KOBELCO SK115 SK135 HYDRAULIC EXCAVATOR WORKSHOP SERVICE REPAIR MANUAL





THIS MANUAL IS COMPATIBLE WITH THE FOLLOWING COMPUTER OPERATING SYSTEMS:
# ALL WINDOWS VERSION
# ALL MAC VERSION

# YOU NEED THE ADOBE ACROBAT READER TO VIEW THE DOCUMENT AS THE MANUAL IS PDF FORMAT. IF YOUR COMPUTER DON'T HAVE THIS APPLICATION YOU CAN DOWNLOAD AND INSTALL IT FREE FROM ADOBE ACROBAT WEBSITE

# AS THIS MANUAL IS COMING TO YOU IN ZIP FORMAT, YOU NEED TO EXTRACT THE FILE BEFORE USE BY USING WINZIP OR WINRAR SOFTWARE. IF YOUR COMPUTER DON'T HAVE THIS APPLICATION YOU CAN DOWNLOAD AND INSTALL IT FREE FROM WINZIP WEBSITE




APPLICABLE MODEL:
KOBELCO SK115SR HYDRAULIC EXCAVATOR SERIAL NUMBER: YV00101 & UP
KOBELCO SK115SRL HYDRAULIC EXCAVATOR SERIAL NUMBER: LD01-01001 & UP
KOBELCO SK135SR(LC) HYDRAULIC EXCAVATOR SERIAL NUMBER: YH00101 & UP
KOBELCO SK135SRL HYDRAULIC EXCAVATOR SERIAL NUMBER: LK01-01001 & UP



ENGINE COVERED:
4.3L 4-CYLINDER, 4-CYCLE, WATER-COOLED, ISUZU A-4BG1 DIESEL ENGINE
4.3L 4-CYLINDER, 4-CYCLE, WATER-COOLED, TURBOCHARGED, ISUZU A-4BG1T DIESEL ENGINE



CONTENTS:
GENERAL PRECAUTION
CONVERSION TABLE
SPECIFICATIONS
TIGHTENING TORQUE
SPECIAL TOOLS
MAINTENANCE
MECHATRO CONTROL SYSTEM
SWING PRIORITY CONTROL
PUMP CONTROL
RELIEF CUTOFF CONTROL
MECHATRO CONTROLLER
HYDRAULIC SYSTEM
PILOT & MAIN PIPING
ELECTRICAL SYSTEM
ELECTRICAL EQUIPMENT TEST
ELECTRICAL HARNESS
COMPONENT SYSTEM
HYDRAULIC PUMPCONTROL VALVE
TRAVEL MOTOR
SWIVEL JOINT SYSTEM
PILOT VALVE
HYDRAULIC CYLINDER
AIR CONDITIONING
BOOM AND BUCKET
ARM AND DOZER
CAB & UPPER STRUCTURE
BATTERY SYSTEM
OPERATOR SEAT
INSTRUMENT PANEL
COUNTERWEIGHT
AIR CLEANER SYSTEM
HYDRAULIC & FUEL TANK
RADIATOR & OIL COOLER
ENGINE SYSTEM
MULTI CONTROL VALVE
CRAWLER & ROLLER SYSTEM
IDLER & SPROCKET
TRAVEL REDUCTION UNIT
ENGINE PROPER
LUBRICATION SYSTEM
COOLING SYSTEM
ENGINE FUEL SYSTEM
TURBOCHARGER SYSTEM
STARTER SYSTEM
ALTERNATOR SYSTEM
MOUNTING THE BREAKER
NIBBLER AND BREAKER
TROUBLESHOOTING
ELECTRICAL CIRCUIT DIAGRAM
HYDRAULIC CIRCUIT DIAGRAM





THIS MANUAL PRESENTED FOR YOU IN ELECTRONIC FORMAT YOU CAN JUST PRINT OUT THE PAGE YOU NEED THEN DISPOSE OF IT WHEN YOU HAVE COMPLETED YOUR TASK. THIS MANUAL HAS DETAILED ILLUSTRATIONS AS WELL AS STEP BY STEP WRITTEN INSTRUCTIONS WITH THE NECESSARY DIAGRAMS OR PICTURES. THESE MANUALS ARE YOUR NUMBER ONE SOURCE FOR REPAIR AND SERVICE INFORMATION & SPECIFICALLY WRITTEN FOR THE DO-IT-YOURSELF AS WELL AS THE EXPERIENCED MECHANICS WORLDWIDE USED TO USE THIS FACTORY MANUAL TO FIX YOUR VEHICLE. USING THIS REPAIR MANUAL IS AN INEXPENSIVE WAY TO KEEP YOUR VEHICLE WORKING PROPERLY. IT IS THIS LEVEL OF DETAIL, ALONG WITH MORE THAN 1000 PAGES OF ILLUSTRATIONS, THAT GUIDE THE READER THROUGH EACH SERVICE, REPAIR & MAINTENANCE PROCEDURE.