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INTRODUCTION
449
4.12.6 WATER FILTER - REPLACE FILTER CARTRIDGE ........................................................ 451
4.12.7 HYDRAULIC OIL COOLER - INSPECT AND LUBRICATE DOOR HINGES .................... 453
4.12.8 MACHINERY HOUSE DOORS - INSPECT AND LUBRICATE DOOR HINGES .............. 455
4.13 EVERY 2000 OPERATING HOURS OR YEARLY ........................................................................ 456
4.13.1 HYDRAULIC SYSTEM - CHANGE OIL, REPLACE SUCTION STRAINERS AND
PULSATION DAMPER ...................................................................................................... 457
4.13.2 EMERGENCY ESCAPE LADDER - INSPECTION ........................................................... 469
4.14 EVERY 3000 OPERATING HOURS HOWEVER AT LEAST ONCE A YEAR .............................. 470
4.14.1 SWING GEARS AND MOTOR ADAPTER HOUSING - CHANGE OIL ............................. 471
4.14.2 TRAVEL GEARS, BRAKE AND MOTOR ADAPTER HOUSINGS - CHANGE OIL .......... 479
4.14.3 PTO (PUMP DISTRIBUTOR GEAR) - CHANGE OIL ....................................................... 485
4.15 FIRE PREVENTION ....................................................................................................................... 488
4.16 REPAIR WELDINGS ...................................................................................................................... 490
4.16.1 PROTECTIVE MEASURES BEFORE STARTING WELD REPAIRS ON THE
UNDERCARRIAGE ........................................................................................................... 493
4.16.2 PROTECTIVE MEASURES BEFORE STARTING WELD REPAIRS ON THE LOADER
ATTACHMENT .................................................................................................................. 495
4.16.3 PROTECTIVE MEASURES BEFORE STARTING WELD REPAIRS ON THE
SUPERSTRUCTURE ........................................................................................................ 497
4.16.4 AFTER FINISHING THE REPAIR WELDINGS ON THE SUPERSTRUCTURE ............... 499
1.6 TABLE OF CONTENTS
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