Komatsu PC300LC-6 & PC300HD-6 Hydraulic Excavator Shop Manual (A83001 and up) – CEBM002901

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Komatsu PC300LC-6 & PC300HD-6 Hydraulic Excavator (SN: A83001 and up) Shop Manual – CEBM002901

This complete service repair workshop manual PDF download for the Komatsu PC300LC-6 & PC300HD-6 Hydraulic Excavator (SN: A83001 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 PC300LC-6 – SN: A83001 and up
Komatsu PC300HD-6 – SN: A83001 and up

TABLE OF CONTENTS :

00 FORWARD
01 GENERAL
10 STRUCTURE AND FUNCTION
20 TESTING, ADJUSTING AND TROUBLESHOOTING
30 DISASSEMBLY AND ASSEMBLY
40 MAINTENANCE STANDARD
90 OTHER

MANUAL SPECIFICATION :

File Format : PDF
Language : English
Printable : Yes
Searchable : Yes
Bookmarked : Yes
Product Code : CEBM002901
Total Pages : 786

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.

Instant Download means there is NO shipping costs or waiting for a CD or paper manual to arrive in the mail! You will receive this manual TODAY via Instant Download on completion of payment via our secure payment processor. We accept ALL major credit/debit cards/paypal.

00 FORWARD
SAFETY
GENERAL
HOW TO READ THE SHOP MANUAL
HOISTING INSTRUCTIONS
COATING MATERIALS
STANDARD TIGHTENING TORQUE
ELECTRIC WIRE CODE
CONVERSION TABLES
METHOD OF USING THE CONVERSION TABLE

01 GENERAL
SPECIFICATION DRAWINGS
SPECIFICATIONS
WEIGHT TABLE
FUEL COLLANT 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 SHOE
HYDRAULIC PIPING DRAWING
HYDRAULIC CIRCUIT DIAGRAM
HYDRAULIC TANK AND FILTER
HYDRAULIC PUMP
CONTROL VALVE
SELF REDUCING PRESURE VALVE
SUCTION SAFETY VALVE
CLSS
SWING MOTOR
CENTER SWIVEL JOINT
TRAVEL MOTOR
VALVE CONTROL
WORK EQUIPMENT PPC VALVE
TRAVEL 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
ELECTRICAL WIRING SCHEMATIC
ELECTRICAL WIRING DIAGRAM
ENGINE CONTROL
ELECTRONIC CONTROL SYSTEM
MACHINE MONITOR CONTROL

