Komatsu PC300LC-5, PC400LC-5 Hydraulic Excavator Shop Manual – CEBM207041

This complete service repair workshop manual PDF download for the Komatsu PC300LC-5 & PC400LC-5 Hydraulic Excavator 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 :

Machine Model – Serial Numbers

PC300LC-5 – A30001 and up
WITH KDC 614TA ENGINE

PC400LC-5 – A40001 and up
WITH CUMMINS LTA-10C ENGINE

TABLE OF CONTENTS :

– GENERAL
– STRUCTURE AND FUNCTION
– TESTING AND ADJUSTING
– DISASSEMBLY AND ASSEMBLY
– MAINTENANCE STANDARD
– OTHERS

MANUAL SPECIFICATION :

File Format : PDF
Language : English
Printable : Yes
Searchable : Yes
Bookmarked : Yes
Product Code : CEBM207041
Total Pages : 683

This service repair workshop manual PDF download contains specs, diagrams, actual real photo illustrations, and schemes. In addition to space savings, nice thing about having completly searcheble PDF files instead of a hard-printed manual is that you can use the Search feature in your PDF reader software (Adobe Acrobat) to find just what your looking for and just print out the exact pages you need or all manual easily. This is the same Repair Service manual your local dealer will use when doing a repair.

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01 GENERAL
GENERAL VIEW – PC300LG5, PC400LG5
MACHINE DIMENSIONS – PC300LG5
WORKING RANGE DIMENSIONS – PC300LC-5
MACHINE SPECIFICATIONS – PC300LG5
MACHINE DIMENSIONS – PC400LC-5
WORKING RANGE DIMENSIONS – PC400LC-5
MACHINE SPECIFICATIONS – PC400LC-5
WEIGHT TABLE
REFILL SPECIFICATIONS AND CAPACITIES
PC300LC-5
PC400LC-5

10 STRUCTURE AND FUNCTION
ENGINE RELATED PARTS AND ENGINE MOUNT PC300LC
ENGINE RELATED PARTS AND ENGINE MOUNT PC400LC
RADIATOR AND OIL COOLER PC300LC
RADIATOR AND OIL COOLER PC400LC
FUEL TANK AND PIPING PC300LC
FUEL TANK AND PIPING PC400LC
POWER TRAIN
FINAL DRIVE PC300LC
FINAL DRIVE PC400LC
SWING CIRCLE PC300LC
SWING CIRCLE PC400LC
SWING MACHINERY PC300LC
SWING MACHINERY PC400LC
TRACK FRAME AND RECOIL SPRING PC300LC
TRACK FRAME AND RECOIL SPRING PC400LC
IDLER PC300LC
IDLER PC400LC
TRACK ROLLER
CARRIER ROLLER
TRACK SHOE PC300LC
TRACK SHOE PC400LC
HYDRAULIC PIPING
HYDRAULIC CIRCUIT DIAGRAM
HYDRAULIC TANK PC300LC
HYDRAULIC TANK PC400LC
OLSS (Open Center Load Sensing System)
HYDRAULIC PUMP
LINE OIL FILTER
CONTROL VALVE
SWING MOTOR
CENTER SWIVEL JOINT
TRAVEL MOTOR PC300LC
TRAVEL MOTOR PC400LC
VALVE CONTROL
PPC VALVE
ACCUMULATOR
SAFETY LOCK VALVE
SOLENOID VALVE ASSEMBLY
SHUTTLE VALVE
BOOM HOLDING VALVE
HYDRAULIC CYLINDER
WORK EQUIPMENT
ELECTRICAL WIRING DIAGRAM PC300LC
ELECTRICAL WIRING DIAGRAM PC400LC
ELECTRICAL CIRCUIT DIAGRAM PC300LC
ELECTRICAL CIRCUIT DIAGRAM PC400LC
ENGINE CONTROL SYSTEM PC300LC (S/N A30001 THRU A30110, A30112 AND A30114 THRU A30116)
ENGINE CONTROL SYSTEM PC300LC (S/N A30111, A30113 AND A30117 AND UP)
ENGINE CONTROL SYSTEM PC400LC
PEMC SYSTEM
EMACC (ELECTRONIC MONITOR AND CONTROL CONSOLE)

