The Komatsu PC490LCI-11 Crawler Excavator is a large track machine used for heavy digging, bulk earthmoving, and precision grade work with the intelligent control system. People who reach for the Komatsu PC490LCI-11 Crawler Excavator Shop Manual (SEN06944-07) are usually shop mechanics, field techs, and serious owner-operators. They’re trying to sort hard faults, rebuild major components, and get past what the basic operation and maintenance book can tell them.
What this manual helps you do
- Diagnose engine, hydraulic, and electrical issues using the test points and step-by-step troubleshooting trees you’d expect in a factory shop manual.
- Trace intelligent control and sensor problems on the PC490LCI-11, including wiring routes and typical failure points for the machine control side.
- Follow disassembly and assembly sequences for major components like the travel system, swing machinery, boom/arm cylinders, and main pumps.
- Check adjustment procedures for machine settings, linkages, and control systems so the excavator digs straight, holds grade, and responds correctly.
- Verify where to support, lift, and block the machine safely during big repairs, the way most dealer workshops are set up to do it.
Who this is for
This is aimed at field techs, dealer or independent shop mechanics, and fleet maintenance managers who actually tear into machines. If you’re just running the excavator or doing daily/250‑hour services, you probably want the Operation & Maintenance Manual instead of this shop manual.
FAQ
Q: Is this a PDF I can download and search?
A: Yes, it’s a PDF you can download, search by keyword, and print specific sections for use in the shop.
Q: Is the detail enough for full rebuilds, or just basic service?
A: This kind of shop manual usually covers diagnostic procedures, disassembly/assembly, and adjustment work for workshop-level repairs on the PC490LCI-11.
Q: How do I know if it matches my exact machine version?
A: Check your machine’s ID plate and confirm it’s a PC490LCI-11; SEN06944-07 is the factory shop manual reference typically used for that model variant.
Bottom line: If you’re doing real repairs on a PC490LCI-11 and need factory-style procedures, this is the right manual; if you just want operating tips and basic maintenance, keep looking for the O&M book.
📘 Show Index
Table of Contents:
- 00 Index and Foreword
- Index
- Abbreviation List
- Foreword, Safety, Basic Information
- How to Read the Shop Manual
- Safety Notice for Operation
- Precautions to Prevent Fire
- Procedures If Fire Occurs
- Precautions for Disposing of Waste Materials
- Engine Technology to Conform Exhaust Gas Emission
- Precautions for DEF
- General Character and Precautions for Handling
- Precautions for Adding
- Precautions for Storage
- Precautions for Fire Hazard and Leakage
- Other Precautions
- Store DEF
- Precautions When You Handle Hydraulic Equipment
- Precautions When You Disconnect and Connect Pipings
- Precautions When You Handle Electrical Equipment
- Precautions When You Handle Fuel System Equipment
- Precautions When You Handle Intake System Equipment
- Practical Use of KOMTRAX
- Disconnect and Connect Push-Pull Type Coupler
- How to Disconnect and Connect Type 1 Push-Pull Type Coupler
- How to Disconnect and Connect Type 2 Push-Pull Type Coupler
- How to Disconnect and Connect Type 3 Push-Pull Type Coupler
- Precautions for Disconnection and Connection of Connectors
- How to Disconnect and Connect Deutsch Connector
- How to Disconnect and Connect Slide Lock Type Connector
- How to Disconnect and Connect Connector with Lock to Pull
- How to Disconnect and Connect Connector with Lock to Push
- How to Disconnect and Connect Connector with Housing to Rotate
- How to Read the Codes for Electric Cable
- Explanation of Terms for Maintenance Standard
- Standard Tightening Torque Table
- Conversion Table
- 01 Specifications
- Table of Contents
- Specifications
- Specification Drawing
- Specification Drawing: PC490LCI-11
- Working Range Drawings
- Working Range: PC490LCI-11
- Specifications
- Specifications: PC490LCI-11
- Weight Table
- Weight Table: PC490LCI-11
- Table of Fuel, Coolant, and Lubricants
- 10 Structure and Function
- Table of Contents
- Urea SCR System
- Layout Drawing of Urea SCR System (Applicable Machine: 85001 to 86052)
- Layout Drawing of Urea SCR System (Applicable Machine: 86053 to 86205)
- Layout Drawing of Urea SCR System (Applicable Machine: 86206 and up)
- Urea SCR System Diagram
- Function of Urea SCR System
- Function of DEF System (Applicable Machine: 85001 to 86052)
- Function of DEF System (Applicable Machine: 86053 and Up)
- Inducement Strategy
- Component Parts of Urea SCR System
- DEF Mixing Tube
- SCR Assembly
- DEF Tank
- DEF Pump
- DEF Injector
- DEF Hose
- DEF Tank Heating Valve
- Boot-up System
- Layout Drawing of Boot-up System
- System Operating Lamp System
- System Diagram of System Operating Lamp System
- Function of Operation Lamp System (Applicable Machine: 86044 to 87000)
- Function of Operation Lamp System (Applicable Machine: 87001 and Up)
- Battery Isolator
- Function of Battery Isolator (Applicable Machine: 86044 to 87000)
- Function of Battery Isolator (Applicable Machine: 87001 and Up)
- Engine System
- Layout Drawing of Engine System (Applicable Machine: 85001 to 86205)
- Specifications of Engine System (Applicable Machine: 85001 to 86205)
- Function of Engine System (Applicable Machine: 85001 to 86205)
- Layout Drawing of Engine System (Applicable Machine: 86206 and up)
- Specifications of Engine System (Applicable Machine: 86206 and up)
- Function of Engine System (Applicable Machine: 86206 and up)
- Engine Control System
- System Diagram of Engine Control
- Function of Engine Control System
- Auto-Deceleration System
- System Diagram of Auto-Deceleration System
- Function of Auto-Deceleration System
- Operation of Auto-Deceleration System
- Engine Automatic Warm-up System
- System Diagram of Engine Automatic Warm-up System
- Function of Engine Automatic Warm-up System
- Overheat Prevention System
- Overheat Prevention System Diagram
- Function of Overheat Prevention System
- Turbocharger Protection System
- System Diagram of Turbocharger Protection System
- Function of Turbocharger Protection System
- Automatic Idle Stop System
- System Diagram of Automatic Idle Stop System
- Function of Automatic Idle Stop System
- Component Parts of Engine System
- VGT
- EGR System
- EGR Valve
- EGR Cooler
- KCCV System
- KCCV Ventilator
- KDPF
- Cooling System
- Layout Drawing of Cooling System
- Specifications of Cooling System
- Fan Speed Control System of Hydraulic Fan
- Fan Speed Control System Diagram of Hydraulic Fan
- Function of Fan Speed Control System of Hydraulic Fan
- Engine Output Control System of Hydraulic Fan
- Engine Output Control System Diagram of Hydraulic Fan
- Function of Engine Output Control System of Hydraulic Fan
- Fan Reverse Rotation System of Hydraulic Fan
- Fan Reverse Rotation System Diagram of Hydraulic Fan
- Function of Fan Reverse Rotation System of Hydraulic Fan
- Component Parts of Cooling System
- Cooling Fan Pump
- Cooling Fan Motor
- Control System
- Layout Drawing of Control System
- Machine Monitor System
- System Diagram of Machine Monitor System (Applicable Machine: 86044 to 87000)
- System Diagram of Machine Monitor System (Applicable Machine: 87001 and Up)
- Function of Machine Monitor System
- KomVision System
- Layout Drawing of KomVision System
- System Diagram of KomVision System
- Function of KomVision System
- KOMTRAX System
- System Diagram of KOMTRAX System
- Function of KOMTRAX System
- PPC Levers
- LH PPC Lever
- RH PPC Lever
- Component Parts of Control System
- Machine Monitor
- KomVision Controller
- KomVision Camera
- Gateway Function Controller
- Communication Terminal
- Pump Controller
- Resistor for PC-EPC Valve
- CAN Terminating Resistor
- PPC Oil Pressure Switch
- Engine Controller
- Fuel Control Dial
- Fuel Feed Pump
- Fuel Feed Pump Switch
- Hydraulic System
- Layout Drawing of Hydraulic System
- CLSS
- Structure of CLSS
- Operation of Unload Valve and LS Pressure
- Pump Swash Plate Angle (Oil Flow) Control
- Pressure Compensation Control
- Engine and Pump Combined Control System
- Engine and Pump Combined Control System Diagram
- Function of Engine and Pump Combined Control System
- Pump and Valve Control System
- Pump and Valve Control System Diagram
- Function of Pump and Valve Control System
- Component Parts of Hydraulic System
- Hydraulic Tank
- Main Pump
- Pilot Oil Filter
- Control Valve
- Work Equipment System
- Layout Drawing of Work Equipment System
- Structure of Valve Control
- Bucket Control System
- Operation of Bucket Control System
- One-Touch Power Maximizing System
