Komatsu Excavator PC400LC-6LK PC400HD-6LK Avance service & repair manual

Description Komatsu Excavator PC400LC-6LK PC400HD-6LK Avance service & repair manual

Komatsu Hydraulic Excavator PC400LC-6LK, PC400HD-6LK Avance pdf workshop service repair manual + operation & maintenance manual

Serial number A83001 and up

Specifications, testing, troubleshooting, maintenance, technical documentation, electrical diagrams, hydraulic schematics, adjusting, assembly, disassembly, removal, installation instructions and other information

MANUAL CONTENT:
GENERAL
SPECIFICATION DRAWINGS
MACHINE
WORK EQUIPMENT
SPECIFICATIONS
WEIGHT TABLE
FUEL COOLANT AND LUBRICANTS

STRUCTURE AND FUNCTION
PARTS RELATED TO ENGINE
ENGINE MOUNT TORQUES
RADIATOR, OIL COOLER
RADIATOR AND OIL COOLER SPECIFICATIONS AND TORQUES
POWER TRAIN
FINAL DRIVE
FINAL DRIVE SPECIFICATIONS AND TORQUES
SWING CIRCLE
SWING CIRCLE SPECIFICATIONS AND TORQUES
SWING MACHINERY
SWING MACHINERY SPECIFICATIONS AND TORQUES
TRACK FRAME, RECOIL SPRING
TRACK FRAME, RECOIL SPRING TORQUES PC400LC-6LK - VARIABLE GAUGE
TRACK FRAME, RECOIL SPRING TORQUES PC400HD-6LK
TRACK SHOE
TRACK SHOE SPECIFICATIONS
CARRIER ROLLER
IDLER
TRACK ROLLER
HYDRAULIC PIPING DRAWING
HYDRAULIC CIRCUIT DIAGRAM
HYDRAULIC TANK, HYDRAULIC FILTER
HYDRAULIC PUMP
HPV 160 + 160
HYDRAULIC PUMP TORQUES
TVC, LS VALVE
LS VALVE - OPERATION
TVC VALVE - OPERATION
HYDRAULIC CYLINDER
BOOM, BUCKET CYLINDER - THREADED PISTON
BOOM, BUCKET CYLINDER - CLAMPED PISTON
ARM CYLINDER - THREADED PISTON
ARM CYLINDER - CLAMPED PISTON
CONTROL VALVE
10 SPOOL VALVE - STD AND 3 SERVICE VALVES
9 SPOOL VALVE - STD AND 2 SERVICE VALVES
8 SPOOL VALVE - STD AND 1 SERVICE VALVES
7 SPOOL VALVE - STD
CONTROL VALVE SPECIFICATIONS AND TORQUES
SPOOL VALVE
SELF REDUCING PRESSURE VALVE
SELF REDUCING PRESSURE VALVE SPECIFICATIONS
SUCTION SAFETY VALVE
FOR SERVICE
SUCTION SAFETY VALVE SPECIFICATIONS AND TORQUES
CLSS
OUTLINE OF CLSS
BASIC PRINCIPLE
CONTROL OF PUMP SWASH PLATE ANGLE
PRESSURE COMPENSATION
OPERATION FOR EACH FUNCTION OF CLSS
SYSTEM DIAGRAM
WHEN UNLOAD VALVE IS ACTUATED
OPERATION OF RELIEF VALVE
CUT-OFF CONTROL ACTUATED
CUT-OFF CANCELED
INTRODUCTION OF LS PRESSURE
LS BYPASS VALVE
PRESSURE COMPENSATION VALVE
SHUTTLE VALVE INSIDE PRESSURE COMPENSATION VALVE
VARIABLE TYPE PRESSURE COMPENSATION VALVE (FOR SERVICE VALVE)
VARIABLE PRESSURE COMPENSATION VALVE SPECIFICATIONS AND TORQUES
BOOM REGENERATION CIRCUIT
ARM REGENERATION CIRCUIT
MERGE FLOW DIVIDER VALVE
LS SELECT VALVE
2-STAGE SAFETY VALVE (INSTALLED TO BOOM CYLINDER HEAD)
OPERATION OF CLSS SYSTEM AS A WHOLE
WHEN ALL WORK EQUIPMENT IS AT NEUTRAL
