Komatsu PW150ES-6K Hydraulic Excavator Service Repair Workshop Manual - UEBM000401
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This Complete Service Repair Workshop Manual PDF Download for the Komatsu PW150ES-6K 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 :
Komatsu PW150ES-6K - S/N: K30001 and up
Komatsu PW150ES-6K - S/N: K34001 and up
TABLE OF CONTENTS :
01 GENERAL
10 STRUCTURE AND FUNCTION
20 TESTING AND ADJUSTING
30 DISASSEMBLY AND ASSEMBLY
40 MAINTENANCE STANDARD
MANUAL SPECIFICATION :
File Format : PDF
Language : English
Printable : Yes
Searchable : Yes
Bookmarked : Yes
Product Code : UEBM000401
Total Pages : 689
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.
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PW150ES-6K PW150ES-6K
K30001 and up K34001 and up
CONTENTS
01 GENERAL
10 STRUCTURE AND FUNCTION
20 TESTING AND ADJUSTING
30 DISASSEMBLY AND ASSEMBLY
40 MAINTENANCE STANDARD
SAFETY
SAFETY NOTICE
FOREWORD
GENERAL
HOW TO READ THE SHOP MANUAL
HOISTING INSTRUCTIONS
COATING MATERIALS
STANDARD TIGHTENING TORQUE
ELECTRIC WIRE CODE
CONVERSION TABLE
ENGINE RELATED PARTS
RADIATOR Ł OIL COOLER
POWER TRAIN - 20 Km/ h TRAVEL SPEED SPEC.
POWER TRAIN - 30 Km/ h TRAVEL SPEED SPEC.
SWING CIRCLE
SWING HOLDING BRAKE
SWING MACHINERY UNDERCARRIAGE
TRANSMISSION - 20 Km/ h TRAVEL SPEED SPEC.
CLUTCH ASS'Y - 30 Km/ h TRAVEL SPEED SPEC.
TRANSMISSION - 30 Km/ h TRAVEL SPEED SPEC.
CLUTCH CONTROL CIRCUIT ( 30 Km/ h SPEC. ONLY)
AXLE
SUSPENSION LOCK CYLINDER
CIRCUIT
BRAKING TRAIN BRAKE/ STEER PUMP PRIORITY VALVE
ACCUMULATOR CHARGE PRESSURE
ACCUMULATOR FOR BRAKE SYSTEM
STEERING TRAIN
STEERING COLUMN
ORBITROL VALVE
HYDRAULIC CIRCUIT DIAGRAM ( 2/ 2)
HYDRAULIC TANK
HYDRAULIC TANK
HYDRAULIC PUMP
PW150ES- 6K K30001 and up OPERATION
FUNCTION
PILOT PRESSURE CONTROL ( PPC) SYSTEM
CONTROL VALVE
CLSS
SWING MOTOR
CENTER SWIVEL JOINT
FRONT TRAVEL MOTOR ( 20 Km/ h TRAVEL SPEED SPEC.)
HYDRAULIC SCHEMATIC
FRONT TRAVEL MOTOR ( 30 Km/ h TRAVEL SPEED SPEC.)
HYDRAULIC SCHEMATIC
REAR TRAVEL MOTOR ( 20 Km/ h TRAVEL SPEED SPEC.)
HYDRAULIC SCHEMATIC
REAR TRAVEL MOTOR
OPERATION OF TRAVEL MOTORS ( 30 Km/ h TRAVEL SPEED SPEC.)
