INTRODUCTION 1.6 TABLE OF CONTENTS 4.10.4 RADIATOR FAN BEARINGS - CHECK FOR LEAKAGE AND CLEAN BREATHER FILTER 377 4.10.5 AUTOMATIC LUBRICATION SYSTEMS - CLEAN IN-LINE GREASE FILTER AND CHECK BREATHER FILTER ......................................................................................................... 379 4.10.6 CAB AIR CLEANER - CLEAN OR REPLACE FILTER ELEMENT ................................... 381 4.10.7 AIR CONDITIONING FOR OPERATOR’S CAB - CHECK REFRIGERANT LEVEL ......... 383 4.11 EVERY 500 OPERATING HOURS OR QUARTERLY ..................................................................
384 4.11.1 BATTERIES - CHECK FLUID LEVEL ............................................................................... 385 4.11.2 FLEXIBLE DRIVE COUPLINGS - CHECK OIL LEVEL ..................................................... 387 4.11.3 FUEL TANK - DRAIN CONDENSATION .......................................................................... 389 4.11.4 CRAWLER TRACK - INSPECTION .................................................................................. 391 4.12 EVERY 1000 OPERATING HOURS OR EVERY 6 MONTH ......................................................... 396 4.12.1 HIGH STRENGTH BOLT CONNECTIONS - CHECK TORQUE LOAD ............................
397 4.12.2 HYDRAULIC SYSTEM - FILTER SERVICE ..................................................................... 455 4.12.3 PTO’S (PUMP DISTRIBUTOR GEARS), SWING GEARS AND TRAVEL GEARS - OIL SAMPLE ANALYSIS ......................................................................................................... 469 4.12.4 SIGNAL HORN COMPRESSOR - CLEAN AND LUBRICATE .......................................... 471 4.12.5 HYDRAULIC TRACK TENSIONING SYSTEM - CHECK PRESSURE ACCUMULATORS .... 473 4.12.6 WATER FILTER - REPLACE FILTER CARTRIDGE ........................................................ 475 4.12.7 HYDRAULIC OIL COOLER - INSPECT AND LUBRICATE DOOR HINGES ....................
477 4.12.8 MACHINERY HOUSE DOORS - INSPECT AND LUBRICATE DOOR HINGES .............. 479 4.13 EVERY 2000 OPERATING HOURS OR YEARLY ........................................................................ 480 4.13.1 HYDRAULIC SYSTEM - CHANGE OIL, REPLACE SUCTION STRAINERS AND PULSATION DAMPER ...................................................................................................... 481 4.13.2 EMERGENCY ESCAPE LADDER - INSPECTION ........................................................... 493 4.14 EVERY 3000 OPERATING HOURS HOWEVER AT LEAST ONCE A YEAR .............................. 494 4.14.1 SWING GEARS AND MOTOR ADAPTER HOUSING - CHANGE OIL .............................
495 4.14.2 TRAVEL GEARS, MOTOR ADAPTER HOUSINGS AND FINAL DRIVES CHANGE OIL 503 4.14.3 PTO (PUMP DISTRIBUTOR GEAR) - CHANGE OIL ....................................................... 507 4.15 FIRE PREVENTION ....................................................................................................................... 510 4.16 WELD REPAIRS ............................................................................................................................ 512 4.16.1 PROTECTIVE MEASURES BEFORE STARTING WELD REPAIRS ON THE UNDERCARRIAGE ...........................................................................................................
515 4.16.2 PROTECTIVE MEASURES BEFORE STARTING WELD REPAIRS ON THE LOADER ATTACHMENT .................................................................................................................. 517 4.16.3 PROTECTIVE MEASURES BEFORE STARTING WELD REPAIRS ON THE SUPERSTRUCTURE ........................................................................................................ 519 4.16.4 AFTER FINISHING THE REPAIR WELDINGS ON THE SUPERSTRUCTURE ............... 521 13