- System Diagram of One-Touch Power Maximizing System
- Function of One-Touch Power Maximizing System
- Machine Push-up System
- Machine Push-up System Diagram
- Function of Machine Push-up System
- PPC Lock System
- System Diagram of PPC Lock
- Function of PPC Lock System
- Work Equipment and Travel Automatic Lock System
- System Diagram of Lock Lever Automatic Lock System
- Function of Work Equipment and Travel Automatic Lock System
- Operation of Lock Lever Automatic Lock System
- Attachment Oil Flow Adjuster System
- Attachment Oil Flow Adjuster System Diagram
- Function of Attachment Oil Flow Adjuster System
- Quick Coupler Control Valve System
- Quick Coupler Control Valve System Diagram
- Function of Quick Coupler Control Valve System
- Operation of Quick Coupler Control Valve System
- Component Parts of Work Equipment System
- Work Equipment and Swing PPC Valve
- 1st-Line Attachment PPC Valve (with EPC Valve)
- Solenoid Valve
- Boom Anti-drop Valve
- Arm Anti-Drop Valve
- Attachment Circuit Selector Valve
- Pilot Circuit Accumulator
- Attachment Circuit Accumulator
- ICT System
- Layout Drawing of ICT System
- System Diagram of ICT Control System
- Bucket Edge Position Detection System
- Bucket Edge Position Detection System Diagram
- Function of Bucket Edge Position Detection System
- Operation of Bucket Edge Position Detection System
- The Intelligent Machine Control System
- Function of Intelligent Machine Control System
- Auto Grade Assist Control
- Bucket Angle Hold Control
- Auto Stop Control
- Tilt Automatic Control (Machines with Auto Tilt Bucket)
- Cushion System for Arm IN End
- Cushion System for Arm IN End Diagram
- Function of Cushion System for Arm IN End
- Operation of Cushion System for Arm IN End
- Boom Secondary Drive Switch
- Control Function When Boom Secondary Drive Switch is Turned to ON Position
- Component Parts of ICT System
- ICT Sensor Controller
- Work Equipment Controller
- Control Box
- GNSS Receiver
- GNSS Antenna
- IMU Sensor
- Intelligent Machine Control EPC Valve
- Stroke Sensor for Boom Cylinder
- Stroke Sensor for Arm Cylinder
- Stroke and Reset Sensor for Bucket Cylinder
- Reset Sensor for Boom Cylinder
- Reset Sensor for Arm Cylinder
- Boom Spool Stroke Sensor
- Arm Spool Stroke Sensor
- Swing System
- Layout Drawing of Swing System
- Swing Control System Diagram
- Function of Swing Control System
- Component Parts of Swing System
- Swing Motor
- Swing Machinery
- Swing Circle
- Travel System
- Layout Drawing of Travel System
- System Diagram of Travel Control System
- Function of Travel Control System
- Component Parts of Travel System
- Travel Motor
- Final Drive
- Travel PPC Valve
- Center Swivel Joint
- Undercarriage and Frame
- Layout Drawing of Undercarriage
- Specifications of Undercarriage
- Work Equipment
- Structure of Work Equipment
- Function of Work Equipment
- Work Equipment Clearance Adjustment Shim
- Function of Work Equipment Clearance Adjustment Shim
- Bucket Clearance Adjustment Shim
- Function of Bucket Clearance Adjustment Shim
- CAB Related Parts
- ROPS CAB
- Structure of ROPS CAB
- Function of ROPS CAB
- CAB Mount
- Structure of CAB Mount
- Function of CAB Mount
- CAB Tipping Stopper
- Structure of CAB Tipping Stopper
- Function of CAB Tipping Stopper
- 20 Standard Value Table
- Table of Contents
- Standard Value Table for Engine
- Standard Value Table for Engine: PC490LCI-11
- Standard Value Table for Machine
- Standard Value Table for Machine: PC490LCI-11
- Machine Posture and Procedures to Measure Performance
- 30 Testing and Adjusting
- Table of Contents
- Precautions Before Work
- Related Information on Testing and Adjusting
- Tools for Testing and Adjusting
- Sketch of Tools for Testing and Adjusting
- Engine and Cooling System
- Examine Engine Speed
- How to Examine Engine Speed
- Examine Boost Pressure
- How to Examine Boost Pressure on Machine Monitor
- How to Examine Boost Pressure by Testing Tool
- Examine Exhaust Gas Color
- How to Examine Exhaust Gas Color with the Handy Smoke Checker
- How to Examine Exhaust Gas Color with Smoke Meter
- Examine Mass Air Flow and Temperature Sensor
- How to Examine Mass Air Flow and Temperature Sensor
- Examine and Adjust Valve Clearance
- How to Examine Valve Clearance
- How to Adjust Valve Clearance
- Examine Compression Pressure
- How to Examine Compression Pressure
- Examine Blowby Pressure
- How to Examine Blowby Pressure
- Examine Engine Oil Pressure
- How to Examine Engine Oil Pressure on Machine Monitor
- How to Examine Engine Oil Pressure by Testing Tool
- Examine EGR Valve and VGT Oil Pressure
- How to Examine EGR Valve and VGT Oil Pressure
- Examine Fuel Pressure
- How to Examine Fuel Pressure
- Examine Fuel Return Rate and Leakage
- How to Examine Fuel Return Rate and Leakage
- Bleed Air from Fuel System
- How to Bleed Air from Fuel System
- Examine Fuel Circuit for Leakage
- How to Examine Fuel System for Leakage
- Handle Cylinder Cut-out Mode Operation
- Handle No-Injection Cranking Operation
- Examine and Adjust Air Conditioner Compressor Belt Tension
- How to Examine Air Conditioner Compressor Belt Tension
- How to Adjust Air Conditioner Compressor Belt Tension
- Examine Alternator Belt
- How to Examine Alternator Belt
- Examine Automatic Tensioner
- How to Examine Automatic Tensioner
- Clean Fuel Doser
- Write Injector Compensation Value to Engine Controller
- How to Write Injector Compensation Value
- Correct Soot Accumulation Correction Value by Ash Influence
- How to Correct Soot Accumulation Correction Value by Ash Influence
- Examine SCR Related Functions
- Examine DEF Pump Raised Pressure
- Examine Injection Volume from DEF Injector
- Examine DEF Line Heater Relay 1
- Examine DEF Line Heater Relay 2
- Examine DEF Pump Heater Relay
- Examine DEF Tank Heater Valve
- Examine SCR Denitration Efficiency
- Clean DEF Tank
- Clean DEF Pump
- Power Train
- Examine Swing Circle Bearing Clearance
- How to Examine Swing Circle Bearing Clearance
- Undercarriage and Frame
- Examine and Adjust Track Tension
- How to Examine Track Tension
- How to Adjust Track Tension
- Hydraulic System
- Release Remained Pressure in Hydraulic Circuit
- How to Release Remained Pressure from Hydraulic Circuit
- Examine and Adjust Oil Pressure in Work Equipment, Swing, and Travel Circuits
- How to Examine Oil Pressure in Work Equipment, Swing, and Travel Circuits
- How to Adjust Oil Pressure in Work Equipment, Swing, and Travel Circuits
- Examine Oil Pressure of Control Circuit
- How to Examine Oil Pressure in Control Circuit
- Examine and adjust oil pressure in pump PC control circuit
- Examine PC Valve Outlet Pressure (Servo Piston Inlet Pressure)
- Examine PC-EPC Valve Outlet Pressure
- How to Adjust Oil Pressure in Pump PC Control Circuit
- Examine and Adjust Oil Pressure in Pump LS Control Circuit
- How to Examine LS Differential Pressure with Machine Monitor
- How to Examine LS Differential Pressure by Testing Tool
- How to Examine LS Valve Outlet Pressure (Servo Piston Inlet Pressure)
- How to Examine LS-EPC Valve Outlet Pressure
- How to Adjust LS Valve
- Examine Outlet Pressure of Solenoid Valve
- How to Examine Outlet Pressure of Solenoid Valve
- Operating Condition of Solenoid Valve
- Examine PPC Valve Outlet Pressure
- How to Examine Outlet Pressure in PPC Valve
- Adjust Play of Work Equipment and Swing PPC Valves
- How to Adjust Play of Work Equipment and Swing PPC Valves
- Test Outlet Pressure of Quick Coupler Control Valve
- Examine Pump Swash Plate Sensor
- How to Examine pump swash plate sensor
- Examine Cooling Fan Speed
- How to Examine Cooling Fan Speed
- Examine Oil Pressure in Fan Pump Circuit
- How to Examine Oil Pressure in Fan Pump Circuit
- Examine Fan Pump EPC Electric Current
- How to Examine Fan Pump EPC Electric Current
- Examine Fan Pump EPC Solenoid Valve Outlet Pressure
- How to Examine Fan Pump EPC Solenoid Valve Outlet Pressure
- Examine Parts Which Cause Hydraulic Drift of Work Equipment
- How to Examine Parts Which Cause Hydraulic Drift of Boom Cylinder and Bucket Cylinder
- How to Examine the Parts Which Cause Hydraulic Drift of Arm Cylinder
- How to Examine Parts that Cause Hydraulic Drift of PPC Valve
- Examine Oil Leakage
- Examine Oil Leakage from Boom Cylinder
- Examine Oil Leakage of Arm Cylinder
- Examine Oil Leakage of Bucket Cylinder
- How to Examine Oil Leakage of Swing Motor
- How to Examine Oil Leakage of Travel Motor
- Bleed Air from Hydraulic Circuit
- How to Bleed Air from Hydraulic System
- Work Equipment
- Examine and Charge Accumulator (Made by NOK) Nitrogen Gas Pressure for Attachment (Low Pressure Side)
- How to Examine Accumulator (Made by NOK) Nitrogen Gas Pressure for Attachment (Low Pressure Side)
- Examine and Charge Accumulator Nitrogen Gas Pressure for Attachment (High Pressure Side)