20 TESTING AND ADJUSTING
TABLE OF JUDGEMENT STANDARD VALUE
STANDARD VALUE TABLE FOR ELECTRICAL SYSTEM
TOOLS FOR TESTING, ADJUSTING AND TROUBLESHOOTING
ADJUSTING TRAVEL OF GOVERNOR MOTOR LEVER
ADJUSTING ENGINE SPEED SENSOR
TESTING AND ADJUSTING HYDRAULIC PRESSURE IN WORK EQUIPMENT, SWING AND TRAVEL CIRCUIT
TESTING AND ADJUSTING CHARGING PUMP PRESSURE
TESTING AND ADJUSTING MAIN PUMP CONTROL PRESSURE
TESTING AND ADJUSTING TRAVEL DEVIATION
MEASURING STROKE OF SERVO PISTON
MEASURING OUTPUT PRESSURE OF PPC VALVE
ADJUSTING WORK EQUIPMENT AND SWING PPC VALVE
TESTING PPC SHUTTLE VALVE
MEASURING SOLENOID VALVE OUTLET PORT PRESSURE
TESTING LOCATIONS CAUSING HYDRAULIC DRIFT OF WORK EQUIPMENT
BLEEDING AIR
RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT
TROUBLESHOOTING
POINTS TO REMEMBER WHEN TROUBLESHOOTING
SEQUENCE OF EVENTS IN TROUBLESHOOTING
PRECAUTIONS WHEN CARRYING OUT MAINTENANCE
HANDLING CONNECTORS – YAZAKI TYPE CONNECTOR
HANDLING CONNECTORS – PACKARD COMPANY CONNECTOR
CHECKS BEFORE TROUBLESHOOTING
ELECTRICAL CIRCUIT DIAGRAM – ENGINE THROTTLE CONTROLLER SYSTEM (PC300LC)
ELECTRICAL CIRCUIT DIAGRAM – ENGINE THROTTLE CONTROLLER SYSTEM (PC400LC)
PUMP CONTROLLER SYSTEM – PC300LC
PUMP CONTROLLER SYSTEM – PC400LC
MONITOR SYSTEM – PC300LC
MONITOR SYSTEM – PC400LC
POSITION OF CONNECTORS FOR TROUBLESHOOTING TABLE – PC300LC
POSITION OF CONNECTORS FOR TROUBLESHOOTING – PC300LC
POSITION OF CONNECTORS FOR TROUBLESHOOTING TABLE – PC400LC
POSITION OF CONNECTORS FOR TROUBLESHOOTING – PC400LC
CONNECTION TABLE FOR CONNECTOR (N-SLC TYPE)
CONNECTION TABLE FOR CONNECTOR (M TYPE)
CONNECTION TABLE FOR CONNECTOR (S TYPE)
CONNECTION TABLE FOR CONNECTOR (AMP040 TYPE)
CONNECTION TABLE FOR CONNECTOR (SWP TYPE)
CONNECTION TABLE FOR CONNECTOR (MIC TYPE)
CONNECTION TABLE FOR CONNECTOR (X TYPE)
CONNECTION TABLE FOR CONNECTOR
EXPLANATION OF THE FUNCTIONS OF THE CONTROL MECHANISM OF THE ELECTRICAL SYSTEM
DISPLAY METHOD FOR MONITOR PANEL, PUMP CONTROLLER AND ENGINE THROTTLE CONTROLLER
ACTION OF SELF-DIAGNOSTIC FUNCTION AND SYMPTONS ON MACHINE – ENGINE THROTTLE CONTROLLER SYSTEM
ACTION OF SELF-DIAGNOSTIC FUNCTION AND SYMPTOMS ON MACHINE – PUMP CONTROLLER SYSTEM
METHOD OF USING JUDGEMENT TABLE
METHOD OF USING TROUBLESHOOTING CHARTS
