Komatsu PW160-7E0 Hydraulic Excavator Service Repair Workshop Manual (H55051 and up) - VEBM395100
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This Complete Service Repair Workshop Manual PDF Download for the Komatsu PW160-7E0 Hydraulic Excavator (S/N: H55051 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 PW160-7E0 - S/N: H55051 and up
TABLE OF CONTENTS :
01 GENERAL
10 STRUCTURE, FUNCTION AND
20 TESTING AND ADJUSTING
30 DISASSEMBLY AND ASSEMBLY
90 OTHERS
MANUAL SPECIFICATION :
File Format : PDF
Language : English
Printable : Yes
Searchable : Yes
Product Code : VEBM395100
Total Pages : 1140
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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VEBM395100 PW160-7E0
SAFETY
SAFETY NOTICE
IMPORTANT SAFETY NOTICE
GENERAL PRECAUTIONS
PRECAUTIONS DURING WORK
01 GENERAL
SPECIFICATION DIMENSION DRAWINGS
DIMENSIONS
1 pIECE BOOM
WORKING RANGES
1 PIECE BOOM
2 PIECE BOOM
SPECIFICATIONS
WEIGHT TABLE
1 piece boom
2 piece boom
FUEL, COOLANT AND LUBRICANTS
10 STRUCTURE, FUNCTION AND
ENGINE RELATED PARTS
RADIATOR . OIL COOLER . CHARGE AIR COOLER
POWER TRAIN
SWING CIRCLE
SWING MACHINERY & MOTOR
SWING MOTOR
Operation of swing lock
RELIEF VALVE PORTION
Operation
UNDERCARRIAGE
TRANSMISSION
ATT EPC VALVE ASSEMBLY
QUICK COUPLER CONTROL VALVE
TRAVEL MOTOR
OPERATION OF TRAVEL MOTOR
CLUTCH CONTROL CIRCUIT
AXLE
SUSPENSION LOCK CYLINDER
BRAKING SYSTEM
BRAKE/STEER PUMP
PRIORITY VALVE
POWER BRAKE VALVE
SPECIFICATIONS
FUNCTION
ACCUMULATOR for brake system
STEERING SYSTEM
STEERING COLUMN
ORBITROL VALVE
HYDRAULIC EQUIPMENT LAYOUT DRAWINGS
HYDRAULIC CIRCUIT DIAGRAM
HYDRAULIC TANK
HYDRAULIC PUMP
HPV125
LS VALVE
PC VALVE
LS(pc)-EPC VALVE
PILOT PRESSURE CONTROL (PPC) SYSTEM
CONTROL VALVE
PW160-7E0
CLSS
OUTLINE OF CLSS
CENTre SWIVEL JOINT
TRAVEL PPC PEDAL
WORK EQUIPMENT . SWING PPC VALVE
SOLENOID VALVE MANIFOLD
SOLENOID VALVE BLOCK
2 Position 3 way valve
2 Position 4 way valve
attachment epc valve
BOOM SAFETY VALVE
HYDRAULIC CYLINDER
BOOM CYLINDER
ARM CYLINDER
BUCKET CYLINDER
ADJUST CYLINDER
OUTRIGGER CYLINDER
DOZER CYLINDER
WORK EQUIPMENT
Work Equipment
1. DIMENSION OF ARM
2. Dimension of bucket
AIR CONDITIONER
air conditioner piping
ELECTRICAL WIRING DIAGRAM
ELECTRICAL SYSTEM
Engine Control
Engine controller
CN-CE01 (*: Never connect to NC as malfunctions and errors occur)
CN-CE01 (*: Never connect to NC as malfunctions and errors occur)
CN-CE02 (*: Never connect to NC as malfunctions and errors occur)
CN-CE03(*: Never connect to NC as malfunctions and errors occur)
Engine throttle and pump controller
ELECTRONIC CONTROL SYSTEM
machine control system diagram
MACHINE MONITOR SYSTEM
MONITOR PANEL
LIQUID CRYSTAL MONITOR ADJUSTMENT SWITCH
OVERLOAD WARNING DEVICE
OUTLINE
SENSOR
1st ATTACHMENT CIRCUIT HYDRAULIC PERFORMANCE (MAIN
TRAVEL SYSTEM
TRAVEL CIRCUIT
oPERATIONAL AND CONTROL FEATURES
Operator’s Input via travel mode switch
OVERRUN PROTECTION. This is dealt with through the action of the counterbalance spool in the motor control block.When the machin...
