Komatsu 06253 Operation & Maintenance Manual page 13

INTRODUCTION
4.10.4 SIGNAL HORN COMPRESSOR - LUBRICATE ............................................................... 323
4.10.5 HYDRAULIC OIL COOLER FAN - CHECK CONDITION AND FASTENING ................... 323
4.10.6 AUTOMATIC LUBRICATION SYSTEMS - CLEAN IN-LINE GREASE FILTER AND CHECK
BREATHER FILTER ......................................................................................................... 325
4.10.7 CAB AIR CLEANER - CLEAN OR REPLACE FILTER ELEMENT ................................... 329
4.10.8 WINDSHIELD WASHER RESERVOIR - CHECK FLUID LEVEL ..................................... 331
4.10.9 AIR CONDITIONING FOR OPERATOR'S CAB - CHECK REFRIGERANT LEVEL ......... 331
4.11 EVERY 500 OPERATING HOURS OR MONTHLY ....................................................................... 332
4.11.1 BATTERIES - CHECK FLUID LEVEL ............................................................................... 333
4.11.2 FLEXIBLE DRIVE COUPLING - CHECK OIL LEVEL ....................................................... 335
4.11.3 FUEL TANK - DRAIN CONDENSATION .......................................................................... 337
4.11.4 CRAWLER TRACK - INSPECTION .................................................................................. 339
4.12 EVERY 1000 OPERATING HOURS OR EVERY 6 MONTH ......................................................... 344
4.12.1 HIGH STRENGTH BOLT CONNECTIONS - CHECK TORQUE LOAD ............................ 345
4.12.2 HYDRAULIC SYSTEM - FILTER SERVICE ..................................................................... 377
4.12.3 PTO (PUMP DISTRIBUTOR GEAR), SWING GEAR AND TRAVEL GEARS - OIL SAMPLE
ANALYSIS ......................................................................................................................... 391
4.12.4 SIGNAL HORN COMPRESSOR - CLEAN AND LUBRICATE .......................................... 393
4.12.5 HYDRAULIC TRACK TENSIONING SYSTEM - CHECK PRESSURE ACCUMULATORS ....
395
4.12.6 HYDRAULIC OIL COOLER - INSPECT AND LUBRICATE DOOR HINGES .................... 397
4.12.7 MACHINERY HOUSE DOORS - INSPECT AND LUBRICATE DOOR HINGES .............. 397
4.13 EVERY 2000 OPERATING HOURS OR YEARLY ........................................................................ 398
4.13.1 HYDRAULIC SYSTEM - CHANGE OIL, REPLACE SUCTION STRAINERS AND
PULSATION DAMPER ...................................................................................................... 399
4.13.2 EMERGENCY ESCAPE LADDER - INSPECTION ........................................................... 413
4.14 EVERY 3000 OPERATING HOURS HOWEVER AT LEAST ONCE A YEAR .............................. 414
4.14.1 SWING GEAR AND MOTOR ADAPTER HOUSING - CHANGE OIL ............................... 415
4.14.2 TRAVEL GEARS, BRAKE AND MOTOR ADAPTER HOUSINGS - CHANGE OIL .......... 423
4.14.3 PTO (PUMP DISTRIBUTOR GEAR) - CHANGE OIL ....................................................... 427
4.15 FIRE PREVENTION ....................................................................................................................... 430
4.16 WELD REPAIRS ............................................................................................................................ 432
4.16.1 PROTECTIVE MEASURES BEFORE STARTING WELD REPAIRS ON THE
UNDERCARRIAGE ........................................................................................................... 435
4.16.2 PROTECTIVE MEASURES BEFORE STARTING WELD REPAIRS ON THE LOADER
ATTACHMENT .................................................................................................................. 437
4.16.3 PROTECTIVE MEASURES BEFORE STARTING WELD REPAIRS ON THE
SUPERSTRUCTURE ........................................................................................................ 439
4.16.4 AFTER FINISHING THE REPAIR WELDINGS ON THE SUPERSTRUCTURE ............... 441
1.6 TABLE OF CONTENTS
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