Komatsu PC75UU-3 Hydraulic Excavator Shop Manual (15001 and up) – SEBM016404

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Komatsu PC75UU-3 Hydraulic Excavator Service Repair Workshop Manual (15001 and up) – SEBM016404

This Complete Service Repair Workshop Manual PDF Download for the Komatsu PC75UU-3 Hydraulic Excavator (15001 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 PC75UU-3 – S/N: 15001 and up

TABLE OF CONTENTS :

01 GENERAL
10 STRUCTURE AND FUNCTION
20 TESTING AND ADJUSTING
30 DISASSEMBLY AND ASSEMBLY
40 MAINTENANCE STANDARD
90 OTHERS

MANUAL SPECIFICATION :

File Format : PDF
Language : English
Printable : Yes
Searchable : Yes
Bookmarked : Yes
Product Code : SEBM016404
Total Pages : 631

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

01 GENERAL
GENERAL ASSEMBLY DRAWING
WORK EQUIPMENT RANGE DRAWING
SPECIFICATIONS
WEIGHT TABLE
LIST OF LUBRICANT AND WATER

10 STRUCTURE AND FUNCTION
RADIATOR,OIL COOER
PTO (COUPLING)
POWER TRAIN
SWING MACHINERY
SWING CIRCLE
TRACK FRAME
HYDRAULIC EQUIPMENT LAYOUT
HYDRAULIC TANK
HYDRAULIC PUMP
CONTROL VALVE
SELF-PRESSURE REDUCING VALVE
CLSS
SWING MOTOR
CENTER SWIVEL JOINT
TRAVEL MOTOR
VALVE CONTROL
PPC VALVE
SOLENOID VALVE
SOLENOID VALVE,EPC VALVE
WORK EQUIPMENT
AIR CONDITIONER PIPING
ELECTRIC WIRING DIAGRAM
ENGINE CONTROL
FOUR SYSTEM (4 SYSTEM)
ELECTRICAL CONTROL SYSTEM
MONITOR SYSTEM

