HYDRAULIC EXCAVATOR PC400LC-6LM PC400HD-6LM AVANCE Shop Manual

MAIN MENU
COVER
CONTENTS
SAFETY
SAFETY NOTICE
FOREWORD
GENERAL
HOW TO READ THE SHOP MANUAL
HOISTING INSTRUCTIONS
COATING MATERIALS
STANDARD TIGHTENING TORQUE
ELECTRIC WIRE CODE
CONVERSION TABLES
01 GENERAL
SPECIFICATION DRAWINGS
WORK EQUIPMENT
SPECIFICATIONS
WEIGHT TABLE
FUEL COOLANT AND LUBRICANTS
10 STRUCTURE AND FUNCTION
PARTS RELATED TO ENGINE
RADIATOR, OIL COOLER
POWER TRAIN
FINAL DRIVE
SWING CIRCLE
SWING MACHINERY
TRACK FRAME, RECOIL SPRING
TRACK FRAME, RECOIL SPRING
TRACK FRAME, RECOIL SPRING
TRACK SHOE
HYDRAULIC PIPING DRAWING
HYDRAULIC CIRCUIT DIAGRAM
HYDRAULIC TANK, HYDRAULIC FILTER
HYDRAULIC PUMP
CONTROL VALVE
SELF REDUCING PRESSURE VALVE
SUCTION SAFETY VALVE
CLSS
SWING MOTOR
TRAVEL MOTOR
VALVE CONTROL
WORK EQUIPMENT PPC VALVE
TRAVEL PPC VALVE
SERVICE PPC VALVE
PPC SAFETY LOCK VALVE
PPC ACCUMULATOR
PPC SHUTTLE VALVE, TRAVEL JUNCTION VALVE
LS-EPC VALVE
SOLENOID VALVE
BOOM HOLDING VALVE
WORK EQUIPMENT
AIR CONDITIONER
ACTUAL ELECTRICAL WIRING DIAGRAM
ENGINE CONTROL
ELECTRONIC CONTROL SYSTEM
MACHINE MONITOR SYSTEM
20 TESTING, ADJUSTING AND TROUBLESHOOTING
STANDARD VALUE TABLE
SERVICE TOOLS TABLE
MEASURING ENGINE SPEED
MEASURING EXHAUST COLOR
VALVE CLEARANCE
COMPRESSION PRESSURE
BLOW BY PRESSURE
FUEL INJECTION TIMING
ENGINE OIL PRESSURE
FAN BELT TENSION
A/C COMPRESSOR BELT
ENGINE SPEED SENSOR
BOOST PRESSURE
GOVERNOR MOTOR LEVER STROKE
WORK, SWING, AND TRAVEL CIRCUIT
TVC VALVE OUTPUT PRESSURE
LS VALVE OUTPUT AND DIFFERENTIAL PRESSURE
CONTROL CIRCUIT OIL PRESSURE
SOLENOID VALVE OUTPUT PRESSURE
PPC VALVE OUTPUT PRESSURE AND SHUTTLE VALVE
WORK EQUIPMENT, SWING PPC VALVE
TRAVEL DEVIATION
LOCATIONS CAUSING HYDRAULIC DRIFT OF WORK EQUIPMENT
MEASURING OIL LEAKAGE
RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT
TESTING CLEARANCE OF SWING CIRCLE BEARING
WEAR OF SPROCKET
TRACK SHOE TENSION
TROUBLESHOOTING GENERAL
TROUBLESHOOTING
TROUBLSHOOTING OF COMMUNICATION ABNORMALITY SYSTEM (N-MODE)
TROUBLESHOOTING OF GOVERNOR, PUMP CONTROLLER, GOVERNOR CONTROL SYSTEM (E-MODE)
TROUBLESHOOTING OF ENGINE SYSTEM (S-MODE)
TROUBLESHOOTING OF GOVERNOR PUMP CONTROLLER, PUMP CONTROL SYSTEM (C-MODE)
TROUBLESHOOTING OF GOVERNOR, PUMP CONTROLLER, INPUT SIGNAL SYSTEM (F-MODE)
TROUBLESHOOTING OF MACHINE MECHANICAL MODE (H-MODE)
TROUBLESHOOTING OF MACHINE MONITOR SYSTEM (M-MODE)
30 DISASSEMBLY AND ASSEMBLY
METHOD OF USING MANUAL
SPECIAL TOOL LIST
SKETCHES OF SPECIAL TOOLS
STARTING MOTOR
ALTERNATOR
ENGINE OIL COOLER
FUEL INJECTION PUMP
WATER PUMP
NOZZLE HOLDER
TURBOCHARGER
THERMOSTAT
FRONT ENGINE SEAL
REAR ENGINE SEAL
CYLINDER HEAD
GOVERNOR MOTOR
AFTERCOOLER CORE
OIL COOLER
RADIATOR, OIL COOLER
ENGINE, MAIN 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 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
BOOM CYLINDER
ARM CYLINDER
BUCKET CYLINDER
HYDRAULIC CYLINDER
THREADED STYLE PISTON
WORK EQUIPMENT
BUCKET
ARM
BUCKET AND ARM
BOOM
OPERATOR’S CAB
COUNTERWEIGHT
COMPRESSOR
CONDENSER
RECEIVER TANK
AIR CONDITIONER UNIT
GOVERNOR, PUMP CONTROLLER
MONITOR PANEL
CONTROL STAND CASE
40 MAINTENANCE STANDARD
ENGINE MOUNT
RADIATOR AND OIL COOLER MOUNT
SWING MACHINERY
SWING CIRCLE
FINAL DRIVE
TRACK FRAME AND RECOIL SPRING
IDLER
CARRIER ROLLER
TRACK ROLLER
TRACK SHOE
TRACK SHOE
HYDRAULIC PUMP
CONTROL VALVE
SELF REDUCING PRESSURE VALVE
SUCTION SAFETY VALVE
SWING MOTOR
TRAVEL MOTOR
WORK EQUIPMENT • SWING PPC VALVE