TROUBLESHOOTING OF ENGINE CONTROLLER SYSTEM (E-MODE)
ENGINE THROTTLE CONTROLLER OR IN ENGINE RELATED PARTS
POINTS TO REMEMBER WHEN CARRYING OUT TROUBLESHOOTING ON ENGINE THROTTLE CONTROLLER SYSTEM
E-1 [ABNORMALITY IN POWER SOURCE SYSTEM OR CONTROLLER] IS DISPLAYED (ALL LAMPS OFF)
E-2 [SHORT CIRCUIT IN GOVERNOR MOTOR] IS DISPLAYED.
E-3 [DISCONNECTION IN WIRING HARNESS OF GOVERNOR MOTOR] IS DISPLAYED
E-4 [ABNORMALITY IN GOVERNOR POTENTIOMETER] IS DISPLAYED
E-5 [ABNORMALITY IN FUEL CONTROL DIAL] IS DISPLAYED
E-6 [ABNORMALITY IN NO.2 THROTTLE SIGNAL] IS DISPLAYED
E-7 ENGINE DOES NOT START
E-7 ENGINE DOES NOT START (PC300LC)
E-7 ENGINE DOES NOT START (PC400LC)
E-8 ENGINE ROTATION IS IRREGULAR
E-9 LACK OF OUTPUT POWER (MAX. ENGINE SPEED IS TOO LOW)
E-10 ENGINE DOES NOT STOP (PC300LC)
E-10 ENGINE DOES NOT STOP (PC400LC)
E-l 1 AUTOMATIC WARMING-UP OPERATION IS DEFECTIVE
TROUBLESHOOTING OF PUMP SYSTEM (C MODE)
CHART FOR DISTINGUISHING IF FAILURE IS IN PUMP CONTROLLER OR IN HYDRAULIC RELATED PARTS
C-1 [OFF] SELF-DIAGNOSTIC DISPLAY OF CONTROLLER DOES NOT LIGHT UP
C-2 [SHORT CIRCUIT IN 2-STAGE RELIEF SOLENOID VALVE SYSTEM] IS DISPLAYED
C-3 [SHORT CIRCUIT IN ARM HALF FLOW SOLENOID VALVE SYSTEM] IS DISPLAYED
C-4 [SHORT CIRCUIT IN SWING BRAKE SOLENOID VALVE SYSTEM] IS DISPLAYED
C-5 [SHORT CIRCUIT IN TRAVEL SPEED SOLENOID VALVE SYSTEM] IS DISPLAYED
C-6 [SHORT CIRCUIT IN CO CANCEL SOLENOID VALVE SYSTEM] IS DISPLAYED
C-7 [SHORT CIRCUIT IN TVC SOLENOID SYSTEM (1)] IS DISPLAYED
C-8 [SHORT CIRCUIT IN TVC SOLENOID VALVE SYSTEM (2)] IS DISPLAYED
C-9 [DISCONNECTION IN 2-STAGE RELIEF SOLENOID VALVE SYSTEM] IS DISPLAYED
C-10 [DISCONNECTION IN ARM HALF FLOW SOLENOID VALVE SYSTEM] IS DISPLAYED
C-11 [DISCONNECTION IN SWING BRAKE SOLENOID VALVE SYSTEM] IS DISPLAYED
C-12 [DISCONNECTION IN TRAVEL SPEED SOLENOID VALVE SYSTEM] IS DISPLAYED
C-13 [DISCONNECTION IN CO CANCEL SOLENOID VALVE SYSTEM] IS DISPLAYED
C-14 [DISCONNECTION IN TVC SOLENOID VALVE SYSTEM] IS DISPLAYED
C-15 [ABNORMALITY IN NO.2 THROTTLE SIGNAL SYSTEM] IS DISPLAYED
C-16 [ ABNORMALITY IN THROTTLE SIGNAL SYSTEM] IS DISPLAYED
C-17 [ABNORMALITY IN FRONT PUMP PRESSURE SENSOR SIGNAL SYSTEM] IS DISPLAYED
C-18 [ABNORMALITY IN REAR PUMP PRESSURE SENSOR SIGNAL SYSTEM] IS DISPLAYED
C-19 [ABNORMALITY IN PRESSURE SENSOR POWER SOURCE SYSTEM] IS DISPLAYED
