INTRODUCTION 1.6 TABLE OF CONTENTS 4.10.6 RADIATOR FAN BEARINGS - CHECK FOR LEAKAGE AND CLEAN BREATHER FILTER 379 4.10.7 AUTOMATIC LUBRICATION SYSTEMS - CLEAN IN-LINE GREASE FILTER AND CHECK BREATHER FILTER ......................................................................................................... 381 4.10.8 CAB AIR CLEANER - CLEAN OR REPLACE FILTER ELEMENT ................................... 383 4.10.9 WINDSHIELD WASHER RESERVOIR - CHECK FLUID LEVEL ..................................... 385 4.10.10 AIR CONDITIONING FOR OPERATOR’S CAB - CHECK REFRIGERANT LEVEL .........
387 4.11 EVERY 500 OPERATING HOURS OR QUARTELY ..................................................................... 388 4.11.1 BATTERIES - CHECK FLUID LEVEL ............................................................................... 389 4.11.2 FLEXIBLE DRIVE COUPLINGS - CHECK OIL LEVEL ..................................................... 391 4.11.3 DRIVE SHAFT HOUSINGS ON PTO GEARS - CHECK OIL LEVEL ............................... 393 4.11.4 FUEL TANK - DRAIN CONDENSATION .......................................................................... 395 4.11.5 CRAWLER TRACK - INSPECTION ..................................................................................
397 4.11.6 GROUND CABLES OF ENGINE, STARTER MOTORS AND ALTERNATOR - CHECK FOR CORRECT CONNECTION ............................................................................................... 403 4.11.7 GROUND CABLE OF OPERATOR’S CAB - CHECK FOR CORRECT CONNECTION ... 405 4.12 EVERY 1000 OPERATING HOURS OR EVERY 6 MONTH ......................................................... 406 4.12.1 HIGH STRENGTH BOLT CONNECTIONS - CHECK TORQUE LOAD ............................ 407 4.12.2 HYDRAULIC SYSTEM - FILTER SERVICE .....................................................................
449 4.12.3 PTO’S (PUMP DISTRIBUTOR GEARS), SWING GEARS AND TRAVEL GEARS - OIL SAMPLE ANALYSIS ......................................................................................................... 461 4.12.4 SIGNAL HORN COMPRESSOR - CLEAN AND LUBRICATE .......................................... 463 4.12.5 HYDRAULIC TRACK TENSIONING SYSTEM - CHECK PRESSURE ACCUMULATORS .... 465 4.12.6 WATER FILTER - REPLACE FILTER CARTRIDGE ........................................................ 467 4.12.7 HYDRAULIC OIL COOLER - INSPECT AND LUBRICATE DOOR HINGES .................... 469 4.12.8 MACHINERY HOUSE DOORS - INSPECT AND LUBRICATE DOOR HINGES ..............
471 4.13 EVERY 2000 OPERATING HOURS OR YEARLY ........................................................................ 472 4.13.1 HYDRAULIC SYSTEM - CHANGE OIL, REPLACE SUCTION STRAINERS AND PULSATION DAMPER ...................................................................................................... 473 4.13.2 EMERGENCY ESCAPE LADDERS - INSPECTION ........................................................ 483 4.14 EVERY 3000 OPERATING HOURS HOWEVER AT LEAST ONCE A YEAR .............................. 490 4.14.1 SWING GEARS AND MOTOR ADAPTER HOUSING - CHANGE OIL ............................. 491 4.14.2 TRAVEL GEARS, BRAKE AND MOTOR ADAPTER HOUSINGS - CHANGE OIL ..........
499 4.14.3 FINAL DRIVE HOUSINGS - CHANGE OIL ....................................................................... 503 4.14.4 PTO (PUMP DISTRIBUTOR GEAR) - CHANGE OIL ....................................................... 505 4.15 FIRE PREVENTION ....................................................................................................................... 506 4.16 WELD REPAIRS ............................................................................................................................
508 4.16.1 PROTECTIVE MEASURES BEFORE STARTING WELD REPAIRS ON THE UNDERCARRIAGE ........................................................................................................... 511 4.16.2 PROTECTIVE MEASURES BEFORE STARTING WELD REPAIRS ON THE LOADER ATTACHMENT .................................................................................................................. 513 4.16.3 PROTECTIVE MEASURES BEFORE STARTING WELD REPAIRS ON THE SUPERSTRUCTURE ........................................................................................................ 515 4.16.4 AFTER FINISHING THE WELD REPAIRS ON THE SUPERSTRUCTURE ..................... 517 13