- How to Examine Accumulator Nitrogen Gas Pressure for Attachment (High Pressure Side)
- Replace Accumulator Bladder on High Pressure Side for Attachment Piping
- How to Replace Accumulator Bladder on High Pressure Side for Attachment Piping
- CAB Related Parts
- Examine CAB Tipping Stopper
- How to Examine Cab Tipping Stopper
- How to Adjust Mirrors
- Procedure to Adjust Machine Left Front Mirror (A)
- Procedure to Adjust Regular Position of Machine Left Front Mirror (A)
- Procedure to Adjust Machine Right Front Mirror (B)
- Procedure to Adjust Regular Position of Machine Right Front Mirror (B)
- Procedure to Adjust Machine Right Side Mirror (C)
- Electrical System
- Set and Operate Machine Monitor
- Operator Mode
- Function to Show Technician Identification Status Screen
- Function to Show Operator Identification Input Screen
- Examine Function by LCD (Liquid Crystal Display)
- Examine Function of Service Meter
- Usage Limitation and Maintenance Password Change Function
- Service Mode
- How to Operate Service Mode
- How to See Pre-defined Monitoring Information
- How to Examine Self-Define Monitor Information
- Abnormality Record Menu
- How to See Maintenance Record
- Maintenance Mode Setting
- How to Set Phone Number Entry
- Default Menu
- Diagnostic Tests Menu
- Adjustment Menu
- No-Injection Cranking Operation
- KOMTRAX Settings Menu
- How to Show Service Message
- How to Start Up KOMTRAX System
- How to Stop Use of KOMTRAX System
- Adjust Rearview Camera Angle
- How to Adjust Rearview Camera Angle
- Adjust KomVision Camera Angle
- How to Adjust KomVision Camera Angle
- Adjust KomVision Related Function
- Setting of KomVision (Main Setting)
- Setting of KomVision (Camera Setting)
- Setting of KomVision (Camera Calibration)
- Examine 12m Visibility on KomVision Screen
- Set Region of Bluetooth(R) Compatible Radio
- How to Set Region of Bluetooth(R) Compatible Radio
- Handle Voltage Circuit of Engine Controller
- Handle Battery Isolator Switch (Applicable Machine: 86044 to 87000)
- Handle Battery Isolator Switch (Applicable Machine: 87001 and Up)
- Examine Diodes
- How to Examine Diodes by Digital Tester
- How to Examine Diodes by Analog Tester
- ICT System
- Set and Operate Control Box
- How to Set the Starting Switch Interlock Function of the Control Box
- How to Select Excavator Model in the Control Box
- Set GNSS Receiver Type
- Set Heading Mode
- Switch Grade Transitions Fineness on Control Box
- Monitoring and Logging Function on Control Box
- Set Tilt Automatic Control Function
- Calibrate Intelligent Machine Control
- PPC Pressure Sensor Calibration
- Control Map Calibration
- Calibrate ATT1EPC
- How to Examine the Intelligent Machine Control System
- Calibrate IMU Sensor for Yaw Angle
- Calibrate IMU Sensor
- Procedure to be Done If an Error Occurs During Calibration of IMU Sensor
- Work Equipment Cylinder Calibration
- If Error Occurs During Calibration of Work Equipment Cylinder
- General Calibration of Bucket Blade Edge Position, Boom Dimensions, Arm Dimensions, Bucket Link Dimensions, and GNSS Antenna Position with Total Station
- Calibration of Boom Dimensions and Arm Dimensions with Total Station
- Calibration of Bucket Link Dimensions with Total Station
- Calibration of GNSS Antenna with Total Station
- Input Range of the Measured Values in Calibration with Total Station
- Examine the Input Values in Calibration with Total Station
- Procedure to be Done If an Error Occurs During Calibration with Total Station
- Calibration of GNSS Antenna Without Total Station
- Calibration of Bucket Blade Edge Position Without Total Station
- Input Range of the Measured Values in Calibration Without Total Station
- Procedure to be Done If an Error Occurs During Calibration Without Total Station
- Pm Clinic
- Pm Clinic Service
- Pm Clinic Check Sheet: PC490LCI-11
- 40 Troubleshooting
- Table of Contents
- Precautions Before Work
- Related Information to Troubleshooting
- Troubleshooting Points for Urea SCR System
- General Troubleshooting Points
- Sequence of Events in Troubleshooting
- Checks Before Troubleshooting
- Inspection Procedure Before Troubleshooting
- Test in Accordance with Testing Procedure
- Examine Fuel Level and Type
- Examine for Impure Ingredient in Fuel
- Examine Fuel Prefilter
- Examine Water Separator, Drain Water and Sediment
- Replace Fuel Prefilter Cartridge
- Examine Fuel Main Filter
- Examine Water Pump for Leakage
- Examine Engine Oil Level (Oil Quantity in Oil Pan)
- Examine Coolant Level (Reservoir Tank)
- Examine Air Cleaner Clogging
- Clean Outer Element
- Replace Element
- Examine Hydraulic Oil Level
- Examine Hydraulic Oil Strainer
- Examine Hydraulic Oil Filter
- Examine Oil Level in Swing Machinery Case
- Examine Oil Level in Damper Case
- Examine Oil Level in Final Drive Case
- Bleed Air from Fuel System
- Bleed Air from Hydraulic System
- How to Examine Electric Equipment
- Preparation for Troubleshooting of Electrical System
- Preparation for Troubleshooting of Machine Monitor
- Preparation for Troubleshooting of Engine Controller
- Preparation for Troubleshooting of Pump Controller
- Preparation for Troubleshooting of ICT Sensor Controller
- Preparation for Troubleshooting of Work Equipment Controller
- Preparation for Troubleshooting of Gateway Function Controller
- Preparation for Troubleshooting of KomVision Controller
- Preparation for Troubleshooting of Control Box
- Preparation for Troubleshooting of GNSS Receiver
- How to Disconnect and Connect Connector with a Special Lock
- Procedure for Troubleshooting
- Symptom and Troubleshooting Numbers
- Information Shown in Troubleshooting Table
- How to Diagnose Wiring Harness for Open Circuit of Pressure Sensor System
- Connector List and Layout (Serial Number: 85001-86423)
- Connector List (Applicable Machine: 86424 and up)
- Connector Layout (1) (Applicable Machine: 86424 and up)
- Connector Layout (2) (Applicable Machine: 86424 and up)
- Connector Layout (3) (Applicable Machine: 86424 and up)
- Connector Layout (4) (Applicable Machine: 86424 and up)
- Connector Layout (5) (Applicable Machine: 86424 and up)
- Connector Layout (6) (Applicable Machine: 86424 and up)
- Connector Contact Connection Table
- T-Branch Box and T-Branch Adapter Table
- Fuse Location Table
- Precautions When You Clean and Replace KDPF (KCSF and KDOC)
- Prepare Short Circuit Electrical Connector (For Failure Codes [CA1883] and [CA3135])
- Failure Code Table
- Troubleshooting by Failure Code (Display of Code)
- Failure Code [6AZ0ZG]
- Failure Code [879AKA]
- Failure Code [879AKB]
- Failure Code [879BKA]
- Failure Code [879BKB]
- Failure Code [879CKA]
- Failure Code [879CKB]
- Failure Code [879DKZ]
- Failure Code [879EMC]
- Failure Code [879FMC]
- Failure Code [879GKX]
- Failure Code [989L00]
- Failure Code [989M00]
- Failure Code [989N00]
- Failure Code [A1U0N3]
- Failure Code [A1U0N4]
- Failure Code [A900FR]
- Failure Code [A900N6]
- Failure Code [A900NY]
- Failure Code [AA10NX]
- Failure Code [AB00KE]
- Failure Code [AQ10N3]
- Failure Code [AS00N3]
- Failure Code [AS00R2]
- Failure Code [AS00R3]
- Failure Code [AS00R4]
- Failure Code [AS00R5]
- Failure Code [AS00R6]
- Failure Code [AS00ZK]
- Failure Code [AS10KM]
- Failure Code [AS10NR]
- Failure Code [AS10NT]
- Failure Code [B@BAZG]
- Failure Code [B@BAZK]
- Failure Code [B@BCNS]
- Failure Code [B@BCQA]
- Failure Code [B@BCZK]
- Failure Code [B@HANS]
- Failure Code [CA115]
- Failure Code [CA122]
- Failure Code [CA123]
- Failure Code [CA131]
- Failure Code [CA132]
- Failure Code [CA135]
- Failure Code [CA141]
- Failure Code [CA144]
- Failure Code [CA145]
- Failure Code [CA153]
- Failure Code [CA154]
- Failure Code [CA187]
- Failure Code [CA221]
- Failure Code [CA222]
- Failure Code [CA227]
- Failure Code [CA234]
- Failure Code [CA238]
- Failure Code [CA239]
- Failure Code [CA249]
- Failure Code [CA256]
- Failure Code [CA271]
- Failure Code [CA272]
- Failure Code [CA273]
- Failure Code [CA274]
- Failure Code [CA322]
- Failure Code [CA323]
- Failure Code [CA324]
- Failure Code [CA325]
- Failure Code [CA331]
- Failure Code [CA332]
- Failure Code [CA343]
- Failure Code [CA351]
- Failure Code [CA352]
- Failure Code [CA356]
- Failure Code [CA357]
- Failure Code [CA386]
- Failure Code [CA441]
- Failure Code [CA442]
- Failure Code [CA449]
- Failure Code [CA451]
- Failure Code [CA452]
- Failure Code [CA515]
- Failure Code [CA516]
- Failure Code [CA553]
- Failure Code [CA555]
- Failure Code [CA556]
- Failure Code [CA559]
- Failure Code [CA595]
- Failure Code [CA687]
- Failure Code [CA689]
- Failure Code [CA691]
- Failure Code [CA692]
- Failure Code [CA697]
- Failure Code [CA698]
- Failure Code [CA731]
- Failure Code [CA778]
- Failure Code [CA1117]
