Komatsu PC240LC-10 - Service Repair Manual - Wiring Diagrams

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KOMATSU PC240LC-10 - WORKSHOP, SERVICE, REPAIR MANUAL - WIRING DIAGRAMS

- English Service Manual and Wiring Diagrams, for Komatsu PC240LC-10.
 

CONTENTS:

00 - FOREWORD
- GENERAL
- HOW TO READ THE SHOP MANUAL
- Volumes
- Distribution And Updating
- Filing Method
- Revised Edition Mark
- Revisions
- Symbols
- HOISTING INSTRUCTIONS
- Hoisting
- Making Signs
- Precautions
- Selecting Wire Ropes
- HANDLING ELECTRIC EQUIPMENT AND HYDRAULIC COMPONENTS
- Points to Remember When Handling Electric Equipment
- Points to Remember When Handling Hydraulic Equipment
- PUSH PULL COUPLER
- Type 1
- Type 2
- Type 3
- EXPLANATION OF MAINTENANCE STANDARD TERMS
- HANDLING OF FUEL SYSTEM DEVICES
- HANDLING OF INTAKE SYSTEM PARTS
- STANDARD TIGHTENING TORQUE
- Bolts And Nuts
- Tightening Torque Of Hose Nuts
- Tightening Torque Of Split Flange Bolts
- Tightening Torque For Flared Nuts
- Tightening Torques for Split Flanged Bolts
- Tightening Torques For O-ring Boss Piping Joints
- Table Of Tightening Torques For O-ring Boss Plugs
- Tightening Torque For Hoses (Taper Seal Type And Face Seal Type)
- ELECTRIC WIRE CODE
- Classification By Thickness
- Classification By Color And Code
- How To Read Electric Wire Code
- PRECAUTIONS FOR OPERATIONS
- Precautions when Carrying Out Removal Work
- Precautions when Carrying Out Installation Work
- Precautions when Completing the Operation
- CONVERSION TABLES
- Method Of Using The Conversion Table
- COATING MATERIALS
- LIST OF ABBREVIATIONS
- List of Abbreviations Used in the Shop Manual
- List of Abbreviations Used in the Circuit Diagrams
- Safety Notice
- Important Safety Notice
- General Precautions
- Preparations For Work
- Precautions During Work
01 - GENERAL
- SPECIFICATION DIMENSION DRAWINGS
- Dimensions
- Working Ranges
- SPECIFICATIONS
- WEIGHT TABLE
- FUEL, COOLANT AND LUBRICANTS
- Lubrication Chart
10 - STRUCTURE AND FUNCTION
- ENGINE AND COOLING SYSTEM
- Engine Related Parts
- Radiator, Oil Cooler, Aftercooler, and Fuel Cooler
- POWER TRAIN
- Power Train
- Swing Machinery
- Swing Circle
- Final Drive
- UNDERCARRIAGE AND FRAME
- Track Frame and Idler Cushion
- HYDRAULIC SYSTEM
- Hydraulic Equipment Layout
- Valve Control
- Hydraulic Tank
- Oil Filler Cap
- CLSS
- Main Pump
- Control Valve
- Functions and Operation by Valve
- Swing Motor
- Travel Motor
- PPC Valve
- Solenoid Valve
- Attachment Circuit Selector Valve (For High Pressure Circuit) (If Equipped)
- Attachment Circuit Selector Valve (For Low Pressure Circuit) (If Equipped)
- Center Swivel Joint
- Accumulator
- WORK EQUIPMENT
- Work Equipment
- Work Equipment Shim
- Bucket Play Adjustment Shim
- CAB AND ITS ATTACHMENTS
- Cab Mount and Cab Tipping Stopper
- ROPS Cab
- ELECTRICAL SYSTEM
- Electrical Control System
- System Component Part
- MACHINE MONITOR SYSTEM
- Machine Monitor
- Switches
- KOMTRAX SYSTEM
- KOMTRAX terminal
- Input and Output Signals
- SENSORS
- Ambient Pressure Sensor
- Charge (Boost) Pressure and Temperature Sensor
- Coolant Temperature Sensor
- Ne (Crankshaft) Speed Sensor
- Bkup (Camshaft) Speed Sensor
- Common Rail Pressure Sensor
- Exhaust Manifold Pressure Sensor
- EGR Orifice Temperature Sensor
- EGR Valve Lift Sensor
- Turbo Speed Sensor
- KVGT Position Sensor
- Mass Air Flow and Temperature Sensor
- KDPF Differential Pressure and Outlet Pressure Sensor
- KDOC Inlet Temperature Sensor
- KDOC Outlet Temperature Sensor
- KDPF Outlet Temperature Sensor
- Crankcase Pressure Sensor
- Engine Oil Level Sensor
- Fuel Level Sensor
- Coolant Level Sensor
- Hydraulic Oil Temperature Sensor
- Front Pump Oil Pressure Sensor
- Rear Pump Oil Pressure Sensor
- PPC Oil Pressure Sensor
- Air Cleaner Clogging Sensor
- Front Pump Swash Plate Sensor
- Rear Pump Swash Plate Sensor
- Water-In-Fuel Sensor
20 - STANDARD VALUE TABLES
- STANDARD SERVICE VALUE TABLES
- Standard Value Table for Engine Related Parts
- Standard Value Table for Chassis Related Parts
- Posture of Machine for Measuring Performance and Measurement Procedure
30 - TESTING AND ADJUSTING
- GENERAL INFORMATION ON TESTING AND ADJUSTING
- Tools for Testing, Adjusting, and Troubleshooting
- Sketch of Tools for Testing and Adjusting
- ENGINE AND COOLING SYSTEM
- Checking Engine Speed
- Measuring Boost Pressure
- Measuring Exhaust Gas Color
- Measuring and Adjusting Valve Clearance
- Measuring Compression Pressure
- Measuring Blow-By Pressure
- Measuring Engine Oil Pressure
- Measuring EGR Valve and KVGT Oil Pressure
- Measuring Fuel Pressure
