Komatsu PC400LC-7L Galeo Hydraulic Excavator Shop Manual (A86001 and up) – CEBM012502

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Komatsu PC400LC-7L Galeo Hydraulic Excavator Shop Manual (A86001 and up) – CEBM012502

This Complete Service Repair Workshop Manual PDF Download for the Komatsu PC400LC-7L Galeo Hydraulic Excavator (S/N: A86001 and up) has easy to read text sections with top quality diagrams, pictures and illustrations. The step by step instructions show you how to fault find or complete any repair or overhaul, correctly and efficiently, saving time and avoiding costly mistakes. All specifications and tolerances are listed. Functions of components and systems are also explained.

APPLICABLE MODELS :

Komatsu PC400LC-7L Galeo Excavator
Serial Numbers : A86001 and up

Komatsu PC400LC-7L mount the SAA6D125E-3 diesel engine

TABLE OF CONTENTS :

– GENERAL
– STRUCTURE, FUNCTION
– MAINTENANCE STANDARD
– TESTING, ADJUSTING
– TROUBLESHOOTING
– DISASSEMBLY AND ASSEMBLY
– OTHER

MANUAL SPECIFICATION :

File Format : PDF
Language : English
Printable : Yes
Searchable : Yes
Bookmarked : Yes
Product Code : CEBM012502
Total Pages : 826

This manual has been prepared as an aid to improve the quality of repairs by giving the serviceman an accurate understanding of the product and by showing him the correct way to perform repairs and make judgements. Make sure you understand the contents of this manual and use it to full effect at every opportunity. This is a must for the Do-It-Yourselfer! Saving Yourself $$$$$$ In Service Repair And Maintenance Costs !!!!

This manual PDF download contains specs, diagrams, actual real photo illustrations, and schemes. In addition to space savings, nice thing about having PDF files instead of a hard-printed manual is that you can use the Search feature in Acrobat to find just what your looking for and just print out the exact pages you need or all manual.

CONTENTS

FOREWORD
SAFETY
SAFETY NOTICE
IMPORTANT SAFETY NOTICE
GENERAL PRECAUTIONS
PREPARATIONS FOR WORK
PRECAUTIONS DURING WORK
GENERAL
HOW TO READ THE SHOP MANUAL
VOLUMES
DISTRIBUTION AND UPDATING
FILING METHOD
REVISED EDITION MARK
REVISIONS
SYMBOLS
HOISTING INSTRUCTIONS
HOISTING
WIRE ROPES
COATING MATERIALS
STANDARD TIGHTENING TORQUE
STANDARD TIGHTENING TORQUE OF BOLTS AND NUTS
TIGHTENING TORQUE OF HOSE NUTS
TIGHTENING TORQUE OF SPLIT FLANGE BOLTS
TIGHTENING TORQUE FOR FLARED NUTS
ELECTRIC WIRE CODE
CLASSIFICATION BY THICKNESS
CLASSIFICATION BY COLOR AND CODE
CONVERSION TABLES
METHOD OF USING THE CONVERSION TABLE