- Failure Code [CA1664]
- Failure Code [CA1669]
- Failure Code [CA1673]
- Failure Code [CA1677]
- Failure Code [CA1678]
- Failure Code [CA1682]
- Failure Code [CA1683]
- Failure Code [CA1684]
- Failure Code [CA1686]
- Failure Code [CA1691]
- Failure Code [CA1694]
- Failure Code [CA1695]
- Failure Code [CA1696]
- Failure Code [CA1712]
- Failure Code [CA1713]
- Failure Code [CA1714]
- Failure Code [CA1715]
- Failure Code [CA1776]
- Failure Code [CA1777]
- Failure Code [CA1843]
- Failure Code [CA1844]
- Failure Code [CA1879]
- Failure Code [CA1881]
- Failure Code [CA1883]
- Failure Code [CA1885]
- Failure Code [CA1887]
- Failure Code [CA1921]
- Failure Code [CA1922]
- Failure Code [CA1923]
- Failure Code [CA1924]
- Failure Code [CA1925]
- Failure Code [CA1927]
- Failure Code [CA1928]
- Failure Code [CA1942]
- Failure Code [CA1963]
- Failure Code [CA1977]
- Failure Code [CA1993]
- Failure Code [CA2185]
- Failure Code [CA2186]
- Failure Code [CA2249]
- Failure Code [CA2265] (Applicable Machine: 85001-86423)
- Failure Code [CA2265] (Applicable Machine: 86424 and up)
- Failure Code [CA2266] (Applicable Machine: 85001-86423)
- Failure Code [CA2266] (Applicable Machine: 86424 and up)
- Failure Code [CA2271]
- Failure Code [CA2272]
- Failure Code [CA2349]
- Failure Code [CA2353]
- Failure Code [CA2357]
- Failure Code [CA2381]
- Failure Code [CA2382]
- Failure Code [CA2383]
- Failure Code [CA2386]
- Failure Code [CA2387]
- Troubleshooting Flowchart
- Failure Code [CA2555]
- Failure Code [CA2556]
- Failure Code [CA2637]
- Failure Code [CA2639]
- Failure Code [CA2732]
- Failure Code [CA2733]
- Failure Code [CA2741]
- Failure Code [CA2765]
- Failure Code [CA2771]
- Failure Code [CA2777]
- Failure Code [CA2878]
- Failure Code [CA2881]
- Failure Code [CA2976]
- Failure Code [CA3133]
- Failure Code [CA3134]
- Failure Code [CA3135]
- Failure Code [CA3142]
- Failure Code [CA3143]
- Failure Code [CA3144]
- Failure Code [CA3146]
- Failure Code [CA3147]
- Failure Code [CA3148]
- Failure Code [CA3151]
- Failure Code [CA3165]
- Failure Code [CA3167]
- Failure Code [CA3229]
- Failure Code [CA3231]
- Failure Code [CA3232]
- Failure Code [CA3235]
- Failure Code [CA3239]
- Failure Code [CA3241]
- Failure Code [CA3242]
- Failure Code [CA3251]
- Failure Code [CA3253]
- Failure Code [CA3254]
- Failure Code [CA3255]
- Failure Code [CA3256]
- Failure Code [CA3311]
- Failure Code [CA3312]
- Failure Code [CA3313]
- Failure Code [CA3314]
- Failure Code [CA3315]
- Failure Code [CA3316]
- Failure Code [CA3317]
- Failure Code [CA3318]
- Failure Code [CA3319]
- Failure Code [CA3321]
- Failure Code [CA3322]
- Failure Code [CA3419]
- Failure Code [CA3421]
- Failure Code [CA3497]
- Failure Code [CA3498]
- Failure Code [CA3543]
- Failure Code [CA3545]
- Failure Code [CA3547]
- Failure Code [CA3558]
- Failure Code [CA3559]
- Failure Code [CA3562]
- Failure Code [CA3563]
- Failure Code [CA3567]
- Failure Code [CA3568]
- Failure Code [CA3571]
- Failure Code [CA3572]
- Failure Code [CA3574]
- Failure Code [CA3575]
- Failure Code [CA3577]
- Failure Code [CA3578]
- Failure Code [CA3582]
- Failure Code [CA3583]
- Failure Code [CA3596]
- Failure Code [CA3649]
- Failure Code [CA3681]
- Failure Code [CA3682]
- Failure Code [CA3713]
- Failure Code [CA3717]
- Failure Code [CA3718]
- Failure Code [CA3725]
- Failure Code [CA3748]
- Failure Code [CA3751]
- Failure Code [CA3755]
- Failure Code [CA3866]
- Failure Code [CA3867]
- Failure Code [CA3868]
- Failure Code [CA3899]
- Failure Code [CA3911]
- Failure Code [CA3912]
- Failure Code [CA3932]
- Failure Code [CA3933]
- Failure Code [CA3934]
- Failure Code [CA3935]
- Failure Code [CA3936]
- Failure Code [CA4151]
- Failure Code [CA4152]
- Failure Code [CA4155]
- Failure Code [CA4156]
- Failure Code [CA4157]
- Failure Code [CA4158]
- Failure Code [CA4159]
- Failure Code [CA4161]
- Failure Code [CA4162]
- Failure Code [CA4163]
- Failure Code [CA4164]
- Failure Code [CA4165]
- Failure Code [CA4166]
- Failure Code [CA4168]
- Failure Code [CA4169]
- Failure Code [CA4171]
- Failure Code [CA4249]
- Failure Code [CA4251]
- Failure Code [CA4259]
- Failure Code [CA4261]
- Failure Code [CA4277]
- Failure Code [CA4281]
- Failure Code [CA4459]
- Failure Code [CA4461]
- Failure Code [CA4658]
- Failure Code [CA4731]
- Failure Code [CA4732]
- Failure Code [CA4739]
- Failure Code [CA4768]
- Failure Code [CA4769]
- Failure Code [CA4842]
- Failure Code [CA4952]
- Failure Code [CA5115]
- Failure Code [CA5179]
- Failure Code [CA5181]
- Failure Code [CA5383]
- Failure Code [D110KB]
- Failure Code [D19JKZ]
- Failure Code [D1M3KA]
- Failure Code [D1M3KB]
- Failure Code [D1M3KY]
- Failure Code [D1M3MA]
- Failure Code [D1M4KA]
- Failure Code [D1M4KB]
- Failure Code [D1M4KY]
- Failure Code [D1M5KA]
- Failure Code [D1M5KB]
- Failure Code [D1M5KY]
- Failure Code [D1M5MA]
- Failure Code [D811MC]
- Failure Code [D862KA]
- Failure Code [D8ALKA]
- Failure Code [D8ALKB]
- Failure Code [D8AQKR]
- Failure Code [D8ARKR]
- Failure Code [D8G1KT]
- Failure Code [D8G6KT]
- Failure Code [DA20MC]
- Failure Code [DA22KK]
- Failure Code [DA25KP]
- Failure Code [DA29KQ]
- Failure Code [DA2LKA]
- Failure Code [DA2LKB]
- Failure Code [DA2QKR]
- Failure Code [DA2RKR]
- Failure Code [DAF0KM]
- Failure Code [DAF0MB]
- Failure Code [DAF0MC]
- Failure Code [DAF8KB]
- Failure Code [DAF9KQ]
- Failure Code [DAFGMC]
- Failure Code [DAFLKA]
- Failure Code [DAFLKB]
- Failure Code [DAFQKR]
- Failure Code [DAZ9KQ]
- Failure Code [DAZQKR]
- Failure Code [DB2QKR]
- Failure Code [DB2RKR]
- Failure Code [DB90MC]
- Failure Code [DB92KK]
- Failure Code [DB95KP]
- Failure Code [DB96KP]
- Failure Code [DB99KQ]
- Failure Code [DB9LKA]
- Failure Code [DB9LKB]
- Failure Code [DB9QKR]
- Failure Code [DB9RKR]
- Failure Code [DBP0KM]
- Failure Code [DBP0KT]
- Failure Code [DBP5KB]
- Failure Code [DBP5KY]
- Failure Code [DBPQKR]
- Failure Code [DBR0MC]
- Failure Code [DBR2KK]
- Failure Code [DBR5KP]
- Failure Code [DBR6KP]
- Failure Code [DBR9KQ]
- Failure Code [DBRLKA]
- Failure Code [DBRLKB]
- Failure Code [DBRQKR]
- Failure Code [DBRRKR]
- Failure Code [DBRSKB]
- Failure Code [DBRTKB]
- Failure Code [DBUSKR]
- Failure Code [DD20MA]
- Failure Code [DDNRKA] (Applicable Machine: 85001-86423)
- Failure Code [DDNRKA] (Applicable Machine: 86424 and up)
- Failure Code [DDNRKY] (Applicable Machine: 85001-86423)
- Failure Code [DDNRKY] (Applicable Machine: 86424 and up)
- Failure Code [DDNS00] (Applicable Machine: 85001-86423)
- Failure Code [DDNS00] (Applicable Machine: 86424 and up)
- Failure Code [DFB1KZ]
- Failure Code [DFB2KZ]
- Failure Code [DFB3L8]
- Failure Code [DFB4L8]
- Failure Code [DFB5KZ]
- Failure Code [DFB6KZ]
- Failure Code [DGH2KA]
- Failure Code [DGH2KB]
- Failure Code [DHA4KA]
- Failure Code [DHAAMA]
- Failure Code [DHACMA]
- Failure Code [DHPAMA]
- Failure Code [DHPBMA]
- Failure Code [DHS3MA]
- Failure Code [DHS4MA]
- Failure Code [DHS8MA]
- Failure Code [DHS9MA]
- Failure Code [DHSAMA]
- Failure Code [DHSBMA]
- Failure Code [DHSCMA]
- Failure Code [DHSDMA]
- Failure Code [DHSFMA]
- Failure Code [DHSGMA]
- Failure Code [DHSHMA]
- Failure Code [DHSJMA]
- Failure Code [DHUXMA]
- Failure Code [DHUYMA]
- Failure Code [DHX1MA]
- Failure Code [DHZAMA]
- Failure Code [DHZCL8]
- Failure Code [DK80KM]
- Failure Code [DK80KR]
- Failure Code [DK80KT]
- Failure Code [DK8CKR]
- Failure Code [DK8CKT]
- Failure Code [DK8CMB]
- Failure Code [DK8DKB]
- Failure Code [DKG1KM]
- Failure Code [DKG1L8]
- Failure Code [DKR0MA]
- Failure Code [DKR1MA]
- Failure Code [DKT0KM]
- Failure Code [DKT0L8]
- Failure Code [DKT1KA]
- Failure Code [DKT1KB]
- Failure Code [DKT2KA]
- Failure Code [DKT2KB]
- Failure Code [DKT4KM]
- Failure Code [DKT4L8]
- Failure Code [DKT5KA]
- Failure Code [DKT5KB]
- Failure Code [DKT6KA]
- Failure Code [DKT6KB]
- Failure Code [DKT8KA]
- Failure Code [DKT8KB]
- Failure Code [DKT9KA]
- Failure Code [DKT9KB]
- Failure Code [DKTAKA]
- Failure Code [DKTAKB]
- Failure Code [DKTAMB]
- Failure Code [DKTBKX]
- Failure Code [DKTBMC]
- Failure Code [DKTEMB]
- Failure Code [DKTFKX]
- Failure Code [DKTFMC]
- Failure Code [DKTJMB]
- Failure Code [DKU1MA]
- Failure Code [DKU2MA]
- Failure Code [DKUGKA]
- Failure Code [DKUGKB]
- Failure Code [DKUGKY]
- Failure Code [DKUHKA]
- Failure Code [DKUHKB]
- Failure Code [DKUHKY]
- Failure Code [DKULKA] (Applicable Machine: 85001-86423)
- Failure Code [DKULKA] (Applicable Machine: 86424 and up)
- Failure Code [DKULKB] (Applicable Machine: 85001-86423)
- Failure Code [DKULKB] (Applicable Machine: 86424 and up)
- Failure Code [DKULKY] (Applicable Machine: 85001-86423)
- Failure Code [DKULKY] (Applicable Machine: 86424 and up)
- Failure Code [DKV0KA]
- Failure Code [DKV0KY]
- Failure Code [DKV1KA]
- Failure Code [DKV1KY]
- Failure Code [DKV2KA]