STEERING SYSTEM
Operating principles
Dynamic Steering
2 - stage principle
SERVICE BRAKE AND SUSPENSION SYSTEM
bRAKING SYSTEM
operation
KOMTRAX terminal system
KOMTRAX terminal
20 TESTING AND ADJUSTING
STANDARD VALUE TABLE FOR ENGINE RELATED PARTS
STANDARD VALUE TABLE FOR CHASSIS RELATED PARTS
Flow control characteristic of PC valve (STD)
TESTING AND ADJUSTING
Measuring engine speed
Measuring intake air pressure (boost pressure)
MEASUREMENT OF EXHAUST GAS COLOUR
Adjusting valve clearance
Measuring compression pressure
MEASUREMENT OF BLOW-BY PRESSURE
Measuring engine oil pressure
CHECKING AND ADJUSTING AIR CONDITIONER COMPRESSOR BELT TENSION
Replacing the fan belt
Handling fuel system parts
Releasing residual pressure from fuel system
Measuring fuel pressure
Measuring fuel discharge, return and leakage
Bleeding air from fuel circuit
Checking fuel circuit for leakage
MEASUREMENT OF CLEARANCE IN SWING CIRCLE BEARINGS
INSPECTION AND ADJUSTMENT OF HYDRAULIC OIL PRESSURE IN HYDRAULIC CIRCUIT FOR WORK EQUIPMENT, SWING AND TRAVEL
INSPECTION AND ADJUSTMENT OF CONTROL CIRCUIT OIL PRESSURE
Procedure for pressure reducing adjustment
INSPECTION AND ADJUSTMENT OF PUMP PC (Valve INLET) CONTROL OIL PRESSURE
INSPECTION AND ADJUSTMENT OF PUMP LS valve CONTROL OIL PRESSURE
MEASUREMENT OF SOLENOID VALVE OUTPUT PRESSURE
6 - Stage solenoid block
4 - Stage solenoid block
2 - Stage solenoid block
MEASUREMENT OF PPC VALVE OUTPUT PRESSURE
ADJUSTMENT OF WORK EQUIPMENT AND SWING PPC VALVE
Measuring and adjusting quick coupler control valve output pressure
testing travel motor relief pressure
adjusting travel motor relief pressure
Testing propshaft speed
TESTING TRANSMISSION CLUTCH CONTROL CIRCUIT
INSPECTION OF LOCATIONS OF HYDRAULIC DRIFT OF WORK EQUIPMENT
RELEASE OF REMAINING PRESSURE IN HYDRAULIC CIRCUIT
MEASUREMENT OF OIL LEAKAGE AMOUNT
AIR BLEEDING OF VARIOUS PARTS
INSPECTION PROCEDURES FOR DIODE
SPECIAL FUNCTION OF MONITOR PANEL
OPERATION OF OPERATORS MENU AND DISPLAY (OUTLINE)
TABLE FOR FAILURE CODE NO.
OPERATION AND DISPLAY OF SERVICE MENU
Way of switching to Service Menu
Table for Monitoring Items
Procedure for turning on KOMTRAX terminal
KOMTRAX terminal lamp indications
Preparation work for troubleshooting of electrical system
PM - Tune up service
TROUBLESHOOTING
POINTS TO REMEMBER WHEN TROUBLESHOOTING
SEQUENCE OF EVENTS IN TROUBLESHOOTING
POINTS TO REMEMBER WHEN CARRYING OUT MAINTENANCE
CHECKS BEFORE TROUBLESHOOTING
CLASSIFICATION AND STEPS FOR TROUBLESHOOTING
Failure-looking Phenomenon and Troubleshooting No.
