HYDRAULIC EXCAVATOR PC300LL-7E0 GALEO Shop Manual

COVER
CONTENTS
FOREWORD
SAFETY
01 GENERAL
HOW TO READ THE SHOP MANUAL
HOISTING INSTRUCTIONS
PUSH PULL COUPLER
EXPLANATION OF MAINTENANCE STANDARD TERMS
STANDARD TIGHTENING TORQUE
ELECTRIC WIRE CODE
CONVERSION TABLES
COATING MATERIALS
SPECIFICATIONS
WEIGHT TABLE
FUEL, COOLANT, AND LUBRICANTS
10 STRUCTURE AND FUNCTION
ENGINE RELATED PARTS
RADIATOR . OIL COOLER . AFTERCOOLER
POWER TRAIN
FINAL DRIVE
SPROCKET
SWING MACHINERY
TRACK FRAME . RECOIL SPRING
IDLER
TRACK ROLLER/CARRIER ROLLER
TRACK SHOE
TRIPLE GROUSER SHOE
DOUBLE GROUSER SHOE
HYDRAULIC EQUIPMENT
HYDRAULIC TANK AND FILTER
HYDRAULIC PUMP
CONTROL VALVE
CLSS
VALVE FUNCTIONS AND OPERATION
UNLOADER VALVE
INTRODUCTION OF LS PRESSURE
LS BYPASS VALVE
PRESSURE COMPENSATION VALVE
MERGE-DIVIDER VALVE
LS SELECT VALVE
SELF PRESSURE REDUCING VALVE
TRAVEL JUNCTION VALVE
TRAVEL PPC SHUTTLE VALVE
BOOM DRIFT PREVENTION VALVE
ARM DRIFT PREVENTION VALVE
QUICK RETURN VALVE
LIFT CHECK VALVE
MAIN RELIEF VALVE
2-STAGE SAFETY-SUCTION VALVE
VARIABLE PRESSURE COMPENSATION VALVE
CONTROL VALVE
PPC VALVE
PRESSURE REDUCING VALVE
SOLENOID VALVE
ATTACHMENT SOLENOID VALVE
CENTER SWIVEL JOINT
TRAVEL MOTOR
PARKING BRAKE
SAFETY VALVE
SWING MOTOR
REVERSE PREVENTION VALVE
HYDRAULIC CYLINDERS – EXCAVATOR WORK EQUIPMENT
WORK EQUIPMENT PIVOT POINT MEASUREMENTS
CAB AND ATTACHMENTS
ELECTRICAL SYSTEM
ELECTRONIC COMPONENTS
ELECTRONIC CONTROL SYSTEM
SYSTEM COMPONENTS
MONITOR SYSTEM
MONITOR CONTROL AND DISPLAY
SWITCHES
SENSOR
KOMTRAX TERMINAL SYSTEM
20 TESTING, ADJUSTING ANDTROUBLESHOOTING
TESTING AND ADJUSTING
TROUBLESHOOTING (GENERAL)
TROUBLESHOOTING OF ELECTRICALSYSTEM (E-MODE)
TROUBLESHOOTING HYDRAULIC ANDMECHANICAL SYSTEM (H-MODE)
30 DISASSEMBLY AND ASSEMBLY
ENGINE COMPONENTS
CONNECTOR REPAIR PROCEDURES
ENGINE AND COOLING SYSTEM
POWER TRAIN
UNDERCARRIAGE AND FRAME
HYDRAULIC SYSTEM
WORK EQUIPMENT
CAB AND ITS ATTACHMENTS
ELECTRICAL SYSTEM
90 OTHERS
ELECTRICAL CIRCUIT DIAGRAMS
HYDRAULIC CIRCUIT DIAGRAMS