WORK EQUIPMENT - SWING PPC VALVE
TRAVEL PPC PEDAL TRAVEL PPC VALVE PEDAL
SERVICE PPC VALVE
PPC PRESSURE SWITCH BLOCK TRAVEL SPEED GOVERNOR EPC VALVE
SOLENOID VALVE
TRAVEL SPEED, SWING BRAKE, 2- STAGE RELIEF SUSPENSION LOCK SOLENOID VALVE, SAFETY LOCK SOLENOID VALVE
LS CONTROL EPC VALVE
BOOM SAFETY VALVE
HYDRAULIC CYLINDERS ( Boom & Arm)
BOOM LIFT CYLINDER ARM CYLINDER BUCKET CYLINDER
BOOM ADJUST CYLINDER
OUTRIGGER CYLINDER
DOZER BLADE CYLINDER WORK EQUIPMENT - ONE PIECE BOOM WORK EPUIPMENT - TWO PIECE BOOM
ENGINE CONTROL SYSTEM
ELECTRONIC CONTROL SYSTEM
FUNCTION
MACHINE MONITOR SYSTEM
DISPLAY MONITOR
MODE SELECTION SWITCHES
OVERLOAD WARNING DEVICE
BREAKER MODE HYDRAULIC PERFORMANCE ( MAIN VALVE BYPASSED)
BREAKER MODE HYDRAULIC PERFORMANCE ( VIA MAIN VALVE)
TABLE OF JUDGEMENT STANDARD VALUE
Ł FOR ENGINE
STANDARD VALUE TABLE FOR ELECTRICAL PARTS
CHECKING AND ADJUSTING BELT TENSION FOR AIR CONDITIONER COMPRESSOR
ADJUSTING ENGINE SPEED SENSOR
TESTING AND ADJUSTING GOVERNOR MOTOR LEVER STROKE
TESTING CLEARANCE OF SWING CIRCLE BEARING
TESTING AND ADJUSTING HYDRAULIC PRESSURE IN WORK EQUIPMENT, SWING, TRAVEL CIRCUIT
TESTING AND ADJUSTING TVC VALVE OUTPUT PRESSURE ( SERVO PISTON INPUT PRESSURE)
TESTING AND ADJUSTING LS DIFFERENTIAL PRESSURE
TESTING AND ADJUSTING PILOT CIRCUIT OIL PRESSURE
TESTING EPC VALVE SOLENOID VALVE OUTPUT PRESSURE
MEASURING PPC VALVE OUTPUT PRESSURE AND TESTING PPC VALVE
TESTING TRAVEL MOTOR RELIEF PRESSURE
ADJUSTING TRAVEL MOTOR RELIEF PRESSURE
TESTING PROPSHAFT SPEED
MEASURING ROTATING SPEED OF PROPSHAFT
TESTING TRANSMISSION CLUTCH CONTROL CIRCUIT
CLUTCH CONTROL CIRCUITS COMPONENTS
TESTING CLUTCH CONTROL CIRCUIT
ADJUSTING WORK EQUIPMENT, SWING PPC VALVE
TESTING LOCATIONS CAUSING HYDRAULIC DRIFT OF WORK EQUIPMENT
MEASURING OIL LEAKAGE
RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT
BLEEDING AIR
POINTS TO REMEMBER WHEN TROUBLESHOOTING
SEQUENCE OF EVENTS IN TROUBLESHOOTING
PRECAUTIONS WHEN CARRYING OUT MAINTENANCE
1. PRECAUTIONS WHEN HANDLING ELECTRIC EQUIPMENT
2. POINTS TO REMEMBER WHEN HANDLING HYDRAULIC EQUIPMENT
CHECKS BEFORE TROUBLESHOOTING
CONNECTOR TYPES AND MOUNTING LOCATIONS
CONNECTION TABLE FOR CONNECTOR PIN NUMBERS
EXPLANATION OF CONTROL MECHANISM FOR ELECTRICAL SYSTEM
DISPLAY METHOD AND SPECIAL FUNCTIONS OF MONITOR PANEL
METHOD OF USING JUDGEMENT TABLE
METHOD OF USING TROUBLESHOOTING CHARTS
DETAILS OF TROUBLESHOOTING AND TROUBLESHOOTING PROCEDURE
SERVICE CODE TABLE
POINTS TO REMEMBER WHEN CARRYING OUT TROUBLESHOOTING OF GOVER- NOR, PUMP CONTROLLER SYSTEM
ACTION TAKEN BY CONTROLLER WHEN ABNORMALITY OCCURS AND PROBLEMS ON MACHINE
JUDGEMENT TABLE FOR GOVERNOR, PUMP GOVERNOR ( GOVERNOR CONTROL SYSTEM) AND ENGINE RELATED PARTS
ELECTRICAL CIRCUIT DIAGRAM FOR E MODE 1/ 2
ELECTRICAL CIRCUIT DIAGRAM FOR E MODE 2/ 2
E- 1 Abnormality 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 moter 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 is displayed