- Failure Code [DKV2KY]
- Failure Code [DKV3KA]
- Failure Code [DKV3KY]
- Failure Code [DKV4MA]
- Failure Code [DKV5MA]
- Failure Code [DKV6MA]
- Failure Code [DKV7MA]
- Failure Code [DKV8MA]
- Failure Code [DKV9MA]
- Failure Code [DKVAMA]
- Failure Code [DKVCKA]
- Failure Code [DKVCKB]
- Failure Code [DKVCKY]
- Failure Code [DKVDKA]
- Failure Code [DKVDKB]
- Failure Code [DKVDKY]
- Failure Code [DKVDMA]
- Failure Code [DKVKKX]
- Failure Code [DKVKL8]
- Failure Code [DKVLMA]
- Failure Code [DKVMMA]
- Failure Code [DKVNKX]
- Failure Code [DKVNL8]
- Failure Code [DKVPMA]
- Failure Code [DKVQMA]
- Failure Code [DLM3KA]
- Failure Code [DLM3KB]
- Failure Code [DLM3MB]
- Failure Code [DR10KA]
- Failure Code [DR12KA]
- Failure Code [DR20KA]
- Failure Code [DR21KX]
- Failure Code [DR30KA]
- Failure Code [DR31KX]
- Failure Code [DR40KA]
- Failure Code [DUMBKA]
- Failure Code [DUMBKB]
- Failure Code [DV20KB]
- Failure Code [DW43KA]
- Failure Code [DW43KB]
- Failure Code [DW43KY]
- Failure Code [DW45KA]
- Failure Code [DW45KB]
- Failure Code [DW45KY]
- Failure Code [DW4CKY] (Applicable Machine: 85001-86423)
- Failure Code [DW4CKY] (Applicable Machine: 86424 and up)
- Failure Code [DW4FKA]
- Failure Code [DW4FKB]
- Failure Code [DW4FKY]
- Failure Code [DW4GKA]
- Failure Code [DW4GKB]
- Failure Code [DW4GKY]
- Failure Code [DW7BKA]
- Failure Code [DW7BKB]
- Failure Code [DW7BKY]
- Failure Code [DW91KA]
- Failure Code [DW91KB]
- Failure Code [DW91KY]
- Failure Code [DWA2KA]
- Failure Code [DWA2KB]
- Failure Code [DWA2KY]
- Failure Code [DWK0KA]
- Failure Code [DWK0KB]
- Failure Code [DWK0KY]
- Failure Code [DWK2KA]
- Failure Code [DWK2KB]
- Failure Code [DWK2KY]
- Failure Code [DWK8KA]
- Failure Code [DWK8KB]
- Failure Code [DWK8KY]
- Failure Code [DWPUKA]
- Failure Code [DWPUKB]
- Failure Code [DWPUKY]
- Failure Code [DX16KA]
- Failure Code [DX16KB]
- Failure Code [DXA8KA]
- Failure Code [DXA8KB]
- Failure Code [DXA9KA]
- Failure Code [DXA9KB]
- Failure Code [DXE0KA]
- Failure Code [DXE0KB]
- Failure Code [DXE4KA]
- Failure Code [DXE4KB]
- Failure Code [DXE4KY]
- Failure Code [DXE5KA]
- Failure Code [DXE5KB]
- Failure Code [DXE6KA]
- Failure Code [DXE6KB]
- Failure Code [DXE7KA]
- Failure Code [DXE7KB]
- Failure Code [DXE7KY]
- Failure Code [DXE8KA]
- Failure Code [DXE8KB]
- Failure Code [DXE8KY]
- Failure Code [DXE9KA]
- Failure Code [DXE9KB]
- Failure Code [DXE9KY]
- Failure Code [DXEAKA]
- Failure Code [DXEAKB]
- Failure Code [DXEAKY]
- Failure Code [DXEKKA]
- Failure Code [DXEKKB]
- Failure Code [DXEKKY]
- Failure Code [DXELKA]
- Failure Code [DXELKB]
- Failure Code [DXELKY]
- Failure Code [DXRWKA]
- Failure Code [DXRWKB]
- Failure Code [DXRWKY]
- Failure Code [DXRXKA]
- Failure Code [DXRXKB]
- Failure Code [DXRXKY]
- Failure Code [DY20KA]
- Failure Code [DY20MA]
- Failure Code [DY2CKB]
- Failure Code [DY2DKB]
- Failure Code [DY2EKB]
- Failure Code [F311KA]
- Failure Code [F311KB]
- Failure Code [F312KA]
- Failure Code [F312KB]
- Failure Code [F313KA]
- Failure Code [F313KB]
- Failure Code [F314KA]
- Failure Code [F314KB]
- Failure Code [F315KB]
- Failure Code [F315KY]
- Failure Code [F316KB]
- Failure Code [F316KY]
- Failure Code [F318KB]
- Failure Code [F318KY]
- Failure Code [F31AKB]
- Failure Code [F31AKY]
- Failure Code [F31BKB]
- Failure Code [F31BKY]
- Failure Code [F31CKB]
- Failure Code [F31CKY]
- Failure Code [F31DKB]
- Failure Code [F31DKY]
- Failure Code [F31EKB]
- Failure Code [F31EKY]
- Failure Code [FE0AKA]
- Failure Code [H16SL8]
- Failure Code [H17SL8]
- Troubleshooting of Electrical System (E-Mode)
- Engine Does Not Start (Engine Does Not Crank)
- Manual Preheating System Does Not Operate
- Automatic Preheating System Does Not Operate
- While Preheating is in Operation, Preheating Monitor Does Not Come On
- When Starting Switch is Turned to ON Position, Machine Monitor Shows Nothing
- While Starting Switch is Turned to ON Position (with Engine Stopped), Engine Oil Level Monitor Comes On in Yellow
- While Starting Switch is Turned to ON Position (with Engine Stopped), Radiator Coolant Level Monitor Comes On in Yellow
- Engine Coolant Temperature Monitor Comes On in White While Engine is in Operation
- Hydraulic Oil Temperature Monitor Comes On in White While Engine is in Operation
- Air Cleaner Clogging Monitor Comes On in Yellow While Engine is in Operation
- Charge Level Monitor Comes On in Red While Engine is in Operation
- Fuel Level Monitor Comes On in Red While Engine is in Operation
- Water Separator Monitor Comes On in Red While Engine is in Operation
- Engine Coolant Temperature Monitor Comes On in Red While Engine is in Operation
- Engine Oil Pressure Monitor Comes On in Red While Engine is in Operation
- Hydraulic Oil Temperature Monitor Comes On in Red While Engine is in Operation
- Fuel Gauge Does Not Move from Minimum or Maximum
- Display of Fuel Gauge is Different from Actual Fuel Level
- Engine Coolant Temperature Gauge Display Does Not Move from Minimum or Maximum
- Display of Engine Coolant Temperature Gauge is Different from Actual Coolant Temperature
- Hydraulic Oil Temperature Gauge Does Not Move from Minimum or Maximum
- Display of Hydraulic Oil Temperature Gauge is Different from Actual Oil Temperature
- Some Areas of Machine Monitor Screen are Not Shown
- Function Switch Does Not Operate
- Automatic Warm-up System Does Not Operate (in Cold Weather)
- When Auto-Decelerator Switch is Operated, Auto-Decelerator Monitor Does Not Light Up or Does Not Go Off
- Auto-Decelerator is Not Operated or Canceled with Lever
- Working Mode Selector Screen is Not Shown While Working Mode Switch is Operated
- When Working Mode is Changed, Setting of Engine and Hydraulic Pump is Not Changed
- Travel Speed Monitor Does Not Change While Travel Speed Switch is Operated
- Travel Speed Does Not Change Even When You Change Travel Speed
- Alarm Buzzer Does Not Stop
- Service Meter is Not Shown While Starting Switch is in OFF Position
- Service Mode Cannot be Selected
- All Work Equipment, Swing, Travel Do Not Operate (Applicable Machine: 85001-86423)
- All Work Equipment, Swing, Travel Do Not Operate (Applicable Machine: 86424 and up)
- All Work Equipment, Swing, Travel Cannot be Locked (Applicable Machine: 85001-86423)
- All Work Equipment, Swing, Travel Cannot be Locked (Applicable Machine: 86424 and up)
- Bucket Does Not Move with Auto Tilt Function
- Machine Does Not Swing While Swing Parking Brake Release Switch is Set to Release Position
- While Swing Parking Brake Release Switch is Turned on, Swing Brake is Not Operated
- One-Touch Power Maximizing Function Does Not Operate Correctly or Monitor is Not Shown
- One-Touch Power Maximizing Function is Not Cancelled
- Travel Alarm Does Not Operate During Travel
- Travel Alarm Does Not Stop When Machine Stops
- Horn Does Not Sound
- Horn Does Not Stop
- Wiper Monitor Does Not Come On or Go Out While Wiper Switch is Operated
- Windshield Wiper Does Not Operate When Wiper Switch is Operated
- When Window Washer Switch is Operated, Window Washer Does Not Operate
- "Boom Raise" is Not Shown Correctly with Monitoring Function
- "Boom Lower" is Not Shown Correctly with Monitoring Function
- "Arm OUT" is Not Shown Correctly with Monitoring Function
- "Arm IN" is Not Shown Correctly with Monitoring Function
- Bucket DUMP is Not Shown Correctly with Monitoring Function
- Bucket CURL is Not Shown Correctly with Monitoring Function
- Swing is Not Shown Correctly with Monitoring Function
- Travel Indicator is Not Displayed Properly with Monitoring Function
- Service is Not Shown Correctly with Monitoring Function
- Attachment Hydraulic Circuit Cannot be Changed
- KOMTRAX System Does Not Operate Correctly
- Machine Push-up Function Cannot be Canceled (Applicable Machine: 85001-86423)
- Machine Push-up Function Cannot be Canceled (Applicable Machine: 86424 and up)
- Machine Push-up Function Does Not Operate (Applicable Machine: 85001-86423)
- Machine Push-up Function Does Not Operate (Applicable Machine: 86424 and up)
- Control Box Shuts Down After It Shows Messages [GPS receiver not connected !] and [Slope sensor not connected !]
- Control Box Shows Message [GPS receiver not connected!]
- Control Box Shows Message [Waiting for radio link…]
- Control Box Shows Message [Tilt Bucket Sensor Offline!]
- Control Box Shows Message [Waiting for satellites…]
- Control Box Shows Message [Komatsu controller not connected!] Show Production
- Control Box Shows Message [Sensors are invalid]
- Control Box Shows Message [Waiting to initialize….]
- Control Box Shows Message [Initializing….]
- Control Box Shows Message [No GPS Localization…]
- Control Box Shows Message [Low precisions…]
- Control Box Displays [Out of design area…]
- Control Box Shows Message [Avoidance Area Breach!]