WHEN PUMP FLOW MERGED, BUCKET CURL OPERATED INDEPENDENTLY
WHEN PUMP FLOW MERGED, BOOM RAISE OPERATED INDEPENDENTLY
WHEN PUMP FLOW MERGED, ARM IN OPERATED INDEPENDENTLY
WHEN PUMP FLOW MERGED, ARM OUT OPERATED INDEPENDENTLY
WHEN PUMP DIVIDED, TRAVEL OPERATED INDEPENDENTLY
WHEN PUMP FLOW MERGED, ARM IN + BOOM RAISE OPERATED SIMULTANEOUSLY
WHEN PUMP FLOW MERGED, SWING + BOOM RAISE OPERATED SIMULTANEOUSLY
WHEN PUMP FLOW DIVIDED, TRAVEL + BOOM RAISE OPERATED SIMULTANEOUSLY
WHEN PUMP FLOW DIVIDED, TRAVEL + ARM IN OPERATED SIMULTANEOUSLY
SWING MOTOR
SWING MOTOR SPECIFICATIONS AND TORQUES
SUCTION-SAFETY VALVE
SWING BRAKE
CENTER SWIVEL JOINT
CENTER SWIVEL JOINT SPECIFICATIONS
TRAVEL MOTOR
MOTOR OPERATION
AT LOW SPEED
AT HIGH SPEED
PARKING BRAKE OPERATION
BRAKE VALVE OPERATION
SAFETY VALVE
VALVE CONTROL
WORK EQUIPMENT PPC VALVE
OPERATION
AT NEUTRAL
DURING FINE CONTROL (NEUTRAL → FINE CONTROL)
DURING FINE CONTROL (WHEN LEVER IS RETURNED)
AT FULL STROKE
WORK EQUIPMENT AND SWING PPC VALVE SPECIFICATIONS AND TORQUES
TRAVEL PPC VALVE
OPERATION
AT NEUTRAL
FINE CONTROL (NEUTRAL →FINE CONTROL)
FINE CONTROL (CONTROL LEVER RETURNED)
AT FULL STROKE
TRAVEL PPC VALVE SPECIFICATIONS AND TORQUE
SERVICE PPC VALVE
SERVICE PPC VALVE SPECIFICATIONS AND TORQUES
PPC SAFETY LOCK VALVE
PPC ACCUMULATOR
PPC SHUTTLE VALVE, TRAVEL JUNCTION VALVE
PPC SHUTTLE VALVE
TRAVEL JUNCTION VALVE
STRAIGHT-TRAVEL SYSTEM
PPC SHUTTLE VALVE, TRAVEL JUNCTION VALVE SPECIFICATIONS AND TORQUES
LS-EPC VALVE
LS-EPC VALVE SPECIFICATIONS AND TORQUES
SOLENOID VALVE
SOLENOID VALVE TORQUES
BOOM HOLDING VALVE
BOOM HOLDING VALVE SPECIFICATIONS AND TORQUES
WORK EQUIPMENT
WORK EQUIPMENT SPECIFICATIONS
DIMENSIONS OF WORK EQUIPMENT
ARM
BUCKET
AIR CONDITIONER
A/C PIPING
A/C ELECTRICAL WIRING DIAGRAM
ENGINE CONTROL
OPERATION
STARTING ENGINE
ENGINE SPEED CONTROL
STOPPING ENGINE
COMPONENTS
FUEL CONTROL DIAL
GOVERNOR MOTOR
GOVERNOR, PUMP CONTROLLER
INPUT OUTPUT SIGNALS
ELECTRONIC CONTROL SYSTEM
CONTROL FUNCTION
TOTAL SYSTEM DIAGRAM
PUMP AND ENGINE CONTROL SYSTEM
PUMP AND VALVE CONTROL FUNCTION
CUT-OFF FUNCTION
CUT-OFF CANCEL FUNCTION
FINE CONTROL MODE FUNCTION
POWER MAX. FUNCTION, SWIFT SLOW-DOWN FUNCTION
AUTO DECELERATION SYSTEM
AUTOMATIC WARMING-UP AND ENGINE OVERHEAT PREVENTION FUNCTION
SWING CONTROL SYSTEM
TRAVEL CONTROL SYSTEM
ACTIVE MODE FUNCTION
INCREASE IN ENGINE SPEED
COMPONENTS OF SYSTEM
ENGINE SPEED SENSOR
PPC HYDRAULIC SWITCH
PUMP PRESSURE SENSOR
TVC PROLIX RESISTOR
MACHINE MONITOR SYSTEM
MONITOR PANEL
MONITOR DISPLAY
CONTENT OF DISPLAY
OIL MAINTENANCE FUNCTION
MODE SELECTION SWITCHES
SWITCH ACTUATION TABLE
SENSORS