20 TESTING AND ADJUSTING
STANDARD VALUE TABLE FOR ENGINE RELATED PARTS
STANDARD VALUE TABLE FOR CHASSIS RELATED PARTS
STANDARD VALUE TABLE FOR ELECTRICAL RELATED PARTS
TESTING AND ADJUSTING
TOOLS FOR TESTING, ADJUSTING, AND TROUBLESHOOTING
MEASURING ENGINE SPEED
MEASURING EXHAUST COLOR
ADJUSTING VALVE CLEARANCE
MEASURING COMPRESSION PRESSURE
MEASURING BLOW-BY PRESSURE
TESTING AND ADJUSTING FUEL INJECTION TIMING
MEASURING ENGINE OIL PRESSURE
ADJUSTING ENGINE STOP SOLENOID LINKAGE TESTING
ADTUSTING FUEL CONTROL LINKAGE
TESTING AND ADJUSTING HYDRAULIC PRESSURE IN WORK EQUIPMENT, SWING, TRAVEL CIRCUIT
MEASURING LS DIFFERENTIAL PRESSURE AND ADJUSTING LS VALVE
ADJUSTING PC VALVE
MEASURING CONTROL CIRCUIT OIL PRESSURE (REDUCED PUMP DISCHARGE SELF-PRESSURE)
MEASURING PPC VALVE OUTPUT PRESSURE
TESTING SOLENOID VALVE OUTPUT PRESSURE
ADJUSTING WORK EQUIPMENT, SWING PPC VALVE
TESTING TRAVEL DEVIATION
TESTING LOCATIONS CAUSING HYDRAULIC DRIFT OF WORK EQUIPMENT
MEASURING SWING, TRAVEL MOTOR OIL LEAKAGE
RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT
TESTING CLEARANCE OF SWING CIRCLE BEARING
TESTING WEAR OF SPROCKET
TESTING AND ADJUSTING TRACK SHOE TENSION
BLEEDING AIR
PROCEDURE FOR RESETTING ELECTRICAL SYSTEM INPUT/ OUTPUT SIGNALS AND CHECKING OPERATION
PROCEDURE FOR ADJUSTMENT WHEN INSTALLING LONG ARM, SLIDE ARM (TELESCOPIC ARM)
PROCEDURE FOR REPLACING POTENTIOMETER
PROCEDURE FOR CHECKING DIODE
TROUBLESHOOTING
POINTS TO REMEMBER WHEN TROUBLESHOOTING
SEQUENCE OF EVENTS IN TROUBLESHOOTING
POINTS TO REMEMBER WHEN CARRYING OUT MAINTENANCE
CHECKS BEFORE TROUBLESHOOTING
CONNECTOR TYPES AND MOUNTING LOCATIONS
CONNECTOR ARRANGEMENT DIAGRAM
CONNECTION TABLE FOR CONNECTOR PIN NUMBERS
EXPLANATIONS OF CONTROL MECHANISM OF ELECTRICAL SYSTEM
DISPLAY METHOD FOR MONITOR PANEL,CONTROLLER
METHOD OF USING JUDGEMENT TABLE
METHOD OF USING TROUBLESHOOTING CHARTS
TROUBLESHOOTING OF ENGINE (S MODE)
METHOD OF USING TROUBLESHOOTING CHART
S-1 STARTING PERFORMANCE IS POOR (STARTING ALWAYS TAKES TIME)
S-2 ENGINE DOSE NOT START
(1) ENGINE DOSE NOT TURN
(2) ENGINE TURNS BUT NO EXHAUST SMOKE COMES OUT (FUEL IS NOT BEING INJECTED)
