Komatsu PC22MR-3 Operation & Maintenance Manual page 26

CONTENTS
TIGHTENING TORQUES ................................................................................................................................... 4-15
STANDARD TIGHTENING TORQUES FOR SCREWS AND NUTS........................................................ 4-15
STANDARD TIGHTENING TORQUES FOR FLEXIBLE HOSES (ORFS) ............................................... 4-16
LUBRICATION ................................................................................................................................................... 4-17
LUBRICATION DIAGRAM ........................................................................................................................ 4-17
BALL-BEARING RING GREASING POINTS ........................................................................................... 4-18
PERIODICAL CHANGE OF SAFETY-RELATED COMPONENTS ................................................................... 4-19
SAFETY-RELATED PARTS ..................................................................................................................... 4-20
MAINTENANCE PLAN ....................................................................................................................................... 4-21
MAINTENANCE PLAN ............................................................................................................................. 4-21
CHECKS TO BE CARRIED OUT BEFORE STARTING THE ENGINE .......................................... 4-21
MAINTENANCE INTERVALS IN CASE OF USE OF THE HYDRAULIC BREAKER ............................... 4-23
MAINTENANCE PROCEDURES ....................................................................................................................... 4-24
WHEN REQUIRED ................................................................................................................................... 4-24
CHECKING, CLEANING OR CHANGING THE AIR FILTER CARTRIDGE .................................... 4-24
CHECKING AND CLEANING THE CAB AIR FILTER ..................................................................... 4-26
BATTERY ELECTROLYTE LEVEL CHECK ................................................................................... 4-27
CLEANING THE FUEL FILTER....................................................................................................... 4-30
DRAINING THE FUEL TANK .......................................................................................................... 4-32
SHOE FIXING SCREWS CHECK AND TIGHTENING.................................................................... 4-33
CHECKING AND ADJUSTING THE STEEL TRACK TENSION ..................................................... 4-34
CHECKING THE RUBBER TRACKS .............................................................................................. 4-37
CHECKING AND ADJUSTING THE RUBBER TRACK TENSION.................................................. 4-38
CHANGING THE RUBBER TRACKS.............................................................................................. 4-41
BUCKET TEETH REPLACEMENT ................................................................................................. 4-44
BLEEDING THE HYDRAULIC SYSTEM ......................................................................................... 4-45
CHECKING THE DETERGENT LEVEL IN THE WINDSIELD WASHER RESERVOIR.................. 4-46
LUBRICATION OF CAB DOOR HINGES........................................................................................ 4-47
WINDSCREEN WIPER CHECK ...................................................................................................... 4-47
LUBRICATION................................................................................................................................. 4-47
CHECKS TO BE CARRIED OUT BEFORE STARTING THE ENGINE.................................................... 4-48
MAINTENANCE AFTER THE FIRST 50 HOURS OF OPERATION ........................................................ 4-48
MAINTENANCE EVERY 100 HOURS OF OPERATION ......................................................................... 4-49
LUBRICATION................................................................................................................................. 4-49
MAINTENANCE AFTER THE FIRST 500 HOURS OF OPERATION ...................................................... 4-51
MAINTENANCE EVERY 500 HOURS OF OPERATION ......................................................................... 4-52
CHANGING THE ENGINE OIL AND THE ENGINE OIL FILTER CARTRIDGE.............................. 4-52
CHANGING THE FUEL FILTER ELEMENT (WITH WATER SEPARATOR) ................................. 4-53
CHECKING THE OIL LEVEL IN THE FINAL REDUCTION GEARS............................................... 4-55
CHANGING THE FUEL PUMP PREFILTER ................................................................................... 4-55
CHECKING AND CLEANING THE FINS OF THE RADIATOR AND OF THE EXCHANGER ........ 4-56
CHECKING AND ADJUSTING THE FAN BELT TENSION............................................................. 4-57
DRAINING THE HYDRAULIC OIL TANK
(Only for machines in which synthetic biodegradable oil type HEES is used) ................................. 4-58
MAINTENANCE EVERY 1000 HOURS OF OPERATION ....................................................................... 4-59
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