- Control Box Shows Message [CPU Load is Increased]
- Control Box Can Not be Turned on
- Control Box Does Not Display Intelligent Machine Control Screen
- Control Box Does Not Display Hydraulic Excavator Image
- Control Box Does Not Display Design Surface
- Control Box Touch Panel Does Not Respond
- Control Box Touch Panel is Inaccurate
- When You Examine and Adjust the Bucket Edge Position, the Value is Different from Actual Machine
- Semi-Auto Mode is Not Shown When Auto/Manual Switch is Pushed
- Auto Grade Assist Control Does Not Operate While "Semi-auto limited digging mode" is Shown
- Auto Stop Control Does Not Operate While "Semi-Auto Mode" is Shown
- "Semi-Automatic Mode" is Shown but the Work Mode Icon is Not Shown
- Bucket Angle Hold Control Does Not Operate
- Blade Edge Position on Design Surface is Not Accurate When Auto Grade Assist Function is on
- Blade Edge Stop Position is Not Accurate for Design Surface When Auto Stop Control Function is on
- Facing Angle Compass Does Not Become Perpendicular to Target
- NG Occurs Frequently in IMU Calibration Diagnosis
- Cushion for Arm IN End Does Not Work or is Weak
- Troubleshooting for Hydraulic and Mechanical Systems (H Mode)
- Information Shown in Troubleshooting Table (H-Mode)
- System Chart of Hydraulic and Mechanical Systems
- Failure Mode and Cause Table
- All Work Equipment, Swing and Travel Do Not Work
- All Work Equipment and Travel Speeds are Low or Power is Low
- Fine Control Performance or Response is Unsatisfactory
- Unusual Noise is Heard from Around Hydraulic Pump
- Engine Speed Drops Largely or Engine Stops
- Boom Speed or Power is Low
- Arm Speed or Power is Low
- Bucket Speed or Power is Low
- Bucket Does Not Move in Single Operation with Auto Tilt Function
- Work Equipment Does Not Move in Single Operation
- Hydraulic Drift of Boom is Large
- Hydraulic Drift of Arm is Large
- Hydraulic Drift of Bucket is Large
- When Single Work Equipment is Released Hydraulically, Other Work Equipment Moves
- Time Lag of Work Equipment is Large
- All Work Equipment Do Not Operate
- One-Touch Power Maximizing Function Does Not Operate
- Machine Push-up Function Does Not Operate
- Attachment Circuit Cannot be Changed
- Oil Flow in Attachment Circuit Cannot be Changed
- In Mixed Operation of Work Equipment, Work Equipment with Heavier Load Moves Slower
- In Mixed Operation of Swing and Travel, Travel Speed Falls Largely
- In Mixed Operation of Swing and Boom RAISE, Boom RAISE Speed is Low
- Machine Does Not Travel Straight
- Machine is Not Steered Well or Steering Power is Low
- Travel Speed is Low
- One of Tracks Does Not Run
- Travel Speed Does Not Change, or Travel Speed is Too Slow or Fast
- Upper Structure Does Not Swing in Two Directions of Right and Left
- Machine Swings Only in One Direction
- Swing Acceleration or Swing Speed is Low in Two Directions of Right and Left
- Swing Acceleration or Swing Speed is Low in Only One Direction
- Upper Structure Overruns Excessively When It Stops Swinging (Both Right and Left)
- Upper Structure Overruns Excessively When It Stops Swinging (Only One Direction Either Right or Left)
- Shock is Large When Upper Structure Stops Swing Operation
- Large Unusual Noise is Heard When Upper Structure Stops
- Swing Drift on a Slope is Large (While Swing Parking Brake is Applied)
- Swing Drift on a Slope is Large (While Swing Parking Brake is Released)
- Fan Speed is Abnormal (Too High or Low, or Does Not Rotate)
- Unusual Noise is Heard from Around Fan
- Quick Coupler Cylinder Will Not Extend
- Quick Coupler Cylinder Will Not Retract (but Buzzer Does Not Sound)
- Buzzer Does not Sound (but Quick Coupler Cylinder Doesretract)
- Quick Coupler Cylinder Extends and Retracts Slowly
- Troubleshooting of Engine (S-Mode)
- Information Shown in Troubleshooting Table (S-Mode)
- S-1 Engine Does Not Crank When Starting Switch is Turned to Start Position
- S-2 Engine Cranks but No Exhaust Smoke Comes Out
- S-3 Fuel is Injected but Engine Does Not Start (Misfiring: Engine Cranks but Does Not Start)
- S-4 Engine Startability is Unsatisfactory
- S-5 Engine Does Not Pick Up Smoothly
- S-6 Engine Stops During Operation
- S-7 Engine Runs Rough or is Not Stable
- S-8 Engine Lacks Power
- S-9 KDPF Becomes Clogged in a Short Time
- S-10 Engine Oil Consumption is Excessive
- S-11 Oil Becomes Dirty Quickly
- S-12 Fuel Consumption is Excessive
- S-13 Oil is in Coolant (or Coolant Spurts Back or Coolant Level goes Down)
- S-14 Oil Pressure Drops
- S-15 Fuel Mixes Into Engine Oil
- S-16 Water Mixes Into Engine Oil (Milky)
- S-17 Coolant Temperature Increases Too High (Overheating)
- S-18 Unusual Noise is Heard
- S-19 Vibration is Excessive
- S-20 Air Cannot be Bled from Fuel Circuit
- S-21 Active Regeneration is Done Frequently
- S-22 Active Regeneration Continues Long
- S-23 White Smoke is Exhausted During Active Regeneration
- S-24 DEF Consumption is Excessive
- S-25 There is Unusual Smell (Irritating Odor)
- S-26 Foreign Materials Enter DEF (DEF Increases)
- 50 Disassembly and Assembly
- Table of Contents
- Precautions Before Work
- Related Information on Disassembly and Assembly
- How to Read This Manual
- Coating Materials List
- Special Tool List
- Sketches of Special Tools
- Engine and Cooling System
- Remove and Install Supply Pump Assembly
- How to Remove Supply Pump Assembly
- How to Install Supply Pump Assembly
- Remove and Install Injector Assembly
- How to Remove Injector Assembly
- How to Install Injector Assembly
- Remove and Install Fuel Doser Assembly
- How to Remove Fuel Doser
- How to Install Fuel Doser
- Remove and Install Cylinder Head Assembly
- How to Remove Cylinder Head Assembly
- How to Install Cylinder Head Assembly
- Remove and Install EGR Valve Assembly
- How to Remove EGR Valve Assembly
- How to Install EGR Valve Assembly
- Remove and Install EGR Cooler Assembly
- How to Remove EGR Cooler Assembly
- How to Install EGR Cooler Assembly
- Remove and Install Starter Assembly
- How to Remove Starting Motor Assembly
- How to Install Starting Motor Assembly
- Remove and Install Alternator Belt
- How to Remove Alternator Belt
- How to Install Alternator Belt
- Remove and Install Radiator Assembly
- How to Remove Radiator Assembly
- How to Install Radiator Assembly
- Remove and Install Cooling Fan and Fan Motor Assembly
- How to Remove Cooling Fan and Fan Motor Assembly
- How to Install Cooling Fan and Fan Motor Assembly
- Remove and Install Hydraulic Oil Cooler Assembly
- How to Remove Hydraulic Oil Cooler Assembly
- How to Install Hydraulic Oil Cooler Assembly
- Remove and Install Aftercooler Assembly
- How to Remove Aftercooler Assembly
- How to Install Aftercooler Assembly
- Remove and Install Engine and Main Pump Assembly (Applicable Machine: 85001 to 86205)
- How to Remove Engine and Main Pump Assembly (Applicable Machine: 85001 to 86205)
- How to Install Engine and Main Pump Assembly (Applicable Machine: 85001 to 86205)
- Remove and Install Engine and Main Pump Assembly (Applicable Machine: 86206 and up)
- How to Remove Engine and Main Pump Assembly (Applicable Machine: 86206 and up)
- How to Install Engine and Main Pump Assembly (Applicable Machine: 86206 and up)
- Remove and Install Engine Front Oil Seal
- How to Remove Engine Front Oil Seal
- How to Install Engine Front Oil Seal
- Remove and Install Engine Rear Oil Seal
- How to Remove Engine Rear Oil Seal
- How to Install Engine Rear Oil Seal
- Remove and Install Engine Hood Assembly
- How to Remove Engine Hood Assembly
- How to Install Engine Hood Assembly
- Remove and Install Fuel Tank Assembly
- How to Remove Fuel Tank Assembly
- How to Install Fuel Tank Assembly
- Remove and Install DEF Tank Assembly
- How to Remove DEF Tank Assembly
- How to Install DEF Tank Assembly
- Remove and Install DEF Tank Sensor Flange Assembly
- How to Remove DEF Tank Sensor Flange Assembly
- How to Install DEF Tank Sensor Flange Assembly
- Remove and Install DEF Tank Sensor
- How to Remove DEF Tank Sensor
- How to Install DEF Tank Sensor
- Remove and Install DEF Tank Strainer
- How to Remove DEF Tank Strainer
- How to Install DEF Tank Strainer
- Remove and Install DEF Tank Filler Port Filter
- How to Remove DEF Tank Filler Port Filter
- How to Install DEF Tank Filler Port Filter
- Remove and Install KDPF Assembly (Applicable Machine: 85001 to 86205)
- How to Remove KDPF Assembly (Applicable Machine: 85001 to 86205)
- How to Install KDPF Assembly (Applicable Machine: 85001 to 86205)
- Remove and Install KDPF Assembly (Applicable Machine: 86206 and up)
- How to Remove KDPF Assembly (Applicable Machine: 86206 and up)
- How to Install KDPF Assembly (Applicable Machine: 86206 and up)
- Disassemble and Assemble of KDPF Assembly (Applicable Machine:85001 to 86205)
- How to Disassemble KDPF Assembly (Applicable Machine: 85001 to 86205)
- How to Assemble KDPF Assembly (Applicable Machine: 85001 to 86205)
- Disassemble and Assemble KDPF Assembly (Applicable Machine:86206 and up)
- How to Disassemble KDPF Assembly (Applicable Machine:86206 and up)
- How to Assemble KDPF Assembly (Applicable Machine: 86206 and up)
- Remove and Install SCR Assembly (Applicable Machine: 85001 to 86205)
- How to Remove SCR Assembly (Applicable Machine: 85001 to 86205)
- How to Install SCR Assembly (Applicable Machine: 85001 to 86205)
- Remove and Install SCR Assembly (Applicable Machine: 86206 and up)
- How to Remove SCR Assembly (Applicable Machine: 86206 and up)
- How to Install SCR Assembly (Applicable Machine: 86206 and up)
- Remove and Install KDPF and SCR Assembly (Applicable Machine: 85001 to 86205)
- How to Remove KDPF and SCR Assembly (Applicable Machine: 85001 to 86205)
- How to Install KDPF and SCR Assembly (Applicable Machine: 85001 to 86205)
- Remove and Install KDPF and SCR Assembly Bracket (Applicable Machine: 86206 and up)