01 GENERAL
SPECIFICATIONS
WEIGHT TABLE
FUEL COOLANT AND LUBRICANTS

10 STRUCTURE AND FUNCTION
RADIATOR . OIL COOLER . AFTERCOOLER
POWER TRAIN
FINAL DRIVE
SWING MACHINERY
SWING CIRCLE
TRACK FRAME AND RECOIL SPRING
IDLER
CARRIER ROLLER
TRACK ROLLER
TRACK SHOE
TRIPLE GROUSER SHOE
HYDRAULIC SYSTEM
HYDRAULIC PIPING DRAWING
HYDRAULIC TANK
HYDRAULIC PUMP
LS VALVE
PC VALVE
LS(PS)-EPC VALVE
VARIABLE VOLUME VALVE
CONTROL VALVE
MAIN RELIEF VALVE
CLSS (CLOSED CENTER LOAD SENSING SYSTEM)
SELF PRESSURE REDUCING VALVE
SWING MOTOR
RELIEF VALVE
REVERSAL PREVENTION VALVE
CENTER SWIVEL JOINT
TRAVEL MOTOR
PARKING BRAKE
TRAVEL JUNCTION VALVE
CONTROL VALVE
TRAVEL PPC SHUTTLE VALVE
WORK EQUIPMENT . SWING PPC VALVE
TRAVEL PPC VALVE
SERVICE PPC VALVE
SOLENOID VALVE
PPC ACCUMULATOR
RETURN OIL FILTER
BOOM HYDRAULIC DRIFT PREVENTION VALVE
ARM HYDRAULIC DRIFT PREVENTION VALVE
QUICK RETURN VALVE
LIFT CHECK VALVE
ATTACHMENT CIRCUIT SELECTOR VALVE
HOLDING VALVE
HYDRAULIC CYLINDER
BOOM CYLINDER
ARM CYLINDER
BUCKET CYLINDER
WORK EQUIPMENT
DIMENSION ARM
DIMENSION OF BUCKET
AIR CONDITIONER
AIR CONDITIONER PIPING
ENGINE CONTROL
OPERATION OF SYSTEM
STARTING ENGINE
ENGINE SPEED CONTROL
STOPPING ENGINE
COMPONENTS OF SYSTEM
FUEL CONTROL DIAL
ENGINE CONTROLLER
ELECTRONIC CONTROL SYSTEM
CONTROL FUNCTIONS
TOTAL SYSTEM DIAGRAM
ENGINE AND PUMP CONTROL FUNCTION
PUMP/VALVE CONTROL FUNCTION
ONE-TOUCH POWER MAXIMIZING/MACHINE PUSH-UP FUNCTION
AUTO-DECELERATION FUNCTION
AUTO-WARM-UP/OVERHEAT PREVENTION FUNCTION
SWING CONTROL FUNCTION
TRAVEL CONTROL FUNCTION
ATT FLOW CONTROL, CIRCUIT SELECTOR FUNCTION (IF EQUIPMENT)
SYSTEM COMPONENT PARTS
ENGINE REVOLUTION SENSOR
PPC OIL PRESSURE SWITCH
PUMP PRESSURE SENSOR
PUMP CONTROLLER
MONITOR SYSTEM
MONITOR CONTROL, DISPLAY PORTION
MONITOR PORTION
MONITOR ITEMS AND DISPLAY
SWITCHES
SELECT MODE FUNCTION
MAINTENANCE FUNCTION
SERVICE METER CHECK FUNCTION
DISPLAY LCD CHECK FUNCTION
SENSOR
ENGINE OIL LEVER SENSOR
ENGINE OIL PRESSURE SENSOR (FOR LOW PRESSURE)
COOLANT TEMPERATURE SENSOR
HYDRAULIC OIL TEMPERATURE SENSOR
FUEL LEVEL SENSOR
AIR CLEANER CLOGGING SENSOR

