TABLE OF CONTENTS MAINTENANCE 4.1 MAINTENANCE INFORMATION .......................................................................................................... 156 4.2 LUBRICANTS, COOLANT AND FILTERS ........................................................................................... 159 4.2.1 HANDLING OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC ................................... 159 4.2.1.1 OIL........................................................................................................................... 159 4.2.1.2 FUEL .......................................................................................................................
159 4.2.1.3 COOLING SYSTEM COOLANT.............................................................................. 160 4.2.1.4 GREASE ................................................................................................................. 160 4.2.1.5 CARRYING OUT KOWA (KOMATSU OIL WEAR ANALYSIS) .............................. 161 4.2.1.6 OIL AND FUEL STORAGE ..................................................................................... 162 4.2.1.7 FILTERS..................................................................................................................
162 4.2.2 ELECTRIC SYSTEM MAINTENANCE..................................................................................... 163 4.2.3 HANDLING HYDRAULIC SYSTEM.......................................................................................... 163 4.3 WEAR PARTS....................................................................................................................................... 164 4.3.1 WEAR PARTS LIST ................................................................................................................. 164 4.4 LUBRICANTS, FUEL AND COOLANT SPECIFICATIONS..................................................................
165 4.4.1 HOMOLOGATED HEES SYNTHETIC BIODEGRADABLE LUBRICANTS.............................. 169 4.5 TIGHTENING TORQUE SPECIFICATIONS ......................................................................................... 170 4.5.1 TIGHTENING TORQUE LIST................................................................................................... 170 4.6 LUBRICATION ...................................................................................................................................... 171 4.6.1 LUBRICATION DIAGRAM........................................................................................................
171 4.7 SAFETY CRITICAL PARTS.................................................................................................................. 172 4.7.1 SAFETY CRITICAL PARTS LIST............................................................................................. 172 4.8 MAINTENANCE SCHEDULE................................................................................................................ 173 4.8.1 MAINTENANCE SCHEDULE CHART...................................................................................... 173 4.8.2 MAINTENANCE INTERVAL FOR HYDRAULIC BREAKER ....................................................
174 4.8.2.a CHANGING THE HYDRAULIC OIL FILTER........................................................... 174 4.8.2.b CHANGING THE HYDRAULIC OIL ........................................................................ 174 4.9 MAINTENANCE PROCEDURE ............................................................................................................ 175 4.9.1 WHEN REQUIRED................................................................................................................... 175 4.9.1.a CHECK, CLEAN AND REPLACE AIR CLEANER ELEMENT ................................ 175 4.9.1.b CLEAN INSIDE OF COOLING SYSTEM ................................................................
177 4.9.1.c CHECK LEVEL OF BATTERY ELECTROLYTE ..................................................... 180 4.9.1.d CLEANING THE FUEL FILTER (WITH WATER SEPARATOR) ........................... 182 4.9.1.e DRAIN WATER AND SEDIMENT FROM FUEL TANK........................................... 182 4.9.1.f CHECK AND ADJUST TRACK TENSION (Machines equipped with steel shoes) .................................................................... 183 4.9.1.g CHECKING THE RUBBER SHOES (Machines equipped with rubber shoes) .................................................................
185 4.9.1.h CHECK AND ADJUST RUBBER SHOE TENSION (Machine equipped with rubber shoes) ................................................................... 187 4.9.1.i REPLACE RUBBER SHOES (Machine equipped with rubber shoes) ................................................................... 189 4.9.1.j CHECK WINDOW WASHER FLUID LEVEL, ADD FLUID (Machine equipped with cab) .................................................................................. 191 4.9.1.k CHECK, CLEAN AND LUBRICATE CAB SLIDE DOOR RAIL AND ROLLER (Machine equipped with cab) ..................................................................................
192 4.9.1.l BLEEDING AIR FROM HYDRAULIC SYSTEM ...................................................... 192 14