TESTING, ADJUSTING AND TROUBLESHOOTING
STANDARD VALUE TABLES
ENGINE RELATED PARTS
CHASSIS RELATED PARTS
ELECTRICAL PARTS
TROUBLESHOOTING GENERAL
TROUBLESHOOTING ELECTRICAL SYSTEM ON GOVERNOR PUMP CONTROLLER (C-MODE)
TROUBLESHOOTING ELECTRICAL SYSTEM ON GOVERNOR PUMP CONTROLLER (E-MODE)
TROUBLESHOOTING GOVERNOR, PUMP CONTROLLER, INPUT SIGNAL (F-MODE)
TROUBLESHOOTING HYDRAULIC AND MECHANICAL SYSTEM (H-MODE)
TROUBLESHOOTING MACHINE MONITOR SYSTEM (M-MODE)
TROUBLESHOOTING COMMUNICATION SYSTEM (N-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
AFTERCOOLER
ALTERNATOR
CYLINDER HEAD
ENGINE OIL COOLER
ENGINE REAR SEAL
FUEL INJECTION PUMP
NOZZLE HOLDER
STARTING MOTOR
THERMOSTAT
TURBOCHARGER
WATER PUMP
GOVERNOR MOTOR
OIL COOLER
RADIATOR, OIL COOLER
ENGINE, MAIN HYDRAULIC PUMP
DAMPER
FUEL TANK
CENTER SWIVEL JOINT
FINAL DRIVE
TRAVEL MOTOR
SPROCKET
SWING MOTOR
SWING MACHINERY
REVOLVING FRAME
SWING CIRCLE
IDLER AND RECOIL SPRING
IDLER
RECOIL SPRING
TRACK ROLLER
CARRIER ROLLER
TRACK CHAIN
HYDRAULIC TANK
MAIN HYDRAULIC PUMP
DISASSEMBLY
PUMP ASSEMBLY
FRONT PUMP
REAR PUMP
ASSEMBLY
FRONT PUMP
REAR PUMP
MAIN PUMP OIL SEAL
CONTROL VALVE
PUMP MERGE DIVIDER VALVE
PRESSURE COMPENSATION VALVE
FRONT PUMP SERVO VALVE
REAR PUMP SERVO VALVE
LS-EPC SOLENOID VALVE
SOLENOID VALVE
WORK EQUIPMENT PPC VALVE
TRAVEL PPC VALVE
PPC SHUTTLE VALVE
BOOM LOCK VALVE
CYLINDER
BOOM
ARM
BUCKET
HYDRAULIC
BOLT ON TYPE PISTON
THREADED STYLE PISTON
WORK EQUIPMENT
BUCKET
ARM
BUCKET AND ARM
BOOM
OPERATORS CAB
COUNTERWEIGHT
AIR CONDITIONER
COMPRESSOR
CONDENSER
RECEIVER TANK
AIR CONDITIONER UNIT
GOVERNOR, PUMP CONTROLLER
MONITOR PANEL
CONTROL STAND CASE

OTHERS
ELECTRICAL DIAGRAMS
HYDRAULIC DIAGRAMS

Engine SA6D125E-2 workshop service repair manual