20 TESTING, ADJUSTING AND TROUBLESHOOTING
STANDARD VALUE TABLE FOR ENGINE
STANDARD VALUE TABLE FOR CHASSIS
TESTING AND ADJUSTING
SERVICE TOOLS
MEASURING ENGINE SPEED
ENGINE
FUEL
BLEEDING AIR FROM FUEL CIRCUIT
FUEL PRESSURE
HANDLING FUEL SYSTEM DEVICES
INSPECTION OF FUEL CIRCUIT FOR LEAKAGE
RELEASING RESIDUAL FUEL SYSTEM PRESSURE
ADJUSTING ENGINE SPEED SENSOR
ADJUSTING VALVE CLEARANCE
BLOW-BY PRESSURE
COMPRESSION PRESSURE
ENGINE OIL PRESSURE
ENGINE SPEED SENSOR
EXHAUST GAS COLOR
EXHAUST TEMPERATURE
INTAKE AIR PRESSURE (BOOST PRESSURE)
FAN BELT AND ALTERNATOR BELT TENSION
AIR CONDITIONER COMPRESSOR BELT TENSION
SWING CIRCLE BEARING CLEARANCE
TRACK SHOE TENSION
WORK EQUIPMENT, SWING, AND TRAVEL OIL CIRCUITS
CONTROL CIRCUIT – BASIC PRESSURE
PUMP PC CONTROL CIRCUIT
PUMP LS CONTROL CIRCUIT
SOLENOID VALVE – OUTPUT PRESSURE
PPC VALVE – OUTPUT PRESSURE
WORK EQUIPMENT PPC VALVE – PLAY ADJUSTMENT
SWING PPC VALVE – PLAY ADJUSTMENT
WORK EQUIPMENT – HYDRAULIC DRIFT – CAUSE
RELEASING RESIDUAL PRESSURE HYDRAULIC CIRCUIT
MEASURING OIL LEAKAGE
BLEEDING AIR FROM EACH PART
DIODE TESTING PROCEDURE
MONITOR PANEL – SPECIAL FUNCTIONS
HANDLING OF ENGINE CONTROLLER
PREPARATION WORK FOR TROUBLESHOOTING
PM CLINIC SERVICE
UNDERCARRIAGE INSPECTION
TROUBLESHOOTING GENERAL
POINTS TO REMEMBER WHEN TROUBLESHOOTING
SEQUENCE OF EVENTS IN TROUBLESHOOTING
POINTS TO REMEMBER WHEN CARRYING OUT MAINTENANCE
POINTS TO REMEMBER WHEN HANDLING ELECTRIC EQUIPMENT
HANDLING WIRING HARNESSES AND CONNECTORS
REMOVING, INSTALLING, AND DRYING CONNECTORS AND WIRING HARNESSES
HANDLING CONTROL BOX
POINTS TO REMEMBER WHEN TROUBLESHOOTING ELECTRIC CIRCUITS
POINTS TO REMEMBER WHEN HANDLING HYDRAULIC EQUIPMENT
CHECKS BEFORE TROUBLESHOOTING
CLASSIFICATION AND STEPS FOR TROUBLESHOOTING
CLASSIFICATION OF TROUBLESHOOTING
STEPS FOR TROUBLESHOOTING
PHENOMENA CONSIDERED TO BE FAILURES AND TROUBLESHOOTING NOS.
CONNECTOR ARRANGEMENT DRAWING
CONNECTORS LIST
CONNECTOR LOCATION DIAGRAM
MONITOR PANEL SYSTEM CIRCUIT DIAGRAM (M CIRCUIT)
ENGINE CONTROL SYSTEM CIRCUIT DIAGRAM (E CIRCUIT)
PUMP CONTROLLER SYSTEM CIRCUIT DIAGRAM (P CIRCUIT)
CONNECTION TABLE FOR CONNECTOR PIN NUMBERS
T-BRANCH BOX AND T-BRANCH TABLE
CONNECTION TABLE OF FUSE BOX
TROUBLESHOOTING ERROR CODES IN MONITOR SYSTEM
POINTS TO REMEMBER WHEN TROUBLESHOOTING SYSTEM
POINTS TO REMEMBER IF ABNORMALITY RETURNS TO NORMAL BY ITSELF
USER CODE MEMORY RETENTION FUNCTION
INFORMATION CONTAINED IN TESTING PROCEDURES
E101
ERROR IN DATA HISTORY
