TABLE OF CONTENTS Page 4.7.4 MAINTENANCE EVERY 10 HOURS OF OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180 4.7.4.a LUBRICATING THE JOINTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180 4.7.5 MAINTENANCE AFTER THE FIRST 50 HOURS OF OPERATION (Only for machines in which the synthetic biodegradable oil type HEES is used) . . . . . . . . . 182 4.7.6 MAINTENANCE EVERY 50 HOURS OF OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182 4.7.6.a CHECKING THE RADIATOR FLUID LEVEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182 4.7.6.b CHECKING THE BRAKING SYSTEM OIL LEVEL. . . . . . . . . . . . . . . . . . . . .
. . . . 182 4.7.6.c LUBRICATING THE PROPELLER SHAFTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183 4.7.6.d LUBRICATING THE FRONT AXLE JOINTS CENTRAL COUPLING . . . . . . . . . 184 4.7.6.e CHECKING THE TYRE PRESSURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184 4.7.6.f CHECKING THE ELECTRICAL SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185 4.7.7 MAINTENANCE AFTER THE FIRST 250 HOURS OF OPERATION . . . . . . . . . . . . . . . . . . . 186 4.7.8 MAINTENANCE EVERY 250 HOURS OF OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . 186 4.7.8.a ADJUSTING THE FAN BELT TENSION . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . 186 4.7.8.b CLEANING THE OUTSIDE OF THE RADIATORS . . . . . . . . . . . . . . . . . . . . . . . 187 4.7.8.c CHECKING THE BATTERY ELECTROLYTE LEVEL . . . . . . . . . . . . . . . . . . . . . . 188 4.7.8.d CHECKING THE FRONT AXLE OIL LEVELS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189 4.7.8.e CHECKING THE REAR AXLE OIL LEVELS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189 4.7.8.f CHECKING THE HYDRAULIC TRANSMISSION OIL LEVEL . . . . . . . . . . . . . . . . 190 4.7.8.g CHECKING THE WHEEL NUT DRIVING TORQUE . . . . . . . . . . . . . . . . . . . . . . .
190 4.7.9 MAINTENANCE AFTER THE FIRST 500 HOURS OF OPERATION (Only for machines in which the synthetic biodegradable oil type HEES is used) . . . . . . . . . 191 4.7.10 MAINTENANCE EVERY 500 HOURS OF OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . 191 4.7.10.a CHANGING THE ENGINE OIL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191 4.7.10.b CHANGING THE ENGINE OIL FILTER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192 4.7.10.c CHANGING THE HYDRAULIC SYSTEM OIL FILTER . . . . . . . . . . . . . . . . . . . . . 193 4.7.10.d CHANGING THE FUEL FILTER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
194 4.7.10.e DRAINING THE FUEL TANK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195 4.7.10.f DRAINING THE HYDRAULIC OIL TANK (Only for machines in which the synthetic biodegradable oil type HEES is used). . . . . . . . . . . . . . . . . . . . . . . . 196 4.7.11 MAINTENANCE EVERY 1000 HOURS OF OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . 197 4.7.11.a CHANGING THE FRONT AXLE OIL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197 4.7.11.b CHANGING THE REAR AXLE OIL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198 4.7.11.c CHANGING THE HYDRAULIC TRANSMISSION OIL . . . . . . . . . . . . . . . .
. . . . . 199 4.7.11.d CHANGING THE HYDRAULIC TRANSMISSION FILTER . . . . . . . . . . . . . . . . . . 200 4.7.11.e CHECKING AND ADJUSTING THE ENGINE VALVE CLEARANCE . . . . . . . . . . 200 4.7.12 MAINTENANCE EVERY 2000 HOURS OF OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . 201 4.7.12.a CHANGING THE HYDRAULIC SYSTEM OIL AND CLEANING THE SUCTION FILTER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201 4.7.12.b CHANGING THE COOLANT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204 4.7.12.c CHANGING THE BRAKING SYSTEM OIL . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. 205 4.7.12.d CHECKING THE ALTERNATOR AND THE STARTER . . . . . . . . . . . . . . . . . . . . 205 16