E- 8 Engine does not start
E- 9 Engine speed is irregular
E- 10 Lack of output ( engine high idling speed is too low)
E- 11 Engine does not stop
E- 12 Defective operation of battery relay system ( engine does not stop)
METHOD OF USING TROUBLESHOOTING 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 operations
S- 5 Engine does not rotate smoothly ( hunting)
S- 6 Engine lacks output ( no 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
POINTS TO REMEMBER WHEN TROUBLESHOOTING PUMP CONTROLLER SYSTEM
ACTION TAKEN BY CONTROLLER WHEN ABNORMALITY OCCURS AND PROBLEMS ON MACHINE
JUDGEMENT TABLE FOR GOVERNOR, PUMP CONTROLLER ( PUMP CONTROL SYSTEM) AND HYDRAULIC RELATED PARTS
C- 1 Abnormality in controller power source system ( controller LED is OFF)
C- 2 [ E232] Short circuit in pump TVC solenoid system is displayed
C- 3 [ E233] Disconnection in pump TVC 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 [ E205] Short circuit in 2- stage relief solenoid system is displayed
C- 11 [ E215] Disconnection in 2- stage relief solenoid system is displayed
C- 12 [ E206] Short circuit in travel speed solenoid system is displayed
C- 13 [ E216] Disconnection in travel speed selector solenoid system is displayed
C- 14 [ E217] Model selection input error is displayed
C- 15 [ E222] Short circuit in LS- EPC solenoid system is displayed
C- 16 [ E223] Disconnection in LS- EPC solenoid system displays
C- 17 [ E224] Abnormality in pump pressure sensor system is displayed
C- 19 [ E226] Abnormality in pressure sensor power source system is displayed
C- 20 [ E227] Abnormality in engine speed sensor system is displayed
TROUBLESHOOTING OF GOVERNOR, PUMP CONTROLLER ( INPUT SIGNAL SYSTEM) ( 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- 11 Bit pattern 22-( 6) L. H. knob switch does not light up
TABLE OF FAILURE MODES AND CAUSES ( 1/ 2)
TABLE OF FAILURE MODES AND CAUSES ( 2/ 2)
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 move
H- 4 Abnormal noise generated ( around pump)
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 F/ O modes, work equipment speed is faster than specified speed H- 16 In compound operations, work equipment with larger load is slow
H- 15 Lack of power when pressure rises H- 21 TRAVEL SPEED IS SLOW
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
ACTION TAKEN BY MONITOR PANEL WHEN ABNORMALITY OCCURS AND PROBLEMS ON MACHINE
PW150ES- 6K Serial number K30001 and up PW150ES- 6K Serial number K30001 and up M- 1 [ E101] Abnormality in error data is displayed [ E102] Error in clock data is displayed
M- 2 [ E103] Short circuit in buzzer output or contact of 24 V wiring harness with buzzer drive harness is displayed
M- 3 [ E104] Air clogging detected is displayed
M- 4 [ E106] Drop in engine oil pressure detected is displayd
M- 5 [ E108] Engine water temperature 105 ° C detected is displayed