E112
SHORT OR OPEN IN WIPER MOTOR DRIVE SYSTEM
E113
SHORT OR OPEN IN REVERSE ROTATION OF WIPER MOTOR DRIVE
E114
SHORT OR OPEN IN WINDOW WASHER SYSTEM
E115
ABNORMAL WIPER MOTOR OPERATION
E116
ABNORMALITY IN PARKING WIPER ARM
E117
ENGINE CONTROLLER S-NET COMMUNICATION ERROR
E118
PUMP CONTROLLER S-NET COMMUNICTION ERROR
E128
MONITOR COMMUNICATION ABNORMALITY
E201
SHORT OR OPEN IN TRAVEL INTERLOCKING SOLENOID
E203
SHORT IN SWING AND PARKING SOLENOID CONTROLLER SYSTEM
E204
SHORT IN MERGE/DIVIDE SOLENOID
E205
SHORT IN 2-STAGE RELIEF SOLENOID
E206
SHORT IN TRAVEL SPEED SHIFT SOLENOID
E211
OPEN IN TRAVEL INTERLOCKING SOLENOID
E213
OPEN IN SWING HOLDING BRAKE SOLENOID
E214
OPEN IN MERGE/DIVIDE SOLENOID
E215
OPEN IN 2-STAGE RELIEF SOLENOID
E216
OPEN IN TRAVEL SPEED SOLENOID
E217
ABNORMAL INPUT MODEL CODE
E218
OPEN IN S-NET COMMUNICATION SIGNAL
E222
SHORT IN LS-EPC SOLENOID
E223
OPEN IN LS-EPC SOLENOID SYSTEM
E224
ABNORMAL F-PUMP PRESSURE SENSOR SIGNAL
E225
ABNORMAL R-PUMP PRESSURE SENSOR SIGNAL
E226
ABNORMAL PRESSURE SENSOR POWER SUPPLY
E227
ABNORMALITY IN ENGINE ROTATION (RPM) SENSOR
E228
SHORT IN ATTACHMENT RETURN SWITCHING RELAY
E232
SHORT IN PC-EPC SOLENOID
E233
OPEN IN PC-EPC SOLENOID
E238
OPEN IN ATTACHMENT RETURN SWITCHING RELAY
E245
SHORT IN ATTACHMENT OIL FLOW RATE ADJUSTING EPC SYSTEM
E246
OPEN IN ATTACHMENT OIL FLOW RATE ADJUSTING EPC SYSTEM
E247
ABNORMALITY IN ARM IN PPC PRESSURE SENSOR
E248
ABNORMALITY IN BUCKET CURL PPC PRESSURE SENSOR
E257
ABNORMALITY IN PUMP
E315
SHORT IN BATTERY RELAY SYSTEM
E91B
ENGNE NE SENSOR PROBLEM
E91C
ENGINE G SENSOR PROBLEM
E920
ENGINE TYPE SELECTION ERROR
E921
ENGINE TYPE MISMATCH
E931
FUEL DIAL SYSTEM ERROR
E934
ENGINE COOLANT SENSOR HI ERROR
E96A
ENGINE COOLANT SENSOR LO ERROR
E936
ENGINE OIL PRESSURE SWITCH ERROR
E93C
ENGINE BOOST SENSOR ERROR
E93D
ENGINE FUEL TEMPERATURE SENSOR ERROR
E953
ENGINE COMMUNICATION ABNORMALITY
E954
SHORT IN ENGINE IGNITION SWITCH
E955
ENGINE S-NET ERROR
E956
ENGINE POWER FAILURE (1)
E957
ENGINE POWER FAILURE (2)
E95A
ENGINE Q-ADJUSTMENT SWITCH SIGNAL ERROR
E970
PCV1 OVER CURRENT
E971
PCV2 OVER CURRENT
E974
PCV1 LINE CUT
E975
PCV2 LINE CUT
E977
RAIL PRESSURE SENSOR ERROR
E979
RAIL PRESSURE HIGH
E97A
RAIL PRESSURE ABNORMAL HIGH
E97B
RAIL PRESSURE LOW
E97C
RAIL PRESSURE TOO LOW
E97D
RAIL PRESSURE OUT OF CONTROL
E980
ENGINE CONTROLLER ABNORMALITY
E981
FUEL INJECTOR 1 DISCONNECTION
E982
FUEL INJECTOR 2 DISCONNECTION
E983
FUEL INJECTOR 3 DISCONNECTION