- Measuring Fuel Delivery, Return and Leakage
- Bleeding Air from Fuel System
- Checking Fuel Circuit for Leakage
- Handling Cylinder Cut-Out Mode Operation
- Handling No-Injection Cranking Operation
- Checking and Adjusting Air Conditioner Compressor Belt Tension
- Replacing Fan Belt
- POWER TRAIN
- Testing Swing Circle Bearing Clearance
- UNDERCARRIAGE AND FRAME
- Testing and Adjusting Track Shoe Tension
- HYDRAULIC SYSTEM
- Releasing Remaining Pressure from Hydraulic Circuit
- Measuring and Adjusting of Oil Pressure in Work Equipment, Swing, and Travel Circuits
- Measuring Oil Pressure in Control Circuit
- Measuring and Adjusting Oil Pressure in Pump PC Control Circuit
- Measuring and Adjusting Oil Pressure in Pump LS Control Circuit
- Measuring Solenoid Valve Output Pressure
- Measuring PPC Valve Output Pressure
- Adjusting Play of Work Equipment and Swing PPC Valves
- Testing Pump Swash Plate Sensor
- Isolating the Parts Causing Hydraulic Drift in Work Equipment
- Measuring Oil Leakage
- Bleeding Air From Hydraulic Circuit
- CAB AND ITS ATTACHMENTS
- Checking Cab Tipping Stopper
- Adjusting Mirrors
- ELECTRICAL SYSTEM
- Special Functions of Machine Monitor
- Ordinary Functions and Special Functions of Machine Monitor
- Display of KOMATSU Logo
- Display of Inputting Password
- Display of Check of Breaker Mode
- Display of Check Before Starting
- Display of Warning After Check Before Starting
- Display of Ending of Maintenance Interval
- Display of Check of Working Mode and Travel Speed
- Display of Standard Screen
- Display of End Screen
- Display of Engine Shutdown Secondary Switch Screen
- Selection of Auto-Deceleration
- Selection of Working Mode
- Selection of Travel Speed
- Operation to Stop Alarm Buzzer
- Operation of Windshield Wiper
- Operation of Window Washer
- Operation of Air Conditioner/Heater
- Operation to Display Camera Mode (If Camera is Installed)
- Operation to Display Clock and Service Meter
- Check of Maintenance Information
- Setting and Display of User Mode (Including KOMTRAX Messages for User)
- Display of ECO Guidance
- Display of Caution Monitor
- Display of KDPF Regeneration
- Display of Action Level and Failure Code
- Function of Checking Display of LCD (Liquid Crystal Display)
- Function of Checking Service Meter
- Function of Changing Attachment/Maintenance Password
- Monitoring / Pre-Defined
- Monitoring / Custom
- Monitoring Items Table
- Abnormality Record (Mechanical Systems)
- Abnormality Record (Electrical Systems)
- Maintenance Record
- Maintenance Mode Setting
- Phone Number Entry
- Default (Key-On Mode)
- Default (Unit)
- Default (With/Without Attachment)
- Default (Camera)
- Diagnostic Tests (Cylinder Cut-out)
- Diagnostic Tests (Regeneration for Service)
- Diagnostic Tests (KDPF Memory Reset)
- Adjustment (Pump Absorption Torque (F))
- Adjustment (Pump Absorption Torque (R))
- Adjustment (Low Speed)
- Adjustment (Attachment Flow Adjustment)
- Adjustment (Cal F Pump Swash Plate Sensor)
- Adjustment (Cal R Pump Swash Plate Sensor)
- Adjustment (Pump Calibration: Matching Speed Calibration)
- Adjustment (Pump Calibration: Matching Speed Check)
- No Injection
- KOMTRAX Settings (Terminal Status)
- KOMTRAX Settings (GPS and Communication Status)
- KOMTRAX Settings (Modem Information)
- Service Message
- Angle Adjustment of Rear View Camera
- Handling Voltage Circuit of Engine Controller
- Handling Battery Disconnect Switch
- Testing Diodes
- PM CLINIC
- PM Clinic Service
- Check Sheet
40 - TROUBLESHOOTING
- GENERAL INFORMATION ON TROUBLESHOOTING
- Points to Remember When Troubleshooting
- Sequence of Events in Troubleshooting
- Checks Before Troubleshooting
- Testing Procedure Before Troubleshooting
- Check of Water Separator, and Drainage of Water and Sediments
- Replacing Fuel Pre-Filter Cartridge
- Preparation Work for Troubleshooting of Electrical System
- Classification and Procedure for Troubleshooting
- Symptom of Probable Failure and Troubleshooting No.
- Information Mentioned in Troubleshooting Table
- Diagnostic Procedure for Wiring Harness Open Circuit of Pressure Sensor System
- Connection Table for Connector Pin Numbers
- T-Branch Box and T-Branch Adapter Table
- Fuse List and Location
- Precautions for Cleaning and Replacing KDPF (KCSF, KDOC)
- TROUBLESHOOTING BY FAILURE CODE (DISPLAY OF CODE)
- Failure Codes Table
- Failure Code [879AKA] A/C Inner Sensor Open Circuit
- Failure Code [879AKB] A/C Inner Sensor Short Circuit
- Failure Code [879BKA] A/C Outer Sensor Open Circuit
- Failure Code [879BKB] A/C Outer Sensor Short Circuit

AND MORE....