INTRODUCTION 1.6 TABLE OF CONTENTS 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 13