Komatsu Excavator PC300LC-7E0 PC300HD-7E0 Galeo service & repair manual

Description Komatsu Excavator PC300LC-7E0 PC300HD-7E0 Galeo service & repair manual

Komatsu Hydraulic Excavator PC300LC-7E0, PC300HD-7E0 Galeo pdf workshop service repair manual + operation & maintenance manual

Serial numbers:
PC300LC-7E0 A88001 and up
PC300HD-7E0 A86001 and up

MANUAL CONTENT:
GENERAL
SPECIFICATIONS
DIMENSIONS
WORKING RANGES
SPECIFICATIONS
WEIGHT TABLE
FUEL, COOLANT AND LUBRICANTS

STRUCTURE AND FUNCTION
ENGINE RELATED PARTS
RADIATOR OIL COOLER AFTERCOOLER
FINAL DRIVE
SPROCKET
SPROCKET TOOL
SWING MACHINERY
SWING CIRCLE
TRACK FRAME RECOIL SPRING
IDLER
CARRIER ROLLE
TRACK SHOE
TRIPLE GROUSER SHOE
HYDRAULIC EQUIPMENT
HYDRAULIC TANK AND FILTER
HYDRAULIC PUMP
LS VALVE
PC VALVE
LS(PC)-EPC Valve
VARIABLE VOLUME VALVE
CONTROL VALVE
CLSS
OUTLINE OF CLSS
BASIC PRINCIPLE
VALVE FUNCTIONS AND OPERATION
UNLOADER VALVE
INTRODUCTION OF LS PRESSURE
LS BYPASS VALVE
PRESSURE COMPENSATION VALVE
PRESSURE COMPENSATION VALVE INNER SHUTTLE
BOOM REGENERATION CIRCUIT
ARM REGENERATION CIRCUIT
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
ATTACHMENT CIRCUIT SELECTOR VALVE
VALVE CONTROL
PPC VALVE
WORK EQUIPMENT AND SWING PPC VALVE
TRAVEL PPC VALVE
PRESSURE REDUCING VALVE
SERVICE PPC VALVE
PPC ACCUMULATOR
SOLENOID VALVE
RETURN OIL FILTER
FOR BREAKER
CENTER SWIVEL JOINT
TRAVEL MOTOR
OPERATION OF MOTOR
PARKING BRAKE
BRAKE VALVE OPERATION
TRAVEL MOTOR
OPERATION OF MOTOR
BRAKE VALVE OPERATION
SAFETY VALVE
SWING MOTOR
SWING HOLDING BRAKE
RELIEF VALVE PORTION
REVERSE PREVENTION VALVE
EXPLANATORY DRAWING OF EFFECTS
HYDRAULIC CYLINDERS
BOOM CYLINDER
ARM CYLINDER
BUCKET CYLINDER
WORK EQUIPMENT PIVIOT POINT MEASURMENTS
BOSS BUSHING/PINS
DIMENSION OF ARM
DIMENSION OF BUCKET
CAB AND ATTACHMENTS
AIR CONDITIONER PIPING
ELECTRICAL SYSTEM
ENGINE CONTROL
OPERATION OF SYSTEM
ELECTRONIC COMPONENTS
FUEL CONTROL DIAL
ENGINE CONTROLLER
COOLANT TEMPERATURE SENSOR
OIL PRESSURE SWITCH
ENGINE SPEED SENSOR
BOOST PRESSURE AND TEMPERATURE SENSOR
WIF (WATER-IN-FUEL DETECTION) SENSOR
ENGINE OIL LEVEL SENSOR
ELECTRONIC CONTROL SYSTEM
CONTROL FUNCTION
SYSTEM DIAGRAM
ENGINE AND PUMP CONTROL FUNCTION
PUMP AND VALVE CONTROL
LS CONTROL FUNCTION
CUT-OFF FUNCTION
2-STAGE RELIEF FUNCTION
POWER MAXIMIZING AND MACHINE PUSH-UP
AUTO-DECELERATION
AUTO-WARM-UP AND OVERHEAT PREVENTION
SWING CONTROL
TRAVEL CONTROL
ATTACHMENT FLOW CONTROL AND CIRCUIT SELECTOR (IF EQUIPPED)
SYSTEM COMPONENTS
PPC OIL PRESSURE SWITCH
OIL PRESSURE SENSOR
PUMP PRESSURE SENSOR (HIGH PRESSURE)
PUMP CONTROLLER
MONITOR SYSTEM
MACHINE MONITOR
MONITOR CONTROL AND DISPLAY
MONITOR
DISPLAY
SWITCHES
BRIGHTNESS, CONTRAST ADJUSTMENT
SERVICE METER CHECK FUNCTION
DISPLAY LCD CHECK FUNCTION
USER CODE DISPLAY FUNCTION
SENSOR
HYDRAULIC OIL LEVEL SENSOR
HYDRAULIC OIL AND COOLANT TEMPERATURE SENSOR
FUEL LEVEL SENSOR
AIR CLEANER CLOGGING SENSOR
KOMTRAX TERMINAL SYSTEM
KOMTRAX TERMINAL

