsu — CONTENTS

CONTENTS FOREWORD REPLACE HYDRAULIC TANK BREATHER ELEMENT .......................................................................... 4-54 CHANGE AXLE OIL.................................................................................................................................. 4-55 REPLACE ELEMENT IN AIR CONDITIONER RECIRCULATION AIR FILTER, FRESH AIR FILTER .... 4-55 CLEAN PPC CIRCUIT STRAINER........................................................................................................... 4-56 CLEAN ENGINE BREATHER ELEMENT.................................................................................................

4-56 CHEK ALTERNATOR, STARTING MOTOR ............................................................................................ 4-56 CHECK ENGINE VALVE CLEARANCE, ADJUST ................................................................................... 4-56 CLEAN AND CHECK TURBOCHARGER ................................................................................................ 4-56 CHECK INJECTOR .................................................................................................................................. 4-57 CHECK ACCUMULATOR GAS PRESSURE ...........................................................................................

4-57 CHECK VIBRATION DAMPER................................................................................................................. 4-57 CHECK BRAKE DISC WEAR................................................................................................................... 4-58 EVERY 4000 HOURS SERVICE ................................................................................................................... 4-59 LUBRICATING..........................................................................................................................................

4-59 CHECK WATER PUMP ............................................................................................................................ 4-59 CHECK AIR CONDITIONER COMPRESSOR, ADJUST ......................................................................... 4-60 CHECK INJECTOR NOZZLE TIP............................................................................................................. 4-60 CHECKING FOR LOOSENESS OF HIGH-PRESSURE CLAMP, HARDENING OF RUBBER ............... 4-60 CHECKING FOR MISSING FUEL SPRAY PREVENTION CAP, HARDENING OF RUBBER.................

4-61 EVERY 8000 HOURS SERVICE ................................................................................................................... 4-62 REPLACE HIGH-PRESSURE PIPING CLAMP........................................................................................ 4-62 REPLACE FUEL SPRAY PREVENTION CAP ......................................................................................... 4-62 CHECK INJECTOR NOZZLE TIP, REPLACE IF NECESSARY .............................................................. 4-62 TECHNICAL DATA TECHNICAL DATA ..............................................................................................................................................

5-2 NOISE EMISSION LEVELS ................................................................................................................................. 5-4 VIBRATION LEVEL .............................................................................................................................................. 5-4 LIMIT VALUES FOR SLOPES ............................................................................................................................. 5-5 ATTACHMENTS, OPTIONS HANDLING LOAD METER ..................................................................................................................................

6-2 GENERAL LOCATIONS .................................................................................................................................. 6-2 MACHINE MONITOR WITH LOAD METER............................................................................................... 6-2 SWITCHES ................................................................................................................................................. 6-3 LOAD METER FUNCTIONS............................................................................................................................

6-4 HANDLING LOAD METER DISPLAY.............................................................................................................. 6-7 SETTING ADDITION MODE ...................................................................................................................... 6-7 SETTING REMAIN MODE.......................................................................................................................... 6-9 TOTAL LOAD DATA DISPLAY.................................................................................................................

6-12 STOPPING CALCULATION ..................................................................................................................... 6-14 CARRYING OUT CALIBRATION (ADJUSTING 0 POINT) WHEN EMPTY ............................................. 6-15 CARRYING OUT CALIBRATION (ADJUSTING 0 POINT) WHEN LOADED........................................... 6-17 SUBTRACTION FUNCTION..................................................................................................................... 6-20 METHOD OF SETTING TIME ON CLOCK....................................................................................................

6-22 PRINTER OUTPUT........................................................................................................................................ 6-24 PRINTOUT MODE.................................................................................................................................... 6-24 METHOD OF SELECTING PRINTOUT MODE........................................................................................ 6-25 HANDLING TORQUE CONVERTER LOCK-UP ................................................................................................

6-27 GENERAL LOCATIONS ................................................................................................................................ 6-27 METHOD OF OPERATION ........................................................................................................................... 6-28 WARNING/LIMIT FUNCTIONS FOR TRAVEL SPEED................................................................................. 6-29 AIR CONDITIONER ............................................................................................................................................ 6-30 1-14