How to read electric wire code
CONNECTOR LOCATION CHART AND ELECTRICAL CIRCUIT DIAGRAM BY SYSTEM
CONNECTOR LOCATIONS
CONNECTION TABLE FOR CONNECTOR PIN NUMBERS
TROUBLESHOOTING WHEN FAILURE CODE IS INDICATED
Before carrying out troubleshooting when failure code is displayed
INFORMATION CONTAINED IN TROUBLESHOOTING TABLE
Relative Electrical Circuit Diagram
Failure code [CA111] EMC Critical Internal Failure
Failure code [CA115] Engine Neutral and Backup Speed Sensor Error
Failure code [CA122] Chg Air Press Sensor High Error
Failure code [CA123] Chg Air Press Sensor Low Error
Failure code [CA131] Throttle Sensor High Error
Failure code [CA132] Throttle Sensor Low Error
Failure code [CA144] Coolant Temp Sens High Error
Failure code [CA145] Coolant Temp Sens Low Error
Failure code [CA153] Chg Air Temp Sensor High Error
Failure code [CA154] Chg Air Temp Sensor Low Error
Failure code [CA155] Chg Air Temp High Speed Derate
Failure code [CA187] Sens Supply 2 Volt Low Error
Failure code [CA221] Ambient Press Sens High Error
Failure code [CA222] Ambient Press Sens Low Error
Failure code [CA227] Sens Supply 2 Volt High Error
Failure code [CA238] Ne Speed Sens Supply Volt Error
Failure code [CA271] IMV/PCV1 Short Error
Failure code [CA272] IMV/PCV1 Open Error
Failure code [CA322] Inj #1 (L#1) Open/Short Error
Failure code [CA324] Inj #3 (L#3) Open/Short Error
Failure code [CA331] Inj #2 (L#2) Open/Short Error
Failure code [CA332] Inj #4 (L#4) Open/Short Error
Failure code [CA342] Calibration Code Incompatibility
Failure code [CA351] Injectors Drive Circuit Error
Failure code [CA352] Sensor Supply 1 Volt Low Error
Failure code [CA386] Sens Supply 1 Volt High Error
Failure code [CA428] Water in Fuel Sensor High Error
Failure code [CA429] Water in Fuel Sensor Low Error
Failure code [CA435] Eng Oil Press Sw Error
Failure code [CA441] Battery Voltage Low Error
Failure code [CA442] Battery Voltage High Error
Failure code [CA449] Rail Press Very High Error
Failure code [CA451] Rail Press Sensor High Error
Failure code [CA452] Rail Press Sensor Low Error
Failure code [CA488] Chg Air Temp High Torque Derate
Failure code [CA553] Rail Press High Error
Failure code [CA559] Rail Press Low Error
Failure code [CA689] Eng Ne Speed Sensor Error
Failure code [CA731] Eng Bkup Speed Sens Phase Error
Failure code [CA757] All Continuous Data Lost Error
Failure code [CA778] Eng G Speed Sensor Error
Failure code [CA1633] KOMNET Datalink Timeout Error
Failure code [CA2185] Throttle Sensor Supply Voltage High Error
Failure code [CA2186] Throttle Sensor Supply Voltage Low Error
Failure code [CA2249] Rail Press Very Low Error
Failure code [CA2311] IMV Solenoid Error
Failure code [CA2555] Grid Htr Relay Volt High Error
Failure code [CA2556] Grid Heater Relay Volt Low Error
Failure Code [D110KB] (Short-circuiting in battery relay)
Failure code [D862KA] GPS Antenna Disconnection
Configuration diagram of KOMTRAX system
Failure Code [DA22KK] (Abnormality in pump pressure sensor)
Failure code [DA25KP] Press. Sensor Power Abnormality
Failure code [DA2RMC] Pump Comm. Abnormality
Failure Code [DA2SKQ] (Abnormality in inputting model code)
Failure Code [DA2SKQ] (Abnormality in inputting model code)
Failure code [DAFRMC] Monitor Comm. Abnormality
Failure code [DDC3KZ] Outrigger Switch Select Abnormality