20 TESTING AND ADJUSTING
TESTING AND ADJUSTING
STANDARD VALUE TABLE FOR ENGINE
STANDARD VALUE TABLE FOR CHASSIS RELATED PARTS
STANDARD VALUE TABLE FOR ELECTRICAL PARTS
TOOLS FOR TESTING, ADJUSTING AND TROUBLESHOOTING
MEASURING ENGINE SPEED
INTAKE MAIFOLD PRESSURE
INTAKE AIR RESTRICTION
LUBRICATING OIL PRESSURE
FUEL [FILTER] INLET RESTRICTION
BLOW BY PRESSURE
ENGINE BACK PRESSURE
COOLANT TEMPERATURE
VALVE CLEARANCE
MEASURING EXHAUST COLOR
GOVERNOR MOTOR LEVER STROKE
WORK EQUIPMENT, SWING, TRAVEL CIRCUIT
TVC VALVE OUTPUT PRESSURE
LS VALVE OUTPUT PRESSURE
LS DIFFERENTIAL PRESURE
CONTROL CIRCUIT OIL PRESSURE
SOLENOID VALVE OUTPUT PRESSURE
PPC VALVE OUTPUT PRESSURE AND PPC SHUTTLE VALVE
WORK EQUIPMENT, SWING PPC VALVE
TRAVEL DEVIATION
HYDRAULIC DRIFT OF WORK EQUIPMENT
MEASURING OIL LEAKAGE
RELEASING REMAINING PRESSURE
SWING CIRCLE BEARING
WEAR OF SPROCKET
TRACK SHOE TENSION
BLEEDING AIR
TROUBLESHOOTING
TESTING AND ADJUSTMENT
TOOLS FOR TESTIN, ADJUSTING AND TROUBLESHOOTING
MEASURING ENGINE SPEED
INTAKE MANIFOLD PRESSURE
INTAKE AIR RESTRICTION
LUBRICATING OIL PRESSURE
FUEL [FILTER] INLET RESTRICTION
BLOW BY PRESSURE
ENGINE BACK PRESSURE
COOLANT TEMPERATURE
VALVE CLEARANCE
MEASURING EXHAUST COLOR
GOVERNOR MOTOR LEVER STROKE
WORK EQUIPMENT, SWING, TRAVEL CIRCUIT
TVC VALVE OUTPUT PRESSURE
LS VALVE OUTPUT PRESSURE AN DLS DIFFERENTIAL PRESSURE
CONTROL CIRCUIT OIL PRESSURE
SOLENOID VALVE OUPUT PRESSURE
PPC VALVE OUTPUT PRESSURE AND PPC 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
BLEEDING AIR
TROUBLESHOOTING
POINTS TO REMEMBER WHEN TROUBLESHOOTING
SEQUENCE OF EVENTS IN TROUBLESHOOTING
POINTS TO REMEMBER WHEN CARRYING OUT MAINTENANCE
CHECKS BEFORE TROUBLSHOOTING
CONNECTOR TYPES AND MOUNTING LOCATIONS
CONNECTION TABLE FOR CONNECTOR PIN NUMBERS
EXPLANATION OF CONTROL MECHANISM FOR ELECTRICAL SYSTEM
DISPLAY METHOD AND SPECIAL FUNCTION OF MONITORING PANEL
METHOD OF USING JUDGEMENT TABLE
METHOD OF USING TROUBLSHOOTING CHARTS
DETAILS OF TROUBLESHOOTING AND TROUBLESHOOTING PROCEDURE
SERVICE CODE TABLE
TROUBLESHOOTING OF COMMUNICATION ABNORMALITY SYSTEM N MODE
N-1 [E218] COMMUNICATION ABNORMALITY
TROUBLESHOOTING OF GOVERNOR, PUMP CONTROLLER GOVEROR CONTROL SYSTEM E MODE
POINTS TO REMEMBER
ACTIONS TAKEN
JUDGEMENT TABLE
ELECTRICAL CIRCUIT DIAGRAM FOR E MODE SYSTEM
E-1 ABNORMAILITY IN GOVERNOR, PUMP CONTROLLER POWER SOURCE, CONTROLLER LED IS OFF
E-2 [E308] ABNORMALITY IN FUEL CONTROL DIAL INPUT VALUE IS DISPLAYED
E-3 [E317] ABNORMALITY, DISCONNECTION IN MOTOR DRIVE SYSTEM IS DISPLAYED
E-4 [E318] ABNORMALITY, SHORT CIRCUIT IN MOTOR DRIVE SYSTEM IS DISPLAYED
E-5 [E306] ABNORMALITY IN FEEDBACK POTENTIOMETER SYSTEM IS DISPLAYED