- How to Remove KDPF and SCR Assembly (Applicable Machine: 86206 and up)
- How to Install KDPF and SCR Assembly (Applicable Machine: 86206 and up)
- Remove and Install KDPF and SCR Assembly Bracket (Applicable Machine: 85001 to 86205)
- How to Remove KDPF and SCR Assembly Bracket (Applicable Machine: 85001 to 86205)
- Install KDPF and SCR Assembly Bracket (Applicable Machine: 85001 to 86205)
- Remove and Install KDPF and SCR Assembly Bracket (Applicable Machine: 86206 and up)
- How to Remove KDPF and SCR Assembly Bracket (Applicable Machine: 86206 and up)
- Install KDPF and SCR Assembly Bracket (Applicable Machine: 86206 and up)
- Remove and Install Bellows Pipe Assembly
- How to Remove Bellows Pipe Assembly
- How to Install Bellows Pipe Assembly
- Remove and Install KCCV Assembly
- How to Remove KCCV Assembly
- How to Install KCCV Assembly
- Remove and Install DEF Mixing Tube
- How to Remove DEF Mixing Tube
- How to Install DEF Mixing Tube
- Remove and Install DEF Injector
- How to Remove DEF Injector
- How to Install DEF Injector
- Remove and Install DEF Pump
- How to Remove DEF Pump (Applicable Machine: 85001 to 86052)
- How to Install DEF Pump (Applicable Machine: 85001 to 86052)
- How to Remove DEF Pump (Applicable Machine: 86053 and up)
- How to Install DEF Pump (Applicable Machine: 86053 and up)
- Remove and Install DEF Hose
- How to Remove DEF Hose (Applicable Machine Model: 85001 to 86052)
- How to Install DEF Hose (Applicable Machine Model: 85001 to 86052)
- How to Remove DEF Hose (Applicable Machine Model: 86053 and up)
- How to Install DEF Hose (Applicable Machine Model: 86053 and up)
- Remove and Install Air Cleaner Assembly
- How to Remove Air Cleaner Assembly
- How to Install Air Cleaner Assembly
- Remove and Install Air Conditioner Compressor Assembly
- How to Remove Air Conditioner Compressor Assembly
- How to Install Air Conditioner Compressor Assembly
- Remove and Install Air Conditioner Condenser Assembly
- How to Remove Air Conditioner Condenser Assembly
- How to Install Air Conditioner Condenser Assembly
- Power Train
- Remove and Install Travel Motor and Final Drive Assembly
- How to Remove Travel Motor and Final Drive Assembly
- How to Install Travel Motor and Final Drive Assembly
- Disassemble and Assemble Final Drive Assembly
- How to Disassemble Final Drive Assembly
- How to Assemble Final Drive Assembly
- Remove and Install Swing Motor and Swing Machinery Assembly
- How to Remove Swing Motor and Swing Machinery Assembly
- How to Install Swing Motor and Swing Machinery Assembly
- Disassemble and Assemble Swing Machinery Assembly
- How to Disassemble Swing Machinery Assembly
- How to Assemble Swing Machinery Assembly
- Remove and Install Swing Circle Assembly
- How to Remove Swing Circle Assembly
- How to Install Swing Circle Assembly
- Undercarriage and Frame
- Separate and Connect Track Assembly
- How to Separate Track Assembly
- How to Install Track Assembly
- Remove and Install Sprocket
- How to Remove Sprocket
- How to Install Sprocket
- Remove and Install Idler and Idler Cushion Assembly
- How to Remove Idler and Idler Cushion Assembly
- How to Install Idler and Idler Cushion Assembly
- Disassemble and Assemble Idler Assembly
- How to Disassemble Idler Assembly
- How to Assemble Idler Assembly
- Disassemble and Assemble Idler Cushion Assembly
- How to Disassemble Idler Cushion Assembly
- How to Assemble Idler Cushion Assembly
- Disassemble and Assemble Track Roller Assembly
- How to Disassemble Track Roller Assembly
- How to Assemble Track Roller Assembly
- Disassemble and Assemble Carrier Roller Assembly
- How to Disassemble Carrier Roller Assembly
- How to Assemble Carrier Roller Assembly
- Remove and Install Revolving Frame Assembly
- How to Remove Revolving Frame Assembly
- How to Install Revolving Frame Assembly
- Remove and Install Counterweight Assembly
- How to Remove Counterweight Assembly
- How to Install Counterweight Assembly
- Hydraulic System
- Remove and Install Center Swivel Joint Assembly
- How to Remove Center Swivel Joint Assembly
- How to Install Center Swivel Joint Assembly
- Disassemble and Assemble Center Swivel Joint Assembly
- How to Disassemble Center Swivel Joint Assembly
- How to Assemble Center Swivel Joint Assembly
- Remove and Install Hydraulic Tank Assembly
- How to Remove Hydraulic Tank Assembly
- How to Install Hydraulic Tank Assembly
- Remove and Install Main Pump Assembly
- How to Remove Main Pump Assembly
- How to Install Main Pump Assembly
- Remove and Install Junction Block Assembly for Intelligent Machine Control
- How to Remove Junction Block Assembly for Intelligent Machine Control
- How to Install Junction Block Assembly for Intelligent Machine Control
- Remove and Install Pressure Sensor for Intelligent Machine Control
- How to Remove Pressure Sensor for Intelligent Machine Control
- How to Install Pressure Sensor for Intelligent Machine Control
- Remove and Install Boom Spool Stroke Sensor
- How to Remove Boom Spool Stroke Sensor
- How to Install Boom Spool Stroke Sensor
- Remove and Install Arm Spool Stroke Sensor
- How to Remove Arm Spool Stroke Sensor
- How to Install Arm Spool Stroke Sensor
- Remove and Install Junction Block Bypass Adapter for Intelligent Machine Control
- How to Remove Junction Block Bypass Adapter for Intelligent Machine Control
- How to Remove Junction Block Bypass Adapter for Intelligent Machine Control
- Remove and Install Control Valve Assembly
- How to Remove Control Valve Assembly
- How to Install Control Valve Assembly
- Disassemble and Assemble Control Valve Assembly
- How to Replace Pressure Compensation Valve Seal Ring
- How to Assemble Control Valve Assembly
- Disassemble and Assemble Work Equipment PPC Valve Assembly
- How to Disassemble Work Equipment PPC Valve Assembly
- How to Assemble Work Equipment PPC Valve Assembly
- Disassemble and Assemble Travel PPC Valve Assembly
- How to Disassemble Travel PPC Valve Assembly
- How to Assemble Travel PPC Valve Assembly
- Work Equipment
- Remove and Install Bucket Assembly
- How to Remove Bucket Assembly
- How to Install Bucket Assembly
- Remove and Install Arm Assembly
- How to Remove Arm Assembly
- How to Install Arm Assembly
- Remove and Install Work Equipment Assembly
- How to Remove Work Equipment Assembly
- How to Install Work Equipment Assembly
- Remove and Install Boom Anti-drop Valve Assembly
- How to Remove Boom Anti-drop Valve Assembly
- How to Install Boom Anti-drop Valve Assembly
- Remove and Install Arm Anti-Drop Valve Assembly
- How to Remove Arm Anti-Drop Valve Assembly
- How to Install Arm Anti-Drop Valve Assembly
- Disassemble and Assemble Anti-Drop Valve Assembly
- How to Disassemble Anti-Drop Valve Assembly
- How to Assemble Anti-Drop Valve Assembly
- Disassemble and Assemble Boom Cylinder Assembly
- How to Disassemble Boom Cylinder Assembly
- How to Assemble Boom Cylinder Assembly
- Disassemble and Assemble Stroke Sensing Boom Cylinder Assembly
- How to Disassemble Stroke Sensing Boom Cylinder Assembly
- How to Assemble Stroke Sensing Boom Cylinder Assembly
- Disassemble and Assemble Stroke Sensing Arm Cylinder Assembly
- How to Disassemble Stroke Sensing Arm Cylinder Assembly
- How to Assemble Stroke Sensing Arm Cylinder Assembly
- Disassemble and Assemble Stroke Sensing Bucket Cylinder Assembly
- How to Disassemble Stroke and Reset Sensing Bucket Cylinder Assembly
- How to Assemble Stroke and Reset Sensing Bucket Cylinder Assembly
- CAB Related Parts
- Remove and Install Operator Cab Assembly
- How to Remove Operator Cab Assembly
- How to Install Operator Cab Assembly
- Remove and Install Operator Cab Glass (Adhered Glass)
- How to Remove Operator Cab Glass (Adhered Glass)
- How to Install Operator Cab Glass (Adhered Glass)
- Remove and Install Front Window Assembly
- How to Remove Front Window Assembly
- How to Install Front Window Assembly
- Remove and Install Floor Frame Assembly
- How to Remove Floor Frame Assembly
- How to Install Floor Frame Assembly
- Remove and Install Air Conditioner Unit Assembly
- How to Remove Air Conditioner Unit Assembly
- How to Install Air Conditioner Unit Assembly
- Remove and Install Operator Seat
- How to Remove Operator Seat
- How to Install Operator Seat
- How to Remove and Install Seat Belt
- How to Remove Seat Belt
- How to Install Seat Belt
- Remove and Install Work Equipment Control Lever Assembly
- How to Remove Work Equipment Control Lever Assembly
- How to Install Work Equipment Control Lever Assembly
- Remove and Install Front Wiper Assembly
- How to Remove Front Wiper Assembly
- How to Install Front Wiper Assembly
- Electrical System
- Remove and Install Engine Controller Assembly
- How to Remove Engine Controller Assembly
- How to Install Engine Controller Assembly
- Remove and Install Pump Controller Assembly
- How to Remove Pump Controller Assembly
- How to Install Pump Controller Assembly
- Remove and Install Work Equipment Controller Assembly
- How to Remove Work Equipment Controller Assembly
- How to Install Work Equipment Controller Assembly
- Remove and Install KomVision Controller Assembly
- How to Remove KomVision Controller Assembly
- How to Install KomVision Controller Assembly
- Remove and Install Machine Monitor Assembly
- How to Remove Machine Monitor Assembly
- How to Install Machine Monitor Assembly
- Remove and Install Pump Swash Plate Sensor
- How to Remove Pump Swash Plate Sensor
- How to Install Pump Swash Plate Sensor
- Remove and Install Mass Air Flow and Temperature Sensor
- How to Remove Mass Air Flow and Temperature Sensor
- How to Install Mass Air Flow and Temperature Sensor
- Remove and Install KCCV Crankcase Pressure Sensor
- How to Remove KCCV Crankcase Pressure Sensor
- How to Install KCCV Crankcase Pressure Sensor