Failure Code [DDP4KX] (Abnormality in travel PPC pressure switch)
Failure Code [DDWCKZ] (Abnormality in travel direction control switch)
Failure code [DFB1KZ] Service Lever Potentio 1 Abnormality
Failure code [DFB2KZ] Service Lever Potentio 2 Abnormality
Failure code [DFB3L8] Service Lever 1 Potentio Error
Failure code [DFB4L8] Service Lever 2 Potentio Error
Failure code [DGH2KB] Hydr Oil Sensor Short
Failure Code [DH1OKS] (Abnormality in Pressure sensor power source)
Failure code [DHPAMA] F Pump Press Sensor Abnormality
Failure Code [DHS5KX] (Abnormality in travel PPC sensor)
Failure Code [DHX1MA] (Abnormality in overload caution sensor)
Failure Code [DLT4KA] (Disconnection in transmission speed sensor in pump controller system)
Failure Code [DW27KA] (Disconnection in Transmission Clutch solenoid)
Failure Code [DW27KB] (Short-circuiting in Transmission Clutch solenoid)
Failure Code DW4AKA (Disconnection in suspension lock solenoid)
Failure Code [DW4AKB] (Short circuiting in suspension lock solenoid)
Failure Code [DW4CKA] (Disconnection in PPC lock solenoid)
Failure code [DW4CKB] PPC Lock Sol. S/C
Failure Code [DW4MKA] (Disconnection in Creep solenoid)
Failure Code [DW4MKB] (Short-circuiting in Creep solenoid)
Failure Code [DW44KA] (Disconnection of Travel F/R solenoid)
Failure Code [DW44KB] (Short-circuiting of Travel F/R solenoid)
Failure Code [DW45KA] (Disconnection in Swing Parking Brake solenoid)
Failure code [DW45KB] Swing Brake Sol. S/C
Failure Code [DW91KA] (Disconnection in Travel Neutral solenoid)
Failure Code [DW91KB] (Short-circuiting in Travel Neutral Solenoid)
Failure Code [DWK0KA] (Disconnection in 2-stage Relief solenoid)
Failure Code [DWK0KB] (Short-circuiting in 2-Stage Relief Solenoid)
Failure Code [DWK2KA] (Disconnection in 2-stage Back Pressure solenoid)
Failure Code [DWK2KB] (Short circuiting in 2-stage back pressure solenoid)
Failure Code [DXA0KA] (Disconnection in PC-EPC solenoid system)
Failure Code [DXA0KB] (Short-circuiting in PC-EPC solenoid)
Failure Code [DXE0KA] (Disconnection in LS-EPC solenoid system)
Failure Code [DXE0KB] (Short-circuiting in LS-EPC solenoid)
Failure code [DXE4KA] Service Current EPC1 Discon
Failure code [DXE4KB] Service Current EPC1 Short
Failure code [DXE7KA] Service Current EPC2 Discon
Failure code [DXE7KB] Service Current EPC2 Short
Failure code [DXE8KA] Service Current EPC3 Discon
Failure code [DXE8KB] Service Current EPC3 Short
Failure code [DXE9KA] Service Current EPC4 Discon
Failure code [DXE9KB] Service Current EPC4 Short
Failure code [DY20KA] Wiper Working Abnormality
Failure code [DY20MA] Wiper Parking Abnormality
Failure code [DY2CKB] Washer Drive S/C
Failure code [DY2DKB] Wiper Drive (For) S/C
Failure code [DY2EKB] Wiper Drive (Rev) S/C
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E-MODE)
INFORMATION CONTAINED IN TROUBLESHOOTING TABLE
E-1 Engine does not start (Engine does not rotate)
E-5 Auto-decelerator does not work
E-6 Auto engine warm-up device does not work
E-7 Preheater does not operate
E-8 All work equipment, swing and travel do not move
E-9 One-touch Power Max Switch does not work
E-10 No display in monitor panel at all
E-11 Part of display on monitor panel is missing
E-12 Monitor panel displays contents irrelevant to the model
E-13 Fuel level monitor red lamp lights up while engine is running