E984
FUEL INJECTOR 4 DISCONNECTION
E985
FUEL INJECTOR 5 DISCONNECTION
E986
FUEL INJECTOR 6 DISCONNECTION
E98A
FUEL INJECTOR 1 – 3 S/C
E98B
FUEL INJECTOR 4 – 6 S/C
A000N1
ENGINE HIGH IDLELING SPEED OUT OF STANDARD
A000N2
ENGINE LOW IDLING SPEED OUT OF STANDARD
AA10NX
AIR CLEANER CLOGGED
AB00KE
CHARGE VOLTAGE LOW
[email protected]
ENGINE OIL PRESSURE LOW
[email protected]
ENGINE OIL LEVEL LOW
[email protected]
ENGINE WATER OVERHEAT
[email protected]
ENGINE WATER LEVEL LOW
[email protected]
HYDRAULIC OIL OVERHEAT
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E MODE)
BEFORE CARRYING OUT TROUBLESHOOTING
CONNECTION TABLE OF FUSE BOX
POINTS TO REMEMBER WHEN TROUBLESHOOTING SYSTEM
POINTS TO REMEMBER IF ABNORMALITY RETURNS TO NORMAL BY ITSELF
USER CODE MEMORY RETENTION FUNCTION
INFORMATION CONTAINED IN TESTING PROCEDURES
E-1
THE ENGINE DOES NOT CRANK
E-2
PREHEATER DOES NOT OPERATE
PREHEATING MONITOR DOES NOT LIGHT
HEATER UNIT DOES NOT WARM
E-3
AUTO ENGINE WARM-UP DEVICE DOES NOT WORK
E-4
AUTO-DECELERATOR DOES NOT OPERATE
E-5
ALL WORK EQUIPMENT, SWING AND TRAVEL DO NOT OPERATE
E-6
ONE-TOUCH POWER MAX. FUNCTION DOES NOT OPERATE
E-7
MACHINE PUSH-UP FUNCTION DOES NOT OPERATE NORMALLY
MACHINE PUSH-UP FUNCTION DOES NOT OPERATE
MACHINE PUSH-UP FUNCTION IS NOT TURNED OFF
E-8
ATTACHMENT CIRCUIT DOES NOT CHANGE
E-9
NO DISPLAY IN MONITOR PANEL AT ALL
E-10
PART OF DISPLAY ON MONITOR PANEL IS MISSING
E-11
MONITOR PANEL DISPLAYS CONTENTS IRRELEVANT TO THE MODEL
E-12
FUEL LEVEL MONITOR RED LAMP LIGHTS UP WHILE ENGINE IS RUNNING
E-13
ENGINE WATER TEMPERATURE GAUGE DOES NOT DISPLAY CORRECTLY
E-14
HYDRAULIC OIL TEMPERATURE GAUGE DOES NOT DISPLAY CORRECTLY
E-15
FUEL GAUGE DOES NOT DISPLAY CORRECTLY
E-16
SWING LOCK MONITOR DOES NOT DISPLAY CORRECTLY
E-17
WHEN MONITOR SWITCH IS OPERATED, NOTHING IS DISPLAYED
E-18
WINDSHIELD WIPER AND WINDOW WASHER DO NOT WORK
WINDSHIELD WIPER DOES NOT WORK
WINDSHIELD WASHER DOES NOT OPERATE
E-19
ALARM BUZZER CANNOT BE CANCELLED
E-20
“BOOM RAISE” IS NOT CORRECTLY DISPLAYED IN MONITOR FUNCTION
E-21
“BOOM LOWER” IS NOT CORRECTLY DISPLAYED IN MONITOR FUNCTION
E-22
“ARM IN” IS NOT DISPLAYED NORMALLY IN MONITORING FUNCTION
E-23
“ARM DUMPING” IS NOT CORRECTLY DISPLAYED IN MONITOR FUNCTION
E-24
“BUCKET CURL” IS NOT DISPLAYED NORMALLY IN MONITORING FUNCTION
E-25
“BUCKET DUMPING” IS NOT CORRECTLY DISPLAYED IN MONITOR FUNCTION
E-26
“SWING” IS NOT DISPLAYED NORMALLY IN MONITORING FUNCTION
E-27