TESTING, ADJUSTING AND TROUBLESHOOTING
STANDARD VALUE TABLES
ENGINE RELATED
CHASSIS RELATED
SERVICE TOOLS
ENGINE SERVICE TOOLS
CHASSIS SERVICE TOOLS
ENGINE
AIR BOOST PRESSURE
AIR COMPRESSOR BELT TENSION
BLOW-BY PRESSURE
COMPRESSION PRESSURE
ENGINE OIL PRESSURE
ENGINE RPM
ENGINE SPEED
EXHAUST GAS COLOR
FUEL INJECTION TIMING
VALVE CLEARANCE
MEASURING ENGINE FUNCTIONS
MEASURE ENGINE SPEED WITH MACHINE MONITOR
CYLINDER CUT-OUT OPERATION
NO INJECTION CRANKING OPERATION
CHECK AND ADJUST REFRIGERANT COMPRESSOR BELT
MEASURING SWING CIRCLE BEARING CLEARANCE
CHECK AND ADJUST TRACK SHOE TENSION
CHECK AND ADJUST OIL PRESSURE IN WORK EQUIPMENT, SWING AND TRAVEL CIRCUIT
CHECKING CONTROL CIRCUIT OIL PRESSURE
CHECK AND ADJUST PUMP PC CONTROL CIRCUIT OIL PRESSURE
CHECK AND ADJUST PUMP LS CONTROL CIRCUIT OIL PRESSURE
MEASURING SOLENOID VALVE OUTPUT PRESSURE
MEASURING PPC VALVE OUTPUT PRESSURE
ADJUSTING PLAY IN WORK EQUIPMENT AND SWING PPC VALVE
TROUBLESHOOTING HYDRAULIC DRIFT IN WORK EQUIPMENT
INSPECTION OF BOOM AND BUCKET CYLINDERS
INSPECTION OF ARM CYLINDER
INSPECTION OF BOOM LOCK VALVE
INSPECTION OF PPC VALVE
RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT
MEASURING OIL LEAKAGE AMOUNT
BLEEDING AIR FROM VARIOUS SYSTEMS
DIODE INSPECTION PROCEDURES
SPECIAL FUNCTIONS OF MACHINE MONITOR
ORDINARY AND SPECIAL FUNCTIONS OF MACHINE MONITOR
OPERATION OF OPERATORS MENU AND DISPLAY (OUTLINE)
SERVICE MENU OPERATION AND DISPLAY
SWITCHING TO SERVICE MENU
MONITORING FUNCTION
FUNCTION OF ABNORMALITY RECORD
FUNCTION OF MAINTENANCE RECORD
FUNCTION OF MAINTENANCE MODE CHANGE
FUNCTION OF PHONE NUMBER ENTRY
FUNCTION OF DEFAULT
FUNCTION OF ADJUSTMENT
FUNCTION OF CYLINDER CUT OUT OPERATION
FUNCTION OF NO INJECTION CRANKING
HANDLING VOLTAGE CIRCUIT OF ENGINE CONTROLLER
PROCEDURE FOR TURNING ON KOMTRAX TERMINAL
KOMTRAX TERMINAL LAMP INDICATIONS
PM-CLINIC INSPECTION TABLE
TROUBLESHOOTING
TROUBLESHOOTING GENERAL
TROUBLESHOOTING WHEN ERROR CODE ELECTRICAL SYSTEM AND FAILURE CODE MECHANICAL SYSTEM ARE DISPLAYED
E-MODE = TROUBLESHOOTING ELECTRICAL SYSTEM
H-MODE = TROUBLESHOOTING HYDRAULIC