(3) EXHAUST SMOKE COMES OUT BUT ENGINE DOSE NOT START(FUEL IS BEING INJECTED)
S-3 ENGINE DOSE NOT PICK UP SMOOTHLY (FOLLOW-UP IS POOR)
S-4 ENGINE STOPS DURING OPERATIONS
S-5 ENGINE DOSE NOT ROTATE SMOOTHLY (HUNTING)
S-6 ENGINE LACKS OUTPUT (OR LACKS POWER)
S-7 EXHAUST SMOKE IS BLACK (INCOMPLETE COMBUSTION)
S-8 OIL CONSUMPTION IS EXCESSIVE (OR EXHAUST SMOKE IS BLUE)
S-9 OIL BECOMES CONTAMINATED QUICKLY
S-10 FUEL CONSUMPTION IS EXCESSIVE
S-11 OIL IS IN COOLING WATER,OR WATER SPURTS BACK,OR WATER LEVEL GOES DOWN
S-12 OIL PRESSURE CAUTION LAMP LIGHTS UP (DROP IN OIL PRESSURE)
S-13 OIL LEVEL RISES (WATER,FUEL IN OIL)
S-14 WATER TEMPERATURE BECOMES TOO HIGH (OVERHEATING)
S-15 ABNORMAL NOISE IS MADE
S-16 VIBRATION IS EXCESSIVE
TROUBLESHOOTING OF CONTROLLER,ELECTRICAL SYSTEM(E MODE)
ACTION TAKEN BY SELF-DIAGNOSTIC FUNCTION AND PROBLEMS ON MACHINE
JUDGEMENT TABLE FOR 4 SYSTEM
JUDGEMENT TABLE FOR CHASSIS RELATED PARTS
ELECTRICAL CIRCUIT DIAGRAM FOR CONTROLLER SYSTEM
POINTS TO REMEMBER WHEN CARRYING OUT TROUBLESHOOTING OF CONTROLLER SYSTEM
PRECAUTIONS WHEN HANDLING CANCEL SWITCH WHEN ABNORMALITY DISPLAY IS GIVEN AND WORK EQUIPMENT STOPS
E-1 ERROR CODE [EE] (ABNORMALITY IN CONTROLLER POWER SOURCE SYSTEM OR COMMUNICATIONS SYSTEM)
a) ABNORMALITY IN CONTROLLER POWER SOURCE SYSTEM
b) ABNORMALITY IN COMMUNICATIONS SYSTEM
E-2 ERROR CODE [21] (ABNORMALITY IN MODEL SELECTION SYSTEM)
E-3 ERROR CODE [22] (ABNORMALITY IN WORK EQUIPMENT SELECTION SYSTEM)
E-4 ERROR CODE [31] (ABNORMALITY IN BOOM POTENTLOMETER SYSTEM)
E-5 ERROR CODE [32] (ABNORMALITY IN ARM POTENTIOMETER SYSTEM)
E-6 ERROR CODE [34] (ABNORMALITY IN OFFSET POTENTIOMETER SYSTEM)
E-7 ERROR CODE [37] (ABNORMALITY IN POTENTIOMETER POWER SOURCE SYSTEM) IS DISPLAYED
E-8 ERROR CODE [38] (ABNORMALITY IN SLIDE ARM LENGTH SENSOR SYSTEM) IS DISPLAYED
E-9 ERROR CODE [41] (ABNORMALITY IN PPC LOCK SOLENOID SYSTEM)
E-10 ERROR CODE [42] (ABNORMALITY IN LEFT OFFSET STOP SOLENOID STSTEM)
E-11 ERROR CODE [44] (ABNORMALITY IN BOOM LOWER STOP SOLENOID SYSTEM)
E-12 ERROR CODE [51] (ABNORMALITY IN BOOM RAISE STOP SOLENOID SYSTEM)
E-13 ERROR CODE [52] (ABNORMALITY IN ARM IN STOP EPC SOLENOID SYSTEM) IS DISPLAYED
E-14 ERROR CODE [61] (VALVE OPEN) IS DISPLAYED