E-6 [E315] ABNORMALITY, SHORT CIRCUIT IN BATTERY RELAY OUTPUT SYSTEM IS DISPLAYED
E-7 [E316] ABNORMALITY, STEP OUT IN MOTOR DISPLAYED
E-8 ENGINE DOES NOT START
E-9 ENGINE SPEED IS IRREGULAR
E-10 LACK OF OUTPUT, ENGINE HIGH IDLE SPEED IS TO LOW
E-11 ENGINE DOES NOT STOP
E-12 DEFECTIVE OPERATION OF BATTERY RELAY SYSTEM, ENGINE DOES NOT STOP
TROUBLESHOOTING OF ENGINE SYSTEM S MODE
METHOD OF USING CHARTS
S-1 STARTING PERFORMANCE IS POOR, STARTING ALWAYS TAKES TIME
S-2 ENGINE DOES NOT START
S-3 ENGINE DOES NOT PICK UP SMOOTHLY, FOLLOW UP IS POOR
S-4 ENGINE STOPS DURING OPERATION
S-5 ENGINE DOES NOT ROTATE SMOOTHLY, HUNTING
S-6 ENGINE LACKS OUTPUT, NO POWER
S-7 ENGINE SMOKE IS BLACK, INCOPLETE COMBUSTION
S-8 OIL CONSUMPTIONIS EXCESSIVE, OR EXHAUST SMOKE IS BLUE
S-9 OIL BECOMES CONTAMINATED QUICKLY
S-1O FUEL CONSUMPTION IS EXCESSIVE
S-11 OIL IS IN COOLANT, OR COOLANT SPURTS BACK, OR COOLANT LEVEL GOES DOWN
S-12 OIL PRESSURE CAUTION LAMP LIGHTS UP, DROP IN OIL PRESSURE
S-13 OIL LEVEL RISES; COOLANT, FUEL IN OIL
S-14 COOLANT TEMPERATURE BECOMES TOO HIGH; OVERHEATING
S-15 ABNORMAL NOISE IS MADE
S-16 VIBRATION IS EXCESSIVE
TROUBLESHOOTING OF GOVERNOR, PUMP CONTROLLER, PUMP CONTROL SYSTEM C MODE
POINTS TO REMEMBER
ACTIONS TAKEN BY CONTROLLER
JUDGEMENT TABLE
ELECTRICAL CIRCUIT DIAGRAM FOR C MODE
C-1 ABNORMALITY IN CONTROLLER POWER SOURCE SYSTEM, CONTROLLER LED IS OFF
C-2 [E232] SHORT CIRCUIT IN FRONT PUMP TVC SOLENOID SYSTEM IS DISPLAYED
C-3 [E233] DISCONNECTION IN FRONT PUMP TVC SOLENOID IS DISPLAYED
C-4 [E236] SHORT CIRCUIT IN REAR PUMP TVC SOLENOID SYSTEM IS DISPLAYED
C-5 [E237] DISCONNECTION IN REAR PUMP TVC SOLENOID SYSTEM IS DISPLAYED
C-6 [E207] SHORT CIRCUIT IN LS SELECT SOLENOID SYSTEM IS DISPLAYED
C-7 [E208] DISCONNECTION IN ACTIVE MODE, BOOM, SOLENOID SYSTEM IS DISPLAYED
C-8 [E203] SHORT CIRCUIT IN SWING BRAKE SOLENOID SYSTEM IS DISPLAYED
C-9 [E213] DISCONNECTION IN SWING BRAKE SOLENOID SYSTEM IS DISPLAYED
C-10 [E204] SHORT CIRCUIT IN PUMP MERGE DIVIDER SOLENOID SYSTEM IS DISPLAYED
C-11 [E214] DISCONNECTION IN PUMP MERGE DIVIDER SOLENOID SYSTEM IS DISPLAYED
C-12 [E206] SHORT CIRCUIT IN TRAVEL SPED SOLENOIDSYSTEM IS DISPLAYED
C-13 [E216] DISCONNECTION IN TRAVEL SPEED SELECTOR SOLENOID SYSTEM IS DISPLAYED
C-14 [E217] SHORT CIRCUIT IN ACTIVE MODE, SWING, SOLENOID SYSTEM IS DISPLAED
C-15 [E235] DISCONNECTION IN ACTIVE MODE, SWING, SOLENOID SYSTEM IS DISPLAYED
C-16 [E217] MODEL SELECTION INPUT ERROR IS DISPLAYED
C-17 [E222] SHORT CIRCUIT IN LS-EPC SOLENOID SYTEM IS DISPLAYED
C-18 [E223] DISCONNECTION IN LS-EPC SOLENOID SYSTEM IS DISPLAYED
C-19 [E224] ABNORMALITY IN FRONT PUMP PRESSURE SENSOR SYSTEM IS DISPLAYED
