Komatsu Excavator PC300LC-7L PC300HD-7L service & repair manual

Description Komatsu Excavator PC300LC-7L PC300HD-7L service & repair manual

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

Serial number A85001 and up

MANUAL CONTENT:
GENERAL
SPECIFICATION DIMENSION DRAWINGS
DIMENSIONS
WORKING RANGES
DIMENSIONS
WORKING RANGES. SPECIFICATIONS. WEIGHT TABLE
FUEL, COOLANT, AND LUBRICANTS

STRUCTURE AND FUNCTION
ENGINE RELATED PARTS
RADIATOR OIL COOLER AFTERCOOLER
FINAL DRIVE
SWING MACHINERY
SWING CIRCLE
TRACK FRAME RECOIL SPRING
IDLER
CARRIER ROLLER
TRACK ROLLER
TRACK SHOE
TRIPLE GROUSER SHOE
HYDRAULIC EQUIPMENT LAYOUT DRAWING
HYDRAULIC TANK
HYDRAULIC PUMP
LS VALVE
PC VALVE
LS(PC)-EPC VALVE
VARIABLE VOLUME VALVE
CONTROL VALVE
MAIN RELIEF VALVE
VARIABLE PRESSURE COMPENSATION VALVE
CLSS
SELF PRESSURE REDUCING VALVE
SWING MOTOR
RELIEF VALVE PORTION
SWING LOCK
REVERSE PREVENTION VALVE
CENTER SWIVEL JOINT
TRAVEL MOTOR
MOTOR OPERATION
PARKING BRAKE OPERATION
MOTOR OPERATION
PARKING BRAKE OPERATION
BRAKE VALVE OPERATION
TRAVEL JUNCTION VALVE
TRAVEL PPC SHUTTLE VALVE
VALVE CONTROL
WORK EQUIPMENT
SWING PPC VALVE
TRAVEL PPC VALVE
SERVICE VALVE
SOLENOID VALVE
PPC ACCUMULATOR
RETURN OIL FILTER
FOR BREAKER
BOOM HYDRAULIC DRIFT PREVENTION VALVE
QUICK RETURN VALVE
LIFT CHECK VALVE
ATTACHMENT CIRCUIT SELECTOR VALVE
HYDRAULIC CYLINDER
BOOM CYLINDER
ARM CYLINDER
BUCKET CYLINDER
WORK EQUIPMENT
DIMENSION OF ARM
DIMENSION OF BUCKET
AIR CONDITIONER
PIPING
ENGINE CONTROL
FUEL CONTROL DIAL
GOVERNOR MOTOR
ENGINE THROTTLE AND PUMP CONTROLLER
INPUT AND OUTPUT SIGNALS
ELECTRONIC CONTROL SYSTEM
TOTAL SYSTEM DIAGRAM
MULTI MONITOR SYSTEM
MONITOR PANEL
MONITOR CONTROL, DISPLAY PORTION MONITOR PORTION
MAINTENANCE FUNCTION
SENSORS
ENGINE OIL LEVEL SENSOR
ENGINE OIL PRESSURE SENSOR (FOR LOW PRESSURE)
COOLANT TEMPERATURE SENSOR
HYDRAULIC OIL TEMPERATURE SENSOR
FUEL LEVEL SENSOR
AIR CLEANER CLOGGING SENSOR

TESTING, ADJUSTING AND TROUBLESHOOTING
STANDARD VALUE TABLES
ENGINE RELATED
CHASSIS RELATED
TESTING AND ADJUSTING
TROUBLESHOOTING
TROUBLESHOOTING GENERAL
TROUBLESHOOTING ELECTRICAL SYSTEM (E-MODE)
TROUBLESHOOTING OF MONITOR ELECTRICAL SYSTEM (E-MODE)
TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (H-MODE)

DISASSEMBLY AND ASSEMBLY
PRECAUTIONS DURING OPERATION
PRECAUTIONS WHEN CARRYING OUT REMOVAL WORK
PRECAUTIONS WHEN CARRYING OUT INSTALLATION WORK
PRECAUTIONS WHEN COMPLETING THE OPERATIONS
OTHER PRECAUTIONS
SPECIAL TOOL LIST
SKETCHES OF SPECIAL TOOLS
ENGINE
ALTERNATOR
CYLINDER HEAD
ENGINE FRONT SEAL
ENGINE OIL COOLER
ENGINE REAR SEAL
FUEL INJECTION PUMP
NOZZLE HOLDER
STARTING MOTOR
THERMOSTAT
TURBOCHARGER
WATER PUMP
RADIATOR
HYDRAULIC OIL COOLER
ENGINE AND HYDRAULIC PUMPS
REMOVAL
INSTALLATION
FINAL DRIVE
SWING MOTOR AND SWING MACHINERY
CARRIER ROLLER
TRACK ROLLER
IDLER
RECOIL SPRING
SPROCKET
TRACK SHOE
EXPANSION OF TRACK SHOE
ASSEMBLY
SWING CIRCLE
REVOLVING FRAME
CENTER SWIVEL JOINT
HYDRAULIC TANK
CONTROL VALVE
PROCEDURES FOR REPLACING PRESSURE COMPENSATION VALVE ASSEMBLY
HYDRAULIC PUMP
INPUT SHAFT OIL SEAL
WORK EQUIPMENT PPC VALVE
TRAVEL PPC VALVE
HYDRAULIC CYLINDER
WORK EQUIPMENT
AIR CONDITIONER
COUNTERWEIGHT
OPERATORS CAB
GOVERNOR PUMP CONTROLLER

OTHERS
ELECTRICAL DIAGRAM
HYDRAULIC DIAGRAM

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