C-20 [ABNORMALITY IN ENGINE SPEED SENSOR SYSTEM] IS DISPLAYED
C-21 [ABNORMALITY IN AUTO-DECELERATION SIGNAL OUTPUT SYSTEM] IS DISPLAYED
C-22 [ABNORMALITY IN OVERHEAT SIGNAL SYSTEM] IS DISPLAYED
C-23 [CONTROLLER ABNORMAL SYSTEM] IS DISPLAYED
TROUBLESHOOTING OF PUMP CONTROLLER INPUT SIGNAL SYSTEM (F MODE)
F-1 PUMP CONTROLLER MONITOR DOES NOT DISPLAY [WORK EQUIPMENT • SWING OIL PRESSURE SWITCH]
F-2 PUMP CONTROLLER MONITOR DOES NOT DISPLAY [TRAVEL OIL PRESSURE SWITCH]
F-3 PUMP CONTROLLER MONITOR DOES NOT DISPLAY [SWING LOCK SWITCH]
F-4 PUMP CONTROLLER MONITOR DOES NOT DISPLAY [TRAVEL SPEED SWITCH]
F-5 PUMP CONTROLLER MONITOR DOES NOT DISPLAY [AUTO-DECELERATION SWITCH]
F-6 PUMP CONTROLLER MONITOR DOES NOT DISPLAY [POWER MAXIMIZING SWITCH]
F-7 PUMP CONTROLLER MONITOR DOES NOT DISPLAY [DECIMAL POINT OF ENGINE SPEED SENSOR]
F-8 PUMP CONTROLLER WORKING MODE DISPLAY DOES NOT SWITCH
F-9 PUMP CONTROLLER POWER SET DISPLAY DOES NOT SWITCH
TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (H-MODE)
H-1 SPEEDS OF WORK EQUIPMENT, TRAVEL AND SWING ARE ALL SLOW
H-2 THERE IS EXCESSIVE DROP IN ENGINE SPEED OR ENGINE STALLS
H-3 WORK EQUIPMENT, TRAVEL AND SWING DO NOT MOVE OR SPEED IS EXTREMELY SLOW
H-4 WORK EQUIPMENT, TRAVEL AND SWING LACK POWER
H-5 POWER SET SELECTION SYSTEM DOES NOT SWITCH
H-6 ABNORMAL NOISE GENERATED (FROM AROUND PUMP)
H-7 AUTO-DECELERATION DOES NOT WORK
H-8 BOOM AND ARM SPEED IS EXTREMELY SLOW
H-9 WORK EQUIPMENT (BOOM, ARM AND BUCKET) SPEED IS SLOW
H-10 WHEN BOOM AND ARM IS OPERATED SIMULTANEOUSLY, BOOM IS SLOW
H-11 WORK EQUIPMENT (BOOM, ARM AND BUCKET) LACKS POWER
H-12 EXCESSIVE HYDRAULIC DRIFT
H-13 EXCESSIVE TIME LAG
H-14 DOES NOT ENTER F.O. MODE (HALF FLOW FUNCTION)
H-15 WHEN ARM AND SWING ARE OPERATED SIMULTANEOUSLY, ARM IS SLOW
H-16 WHEN MACHINE IS TRAVELING, IT DEVIATES NATURALLY TO ONE SIDE
H-17 EXCESSIVE DEVIATION DURING COMPOUND OPERATIONS
H-18 EXCESSIVE DEVIATION WHEN STARTING
H-I9 TRAVEL LACKS POWER (OR SPEED IS SLOW)
H-20 TRAVEL SPEED DOES NOT SWITCH
H-21 MACHINE DOES NOT MOVE (ONE SIDE ONLY)
H-22 DOES NOT SWING
H-23 SWING SPEED IS SLOW OR ACCELERATION IS POOR
H-24 EXCESSIVE OVERRUN WHEN STOPPING SWING
H-25 EXCESSIVE SHOCK WHEN STOPPING SWING
H-26 EXCESSIVE ABNORMAL NOISE WHEN STOPPING SWING