C-20 [E225] ABNORMALITY IN REAR PUMP PRESSURE SENSOR SYSTEM IS DISPLAYED
C-21 [E226] ABNORMALITY IN PRESSURE SENSOR POWER SOURCE SYSTEM IS DISPLAYED
C-22 [E227] ABNORMALITY IN ENGINE SPEED SENSOR SYSTEM IS DISPLAYED
C-23 ABNORMALITY IN MACHINE PUSH UP SOLENOID SYSTEM , NO SERVICE CODE DISPLAYED
TROUBLESHOOTING OF GOVERNOR, PUMP CONTROLLER, INPUT SIGNAL SYSTEM F MODE
ELECTRIC CIRCUIT DIAGRAM FOR F MODE
F-1 BIT PATTERN 20-[1] SWING OIL PRESSURE SWITCH DOES NOT LIGHT UP
F-2 BIT PATTERN 20-[2] TRAVEL OIL PRESSURE SWITCH DOES NOT LIGHT UP
F-3 BIT PATTERN 20-[3] BOOM LOWER OIL PRESSURE SWITCH DOES NOT LIGHT UP
F-4 BIT PATTERN 20-[4] BOOM RAISE OIL PRESSURE SWITCH DOES NOT LIGHT UP
F-5 BIT PATTERN 20-[5] ARM IN OIL PRESSURE SWITCH DOES NOT LIGHT UP
F-6 BIT PATTERN 20-[6] ARM OUT OIL PRESSURE SWITCH DOES NOT LIGHT UP
F-7 BIT PATTERN 21-[1] BUCKET CURL OIL PRESSURE SWITCH DOES NOT LIGHT UP
F-8 BIT PATTERN 21-[2] BUCKET DUMP OIL PRESSURE SWITCH DOES NOT LIGHT UP
F-9 BIT PATTERN 21-[3] SWING LOCK SWITCH DOES NOT LIGHT UP
F-10 BIT PATTERN 22-[5] MODE CONNECTION DOES NOT LIGHT UP
F-11 BIT PATTERN 22-[6] LEFT KNOB SWITCH DOES NOT LIGHT UP
TROUBLESHOOTING OF MACHINE MECHANICAL SYSTEM H MODE
PUMP MERGE DIVIDER LOGIC
SOLENOID ACTUATION TABLE
TABLE OF FAILURE MODES AND CAUSES
H-1 SPEEDS OF ALL WORK EQUIPMENT, SWING, TRAVEL ARE SLOW OR LACK POWER
H-2 THERE IS EXCESSIVE DROP IN ENGINE SPEED, OR ENGINE STALLS
H-3 NO WORK EQUIPMENT, TRAVEL, SWING MOVEMENT
H-4 ABNORMAL NOISE GENERATED AROUND PUMP
H-5 AUTO DECELERATION DOES NOT WORK, WHEN PPC SHUTTLE VALVE IS CAUSE
H-6 FINE CONTROL ABILITY IS POOR OR RESPONSE IS POOR
H-7 BOOM IS SLOW OR LACKS POWER
H-8 ARM IS SLOW OR LACKS POWER
H-9 BUCKET IS SLOW OR LACKS POWER
H-10 WORK EQUIPMENT; BOOM, ARM, BUCKET, DOES NOT MOVE, BUT TRAVEL AND SWING ARE NORMAL
H-11 EXCESSIVE HYDRAULIC DRIFT, BOOM, ARM, BUCKET
H-12 EXCESSIVE TIME LAG, ENGINE AT LOW IDLING
H-13 OTHER EQUIPMENT MOVES WHEN SINGLE CIRCUIT IS RELIEVED
H-14 IN L/O, F/O MODES, WORK EQUIPMENT SPEED IS FASTER THAN SPECIFIED SPEE
H-15 MALFUNCTION OF MACHINE PUSH UP FUNCTION
H-16 IN COMPOUND OPERATIONS, WORK EQUIPMENT WITH LARGER LOAD IS SLOW
H-17 IN SWING PLUS BOOM RAISE, BOOM RAISE IS SLOW
H-18 IN SWING PLUS ARM, ARM IS SLOW
H-19 IN SWING PLUS TRAVEL, TRAVEL SPEED DROPS EXCESSIVELY
H-20 TRAVEL DEVIATION
H-21 TRAVEL SPEED IS LOW
H-22 STEERING DOES NOT TURN EASILY OR LACKS POWER
H-23 TRAVEL SPEED DOES NOT SWITCH OR IS FASTER THAN SPECIFIED SPEED
H-24 TRAVEL DOES NOT MOVE, ONE SIDE ONLY
H-25 DOES NOT SWING
H-26 SWING ACCELERATION IS POOR OR SWING SPEED IS SLOW
H-27 EXCESSIVE OVERRUN WHEN STOPPING SWING
H-28 EXCESSIVE SHOCK WHEN STOPPING SWING, ONE DIRECTION ONLY