E-14 Engine coolant temperature gauge does not indicate normally
E-15 Hydraulic oil temperature gauge does not display correctly
E-16 Fuel gauge does not display correctly
E-17 Swing lock monitor does not display correctly
E-18 When the monitor switch is operated, no display appears
E-19 Windshield wiper and window washer do not operate
E-20 Alarm buzzer cannot be stopped
E-21 "Boom/Stabiliser RAISE" is not correctly displayed in monitor function
E-22 "Boom/Stabiliser LOWER" is not correctly displayed in monitor function
E-23 "Arm DIGGING" is not correctly displayed in monitor function
E-24 "Arm DUMPING" is not correctly displayed in monitor function
E-25 "Bucket DIGGING" is not correctly displayed in monitor function
E-26 "Bucket DUMPING" is not correctly displayed in monitor function
E-27 "SWING" is not correctly displayed in monitor function
E-28 "TRAVEL" is not correctly displayed in monitor function
E-29 "2 Piece Boom" is not correctly displayed in monitor function
E-30 Air Conditioner does not work
E-31 Travel reverse alarm does not sound
E-32 KOMTRAX system does not operate normally
TROUBLESHOOTING OF ELECTRICAL SYSTEM (Error checking of items without Monitor codes)
Relative Electrical Circuit Diagram
Radio Cassette & Telephone Socket
Electrical Circuit Diagram For Radio Cassette & Telephone Socket
PPC Lock Circuit
Circuit Diagram for PPC Lock Circuit
Brake Light Circuit
Circuit Diagram for Brake Light Circuit
Undercarriage Attachments - Mode Selection
Circuit Diagram for Undercarriage Attachments - Mode Selection
Undercarriage Attachments - Front Left Outrigger
Circuit Diagram for Undercarriage Attachments - Front Left Outrigger
Undercarriage Attachments - Front Right Outrigger
Circuit Diagram for Undercarriage Attachments - Front Right Outrigger
Undercarriage Attachments - Rear Left Outrigger
Undercarriage Attachments - Rear Right Outrigger
Circuit Diagram for Undercarriage Attachments - Rear Right Outrigger
Heated Seat Does Not Warm Up
Circuit Diagram for the Heated Seat
Suspension Lock
Circuit Diagram for Suspension Lock
Lower Wiper Does Not Work (Optional Fitment)
Circuit Diagram for Lower Wiper
Work Lights (Operator Cab Front Left)
Work Lights (Operator Cab Front Right)
Work Lights (Operator Cab Rear)
Circuit Diagram for Work Lights
Worklights (Boom, Arm & Counterweight)
Circuit Diagram for Worklights (Boom & Counterweight)
Cab and Counterweight Beacon Light
Circuit Diagram for Cab & Counterweight Beacon Light
Air Seat Compressor (Option - Air Suspension Seat)
Circuit Diagram for Air Seat Compressor (Option - Air Suspension Seat)
Operator Cab Interior Light
Circuit Diagram for Operator Cab Interior Light
Cigar Lighter
Circuit Diagram for Cigar Lighter
Park Brake (Not Activating)
Circuit Diagram for Park Brake
Park Brake (Displayed Symbol)
Circuit Diagram for Park Brake
RH PPC Lever Clamshell Roller Switch Pushed to the LH Position
Circuit Diagram for Clamshell Control
RH PPC Lever Clamshell Roller Switch Pushed to the RH Position
Circuit Diagram for Clamshell Control
RH PPC Lever Clamshell Roller Switched Pushed to the RH or LH
Circuit Diagram for Clamshell Control
Horns
Circuit Diagram for Horn
Swing Lock - Normal Operation
Circuit Diagram for Swing Lock
Swing Lock - Emergency Operation
Circuit Diagram for Swing Lock - Emergency Operation
Neutral Start (Engine)