H-27 EXCESSIVE HYDRAULIC DRIFT OF SWING
H-28 WHEN OPERATED SIMULTANEOUSLY WITH ARM, SWING SPEED IS SLOW
TABLE OF FAILURE MODES AND CAUSES
TROUBLESHOOTING OF MONITOR SYSTEM (P-MODE)
P-1 MONITOR PANEL LAMPS DO NOT LIGHT UP FOR 3 SECONDS WHEN STARTING SWITCH IS TURNED ON
P-2 MONITOR PANEL LAMPS ALL LIGHT UP WHEN STARTING SWITCH IS TURNED ON BUT DO NOT GO OUT
P-3 WHEN STARTING SWITCH IS TURNED ON (ENGINE STOPPED), CHECK ITEMS FLASH (LEVELS FOR CHECK ITEMS ARE AS SPECIFIED)
P-4 WHEN STARTING SWITCH IS TURNED ON AND ENGINE IS STARTED, CHECK ITEMS FLASH
P-5 WHEN STARTING SWITCH IS TURNED ON (ENGINE STOPPED), CAUTION ITEMS FLASH
P-6 WHEN STARTING SWITCH IS TURNED ON AND ENGINE IS STARTED, CAUTION ITEMS FLASH (WHEN THERE IS NO ABNORMALITY IN CHECK ITEMS OR ENGINE)
P-7(a) WHEN STARTING SWITCH IS TURNED ON (ENGINE STOPPED), BUZZER DOES NOT SOUND FOR 1 SECOND CAUTION ITEM IS FLASHING BUT BUZZER DOES NOT SOUND
P-7(b) THERE IS NO ABNORMALITY DISPLAY ON THE MONITOR BUT THE BUZZER SOUNDS
P-8 PANEL LIGHTING OF MONITOR PANEL DOES NOT LIGHT UP (LIQUID CRYSTAL DISPLAY IS NORMAL)
P-9 COOLANT TEMPERATURE SHOWS ABNORMALITY LOW TEMPERATURE
P-10 COOLANT TEMPERATURE GAUGE GIVES NO DISPLAY (DURING OPERATION, NO LEVEL OF GAUGE IS DISPLAYED)
P-11 FUEL GAUGE ALWAYS DISPLAYS FULL
P-12 FUEL GAUGE GIVES NO DISPLAY
P-13(a) LAMPS DO NOT LIGHT UP
P-13(b) LAMPS LIGHT UP EVEN WHEN LAMP SWITCH IS NOT OPERATED
P-14(a) WIPERS DO NOT WORK
P-14(b) WIPERS WORK EVEN WHEN WIPER SWITCH IS NOT OPERATED
P-15(a) FAN DOES NOT WORK
P-15(b) FAN WORKS EVEN WHEN FAN SWITCH IS NOT OPERATED
P-16 WORKING MODE DOES NOT SWITCH
P-17 POWER SET DOES NOT SWITCH
P-18 AUTO-DECELERATION DOES NOT SWITCH (DOES NOT ENTER AUTO-DECELERATION: AUTO-DECELERATION IS NOT CANCELED)
P-19 TRAVEL SPEED DOES NOT SWITCH BETWEEN HI AND LO
P-20 WARMING-UP OPERATION IS NOT CARRIED OUT BELOW 3O”C, OR WARMING-UP OPERATION IS NOT CANCELED EVEN WHEN TEMPERATURE GOES ABOVE 30°C
P-21 EVEN WHEN SWING LOCK SWITCH IS TURNED ON (LOCK), SWING LOCK LAMP ON MONITOR PANEL DOES NOT LIGHT UP
P-22 FUEL LEVEL SENSOR SYSTEM DEFECTIVE
P-23 COOLANT TEMPERATURE SENSOR SYSTEM DEFECTIVE
P-24 ENGINE OIL LEVEL SENSOR SYSTEM DEFECTIVE
P-25 COOLANT LEVEL SENSOR SYSTEM DEFECTIVE
P-26 HYDRAULIC OIL LEVEL SENSOR SYSTEM DEFECTIVE