E-15 DEPTH MODE, HEIGHT MODE,OFFSET MODE DO NOT WORK PROPERLY (GO BEYOND SET POSITION BEFORE STOPPING OR STOP BEFORE REACHING SET POSITION)
E-16 IMPOSSIBLE TO SELECT AND SET DEPTH DISPLAY 0 SET MODE,DEPTH MODE,HEIGHTMODE,OFFSET MODE
E-17 CANCEL SWITCH IS NOT TURNED ON,BUT ALARM BUZZER SOUNDS FOR 7 SECONDS AND ELECTRIC SYSTEM CAUTION LAMP FLASHES
E-18 AUTOMATIC STOP IS NOT CARRIED OUT FOR BOOM RAISE,ARM IN,LEFT OFFSET(WHEN ERROR CODE [61] IS NOT DISPLAYED)
a) ALL OPERATIONS STOP IMMEDIATELY BOFORE INTERFERENCE
b) THERE IS INTERFERENCE
E-19 WHEN TELESCOPIC ARM IS EXTENDED (MORE THAN 200 MM) AUTOMATIC STOP DISTANCE IS NEAR
E-20 WHEN SLIDE ARM IS RETRACTED (LESS THAN 200 MM) AUTOMATIC STOP DISTANCE IS FAR
E-21 WORK EQUIPMENT DOSE MOVE WHEN WORK EQUIPMENT LOCK LEVER IS SET TO FREE POSITION
E-22 WORK EQUIPMENT DOSE MOVE WHEN WORK EQUIPMENT LOCK LEVER IS SET TO FREE POSITION
E-23 DOSE NOT SWING
E-24 EXCESSIVE HYDRAULIC DRIFT OF SWING (SWING BRAKE HAS NO EFFECT)
E-25 EVEN WHEN TRAVEL BOOST PEDAL IS OPERATED (DEPRESSED),SPEED DOSE NOT INCREASE
E-26 TRAVEL BOOST PEDAL IS NOT BEING OPERATED (NOT DEPRESSED) BUT SPEED REMAINS BOOSTED
E-27 POWER MODE DOSE NOT SWITCH
a) WHEN ENGINE SPEED IS AT MID-RANGE SPEED OR ABOVE (LIMIT SWITCH ON) BUT WORK EQUIPMENT SPEED SLOW
b) EXCESSIVE DROP IN ENGINE SPEED WHEN ENGINE SPEED IS BELOW MID-RANGE SPEED (LIMIT SWITCH ON)
E-28 WIPER DOSE NOT WORK
E-29 ENGINE DOSE NOT START
a) STARTING MOTOR DOSE NOT TURN
b) ENGINE STOP SOLENOID DOSE NOT WORK (STARTING MOTOR TURNS)
E-30 ENGINE DOSE NOT STOP
E-31 DEFECTIVE ENGINE CONTROL
a) DOSE NOT WORK,OR WORKS AND THEN STOPS WORKING
b) WORKS,BUT DOSE NOT WORKS SMOOTHLY (CABLE WORK ABNORMAL OR INSUFFICIENT STROKE)
c) SWIFT SLOW-DOWN DOSE NOT WORK
d) WORKS AT NEAR IDLING BUT DOSE NOT WORK UP TO FULL (LOAD BECOMES LARGER)
TROUBLESHOOTING OF HYDRAULIC,MECHANICAL SYSTEM (H MODE)
TABLE OF FAILURE MODES AND CAUSES
H-1 SPEEDS OF ALL WORK EQUIPMENT,TRAVEL,AND SWING ARE SLOW OR LACK POWER
a) SPEEDS OF ALL WORK EQUIPMENT,TRAVEL,AND SWING ARE ALL SLOW OR LACK POWER
b) SPEEDS OF SWING AND BLADE ARE ALL SLOW OR LACK POWER (BOOM,ARM,BUCKET,OFFSET,AND TRAVEL ARE NORMAL)