TRAVEL PPC VALVE
SERVICE PPC VALVE
PPC SHUTTLE VALVE, TRAVEL JUNCTION VALVE
LS-EPC VALVE
SOLENOID VALVE
CENTER SWIVEL JOINT
BOOM HOLDING VALVE
HYDRAULIC CYLINDER
WORK EQUIPMENT
DIMENSIONS OF WORK EQUIPMENT
90 OTHERS
Foldout 20-203 Connector types and mounting location
Foldout 20-229 Details of troubleshooting and troubleshooting procedures
Foldout 20-353 Actions taken by controller when abnormality occurs and problems on machine
Foldout 20-354 Action taken by controller when abnormality occurs and problems on machine
Foldout 20-355 Judgement table for governor pump controller and engine related parts
Foldout 20-356 Electrical circuit diagram for E mode
Foldout 20-365 E-8 Engine does not start
Foldout 20-366 E-9a Engine speed is irregular
Foldout 20-367 E-9b There is hunting
Foldout 20-368 E-10 Lack of output, engine high idle speed is low
Foldout 20-369 E-11 Engine does not stop
Foldout 20-453 Actions taken by controller when abnormality occurs and problems on machine
Foldout 20-454 Actions taken by controller when abnormality occurs and problemss
Foldout 20-455 Actions taken by controller when abnormality occurs and problems on machine
Foldout 20-456 Actions taken by controller when abnromality occurs and problems on machine
Foldout 20-457 Judgement table for governor, pump controller (pump control system) and hydraulic related parts
Foldout 20-458 Electric circuit diagram for C mode
Foldout 20-461 C-2 [E232] Short circuit in front pump TVC solenoid is displayed
Foldout 20-462 C-3 [E233] Disconnection in front pump TVC solenoid system is displayed
Foldout 20-463 C-4 [E236] Short circuit in rear pump TVC solenoid system is displayed
Foldout 20-464 C-5 [E237] Disconnection in rar pump TVC solenid system is displayed
Foldout 20-467 C-7 [E208] Disconnection in active mode, boom, solenoid system is displayed
Foldout 20-468 C-8 [E203] Short circuit in swing brake solenoid system is displayed
Foldout 20-469 C-9 [E213] Disconnection in swing brake solenoid system is displayed
Foldout 20-471 C-11 [E214] Disconnection in pump merge divider solenoid system is displayed
Foldout 20-473 C-13 [E216] Disconnection in travel speed selector solenoid system is displayed
Foldout 20-475 C-15 [E235] Disconnection in active mode, swlin solenoid system is displayed
Foldout 20-503 Electric circuit diagram for F mode
Foldout 20-553 Table of failure modes and causes (1/2)
Foldout 20-554 Table of fialure modes and causes (2/2)
Foldout 20-555 H-1 Speed of all work equipment, swing, travel are slow or lack power
Foldout 20-557 H-4 Abnormal noise generated around pump
Foldout 20-557 H-5 Auto decel does not work when PPC shuttle valve is cause
Foldout 20-557 H-6 Fine control ability is poor or response is poor
Foldout 20-558 H-7 Boom is slow or lacks power
Foldout 20-559 H-8 Arm is slow or lacks power
Foldout 20-560 H-9 Bucket is slow or lacks power
Foldout 20-567 H-21 Travel speed is slow
Foldout 20-568 H-22 Steering does not turn easily or lacks power
Foldout 20-571 H-26 Travel speed is slow
Foldout 20-603 Actions taken by controller when abnormality occurs and problems on machine
Foldout 20-604 Electric circuit diagram for M mode
Foldout 20-637 M-30 Wiper does not work or switch is not being used, but wiper is actuated [include E112, E113]
Foldout 20-638 M-30 (continued)
Foldout 20-641 M-31 Wiper does not work or switch is not being used, but washer motor is actuated (include E114)