M- 6 When starting switch is turned ON, none of the lamps on the monitor panel light up for 3 seconds
M- 7 When starting switch is turned ON, monitor panel lamps all stay lighted up and do not go out M- 8 When starting switch is turned ON, items lighted up on monitor panel are different from actual machine ( model)
M- 9 When starting switch is turned ON ( engine stopped), basic check items flashes
M- 10 Preheating is not being used but ( preheating monitor) lights up
M- 11 When starting switch is turned ON and engine is started, basic check items flash
M- 12 When starting switch is turned ON ( engine stopped), caution items, emergency items flash ( battery, engine oil pressure lamps do not light up)
M- 13 When starting switch is turned ON and engine is started, caution items, emergency items flash ( when there is no abnormality in engine or items to check before troubleshooting)
M- 14 When starting switch is turned ON ( engine stopped), buzzer does not sound for 1 second Caution item flashes but buzzer does not sound
M- 15 No abnormality is displayed on monitor but buzzer sounds
M- 16 Night lighting on monitor panel does not light up ( liquid crystal display is normal)
M- 18 Coolant temperature gauge does not give any display ( none of gauge lamps light up during operation)
M- 17 Coolant temperature gauge does not rise
M- 19 Fuel level gauge always displays FULL
M- 20 Fuel level gauge does not give display
M- 21 Swing lock switch is turned ON ( LOCK) but ( swing lock monitor) does not light up
M- 22 Swing prolix switch is turned ON ( prolix), but ( swing lock monitor) does not flash
M- 23 Service meter does not advance while engine is running M- 24 When starting 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- 30 Wiper does not work or switch is not being used but wiper is actuated
METHOD OF USING MANUAL
PRECAUTIONS WHEN CARRYING OUT OPERATION
SPECIAL TOOL LIST
REMOVAL OF GOVERNOR MOTOR ASSEMBLY
INSTALLATION OF GOVERNOR MOTOR ASSEMBLY
REMOVAL OF HYADRAULIC OIL COOLER ASSEMBLY
INSTALLATION OF HYDRAULIC OIL COOLER ASSEMBLY
REMOVAL OF RADIATOR - HYDRAULIC OIL COOLER ASSEMBLY
INSTALLATION OF RADIATOR - HYDRAULIC OIL COOLER ASSEMBLY
REMOVAL OF ENGINE Ł HYDRAULIC PUMP ASSEMBLY
INSTALLATION OF ENGINE Ł HYDRAULIC PUMP ASSEMBLY
REMOVAL OF DAMPER ASSEMBLY
INSTALLATION OF DAMPER ASSEMBLY
REMOVAL OF FUEL / HYDRAULIC TANK ASSY
INSTALLATION OF OF FUEL / HYDRAULIC TANK ASSY
REMOVAL OF CENTER SWIVEL JOINT ASSEMBLY
INSTALLATION OF CENTER SWIVEL JOINT ASSEMBLY
REMOVAL OF SWING MOTOR ASSEMBLY
INSTALLATION OF SWING MOTOR ASSEMBLY
REMOVAL OF SWING MACHINERY ASSEMBLY
INSTALLATION OF SWING MACHINERY ASSEMBLY
DISASSEMBLY AND ASSEMBLY OF SWING MOTOR REMOVAL OF REVOLVING FRAME ASSEMBLY
INSTALLATION OF REVOLVING FRAME ASSEMBLY
REMOVAL OF SWING CIRCLE ASSEMBLY
INSTALLATION OF SWING CIRCLE ASSEMBLY
REMOVAL OF MAIN PUMP ASSEMBLY
INSTALLATION OF MAIN PUMP ASSEMBLY
REMOVAL OF CONTROL VALVE ASSEMBLY
INSTALLATION OF CONTROL VALVE ASSEMBLY