“TRAVEL” IS NOT CORRECTLY DISPLAYED IN MONITOR FUNCTION
E-28
“TRAVEL DIFFERENTIAL PRESSURE” IS NOT CORRECTLY DISPLAYED IN MONITOR FUNCTION
E-29
“SERVICE” IS NOT CORRECTLY DISPLAYED IN MONITOR FUNCTION
E-30
TRAVEL ALARM DOES NOT SOUND OR DOES NOT STOP SOUNDING
E-32
TROUBLESHOOTING FOR AIR CONDITIONER SYSTEM
TROUBLESHOOTING PROCEDURE FOR AIR CONDITIONER SYSTEM
TROUBLESHOOTING BY SELF-DIAGNOSIS NOTICE
E-32-E11 DISCONNECTION IN RECIRCULATED AIR SENSOR
E-32-E12 SHORT CIRCUIT IN RECIRCULATED AIR SPACE
E-32-E15 DISCONNECTION IN WATER TEMPERATURE SENSOR
E-32-E16 SHORT CIRCUIT IN WATER TEMPERATURE SENSOR
E-32-E18 SHORT IN DAYLIGHT SENSOR
E-32-E43 ABNORMALITY IN AIR OUTLET DAMPER
E-32-E44 ABNORMALITY IN AIR MIX DAMPER
E-32-E45 ABNORMALITY IN RECIRCULATED AND FRESH AIR DAMPER
E-32 – TROUBLESHOOTING BY FAILURE PHENOMENON
TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (H MODE)
SYSTEM CHART FOR HYDRAULIC AND MECHANICAL SYSTEMS
INFORMATION CONTAINED IN TROUBLESHOOTING TABLE
H-1
ALL WORK EQUIPMENT LACK POWER, OR TRAVEL AND SWING SPEEDS ARE SLOW
H-2
ENGINE SPEED SHARPLY DROPS OR ENGINE STALLS
H-3
NO WORK EQUIPMENT, TRAVEL OR SWING MOVE
H-4
ABNORMAL NOISE IS HEARD FROM AROUND HYDRAULIC PUMP
H-5
AUTO-DECELERATOR DOES NOT WORK
H-6
FINE CONTROL MODE DOES NOT FUNCTION
H-7
BOOM MOVES SLOWLY OR LACKS POWER
H-8
ARM MOVES SLOWLY OR LACKS POWER
H-9
BUCKET MOVES SLOWLY OR LACKS POWER
H-10
WORK EQUIPMENT DOES NOT MOVE IN ITS SINGLE OPERATION
H-11
WORK EQUIPMENT HYDRAULIC DRIFT TOO FAST
H-12
WORK EQUIPMENT HAS BIG TIME LAG
H-13
OTHER WORK EQUIPMENT MOVES WHEN RELIEVING SINGLE CIRCUIT
H-14
ONE-TOUCH POWER MAX. FUNCTION DOES NOT WORK
H-15
MACHINE PUSH-UP FUNCTION DOES NOT WORK
H-16
IN COMPOUND OPERATION, WORK EQUIPMENT WITH LARGER LOAD MOVES SLOWLY
H-17
IN SWING + BOOM RAISE OPERATION, BOOM MOVES SLOWLY
H-18
IN SWING + TRAVEL, TRAVEL SPEED DROPS SHARPLY
H-19
MACHINE SWERVES IN TRAVEL
H-20
MACHINE TRAVELS SLOWLY
H-21
MACHINE CANNOT BE EASILY STEERED OR LACKS POWER
H-22
TRAVEL SPEED DOES NOT SHIFT, OR IT IS SLOWER OR FASTER THAN PRESET SPEED.
H-23
TRACK SHOE DOES NOT TURN (ON ONE SIDE ONLY)
H-24
MACHINE DOES NOT SWING
H-25
SWING ACCELERATION IS POOR, OR SWING SPEED IS SLOW
H-26
EXCESSIVE OVERRUN WHEN STOPPING SWING
H-27
THERE IS BIG SHOCK WHEN STOPPING SWING
H-28
THERE IS BIG ABNORMAL NOISE CAUSED WHEN STOPPING SWING
H-29
SWING NATURAL DRIFT IS TOO BIG
H-30
ATTACHMENT CIRCUIT DOES NOT CHANGE
H-31
FLOW RATE IN ATTACHMENT CIRCUIT CANNOT BE ADJUSTED