c) SPEEDS OF BOOM,ARM,BUCKET,OFFSET,AND TRAVEL ARE ALL SLOW OR LACK POWER (SWING AND BLADE ARE NORMAL)
d) SPEEDS OF ALL WORK EQUIPMENT (BOOM,ARM,BUCKET,OFFSET) ARE ALL SLOW OR LACK POWER (TRAVEL AND AWING ARE NORMAL)
H-2 THERE IS EXCESSIVE DROP IN ENGINE SPEED,OR ENGINE STALLS
H-3 NONE OF WORK EQUIPMENT,TRAVEL,OR SWING MOVE
a) NONE OF WORK EQUIPMENT,TRAVEL,OR SWING MOVE
b) NONE OF BOOM,ARM,BUCKET,OFFSET,OR TRAVEL MOVE (SWING AND BLADE ARE NORMAL)
c) SWING AND BLADE DO NOT MOVE (BOOM,ARM,BUCKET,OFFSET,AND TRAVEL ARE NORMAL)
H-4 ABNORMAL NOISE GENERATED FROM AROUND PUMP
H-5 FINE CONTROL ABILITY IS POOR OR RESPONSE IS POOR (BOOM,ARM,BUCKET,OFFSET)
H-6 BOOM IS SLOW OR LACKS POWER
H-7 ARM IS SLOW OR LACKS POWER
H-8 BUCKET IS SLOW OR LACKS POWER
H-9 BLADE IS SLOW OR LACKS POWER
H-10 WORK EQUIPMENT DOSE NOT MOVE (ONE OF BOOM,ARM,BUCKET,OFFSET,BLADE DOSE NOT MOVE)
H-11 EXCESSIVE HYDRAULIC DRIFT OF WORK EQUIPMENT
a) EXCESSIVE HYDRAULIC DRIFT OF BOOM,ARM,BUCKET
b) EXCESSIVE HYDRAULIC DRIFT OF BLADE
H-12 EXCESSIVE TIME LAG (ENGINE AT LOW IDLING)
H-13 IN COMPOUND OPERATIONS,WORK EQUIPMENT WITH LARGER LOAD IS SLOW
H-14 IN SWING + BOOM RAISE,BOOM RAISE IS SLOW
H-15 IN TRAVEL + BOOM RAISE,TRAVEL SPEED DROPS EXCESSIVELY
H-16 WHEN MACHINE IS TRAVELING,IT DEVIATES NATURALLY TO ONE SIDE (DEVIATION IS EXCESSIVE WHEN TRAVELING)
a) DEVIATES IN SAME DIRECTION IN BOTH FORWARD AND REVERSE
b) DEVIATES IN DIFFERENT DIRECTION IN FORWARD AND REVERSE
H-17 EXCESSIVE DEVIATION WHEN STARTING
H-18 TRAVEL SPEED IS SLOW OR LACKS POWER
H-19 STEERING IS DIFFICULT TO TURN
H-20 TRAVEL SPEED DOSE NOT SWITCH
H-21 TRACK DOSE NOT MOVE (ONE SIDE ONLY)
H-22 UPPER STRUCTURE DOSE NOT SWING
a) DOSE NOT SWING TO EITHER LEFT OR RIGHT
b) DOSE NOT SWING IN ONE DIRECTION (EITHER LEFT OR RIGHT)
H-23 SWING ACCELERATION IS POOR OR SPEED IS SLOW
H-24 EXCESSIVE OVERRUN WHEN STOPPING SWING
a) OVERRUN IN ONE DIRECTION ONLY
b) OVERRUN IN BOTH DIRECTIONS
H-25 EXCESSIVE SHOCK WHEN STOPPING SWING (ONE DIRECTION ONLY0
H-26 EXCESSIVE ABNORMAL NOISE WHEN STOPPING SWING
H-27 EXCESSIVE HYDRAULIC DRIFT OF SWING
a) WHEN SWING HOLDING BRAKE IS RELEASED
b) WHEN SWING HOLDING BRAKE IS APPLIED