H-29 EXCESSIVE ABNORMAL NOISE WHEN STOPPING SWING
H-30 EXCESSIVE HYDRAULIC DRIFT OF SWING
H-31 SWING SPEED IS FASTER THAN SPECIFIED SWING SPEED
TROUBLESHOOTING OF MACHINE MONITOR SYSTEM M MODE
ACTIONS TAKEN BY MONITOR PANEL WHEN ABNORMALITY OCCURS AND PROBLEMS ON MACHINE
ELECTRIC CIRCUIT DIAGRAM FOR M MODE
M-1 [E101] ABNORMALITY IN ERROR DATA IS DISPLAYED
[E101] ERROR IN CLOCK DATA IS DISPLAYED
M-2 [E103] SHORT CIRCUIT IN BUZZER OUTPUT OR 24V WIRING HARNESS CONTACKT WITH BUZZERNESS IS DISPLAYED
M3 [E104] AIR CLEANER RESTRICTION DETECTED IS DISPLAYED
M4 [E106] DROP IN ENGINE OIL HI PRESSURE DETECTED IS DISPLAYED
M5 [E108] ENGINE COOLANT TEMPERATURE 1O5 DEGREES CELS DETECTED IS DISPLAYEDIUS
M-6 WHEN START SWITCH IS TURNED ON, NO LAMPS ON MONITOR PANEL LIGHT UP FOR THREE SECONDS
M-7 WHEN START SWITCH IS TURNED ON, MONITOR PANEL LAMPS ALL STAY ILLUMINATED AND DO NOT GO OUT
M-8 WHEN START SWITCH IS TURNED ON, ITEMS ILLUMINATED ON MONITOR PANEL ARE DIFFERENT FROM ACTUAL MACHINE
M-9 WHEN START SWITCH IS TURNED ON, ENGINE STOPPED, BASIC CHECK ITEMS FLASH
M-10 PREHEATING IS NOT USED, BUT MONITOR PANEL LIGHTS UP
M-11 WHEN START SWITCH IS TURNED ON AND ENGINE IS STARTED, BASIC CHECK ITEMS FLASH
M-12 WHEN START SWITCH IS TURNED ON, ENG. SPEED, CAUTION ITEMS, EMERGENCY ITEMS FLASH. BATTERY ENG. OIL PRESSURE LAMPS DO NOT
M-13 WHEN START SWITCH IS TURNED ON AND ENG. IS STARTED, CAUTION ITEMS, EMERGENCY ITEMS FLASH, WHEN THERE IS NO ABNORMALTY IN E
M-14 WHEN START SWITCH IS TURNED ON, ENG. STOPPED, BUZZER DOES NOT SOUND FOR ONE SECOND, CAUTION ITEMS FLASH BUT DO NOT SOUND
M-15 NO ABNORMALITY IS DISPLAYED ON MONITOR PANEL BUT BUZZER SOUNDS
M-16 NIGHT LIGHT ON MONITOR PANEL DOES NOT LIGHT UP, LIQUID CRYSTAL DISPLAY IS NORMAL
M-17 COOLANT TEMPERATURE GAUGE DOES NOT RISE
M-18 COOLANT TEMPERATURE GAUGE DOES NOT GIVE ANY DISPLAY, NO GUAGE LAMPS LIGH UP DURING OPERATION
M-19 FUEL LEVEL GUAGE ALWAYS DISPLAYS FULL
M-20 FUEL LEVEL GUAGE DOES NOT GIVE DISPLAY
M-21 SWING LOCK SWITCH IS TURNED ON, BUT MONITOR PANEL DOES NOT LIGHT
M-22 SWING PROLIX SWITCH IS TURNED ON, BUT MONITOR PANEL DOES NOT FLASH
M-23 SERVICE METER DOES NOT ADVANCE WHIL ENGINE IS RUNNING
M-24 WHEN START SWITCH IS AT OFF AND TIME SWITCH IS PRESSED, TIME AND SERVICE METER ARE NOT DISPLAYED
M-25 DEFECTIVE FUEL LEVEL SENSOR SYSTEM
M-26 DEFECTIVE COOLANT TEMPERATURE SENSOR SYSTEM
M-27 DEFECTIVE ENGINE OIL LEVEL SENSOR SYSTEM
M-28 DEFECTIVE COOLANT LEVEL SENSOR SYSTEM
M-29 DEFECTIVE HYDRAULIC OIL LEVEL SENSOR SYSTEM
M-30 WIPER DOES NOT WORK OR SWITCH IS NOT BEING USED BUT WIPER IS ACTUATED [INCLUDE E112, E113]
M-31 WIPER DOES NOT WORK OR SWITCH IS NOT BEING USED BUT WASHER MOTOR IS ACTUATED [INCLUDEE114]