- Remove and Install SCR Temperature Sensor (Applicable Machine:85001 to 86205)
- Remove SCR Temperature Sensor (Applicable Machine:85001 to 86205)
- Install SCR Temperature Sensor (Applicable Machine:85001 to 86205)
- Remove and Install SCR Temperature Sensor (Applicable Machine:86206 and up)
- How to Remove SCR Temperature Sensor (Applicable Machine:86206 and up)
- How to Install SCR Temperature Sensor (Applicable Machine:86206 and up)
- Remove and Install Rearview Camera
- How to Remove Rearview Camera
- How to Install Rearview Camera
- Remove and Install KomVision Camera
- How to Remove KomVision Camera
- How to Install KomVision Camera
- Remove and Install Gateway Controller Assembly
- How to Remove Gateway Controller Assembly
- How to Install Gateway Controller Assembly
- Remove and Install Communication Terminal Wiring Harness
- How to Remove Communication Terminal Wiring Harness
- How to Install Communication Terminal Wiring Harness
- Remove and Install Communication Terminal
- How to Remove Communication Terminal
- How to Install Communication Terminal
- Remove and Install ICT Sensor Controller Assembly
- How to Remove ICT Sensor Controller Assembly
- How to Install ICT Sensor Controller Assembly
- Remove and Install Junction Harness of Control Box
- How to Remove Junction Harness of Control Box
- How to Install Junction Harness of Control Box
- Remove and Install Control Box Harness
- How to Remove Control Box Harness
- How to Install Control Box Harness
- Remove and Install GNSS Receiver
- How to Remove GNSS Receiver
- How to Install GNSS Receiver
- Remove and Install GNSS Radio Device Antenna
- How to Remove GNSS Radio Device Antenna
- How to Install GNSS Radio Device Antenna
- Remove and Install Network Modem Antenna
- How to Remove Network Modem Antenna
- How to Install Network Modem Antenna
- Remove and Install GNSS Antenna
- How to Remove GNSS Antenna
- How to Install GNSS Antenna
- Remove and Install IMU Sensor
- How to Remove IMU Sensor
- How to Install IMU Sensor
- 60 Maintenance Standard
- Table of Contents
- Engine and Cooling System
- Maintenance Standard for Engine Mount
- Maintenance Standard for Cooling System
- Maintenance Standard for Cooling Fan Pump
- Maintenance Standard for Servo Valve
- Maintenance Standard for Cooling Fan Motor
- Power Train
- Maintenance Standard for Swing Circle
- Maintenance Standard for Swing Machinery
- Maintenance Standard for Final Drive
- Maintenance Standard for Sprocket
- Maintenance Standard for Sprocket Tooth Profile Full-Scale Drawing
- Undercarriage and Frame
- Maintenance Standard for Track Frame and Idler Cushion
- Maintenance Standard for Idler
- Maintenance Standard for Track Roller
- Maintenance Standard for Carrier Roller
- Maintenance Standard for Track Shoes
- Maintenance Standard for Triple Shoes
- Hydraulic System
- Maintenance Standard for Main Pump
- Maintenance Standard for Swing Motor
- Maintenance Standard for Travel Motor
- Maintenance Standard for Control Valve
- Maintenance Standard for Boom Anti-Drop Valve
- Maintenance Standard for Arm Anti-Drop Valve
- Maintenance Standard for Work Equipment and Swing PPC Valve
- Maintenance Standard for Travel PPC Valve
- Maintenance Standard for 1st-Line Attachment PPC Valve (with EPC Valve)
- Maintenance Standard for EPC Valve of 1st-Line Attachment PPC Valve
- Maintenance Standard for Solenoid Valve
- Maintenance Standard for Attachment Circuit Selector Valve
- Maintenance Standard for Center Swivel Joint
- Work Equipment
- Maintenance Standard for Work Equipment Linkage
- Dimensions of Arm
- Dimensions of Bucket
- Maintenance Standard for Boom Cylinder
- Maintenance Standard for Stroke Sensing Boom Cylinder
- Maintenance Standard for Stroke Sensing Arm Cylinder
- Maintenance Standard for Stroke and Reset Sensing Bucket Cylinder
- Maintenance Standard for Stroke Sensor for Boom Cylinder
- Maintenance Standard for Stroke Sensor for Arm Cylinder
- Maintenance Standard for Stroke and Reset Sensor for Bucket Cylinder
- 80 Appendix
- Table of Contents
- Precautions Before Work
- Air Conditioner System
- Precautions for Refrigerant
- Air Conditioner Component
- Specifications of Air Conditioner
- Structure and Function of Refrigeration Cycle
- Outline of Refrigeration Cycle
- Component Parts of Air Conditioner System
- Air Conditioner Unit
- Configuration Diagram of Air Conditioner Unit
- Function of Air Conditioner Unit
- Component Parts of Air Conditioner Unit
- Function of Evaporator as Air Conditioner Unit Component
- Function of Heater Core as Air Conditioner Unit Component
- Function of Evaporator Temperature Sensor as Air Conditioner Unit Component
- Function of Servo Motor as Air Conditioner Unit Component
- Structure of Expansion Valve as Air Conditioner Unit Component
- Function of Expansion Valve as Air Conditioner Unit Component
- Operate Expansion Valve as Air Conditioner Unit Component
- Function of Dual Pressure Switch
- Air Conditioner Controller
- Structure of Air Conditioner Controller
- Compressor
- Structure of Compressor
- Specifications of Compressor
- Function of Compressor
- Condenser
- Structure of Condenser
- Specifications of Condenser
- Function of Condenser
- Receiver Drier
- Structure of Receiver Dryer
- Specifications of Receiver Dryer
- Function of Receiver Dryer
- Air Conditioner Related Sensors
- Structure of Sunlight Sensor
- Function of Sunlight Sensor
- Structure of Outside Temperature Sensor
- Function of Outside Air Temperature Sensor
- Explanation of Procedure for Test of and Troubleshooting of Air Conditioner
- Circuit Diagram and Configuration of Connector Pins of Air Conditioner
- System Diagram of Air Conditioner
- Input and Output Signals of Air Conditioner Controller
- Function of Air Conditioner Controller
- Locations of Air Conditioner Parts and Layout of Connectors
- Examine Air Leakage (Duct)
- How to Examine Air Leakage (Duct)
- Examine Air Conditioner with Self-Diagnosis Function
- Open the Electrical System Abnormality Record Screen in Service Mode of Machine Monitor
- Examine Vent (Mode) Changeover
- How to Examine Vent (Mode) Changeover
- Examine Fresh/Recirc Air Changeover
- How to Examine Fresh/Recirc Air Changeover
- Examine Sunlight Sensor
- How to Examine Sunlight Sensor
- Examine Refrigerant (Dual) Pressure Switch
- How to Examine Refrigerant (Dual) Pressure Switch
- Examine Relay
- Air Conditioner Troubleshooting Chart 1
- Air Conditioner Troubleshooting Chart 2
- Information Shown in Troubleshooting Table
- Failure Code [879AKA]
- Failure Code [879AKB]
- Failure Code [879BKA]
- Failure Code [879BKB]
- Failure Code [879CKA]
- Failure Code [879CKB]
- Failure Code [879DKZ]
- Failure Code [879EMC]
- Failure Code [879FMC]
- Failure Code [879GKX]
- A-1 Troubleshooting for Power Supply System (Air Conditioner Does Not Operate)
- A-2 Troubleshooting for Compressor and Refrigerant System (Air is Not Cooled)
- A-3 Troubleshooting for Blower Motor System (No Air Comes Out or Air Flow is Abnormal)
- A-4 Troubleshooting for Fresh/Recirc Air Changeover
- Troubleshooting by Gauge Pressure
- Connect Service Tool
- How to Connect Service Tool
- Precautions for Disconnection and Connection of Air Conditioner Piping
- Handle Compressor Oil
- 90 Circuit Diagrams
- Table of Contents
- Hydraulic Circuit Diagram
- Symbols Used in Hydraulic Circuit Diagram
- Hydraulic Circuit Diagram (1/3)
- Hydraulic Circuit Diagram (2/3)
- Hydraulic Circuit Diagram (3/3)
- Electrical Circuit Diagram
- Symbols Used in Electric Circuit Diagram
- Electrical Circuit Diagram (1/16) (Applicable Machine: 85001-86423)
- Electrical Circuit Diagram (2/16) (Applicable Machine: 85001-86423)
- Electrical Circuit Diagram (3/16) (Applicable Machine: 85001-86423)
- Electrical Circuit Diagram (4/16) (Applicable Machine: 85001-86423)
- Electrical Circuit Diagram (5/16) (Applicable Machine: 85001-86423)
- Electrical Circuit Diagram (6/16) (Applicable Machine: 85001-86423)
- Electrical Circuit Diagram (7/16) (Applicable Machine: 85001-86423)
- Electrical Circuit Diagram (8/16) (Applicable Machine: 85001-86423)
- Electrical Circuit Diagram (9/16) (Applicable Machine: 85001-86423)
- Electrical Circuit Diagram (10/16) (Applicable Machine: 85001-86423)
- Electrical Circuit Diagram (11/16) (Applicable Machine: 85001-86423)
- Electrical Circuit Diagram (12/16) (Applicable Machine: 85001-86423)
- Electrical Circuit Diagram (13/16) (Applicable Machine: 85001-86423)
- Electrical Circuit Diagram (14/16) (Applicable Machine: 85001-86423)
- Electrical Circuit Diagram (15/16) (Applicable Machine: 85001-86423)
- Electrical Circuit Diagram (16/16) (Applicable Machine: 85001-86423)
- Electrical Circuit Diagram (1/16) (Applicable Machine: 86424 and up)
- Electrical Circuit Diagram (2/16) (Applicable Machine: 86424 and up)
- Electrical Circuit Diagram (3/16) (Applicable Machine: 86424 and up)
- Electrical Circuit Diagram (4/16) (Applicable Machine: 86424 and up)
- Electrical Circuit Diagram (5/16) (Applicable Machine: 86424 and up)
- Electrical Circuit Diagram (6/16) (Applicable Machine: 86424 and up)
- Electrical Circuit Diagram (7/16) (Applicable Machine: 86424 and up)
- Electrical Circuit Diagram (8/16) (Applicable Machine: 86424 and up)
- Electrical Circuit Diagram (9/16) (Applicable Machine: 86424 and up)
- Electrical Circuit Diagram (10/16) (Applicable Machine: 86424 and up)
- Electrical Circuit Diagram (11/16) (Applicable Machine: 86424 and up)
- Electrical Circuit Diagram (12/16) (Applicable Machine: 86424 and up)
- Electrical Circuit Diagram (13/16) (Applicable Machine: 86424 and up)
- Electrical Circuit Diagram (14/16) (Applicable Machine: 86424 and up)
- Electrical Circuit Diagram (15/16) (Applicable Machine: 86424 and up)
- Electrical Circuit Diagram (16/16) (Applicable Machine: 86424 and up)
- Index
Komatsu