DISASSEMBLY AND ASSEMBLY
COATING MATERIALS LIST
SPECIAL TOOLS LIST
SKETCHES OF SPECIAL TOOLS
PRECAUTIONS DURING OPERATION
PRECAUTIONS WHEN CARRYING OUT REMOVAL WORK
PRECAUTIONS WHEN CARRYING OUT INSTALLATION WORK
PRECAUTIONS WHEN COMPLETING THE OPERATIONS
OTHER PRECAUTIONS
ENGINE
AFTERCOOLER CORE
ALTERNATOR
CYLINDER HEAD
ENGINE FRONT SEAL
ENGINE OIL COOLER
ENGINE REAR SEAL
FUEL INJECTION PUMP
NOZZLE HOLDER
STARTING MOTOR
THERMOSTAT
TURBOCHARGER
WATER PUMP
CONNECTOR REPAIR PROCEDURES
CONTACT TERMINAL REMOVAL (HD30 TYPE)
STRIPPING INSULATION
CRIMPING CONTACT TERMINAL (HD30 TYPE)
INSERTION OF CONTACT TERMINAL (HD30 TYPE)
CONTACT TERMINAL REMOVAL (DT TYPE)
STRIPPING INSULATION
CRIMPING CONTACT TERMINAL (DT TYPE)
INSERTION OF CONTACT TERMINAL (DT TYPE)
ENGINE AND COOLING SYSTEM
REMOVAL AND INSTALLATION OF FUEL SUPPLY PUMP ASSEMBLY
SPECIAL TOOLS
REMOVAL AND INSTALLATION OF ENGINE FRONT SEAL
REMOVAL AND INSTALLATION OF ENGINE REAR SEAL
REMOVAL AND INSTALLATION OF CYLINDER HEAD ASSEMBLY
REMOVAL AND INSTALLATION OF RADIATOR ASSEMBLY
REMOVAL AND INSTALLATION OF HYDRAULIC OIL COOLER ASSEMBLY
REMOVAL AND INSTALLATION OF AFTERCOOLER ASSEMBLY
REMOVAL AND INSTALLATION OF ENGINE AND HYDRAULIC PUMP ASSEMBLY
POWER TRAIN
REMOVAL AND INSTALLATION OF FINAL DRIVE ASSEMBLY
DISASSEMBLY AND ASSEMBLY OF FINAL DRIVE
REMOVAL AND INSTALLATION OF SWING MOTOR AND SWING MACHINERY ASSEMBLY
DISASSEMBLY AND ASSEMBLY OF SWING MOTOR AND SWING MACHINERY ASSEMBLY
REMOVAL AND INSTALLATION OF SWING CIRCLE ASSEMBLY
UNDERCARRIAGE AND FRAME
DISASSEMBLY AND ASSEMBLY OF CARRIER ROLLER ASSEMBLY
DISASSEMBLY AND ASSEMBLY OF TRACK ROLLER ASSEMBLY
DISASSEMBLY AND ASSEMBLY OF IDLER ASSEMBLY
DISASSEMBLY AND ASSEMBLY OF RECOIL SPRING ASSEMBLY
REMOVAL AND INSTALLATION OF SPROCKET
EXPANSION AND INSTALLATION OF TRACK SHOE ASSEMBLY
EXPANSION OF TRACK SHOE
INSTALLATION OF TRACK SHOE
REMOVAL AND INSTALLATION OF REVOLVING FRAME ASSEMBLY
REMOVAL AND INSTALLATION OF COUNTERWEIGHT ASSEMBLY
HYDRAULIC SYSTEM
REMOVAL AND INSTALLATION OF CENTER SWIVEL JOINT ASSEMBLY
DISASSEMBLY AND ASSEMBLY OF CENTER SWIVEL JOINT ASSEMBLY
REMOVAL AND INSTALLATION OF HYDRAULIC TANK ASSEMBLY
REMOVAL AND INSTALLATION OF CONTROL VALVE ASSEMBLY
DISASSEMBLY AND ASSEMBLY OF CONTROL VALVE ASSEMBLY
REMOVAL AND INSTALLATION OF HYDRAULIC PUMP ASSEMBLY
REMOVAL AND INSTALLATION OF OIL SEAL IN HYDRAULIC PUMP INPUT SHAFT
DISASSEMBLY AND ASSEMBLY OF WORK EQUIPMENT PPC VALVE ASSEMBLY
DISASSEMBLY AND ASSEMBLY OF TRAVEL PPC VALVE ASSEMBLY
DISASSEMBLY AND ASSEMBLY OF HYDRAULIC CYLINDER ASSEMBLY
WORK EQUIPMENT
REMOVAL AND INSTALLATION OF WORK EQUIPMENT ASSEMBLY
CAB AND ITS ATTACHMENTS
REMOVAL AND INSTALLATION OF OPERATORS CAB ASSEMBLY
REMOVAL AND INSTALLATION OF OPERATORS CAB FIXED WINDOW
REMOVAL AND INSTALLATION OF FRONT WINDOW ASSEMBLY
ELECTRICAL SYSTEM
REMOVAL AND INSTALLATION OF WORK EQUIPMENT ASSEMBLY
REMOVAL AND INSTALLATION OF MACHINE MONITOR
REMOVAL AND INSTALLATION OF PUMP CONTROLLER
REMOVAL AND INSTALLATION OF KOMTRAX TERMINAL
REMOVAL AND INSTALLATION OF ENGINE CONTROLLER

OTHERS
HYDRAULIC CIRCUIT DIAGRAMS
ELECTRICAL CIRCUIT DIAGRAMS

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