30 DISASSEMBLY AND ASSEMBLY
METHOD OF USING MANUAL
PRECAUTIONS WHEN CARRYING OUT OPERATION
SPECIAL TOOL LIST PC300LC
SPECIAL TOOL LIST PC400LC
WEIGHT TABLE
TIGHTENING TORQUES AND STANDARD VALUES TABLE
LUBRICANT AND COOLANT TABLE
REMOVAL OF GOVERNOR MOTOR ASSEMBLY
REMOVAL OF HYDRAULIC COOLER ASSEMBLY
INSTALLATION OF HYDRAULIC COOLER ASSEMBLY
REMOVAL OF HYDRAULIC COOLER ASSEMBLY
INSTALLATION OF HYDRAULIC COOLER ASSEMBLY
REMOVAL OF RADIATOR, HYDRAULIC OIL COOLER
INSTALLATION OF RADIATOR, HYDRAULIC OIL COOLER ASSEMBLY
REMOVAL OF ENGINE, HYDRAULIC PUMP ASSEMBLY
INSTALLATION OF ENGINE, HYDRAULIC PUMP ASSEMBLY
REMOVAL OF ENGINE, HYDRAULIC PUMP ASSEMBLY
INSTALLATION OF ENGINE, HYDRAULIC PUMP ASSEMBLY
REMOVAL OF DAMPER ASSEMBLY
INSTALLATION OF DAMPER ASSEMBLY
REMOVAL OF CENTER SWIVEL JOINT ASSEMBLY
INSTALLATION OF CENTER ASSEMBLY SWIVEL JOINT
DISASSEMBLY OF CENTER SWIVEL JOINT ASSEMBLY
ASSEMBLY OF CENTER SWIVEL JOINT ASSEMBLY
REMOVAL OF FINAL DRIVE DRIVE ASSEMBLY
INSTALLATION OF FINAL DRIVE ASSEMBLY
DISASSEMBLY OF FINAL DRIVE ASSEMBLY
ASSEMBLY OF FINAL DRIVE ASSEMBLY
DISASSEMBLY OF TRAVEL MOTOR ASSEMBLY (HMV280ADT) (HMV355ADT)
ASSEMBLY OF TRAVEL MOTOR ASSEMBLY (HMV280ADT) (HMV355ADT)
REMOVAL OF SPROCKET
INSTALLATION OF SPROCKET
REMOVAL OF SWING MOTOR ASSEMBLY
INSTALLATION OF SWING MOTOR ASSEMBLY
DISASSEMBLY OF SWING MOTOR ASSEMBLY (KMF160)
ASSEMBLY OF SWING MOTOR ASSEMBLY (KMFI 60)
REMOVAL OF SWING MACHINERY ASSEMBLY
INSTALLATION OF SWING MACHINERY ASSEMBLY
REMOVAL OF SWING MACHINERY ASSEMBLY
INSTALLATION OF SWING MACHINERY ASSEMBLY
DISASSEMBLY OF SWING MACHINERY ASSEMBLY
ASSEMBLY OF SWING MACHINERY ASSEMBLY
REMOVAL OF REVOLVING FRAME ASSEMBLY
INSTALLATION OF REVOLVING FRAME ASSEMBLY
REMOVAL OF SWING CIRCLE ASSEMBLY
INSTALLATION OF SWING CIRCLE ASSEMBLY
REMOVAL OF IDLER, RECOIL SPRING ASSEMBLY
INSTALLATION OF IDLER, RECOIL SPRING ASSEMBLY
DISASSEMBLY OF RECOIL SPRING ASSEMBLY
ASSEMBLY OF RECOIL SPRING ASSEMBLY
REMOVAL OF TRACK ROLLER ASSEMBLY
INSTALLATION OF TRACK ROLLER ASSEMBLY
REMOVAL OF CARRIER ROLLER ASSEMBLY
INSTALLATION OF CARRIER ROLLER ASSEMBLY
REMOVAL OF TRACK SHOE ASSEMBLY
INSTALLATION OF TRACK SHOE ASSEMBLY
REMOVAL OF CHARGING PUMP ASSEMBLY
INSTALLATION OF CHARGING PUMP ASSEMBLY
REMOVAL OF HYDRAULIC PUMP ASSEMBLY
INSTALLATION OF HYDRAULIC PUMP ASSEMBLY
REMOVAL OF HYDRAULIC PUMP ASSEMBLY
DISASSEMBLY OF HYDRAULIC PUMP ASSEMBLY (HPV160+160)
ASSEMBLY OF HYDRAULIC PUMP ASSEMBLY (HPV160+160)
CHECKING CONTACT BETWEEN CYLINDER BLOCKAND VALVE PLATE, AND ROCKER CAM AND CRADLE
REMOVAL OF HYDRAULIC PUMP INPUT SHAFT OIL SEAL
INSTALLATION OF HYDRAULIC PUMP INPUT SHAFT OIL SEAL
REMOVAL OF CONTROL VALVE ASSEMBLY
INSTALLATION OF CONTROL VALVE ASSEMBLY
DISASSEMBLY OF CONTROL VALVE ASSEMBLY
ASSEMBLY OF CONTROL VALVE ASSEMBLY
