The Komatsu PC138E-11 Crawler Excavator is a mid-size machine used for utility work, road jobs, and tight urban sites where swing clearance matters. People who usually reach for the Komatsu PC138E-11 Crawler Excavator Shop Manual (SEN06979-05) are dealership techs, independent shops, and serious fleet mechanics. They’re trying to do real repairs, not just daily checks—things like engine work, swing bearing jobs, hydraulic troubleshooting, and electrical fault tracing. If you want the “how and why” behind proper workshop procedures, this is the type of book you’re looking for.
What this manual helps you do
- Trace hydraulic issues by following circuit diagrams and step‑by‑step test procedures most shops rely on.
- Diagnose electrical faults using wiring schematics, connector views, and typical voltage/resistance checks.
- Follow correct disassembly and reassembly sequences for major components so you don’t miss seals, shims, or alignment steps.
- Check adjustment procedures for controls, travel, and work equipment so the machine responds correctly and safely.
- Verify inspection points and wear limits that guide you on whether to repair, rebuild, or replace assemblies.
Who this is for
This shop manual is aimed at field technicians, dealership or fleet shop mechanics, and serious trainees learning full overhaul work. Operators or owners just wanting basic maintenance should be looking for the Operation & Maintenance manual instead, not this one.
FAQ
Q: Is this a PDF I can search and print?
A: Yes, this is a PDF you can search by keyword and print selected pages for use at the bench.
Q: Does it go deep enough for full component rebuilds?
A: Yes, the Komatsu PC138E-11 Crawler Excavator Shop Manual walks through diagnostic procedures, disassembly sequences, and reference data used during workshop-level repairs.
Q: How do I know if it fits my exact PC138E-11 variant?
A: You’ll want to match your machine’s serial plate and emissions configuration to the SEN06979-05 reference; if they don’t line up, you may need a different book number.
Bottom line: If you’re repairing or troubleshooting a PC138E-11 in a shop or field service role, this is more or less the right manual; if you only need operating tips and basic service intervals, keep looking for the operator’s/maintenance book instead.
📘 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 for Battery-Powered Hydraulic Excavator
- Precautions to Prevent Fire
- Prevent Fire
- Procedures If Fire Occurs
- Precautions When You Discard Waste Materials
- Precautions When You Handle Hydraulic Equipment
- Precautions When You Disconnect and Connect Pipings
- Precautions When You Handle Electrical Equipment
- Precautions for Maintenance of Power Electronics Components
- Precautions Against High Voltage and High Temperature
- Procedure for Inspection and Maintenance of Power Electronics Components
- Precautions for Normal Inspection and Maintenance
- Precautions When Machine Falls over and Power Electronics Components Have Damage
- Precautions for Machine Not to be Put in Water
- 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 Disconnect and Connect High Voltage Wiring Connector of Power Electronics Components
- 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: PC138E-11
- Working Range Drawings
- Working Range Drawings: PC138E-11
- Specifications
- Specifications: PC138E-11
- Weight Table
- Coolant, Lubricant
- How to Use Coolant and Lubricants by Ambient Temperature
- 10 Structure and Function
- Table of Contents
- 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
- Operation of System Operating Lamp System
- Auxiliary Battery Disconnect Switch
- Function of Auxiliary Battery Disconnect Switch
- Function of Electric Motor Shutdown Secondary Switch
- Function of Electric Motor Shutdown Secondary Switch
- Operation of Electric Motor Shutdown Secondary Switch
- Electric Drive System
- Layout Drawing of Electric Drive System
- System Diagram of Electric Drive System
- Structure of Electric Drive System
- Worker Protection System When You Disassemble Power Electronics Components
- Function of Worker Protection System When You Disassemble Power Electronics Components
- High Voltage Wiring (Power Cable)
- Layout Drawing of High Voltage Wiring (Power Cable)
- Structure of High Voltage Wiring (Power Cable)
- Function of High Voltage Wiring (Power Cable)
- Component Parts of Electric Drive System
- Main Battery Assembly
- BTMS (Battery Thermal Management System)
- Inverter
- DC-DC Converter
- HVJB (High Voltage Junction Box)
- Power Distribution Unit
- Electric Motor
- Charging Port
- Electric Motor System
- Layout Drawing of Electric Motor System
- Electric Motor Control System
- System Diagram of Electric Motor Control System
- Operation of Electric Motor Control System
- Auto-Deceleration System
- System Diagram of Auto-Deceleration System
- Function of Auto-Deceleration System
- Operation of Auto-Deceleration System
- Overheat Prevention System
- Function of Overheat Prevention System
- Component Parts of Electric Motor System
- Cooling System
- Layout Drawing of Cooling System
