Komatsu — Table of Contents

MAINTENANCE AFTER THE FIRST 50 OPERATING HOURS .................................................................. 7-32 ENGINE, CHANGING OIL AND REPLACING THE OIL FILTER CARTRIDGE .................................... 7-32 REPLACING THE OIL FILTER CARTRIDGE ................................................................................. 7-33 V-BELT, CHECKING THE CONDITION ................................................................................................ 7-34 V-BELT, CHECKING AND ADJUSTING THE TENSION .......................................................................

7-34 HYDRAULIC SYSTEM, REPLACING THE FILTER INSERT ................................................................ 7-35 CHECKING AND TIGHTENING THE WHEEL NUTS ............................................................................ 7-36 FRONT AND REAR AXLE, CHANGING OIL ......................................................................................... 7-37 PLANET GEAR ............................................................................................................................... 7-37 DIFFERENTIAL ..............................................................................................................................

7-37 TRANSFER GEAR - CHANGING OIL .................................................................................................... 7-38 MAINTENANCE EVERY 50 OPERATING HOURS ..................................................................................... 7-40 CHECKING COOLING SYSTEM, COOLANT LEVEL IN THE RADIATOR AND EXPANSION TANK .. 7-40 DRAINING OFF WATER AND DIRT DEPOSITS FROM THE FUEL TANK .......................................... 7-41 CHECKING THE SERVICE BRAKE AND OIL LEVEL, REFILLING OIL ............................................... 7-41 CHECKING THE BATTERY AND ACID LEVEL ....................................................................................

7-42 RE-CHARGING A BUILT-IN BATTERY ......................................................................................... 7-43 LUBRICATION ....................................................................................................................................... 7-44 LUBRICATING POINTS OF THE WORK EQUIPMENT ................................................................. 7-44 MAINTENANCE EVERY 100 OPERATING HOURS ................................................................................... 7-45 DRAINING THE WATER SEPARATOR, REMOVING WATER AND DIRT DEPOSITS ........................

7-45 MAINTENANCE EVERY 250 OPERATING HOURS ................................................................................... 7-46 CHANGING THE ENGINE OIL AND OIL FILTER CARTRIDGE ........................................................... 7-46 CHECKING THE V-BELT CONDITION ................................................................................................. 7-46 CHECKING AND ADJUSTING THE V-BELT TENSION ........................................................................ 7-46 FRONT AND REAR AXLE, CHECKING THE OIL LEVEL .....................................................................

7-47 PLANET GEAR ............................................................................................................................... 7-47 DIFFERENTIAL .............................................................................................................................. 7-48 AIR FILTER, REMOVING/RE-INSTALLING AND CHECKING/CLEANING THE FILTER INSERT ...... 7-49 STRUCTURE OF THE AIR FILTER ............................................................................................... 7-49 MAINTENANCE DEMAND .............................................................................................................

7-49 REMOVING THE FILTER CARTRIDGE ......................................................................................... 7-49 CLEANING OR EXCHANGING THE FILTER CARTRIDGE .......................................................... 7-50 CHECKING THE FILTER CARTRIDGE ......................................................................................... 7-51 ASSEMBLING THE AIR FILTER CARTRIDGE .............................................................................. 7-51 CLEANING THE RADIATOR SEGMENTS ............................................................................................

7-51 LUBRICATION ....................................................................................................................................... 7-52 MAINTENANCE EVERY 500 OPERATING HOURS ................................................................................... 7-53 CHANGING THE FUEL FILTER AND FILTER ELEMENT .................................................................... 7-53 BLEEDING THE FUEL SYSTEM .................................................................................................... 7-54 CHANGING THE FILTER CARTRIDGE OF THE HYDRAULIC SYSTEM ............................................

7-55 CLEANING THE WATER SEPARATOR ............................................................................................... 7-55 LUBRICATION ....................................................................................................................................... 7-56 TRANSFER GEAR, CHECKING THE OIL LEVEL AND REFILLING OIL .............................................. 7-56 AIR FILTER, REPLACING THE FILTER INSERT, REPLACING THE SAFETY FILTER ...................... 7-57 REPLACING THE FILTER INSERT ...............................................................................................

7-57 REPLACING THE SAFETY FILTER ............................................................................................... 7-57 HEATER/AIR CONDITIONING: CLEAN FILTER FLEECE OF HEATER UNIT ..................................... 7-58 HEATER/AIR CONDITIONING: CLEANING THE CONDENSER ......................................................... 7-59 MAINTENANCE EVERY 1000 OPERATING HOURS ................................................................................. 7-60 COOLING SYSTEM, EXCHANGING COOLANT AND CLEANING THE SYSTEM ............................. 7-60 DRAINING OFF THE COOLANT ....................................................................................................

7-61 CLEANING THE COOLING SYSTEM ............................................................................................ 7-61 FILLING OFF COOLANT ................................................................................................................ 7-61 FRONT AXLE, OIL CHANGE ................................................................................................................ 7-62 REAR AXLE, OIL CHANGE ................................................................................................................... 7-62 TRANSFER GEAR, OIL CHANGE ......................................................................................................... 7-62 0-6