DISASSEMBLY OF CONTROL VALVE ASSEMBLY
ASSEMBLY OF CONTROL VALVE ASSEMBLY
DISASSEMBLY OF LS SELECT VALVE
ASSEMBLY OF LS SELECT VALVE
DISASSEMBLY OF LS SHUTTLE VALVE
ASSEMBLY OF LS SHUTTLE VALVE
INDENTIFICATION OF LS SHUTTLE VALVE
DISASSEMBLY OF PRESSURE COMPENSATION VALVE ASSEMBLY
IDENTIFICATION OF PRESSURE COMPENSATION VALVE ASSEMBLY
ASSEMBLY OF PRESSURE COMPENSATION VALVE ASSEMBLY
DISASSEMBLY OF MAIN RELIEF VALVE ASSEMBLY
ASSEMBLY OF MAIN RELIEF VALVE ASSEMBLY
REMOVAL OF LS CONTROL EPC VALVE ASSEMBLY
INSTALLATION OF LS CONTROL EPC VALVE ASSEMBLY
REMOVAL OF SOLENOID VALVE ASSEMBLY
INSTALLATION OF SOLENOID VALVE ASSEMBLY
REMOVAL OF PPC PRESSURE SWITCH VALVE ASSEMBLY
INSTALLATION OF PPC SHUTTLE VALVE ASSEMBLY
REMOVAL OF WORK EQUIPMENT Ł SWING PPC VALVE ASSEMBLY
INSTALLATION OF WORK EQUIPMENT Ł SWING PPC VALVE ASSEMBLY
REMOVAL OF TRAVEL PPC PEDAL ASSEMBLY
INSTALLATION OF TRAVEL PPC PEDAL 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 ASSEMBLY
INSTALLATION OF COUNTERWEIGHT ASSEMBLY
REMOVAL OF GOVERNOR PUMP CONTROLLER ASSEMBLY
INSTALLATION OF GOVERNOR, PUMP CONTROLLER ASSEMBLY
REMOVAL OF MONITOR PANEL ASSEMBLY
INSTALLATION OF MONITOR PANEL ASSEMBLY
PW150ES- 6K Serial number K30001 and up 3. DISASSEMBLING
4. ASSEMBLY
5. BRAKE CHECK
DISASSEMBLY OF SWING MACHINERY ASSEMBLY ( SPECIAL TOOLS FOR SWING MACHINERY) ( SPECIAL TOOLS FOR SWING MACHINERY) TRANSMISSION
DISASSEMBLING, SETTING OPERATIONS AND REASSEMBLING
EMERGENCY BRAKE
SPECIAL TOOLS
GEAR AND CONTROL BOX
FLANGE POSITIONING
TIGHTENING TORQUES
FRONT AXLE
DISASSEMBLING, SETTING OPERATIONS AND REASSEMBLING
FINAL DRIVES
WHEEL HUBS AND BRAKES
WHEEL HUBS AND BRAKES
SWIVEL HOUSING
SWIVEL PIN BEARING CLEARANCE
DRIVE SHAFTS
STEERING CYLINDER - TOE - IN
BEVEL GEAR AND PINION SET
PINION POSITIONING
PINION BEARINGS PRE- LOAD
BEVEL PINION- GEAR TEETH BACKLASH
DIFFERENTIAL BEARINGS PRE- LOAD
ADJUSTMENT OF THE FLANGE ON THE PINION
DIFFERENTIAL
AXLE BEAM
TIGHTENING TORQUES
REAR AXLE
DISASSEMBLING, SETTING OPERATIONS AND REASSEMBLING
FINAL DRIVES
WHEEL HUBS
BRAKES
BEVEL GEAR AND PINION SET
PINION POSITIONING
PINION BEARINGS PRE- LOAD
BEVEL PINION- GEAR TEETH BACKLASH
DIFFERENTIAL BEARINGS PRE- LOAD
ADJUSTMENT OF THE FLANGE ON THE PINION
DIFFERENTIAL
AXLE BEAM
TIGHTENING TORQUES
ADAPTER WELDING INSTRUCTION - ELECTRODE WELDING
OUT RIGGER CYLINDER
BLADE CYLINDER
ENGINE MOUNT
SWING MACHINERY CONTROL VALVE SUCTION- SAFETY VALVE
SWING MOTOR WORK EQUIPMENT, SWING PPC VALVE
EPC SOLENOID VALVE
FOR LS VALVE + TRAVEL
CENTER SWIVEL JOINT
ARM, BOOM SAFETY VALVE
HYDRAULIC CYLINDER ( THREADED PISTON TYPE)
WORK EQUIPMENT - ONE PIECE BOOM
WORK EQUIPMENT - TWO PIECE BOOM
DIMENSION OF WORK EQUIPMENT
BUCKET CAPACITIES
DOZER BLADE AND OUTRIGGERS HYDRAULIC CYLINDERS
OUTRIGGER BUSH PINS
TRANSMISSION
FRONT AXLE
REAR AXLE
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Komatsu PW150ES-6K Hydraulic Excavator Shop Manual - UEBM000401.pdf