REMOVAL OF MAIN RELIEF VALVE ASSEMBLY
INSTALLATION OF MAIN RELIEF VALVE ASSEMBLY
DISASSEMBLY OF MAIN RELIEF VALVE ASSEMBLY
ASSEMBLY OF MAIN RELIEF VALVE ASSEMBLY
REMOVAL OF TVC VALVE ASSEMBLY
INSTALLATION OF TVC VALVE ASSEMBLY
REMOVAL OF CO•NC VALVE ASSEMBLY
INSTALLATION OF CO•NC VALVE ASSEMBLY
REMOVAL OF SERVO VALVE ASSEMBLY
INSTALLATION OF SERVO VALVE ASSEMBLY
REMOVAL OF WORK EQUIPMENT PPC VALVE ASSEMBLY
INSTALLATION OF WORK EQUIPMENT PPC VALVE ASSEMBLY
DISASSEMBLY OF WORK EQUIPMENT PPC VALVE ASSEMBLY
ASSEMBLY OF WORK EQUIPMENT PPC VALVE ASSEMBLY
REMOVAL OF TRAVEL PPC VALVE ASSEMBLY
INSTALLATION OF TRAVEL PPC VALVE ASSEMBLY
DISASSEMBLY OF TRAVEL PPC VALVE ASSEMBLY
ASSEMBLY OF TRAVEL PPC VALVE ASSEMBLY
REMOVAL OF BOOM HOLDING VALVE ASSEMBLY
INSTALLATION OF BOOM HOLDING VALVE ASSEMBLY
DISASSEMBLY OF BOOM HOLDING VALVE ASSEMBLY
ASSEMBLY OF BOOM HOLDING VALVE ASSEMBLY
REMOVAL OF PPC SHUTTLE VALVE ASSEMBLY
INSTALLATION OF PPC SHUTTLE VALVE ASSEMBLY
REMOVAL OF BOOM CYLINDER ASSEMBLY
INSTALLATION OF BOOM CYLINDER ASSEMBLY
REMOVAL OF ARM CYLINDER ASSEMBLY
INSTALLATION OF ARM CYLINDER ASSEMBLY
REMOVAL OF BUCKET CYLINDER ASSEMBLY
INSTALLATION OF BUCKET CYLINDER ASSEMBLY
DISASSEMBLY OF HYDRAULIC CYLINDER ASSEMBLY
ASSEMBLY OF HYDRAULIC CYLINDER ASSEMBLY
REMOVAL OF WORK EQUIPMENT ASSEMBLY
INSTALLATION OF WORK EQUIPMENT ASSEMBLY
REMOVAL OF BUCKET ASSEMBLY
INSTALLATION OF BUCKET ASSEMBLY
REMOVAL OF ARM ASSEMBLY
INSTALLATION OF ARM ASSEMBLY
REMOVAL OF ARM, BUCKET ASSEMBLY
INSTALLATION OF ARM, BUCKET ASSEMBLY
REMOVAL OF BOOM ASSEMBLY
INSTALLATION OF BOOM ASSEMBLY
REMOVAL OF OPERATOR’S CAB ASSEMBLY
INSTALLATION OF OPERATOR’S CAB ASSEMBLY
REMOVAL OF COUNTERWEIGHT
INSTALLATION OF COUNTERWEIGHT
REMOVAL OF ENGINE THROTTLE CONTROLLER
INSTALLATION OF ENGINE THROTTLE CONTROLLER
REMOVAL OF PUMP CONTROLLER ASSEMBLY
INSTALLATION OF PUMP CONTROLLER ASSEMBLY
REMOVAL OF MONITOR PANEL ASSEMBLY
INSTALLATION OF MONITOR PANEL ASSEMBLY
PROCEDURE FOR FLUSHING HYDRAULIC CIRCUIT
PROCEDURE FOR FLUSHING HYDRAULIC CIRCUIT

40 MAINTENANCE STANDARD
FINAL DRIVE PC300LC
FINAL DRIVE PC400LC
SWING MACHINERY PC300LC
SWING MACHINERY PC400LC
SWING CIRCLE PC300LC
SWING CIRCLE PC400LC
TRACK FRAME AND RECOIL SPRING PC300LC
TRACK FRAME AND RECOIL SPRING PC400LC
IDLER PC300LC
IDLER PC400LC
TRACK ROLLER PC300LC
TRACK ROLLER PC400LC
CARRIER ROLLER
TRACK SHOE PC300LC
TRACK SHOE PC400LC
CHARGING PUMP AND RELIEF VALVE
CONTROL VALVE
TRAVEL SHUTTLE VALVE
SWING MOTOR
TRAVEL MOTOR PC300LC
TRAVEL MOTOR PC400LC
PPC VALVE, FOR WORK EQUIPMENT AND SWING
PPC VALVE, FOR TRAVEL
PPC SHUTTLE VALVE
BOOM HOLDING VALVE
HYDRAULIC CYLINDER PC300LC
HYDRAULIC CYLINDER PC400LC
WORK EQUIPMENT PC300LC
WORK EQUIPMENT PC400LC

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