Komatsu H75051 Operation & Maintenance Manual page 21

FOREWORD
WELDING INSTRUCTIONS............................................................................................................... 4-2
DO NOT DROP THINGS INSIDE MACHINE ..................................................................................... 4-2
PRECAUTIONS FOR KDPF .............................................................................................................. 4-2
PRECAUTIONS FOR SCR ASSEMBLY ............................................................................................ 4-3
DUSTY JOBSITES............................................................................................................................. 4-3
AVOID MIXING OIL............................................................................................................................ 4-3
LOCK INSPECTION COVERS .......................................................................................................... 4-3
BLEED AIR FROM HYDRAULIC CIRCUIT ........................................................................................ 4-3
PRECAUTIONS WHEN INSTALLING HYDRAULIC HOSES ............................................................. 4-3
CHECKS AFTER INSPECTION AND MAINTENANCE...................................................................... 4-3
FUEL AND LUBRICANTS TO MATCH THE AMBIENT TEMPERATURE........................................... 4-4
CLOSE ENGINE SIDE COVER SECURELY...................................................................................... 4-4
OUTLINE OF MAINTENANCE.................................................................................................................. 4-5
HANDLE OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC .................................................. 4-5
HANDLE ELECTRICAL COMPONENTS ........................................................................................... 4-9
STANDARD TIGHTENING TORQUE FOR BOLTS AND NUTS .............................................................. 4-10
MAINTENANCE SCHEDULE.................................................................................................................. 4-12
MAINTENANCE SCHEDULE TABLE............................................................................................... 4-12
MAINTENANCE INTERVAL WHEN DIESEL FUEL MIXED WITH BIO-FUEL IS USED ................... 4-13
MAINTENANCE PROCEDURE .............................................................................................................. 4-15
INITIAL 10 HOURS MAINTENANCE (ONLY FOR THE FIRST 100 HOURS) .................................. 4-15
INITIAL 250 HOURS MAINTENANCE (ONLY AFTER THE FIRST 250 HOURS) ............................ 4-15
WHEN REQUIRED .......................................................................................................................... 4-15
CHECKS BEFORE STARTING........................................................................................................ 4-43
EVERY 50 HOURS MAINTENANCE ............................................................................................... 4-44
EVERY 100 HOURS MAINTENANCE ............................................................................................. 4-44
EVERY 250 HOURS MAINTENANCE ............................................................................................. 4-48
EVERY 500 HOURS MAINTENANCE ............................................................................................. 4-54
EVERY 1000 HOURS MAINTENANCE ........................................................................................... 4-59
EVERY 2000 HOURS MAINTENANCE ........................................................................................... 4-64
EVERY 4000 HOURS MAINTENANCE ........................................................................................... 4-81
EVERY 4500 HOURS MAINTENANCE ........................................................................................... 4-84
EVERY 8000 HOURS MAINTENANCE ........................................................................................... 4-84
EVERY 9000 HOURS MAINTENANCE ........................................................................................... 4-84
SPECIFICATIONS ........................................................................................................................................... 5-1
SPECIFICATIONS .................................................................................................................................... 5-2
SPECIFICATIONS:WA270-8.............................................................................................................. 5-2
ATTACHMENTS AND OPTIONS ..................................................................................................................... 6-1
BUCKET AND TIRE SELECTION............................................................................................................. 6-2
HANDLE HYDRAULIC TYPE QUICK COUPLER ..................................................................................... 6-3
EXPLANATION OF COMPONENTS ON MACHINES WITH QUICK COUPLER ................................ 6-3
METHOD FOR REMOVING ATTACHMENT ...................................................................................... 6-4
METHOD FOR INSTALLING ATTACHMENT ..................................................................................... 6-5
HANDLE FORK ........................................................................................................................................ 6-8
EXPLANATION OF COMPONENTS ON MACHINES WITH FORK ................................................... 6-8
MACHINE OPERATIONS AND CONTROLS ..................................................................................... 6-9
PCS (PROPORTIONAL CONTROL SWITCH)........................................................................................ 6-15
LCD UNIT ........................................................................................................................................ 6-15
METHOD FOR SETTING PCS ........................................................................................................ 6-17
AUTO-GREASING .................................................................................................................................. 6-19
INITIAL 10 HOURS MAINTENANCE (ONLY FOR THE FIRST 100 HOURS) .................................. 6-22
REPLACEMENT PARTS.................................................................................................................................. 7-1
PERIODIC REPLACEMENT OF DEFINED LIFE PARTS.......................................................................... 7-2
DEFINED LIFE PARTS LIST.............................................................................................................. 7-2
CONSUMABLE PARTS ............................................................................................................................ 7-3
CONSUMABLE PARTS LIST ............................................................................................................. 7-3
RECOMMENDED FUEL, COOLANT, AND LUBRICANT .......................................................................... 7-4
LUBRICATION CHART ...................................................................................................................... 7-4
TABLE OF CONTENTS
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