30 DISASSEMBLY AND ASSEMBLY
METHOD OF USING MANUAL
PRECAUTIONS
SPECIAL TOOL LIST
SKETCHES OF SPECIAL TOOLS
ENGINE COMPONENTS
GOVERNOR MOTOR
OIL COOLER
RADIATOR, OIL COOLER
ENGINE, MAIN PUMP
DAMPER
FUEL TANK
CENTER SWIVEL JOINT
FINAL DRIVE – PC300LC-6
FINAL DRIVE – PC300HD-6
TRAVEL MOTOR – PC300LC-6
TRAVEL MOTOR – PC300HD-6
SPROCKET
SWING MOTOR
SWING MACHINERY
REVOLVING FRAME
SWING CIRCLE
IDLER AND RECOIL SPRING- PC300LC-6
IDLER AND RECOIL SPRING – PC300HD-6
IDLER – PC300LC-6
IDLER – PC300HD-6
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
WORK EQUIPMENT
BUCKET
ARM
BUCKET AND ARM
BOOM
OPERATORS CAB
COUNTERWEIGHT
COMPRESSOR
CONDENSER
RECEIVER TANK
AIR CONDITIONER UNIT
GOVERNOR, PUMP CONTROLLER
MONITOR PANEL
CONTROL STAND CASE

40 MAINTENANCE STANDARD
ENGINE MOUNT
SWING MACHINERY
SWING CIRCLE
FINAL DRIVE – PC300LC-6
FINAL DRIVE – PC300HC-6
TRACK FRAME AND RECOIL SPRING
IDLER – PC300LC-6
IDLER – PC300HD-6
CARRIER ROLLER
TRACK ROLLER – PC300LC-6
TRACK ROLLER – PC300HD-6
TRACK SHOE
HYDRAULIC PUMP
CONTROL VALVE
SELF REDUCING PRESSURE VALVE
SUCTION SAFETY VALVE
SWING MOTOR
TRAVEL MOTOR – PC300LC-6
TRAVEL MOTOR – PC300HD-6
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 OTHER
FOLDOUT 1 HYDRAULIC SCHEMATIC
FOLDOUT 2 ELECTRICAL WIRING SCHEMATIC (2/3)
FOLDOUT 3 ELECTRICAL WIRING SHCEMATIC (3/3)

 

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Komatsu PC300LC-6 & PC300HD-6 Hydraulic Excavator Shop Manual (A83001 and up) – CEBM002901.pdf

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