TROUBLESHOOTING 0F MACHINE MONITOR SYSTEM (M MODE)
ELECTRICAL CIRCUIT DIAGRAM FOR MACHINE MONITOR SYSTEM
M-1 WHEN THE STARTING SWITCH IS TURNED ON,NO DISPLAY IS GIVEN (LAMPS DO NOT LIGHT UP FOR 3 SECONDS)
M-2 WHEN STARTING SWITCH IS TURNED ON,LAMPS LIGHT UP FOR 3 SECONDS,BUT THEN DO NOT GO OUT
M-3 WHEN STARTING SWITCH IS TURNED ON,SOME LAMPS DO NOT LIGHT UP FOR 3 SECONDS
a) NO GAUGE LIGHT UP PREHEATING PILOT DOSE NOT LIGHT UP
b) BATTERY ELECTROLYTE LEVEL CAUTION LAMP DOSE NOT LIGHT UP ELECTRIC SYSTEM CAUTION LAMP DOSE NOT LIGHT UP
c) CHARGE CAUTION DOSE NOT LIGHT UP
d) ENGINE OIL PRESSURE CAUTION LAMP DOSE NOT LIGHT UP
M-4 WHEN STARTING SWITCH IS ON (ENGINE STOPPED), CHARGE CAUTION LAMP DOSE NOT LIGHT UP
M-5 WHEN STARTING SWITCH IS ON (ENGINE STOPPED), ENGINE OIL PRESSURE CAUTION LAMP DOSE NOT LIGHT UP
M-6 DURING PREHEATING ,PREHEATING PILOT DOSE NOT LIGHT UP
M-7 WHEN ENGINE IS RUNNING, ENGINE OIL PRESSURE CAUTION LAMP LIGHTS UP (ENGINE OIL PRESSURE IS NORMAL)
M-8 WHEN ENGINE IS RUNNING, CHARGE CAUTION LAMP LIGHTS UP
M-9 ABNORMALITY DISPLAY ON COOLANT TEMPERATURE GAUGE
a) AFTER ENGINE IS STARTED, LEVEL STAYS AT BOTTOM AND DOSE NOT MOVE
b) AFTER ENGINE IS ATARTED, LEVEL IMMEDIATELY RISES ENGINE IS NOT OVERHEATING BUT INDICATOR ENTERS RED RANGE
c) WATER TEMPERATURE GAUGE GOSE OUT
M-10 ABNORMALITY DISPTAY ON FUEL GAUGE
a) ALL FUEL GAUGE SEGMENTS GO OUT
b) EVEN WHEN FUEL LEVEL GOSE DOWN, FUEL GAUGE CONTINUES TO SHOW FULL
c) EVEN WHEN TANK IS FILLED, FUEL GAUGE DOSE NOT SHOW FULL
M-11 DEFECTIVE OPERATION OF ALARM BUZZER
a) BUZZER DOSE NOT SOUND
b) BUZZER CONTINUES TO SOUND AND DOSE NOT STOP
M-12 WHEN ENGINE IS RUNING, SERVISE METER DOSE NOT ADVANCE
a) WHEN CHARGE CAUTION LAMP DOES NOT LIGHT UP
b) WHEN CHARGE CAUTION LAMP LIGHTS UP
M-13 NIGHT LIGHTING DOSE NOT LIGHT UP
a) LIGHTING OF COOLANT TEMPERATURE GAUGE, FUEL GAUGE, DEPTH DISPLAY DOSE NOT LIGHT UP
b) LIGHTING OF SERVICE METER DOSE NOT LIGHT UP
M-14 ELECTRIC SYSTEM CAUTION LAMP STAYS LIGHTED UP, AND DOSE NOT GO OUT (ON ABNORMALITY DISPLAY ON CONTROLLER, OPERATION IS NORMAL)
M-15 HEATER DOSE NOT WORK
a) DOSE NOT WORK AT EITHER LO OR HI
b) DOSE NOT WORK AT LO ONLY
c) DOSE NOT WORK AT HI ONLY

