INTRODUCTION 1.6 TABLE OF CONTENTS 4.10 EVERY 250 OPERATING HOURS OR MONTHLY ....................................................................... 296 4.10.1 AIR CONDITIONING COMPRESSOR - CHECK DRIVE BELT TENSION ....................... 297 4.10.2 UNDERCARRIAGE PIN CONNECTIONS - LUBRICATE ................................................. 299 4.10.3 SIGNAL HORN COMPRESSOR - LUBRICATE ............................................................... 299 4.10.4 HYDRAULIC OIL COOLER FAN BEARING HOUSINGS - CHECK FOR LEAKAGE AND CLEAN BREATHER FILTER ............................................................................................
299 4.10.5 RADIATOR FAN BEARING HOUSING - CHECK FOR LEAKAGE AND CLEAN BREATHER FILTER .............................................................................................................................. 299 4.10.6 AUTOMATIC LUBRICATION SYSTEMS - CLEAN IN-LINE GREASE FILTER ................ 301 4.10.7 CAB AIR CLEANER - CLEAN OR REPLACE FILTER ELEMENT ................................... 305 4.10.8 WINDSHIELD WASHER SYSTEM - CHECK FLUID LEVEL ............................................ 307 4.10.9 AIR CONDITIONING FOR OPERATOR’S CAB - CHECK REFRIGERANT LEVEL ......... 309 4.11 EVERY 500 OPERATING HOURS OR MONTHLY .......................................................................
310 4.11.1 BATTERIES - CHECK FLUID LEVEL ............................................................................... 311 4.11.2 FLEXIBLE DRIVE COUPLING - CHECK OIL LEVEL ....................................................... 313 4.11.3 PTO (PUMP DISTRIBUTOR GEAR) MAIN PUMP DRIVE SHAFT HOUSINGS - CHECK OIL LEVEL ............................................................................................................................... 315 4.11.4 FUEL TANK - DRAIN CONDENSATION .......................................................................... 317 4.11.5 CRAWLER TRACK - INSPECTION ..................................................................................
319 4.12 EVERY 1000 OPERATING HOURS OR EVERY 6 MONTH ......................................................... 324 4.12.1 HIGH STRENGTH BOLT CONNECTIONS ....................................................................... 325 4.12.2 HYDRAULIC SYSTEM - FILTER SERVICE ..................................................................... 367 4.12.3 PTO (PUMP DISTRIBUTOR GEAR), SWING MACHINERY AND TRAVEL GEARS - OIL SAMPLE ANALYSIS ......................................................................................................... 379 4.12.4 SIGNAL HORN COMPRESSOR - CLEAN AND LUBRICATE ..........................................
381 4.12.5 HYDRAULIC TRACK TENSIONING SYSTEM - CHECK ACCUMULATORS .................. 383 4.12.6 WATER FILTER - REPLACE FILTER CARTRIDGE ........................................................ 385 4.12.7 HYDRAULIC OIL COOLER - INSPECT AND LUBRICATE DOOR HINGES .................... 387 4.12.8 MACHINERY HOUSE DOORS - INSPECT AND LUBRICATE DOOR HINGES .............. 389 4.13 EVERY 2000 OPERATING HOURS OR YEARLY ........................................................................ 390 4.13.1 HYDRAULIC SYSTEM - CHANGE OIL, REPLACE SUCTION STRAINERS AND PULSATION DAMPER ......................................................................................................
391 4.13.2 EMERGENCY ESCAPE LADDER - INSPECTION ........................................................... 403 4.14 EVERY 3000 OPERATING HOURS HOWEVER AT LEAST ONCE A YEAR .............................. 404 4.14.1 SWING MACHINERY AND MOTOR ADAPTER HOUSING - CHANGE OIL .................... 405 4.14.2 TRAVEL GEARS, BRAKE AND MOTOR ADAPTER HOUSINGS - CHANGE OIL .......... 413 4.14.3 FINAL DRIVE HOUSINGS - CHANGE OIL ....................................................................... 417 4.14.4 PTO (PUMP DISTRIBUTOR GEAR) - CHANGE OIL .......................................................
419 4.15 FIRE PREVENTION ....................................................................................................................... 420 4.16 WELD REPAIRS ............................................................................................................................ 422 4.16.1 PROTECTIVE MEASURES BEFORE STARTING WELD REPAIRS ON THE UNDERCARRIAGE ........................................................................................................... 425 4.16.2 PROTECTIVE MEASURES BEFORE STARTING WELD REPAIRS ON THE LOADER ATTACHMENT ..................................................................................................................
427 4.16.3 PROTECTIVE MEASURES BEFORE STARTING WELD REPAIRS ON THE 13