Neutral Start (Engine) cont’d (A)
Neutral Start (Engine) cont’d (B)
Neutral Start (Engine) cont’d (C)
Circuit Diagram for Neutral Start (Engine)
Emergency Travel Control - Forward
Circuit Diagram for Travel Direction Control
Emergency Travel Control - Neutral
Circuit Diagram for Travel Direction Control
Emergency Travel Control - Reverse
Emergency Travel Control - Reverse cont’d
Circuit Diagram for Travel Direction Control
Driving Lights - Main Beam
Circuit Diagram for Driving Lights
Driving Lights - Main Beam Flash
Circuit Diagram for Driving Lights
Driving Lights - Main Beam Dipped
Circuit Diagram for Driving Lights
Driving Lights - Position Lights
Circuit Diagram for Driving Lights
Driving Lights - Position Lights cont’d (1) and (2)
Circuit Diagram for Driving Lights
Indicators - Right Hand
Circuit Diagram for Indicators & Hazard Warning
Indicators - Left Hand
Circuit Diagram for Indicators & Hazard Warning
Hazard Warning Lights
Circuit Diagram for Indicators & Hazard Warning
Hazard Warning Lights cont’d (A)
Circuit Diagram for Indicators & Hazard Warning
Swing Lock Proximity Switch
Brake and Swing Lock Proximity Switches
TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (H-MODE)
SYSTEM CHART FOR HYDRAULIC AND MECHANICAL SYSTEMS
INFORMATION CONTAINED IN TROUBLESHOOTING TABLE
Quick coupler
30 DISASSEMBLY AND ASSEMBLY
HOW TO READ THIS MANUAL
REMOVAL AND INSTALLATION OF ASSEMBLIES
DisassemblY and assemblY OF assemblIES
SPECIAL TOOLS
SKETCHES
LIST OF TOOLS
PRECAUTIONS WHEN PERFORMING OPERATION
STARTING MOTOR ASSEMBLY
FUEL Supply PUMP assembly
FUEL INJECTOR ASSEMBLY
FRONT OIL SEAL
REAR OIL SEAL
CYLINDER HEAD ASSEMBLY
COMBINATION COOLER
FUEL COOLER ASSEMBLY
ENGINE AND HYDRAULIC PUMP ASSEMBLIES
TRAVEL MOTOR ASSEMBLY
TRAVEL MOTOR ASSEMBLY
SWING MOTOR AND SWING MACHINERY ASSEMBLY
SWING MACHINERY ASSEMBLY
SWING MOTOR ASSEMBLY
FRONT AXLE ASSEMBLY
FRONT AXLE ASSEMBLY
REAR AXLE AND TRANSMISSION ASSEMBLY
REAR AXLE ASSEMBLY
TRANSMISSION ASSEMBLY
PROPSHAFT ASSEMBLY
WHEEL ASSEMBLY
SUSPENSION LOCK CYLINDER ASSEMBLY
SUSPENSION LOCK CYLINDERS ASSEMBLY
OUTRIGGER ASSEMBLY
OUTRIGGER ASSEMBLY
DOZER BLADE
DOZER BLADE ASSEMBLY
SWING CIRCLE ASSEMBLY
REVOLVING FRAME ASSEMBLY
CENTRE SWIVEL JOINT ASSEMBLY
CENTRE SWIVEL JOINT ASSEMBLY
HYDRAULIC TANK ASSEMBLY
FUEL TANK ASSEMBLY
CONTROL VALVE ASSEMBLY
LS SEPARATION VALVE ASSEMBLY
PRESSURE COMPENSATION VALVE ASSEMBLY
MAIN RELIEF VALVE ASSEMBLY
LS CONTROL EPC VALVE ASSEMBLY
EPC SOLENOID VALVE ASSEMBLY
4 STATION PPC SOLENOID VALVE BLOCK ASSEMBLY
MANIFOLD BLOCK ASSEMBLY
OIL SEAL IN HYDRAULIC PUMP INPUT SHAFT
WORK EQUIPMENT PPC VALVE ASSEMBLY
HYDRAULIC CYLINDER ASSEMBLY
MONOBOOM WORK EQUIPMENT ASSEMBLY
2 PIECE BOOM WORK EQUIPMENT ASSEMBLY
AIR CONDITIONER UNIT ASSEMBLY
COUNTERWEIGHT ASSEMBLY
OPERATOR CAB ASSEMBLY
MONITOR ASSEMBLY
GOVERNOR / PUMP CONTROLLER ASSEMBLY
KOMTRAX TERMINAL
ENGINE CONTROLLER
90 OTHERS
Mono boom
Two plece boom
Hydraulic circuit diagram 1/3
Hydraulic circuit diagram 2/3
Hydraulic circuit diagram 3/3
Electrical circuit diagram 1/7
Electrical circuit diagram 2/7
Electrical circuit diagram 3/7
Electrical circuit diagram 4/7
Electrical circuit diagram 5/7
Electrical circuit diagram 6/7
Electrical circuit diagram 7/7
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Komatsu PW160-7E0 Hydraulic Excavator Shop Manual (H55051 and up) - VEBM395100.pdf