30 DISASSEMBLY AND ASSEMBLY
SERIAL NO.:15001-19000 (MOUNT THE 4D95LE-2ENGINE)
METHOD OF USING MANUAL
PRECAUTIONS WHEN CARRYING OUT OPERATION
SPECIAL TOOL LIST
SCHEMATIC DRAWING OF SPECIAL TOOL
STARTING MOTOR
REMOVAL AND INSTALLATION
ALTERNATOR
REMOVAL AND INSTALLATION
FUEL INJECTION PUMP
REMOVAL
INSTALLATION
WATER PUMP
REMOVAL AND INSTALLATION
NOZZLE HOLDER
REMOVAL AND INSTALLATION
THERMOSTAT
REMOVAL AND INSTALLATION
ENGINE OIL COOLER CORE
REMOVAL AND INSTALLATION
CYLINDER HEAD
REMOVAL
INSTALLATION
RADIATOR AND HYDRAULIC OIL COOLER
REMOVAL
INSTALLATION
ENGINE AND MAIN PUMP
REMOVAL
INSTALLATION
CENTER SWIVEL JOINT
REMOVAL
INSTALLATION
DISASSEMBLY AND ASSEMBLY
TRAVEL MOTOR
REMOVAL AND INSTALLATION
SPROCKET
REMOVAL AND INSTALLATION
SWING MOTOR AND SWING MACHINERY
REMOVAL
INSTALLATION
SWING MACHINERY
DISASSEMBLY
ASSEMBLY
REVOLVING FRAME
REMOVAL
INSTALLATION
SWING CIRCLE
REMOVAL AND INSTALLATION
IDLER AND RECOIL SPRING
REMOVAL AND INSTALLATION
IDLER
DISASSEMBLY
ASSEMBLY
RECOIL SPRING
DISASSEMBLY
ASSEMBLY
TRACK ROLLER
REMOVAL AND INSTALLATION
DISASSEMBLY
ASSEMBLY
CARRIER ROLLER
REMOVAL AND INSTALLATION
DISASSEMBLY AND ASSEMBLY
RUBBER SHOE
REMOVAL AND INSTALLATION
STEEL SHOE AND ROAD LINER
REMOVAL AND INSTALLATION
MAIN PUMP
REMOVAL
INSTALLATION
MAIN PUMP INPUT SHAFT OIL SEAL
REMOVAL AND INSTALLATION
SELF PRESSURE REDUCING VALVE
REMOVAL AND INSTALLATION
CONTROL VALVE
REMOVAL
INSTALLATION
DISASSEMBLY
ASSEMBLY
MAIN RELIEF VALVE
DISASSEMBLY AND ASSEMBLY
SOLENOID VALVE
REMOVAL AND INSTALLATION
WORK EQUIPMENT L. H. PPC VALVE
REMOVAL AND INSTALLATION
WORK EQUIPMENT R. H. PPC VALVE
REMOVAL AND INSTALLATION
WORK EQUIPMENT AND SWING PPC VALVE
DISASSEMBLY
ASSEMBLY
TRAVEL PPC VALVE
REMOVAL AND INSTALLATION
DISASSEMBLY
ASSEMBLY
BLAND PPC VALVE
REMOVAL AND INSTALLATION
OFFSET PPC VALVE
REMOVAL AND INSTALLATION
DISASSEMBLY
ASSEMBLY
ARM CYLINDER
REMOVAL
INSTALLATION
BUCKET CYLINDER
REMOVAL
INSTALLATION
BOOM CYLINDER
REMOVAL
INSTALLATION
OFFSET CYLINDER
REMOVAL
INSTALLATION
BLADE CYLINDER
REMOVAL
MOUNT
HYDRAULIC CYLINDER
DISASSEMBLY
ASSEMBLY
WORK EQUIPMENT
REMOVAL
INSTALLATION
BUCKET
REMOVAL AND INSTALLATION
ARM
REMOVAL
INSTALLATION
SECOND BOOM
REMOVAL
INSTALLATION
BUCKET AND ARM
REMOVAL
INSTALLATION
FIRST BOOM
REMOVAL
INSTALLATION
BLADE
REMOVAL AND INSTALLATION
OPERATOR’S CAB
REMOVAL AND INSTALLATION
FLOOR FRAME
REMOVAL
INSTALLATION
FUEL TANK
REMOVAL AND INSTALLATION
CONTROLLER
REMOVAL AND INSTALLATION
MONITOR
REMOVAL AND INSTALLATION
COUNTERWEIGHT
REMOVAL AND INSTALLATION
SERIAL NO.: 19001 AND UP (MOUNT THE 4D95LE-2ENGINE
RADIATOR AND HYD RAULIC OIL COOLER
REMOVAL AND INSTALLATION
ENGINE MAIN PUMP
REMOVAL
INSTALLATION
REVOLVING FRAME
REMOVAL
INSTALLATION
MAIN PUMP
REMOVAL
INSTALLATION
FLOOR FRAME
REMOVAL
INSTALLATION
COUNTERWEIGHT
REMOVAL AND INSTALLATION

40 MAINTENANCE STANDARD
SWING MACHINERY
SWING CIRCLE
TRACK FRAME, RECOIL SPRING
IDLER
TRACK ROLLER
CARRIER ROLLER
SPROCKET
TRACK SHOE
HYDRAULIC PUMP
CONTROL VALVE
SELF PRESSURE REDUCING VALVE
SWING MOTOR
CENTER SWIVEL JOINT
WORK EQUIPMENT, SWING PPC VALVE
TRAVEL PPC VALVE
BLADE, OFFSET PPC VALVE
HYDRAULIC CYLINDER
WORK EQUIPMENT
DIMENSION OF WORK EQUIPMENT

90 OTHERS
HYDRAULIC CIRCUIT DIAGRAM
STANDERD SPEC.
SERVICE VALVE SPEC.
SLIDE ARM SPEC.
MONO BOOM SPEC.
ELECTRICAL CIRCUIT DIAGRAM
STANDERD SPEC.
LONG ARM SPEC.

 

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Komatsu PC75UU-3 Hydraulic Excavator Shop Manual (15001 and up) – SEBM016404.pdf

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