30 DISASSEMBLY AND ASSEMBLY
HOW TO READ THIS MANUAL
REMOVAL AND INSTALLATION OF ASSEMBLIES
DISASSEMBLY AND ASSEMBLY OF ASSEMBLIES
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
CONNECTOR REPAIR PROCEDURES
CONTACT TERMINAL REMOVAL (HD30 TYPE)
STRIPING INSULATION
CRIMPING CONTACT TERMINAL (HD30 TYPE)
INSERTION OF CONTACT TERMINAL (HD30 TYPE)
CONTACT TERMINAL REMOVAL (DT TYPE)
STRIPING INSULATION
CRIMPING CONTACT TERMINAL (DT TYPE)
INSERTION OF CONTACT TERMINAL (DT TYPE)
ENGINE
AFTERCOOLER
ALTERNATOR
CYLINDER HEAD
ENGINE FRONT SEAL
ENGINE OIL COOLER
ENGINE REAR SEAL
FUEL INJECTION PUMP
NOZZLE HOLDER
NOZZLE TIP
STARTING MOTOR
THERMOSTAT
TURBOCHARGER
WATER PUMP
RADIATOR
REMOVAL
INSTALLATION
HYDRAULIC OIL COOLER
REMOVAL
INSTALLATION
ENGINE AND HYDRAULIC PUMP
REMOVAL
INSTALLATION
SWING CIRCLE
REMOVAL
INSTALLATION
SWING MOTOR AND SWING MACHINERY
REMOVAL
INSTALLATION
DISASSEMBLY
ASSEMBLY
SPROCKET
REMOVAL
INSTALLATION
TRAVEL MOTOR AND FINAL DRIVE
REMOVAL
INSTALLATION
FINAL DRIVE
DISASSEMBLY
ASSEMBLY
CARRIER ROLLER
ASSEMBLY
TRACK ROLLER
ASSEMBLY
IDLER
DISASSEMBLY
ASSEMBLY
RECOIL SPRING
DISASSEMBLY
ASSEMBLY
TRACK SHOE
EXPANSION
INSTALLATION
AIR CONDITIONER UNIT
REMOVAL
INSTALLATION
OPERATOR’S CAB
REMOVAL
INSTALLATION
MONITOR
REMOVAL
INSTALLATION
PUMP CONTROLLER
REMOVAL
INSTALLATION
ENGINE CONTROLLER
REMOVAL
INSTALLATION
REVOLVING FRAME
REMOVAL
INSTALLATION
COUNTERWEIGHT
REMOVAL
INSTALLATION
HYDRAULIC TANK
REMOVAL
INSTALLATION
HYDRAULIC PUMP
REMOVAL
INSTALLATION
OIL SEAL IN HYDRAULIC PUMP INPUT SHAFT
REMOVAL
INSTALLATION
CONTROL VALVE
REMOVAL
INSTALLATION
REPLACEMENT PROCEDURE FOR PRESSURE COMPENSATION VALVE SEAL
ASSEMBLY
CENTER SWIVEL JOINT
REMOVAL
INSTALLATION
DISASSEMBLY
ASSEMBLY
WORK EQUIPMENT PPC VALVE
ASSEMBLY
TRAVEL PPC VALVE
DISASSEMBLY
ASSEMBLY
HYDRAULIC CYLINDER
DISASSEMBLY
ASSEMBLY
WORK EQUIPMENT
REMOVAL
INSTALLATION
OPERATOR’S CAB GLASS
REMOVAL
INSTALLATION
FRONT WINDOW
REMOVAL
INSTALLATION

