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HYDRAULIC EXCAVATOR PC300-7 PC300LC-7 PC350-7 PC350LC-7 Shop Manual
MAIN MENU
COVER
CONTENTS
SAFETY
SAFETY NOTICE
FOREWORD
GENERAL
HOW TO READ THE SHOP MANUAL
HOISTING INSTRUCTIONS
METHOD OF DISSASSEMBLY, CONNECTING PUSH-RULL TYPE COUPLER
COATING MATERIALS
STANDARD TIGHTENING TORQUE
CONVERSION TABLE
UNITS
01 GENERAL
SPECIFICATION DIMENSION DRAWINGS
SPECIFICATIONS
WEIGHT TABLE
FUEL, COOLANT AND LUBRICANTS
10 STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
ENGINE RELATED PARTS
RADIATOR – OIL COOLER – AFTERCOOLER
POWER TRAIN
FINAL DRIVE
SPROCKET
SWING MACHINERY
SWING CIRCLE
TRACK FRAME – RECOIL SPRING
IDLER
CARRIER ROLLER
TRACK ROOLER
TRACK SHOE
HYDRAULIC EQUIPMENT LAYOUT DRAWING
HYDRAULIC TANK
HYDRAULIC PUMP
VARIABLE VOLUME VALVE
CONTROL VALVE
CLSS
SELF PRESSURE REDUCING VALVE
SWING MOTOR
REVERSE PREVENTION VALVE
CENTER SWIVEL JOINT
TRAVEL MOTOR
TRAVEL JUNCTION VALVE
TRAVEL PPC SHUTTLE VALVE
VALVE CONTROL
WORK EQUIPMENT – SWING PPC VALVE
TRAVEL PPC VALVE
SERVICE PPC VALVE
SOLENOID VALVE
PPC ACCUMULATOR
RETURN OIL FILTER
BOOM HYDRAULIC DRIFT PREVENTION VALVE
QUICK RETURN VALVE
LIFT CHECK VALVE
ATTACHMENT CIRCUIT SELECTOR VALVE
HYDRAULIC CYLINDER
WORK EQUIPMENT
AIR CONDITIONER
ENGINE CONTROL
ELECTRONIC CONTROL SYSTEM
MULTI MONITOR SYTEM
7-SEGMENT MONITOR SYSTEM
SENSOR
20 TESTING AND ADJUSTING
STANDARD VALVE TABLE FOR ENGINE RELATED PARTS
STANDARD VALVE TABLE FOR CHASSIS RELATED PARTS
TESTING AND ADJUSTING
TROUBLESHOOTING
30 DISSASSEMBLY AND ASSEMBLY
HOW TO READ MANUAL
PRECAUTIONS WHEN PERFORMING OPERATION
SPECIAL TOOL LIST
STARTING MOTOR ASSEMBLY
FUEL INJECTION PUMP ASSEMBLY
ENGINE FRONT SEAL
ENGINE REAR SEAL
CYLINDER HEAD ASSEMBLY
RADIATOR ASSEMBLY
HYDRAULIC OIL COOLER ASSEMBLY
ENGINE AND HYDRAULIC PUMP ASSEMBLIES
FINAL DRIVE ASSEMBLY
SWING MOTOR, SWING MACHINERY ASSEMBLY
CARRIER ROLLER ASSEMBLY
TRACK ROLLER ASSEMBLY
IDLER ASSEMBLY
RECOIL SPRING ASSEMBLY
SPROCKET
TRACK SHOE ASSEMBLY
SWING CIRCLE ASSEMBLY
REVOLVING FRAME ASSEMBLY
HYDRAULIC TANK ASSEMBLY
CONTROL VALVE ASSEMBLY
HYDRAULIC PUMP ASSEMBLY
OIL SEAL IN HYDRAULIC PUMP INPUT SHAFT
WORK EQUIPMENT PPC VALVE ASSEMBLY
TRAVEL PPC VALVE ASSEMBLY
HYDRAULIC CYLINDER ASSEMBLY
WORK EQUIPMENT ASSEMBLY
AIR CONDITIONER UNIT ASSEMBLY
COUNTERWEIGHT ASSEMBLY
OPERATOR’S CAB ASSEMBLY
MONITOR ASSEMBLY
GOVERNOR PUMP CONTROLLER ASSEMBLY
90 OTHERS
HYDRAULIC DIAGRAM
PC300-7, PC300LC-7: Serial No. 40001 – 45000 PC350-7, PC350LC-7: Serial No. 20001 – 25000
PC300-7,PC300LC-7: Serial No. 45001 and up PC350-7,PC350LC-7: Serial No. 25001 and up