90 OTHERS
HYDRAULIC
HYDRAULIC DIAGRAM SHEET 1/2 (PART 1 OF 4) FOLDOUT 1
HYDRAULIC DIAGRAM SHEET 1/2 (PART 2 OF 4) FOLDOUT 2
HYDRAULIC DIAGRAM SHEET 1/2 (PART 3 OF 4) FOLDOUT 3
HYDRAULIC DIAGRAM SHEET 1/2 (PART 4 OF 4) FOLDOUT 4
HYDRAULIC DIAGRAM SHEET 2/2 (PART 1 OF 4) FOLDOUT 5
HYDRAULIC DIAGRAM SHEET 2/2 (PART 2 OF 4) FOLDOUT 6
HYDRAULIC DIAGRAM SHEET 2/2 (PART 3 OF 4) FOLDOUT 7
HYDRAULIC DIAGRAM SHEET 2/2 (PART 4 OF 4) FOLDOUT 8
ELECTRICAL
ELECTRICAL DIAGRAM SHEET 1/5 (PART 1 OF 2) FOLDOUT 9
ELECTRICAL DIAGRAM SHEET 1/5 (PART 2 OF 2) FOLDOUT 10
ELECTRICAL DIAGRAM SHEET 2/5 (PART 1 OF 1) FOLDOUT 11
ELECTRICAL DIAGRAM SHEET 3/5 (PART 1 OF 1) FOLDOUT 12
ELECTRICAL DIAGRAM SHEET 4/5 (PART 1 OF 2) FOLDOUT 13
ELECTRICAL DIAGRAM SHEET 4/5 (PART 2 OF 2) FOLDOUT 14
ELECTRICAL DIAGRAM SHEET 5/5 (PART 1 OF 2) FOLDOUT 15
ELECTRICAL DIAGRAM SHEET 5/5 (PART 2 OF 2) FOLDOUT 16
M CIRCUIT (MONITOR PANEL SYSTEM DIAGRAM) (PART 1 OF 2) FOLDOUT 17
M CIRCUIT (MONITOR PANEL SYSTEM DIAGRAM) (PART 2 OF 2) FOLDOUT 18
E CIRCUIT (ENGINE CONTROL SYSTEM DIAGRAM) (PART 1 OF 2) FOLDOUT 19
E CIRCUIT (ENGINE CONTROL SYSTEM DIAGRAM) (PART 2 OF 2) FOLDOUT 20
P CIRCUIT (PUMP CONTROLLER SYSTEM DIAGRAM) (PART 1 OF 4) FOLDOUT 21
P CIRCUIT (PUMP CONTROLLER SYSTEM DIAGRAM) (PART 2 OF 4) FOLDOUT 22
P CIRCUIT (PUMP CONTROLLER SYSTEM DIAGRAM) (PART 3 OF 4) FOLDOUT 23
P CIRCUIT (PUMP CONTROLLER SYSTEM DIAGRAM) (PART 4 OF 4) FOLDOUT 24

 

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Komatsu PC400LC-7L Galeo Hydraulic Excavator Shop Manual (A86001 and up) – CEBM012502.pdf

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