- Specifications of Cooling System
- Fan Speed Control System of Electric Fan
- Function of Fan Speed Control System of Electric Fan
- Component Parts of Cooling System
- Control System
- Layout Drawing of Control System
- Machine Monitor System
- System Diagram of Machine Monitor System
- 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
- 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
- Power Management Controller
- Battery Integration Controller
- Telemetry (Battery Information Communication Terminal)
- Electric Fan Controller
- Motor Speed Adjustment Dial
- Hydraulic System
- Layout Drawing of Hydraulic System
- CLSS
- Structure of CLSS
- Function of CLSS
- Electric Motor and Pump Combined Control System
- System Diagram of Electric Motor and Pump Combined Control System
- Function of Electric Motor and Pump Combined Control System
- Component Parts of Hydraulic System
- Hydraulic Tank
- Main Pump
- Control Valve
- Work Equipment System
- Layout Drawing of Work Equipment System
- Structure of Valve Control
- 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
- Component Parts of Work Equipment System
- Work Equipment and Swing PPC Valve
- 1st-Line Attachment PPC Valve (with EPC Valve)
- Blade PPC Valve
- Solenoid Valve
- Variable Back Pressure Solenoid Valve
- Arm Dump Quick Return Valve
- Pilot Circuit Accumulator
- Attachment Circuit Accumulator (For Low Pressure Circuit)
- 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
- Travel PPC Valve
- Center Swivel Joint
- Undercarriage and Frame
- Layout Drawing of Undercarriage
- Specifications of Undercarriage
- Idler Cushion
- Structure of Idler Cushion
- Specifications of Idler Cushion
- 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
- Remove Wiring Harness Out of Cab
- 20 Standard Value Table
- Table of Contents
- Standard Value Table for Electric Motor
- Standard Value Table for Electric Motor: PC138E-11
- Standard Value Table for Machine
- Standard Value Table for Machine: PC138E-11
- Machine Posture and Procedures to Measure Performance
- 30 Testing and Adjusting
- Table of Contents
- Precautions Before Work
- Related Information on Testing and Adjusting
- Differences In Machine Monitor Symbols
- Tools for Testing and Adjusting
- Sketch of Tools for Testing and Adjusting
- Motor and Cooling System
- Examine Electric Motor Speed
- How to Examine Electric Motor Speed
- Examine and Adjust Air Conditioner Compressor Belt Tension
- How to Examine Air Conditioner Compressor Belt
- How to Adjust Air Conditioner Compressor Belt
- Electric Drive System
- Precautions for Electric Drive System
- Replace Desiccant for Main Battery
- How to Replace Desiccant for Main Battery
- Reset Desiccant Timer
- How to Reset Desiccant Timer
- Bleed Air from Coolant Circuit of Main Battery
- How to Bleed Air from Coolant Circuit of Main Battery
- Examine Water Level of Hot Water Heater and Add Water
- How to Examine Water Level of Hot Water Heater and Add Water
- Bleed Air from Water Circuit of Hot Water Heater
- How to Bleed Air from Water Circuit of Hot Water Heater
- 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 Tank
- How to Release Remained Pressure in Hydraulic Cylinder Circuit
- How to Release Remained Pressure from Swing Motor Circuit
- How to Release Remained Pressure from Travel Motor Circuit
- Examine and Adjust Oil Pressure in Work Equipment, Swing, Travel, and Blade Circuits
- How to Examine Oil Pressure in Work Equipment, Swing, Travel, and Blade Circuits
- How to Adjust Oil Pressure in Work Equipment, Swing, Travel, and Blade 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
- How to Examine PC Valve Outlet Pressure (Servo Piston Inlet Pressure)
- How to 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 Adjust LS Valve
- Examine Outlet Pressure of Solenoid Valve
- How to Examine Outlet Pressure of Solenoid Valve
- Operating Condition of Solenoid Valve
- How to Examine Outlet Pressure in Variable Back Pressure Solenoid Valve
- Operating Condition of Variable Back Pressure Solenoid Valve
- Examine PPC Valve Outlet Pressure
- How to Examine Outlet Pressure in PPC Valve
- Examine Attachment Circuit Oil Pressure
- How to Examine Attachment Circuit Oil Pressure
- Adjust Play of Work Equipment and Swing PPC Valves
- How to Adjust Play of Work Equipment and Swing PPC Valves
- Examine and Adjust Travel Deviation
- How to Examine Travel Deviation
- How to Adjust Travel Deviation
- 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 Parts Which Cause Hydraulic Drift of Arm Cylinder
- How to Examine Parts that Cause Hydraulic Drift of PPC Valve
- Examine Oil Leakage
- How to Examine Oil Leakage from Boom Cylinder
- How to Examine Oil Leakage from Arm Cylinder
- How to Examine Oil Leakage from Bucket Cylinder
- How to Examine Oil Leakage from Blade Cylinder
- How to Examine Oil Leakage from Swing Motor
- How to Examine Oil Leakage from Travel Motor
- Bleed Air from Hydraulic System
- How to Bleed Air from Hydraulic System
- Examine and Charge Accumulator (Made by Eagle Industry Co., Ltd.) Nitrogen Gas Pressure for Attachment
- How to Examine Accumulator (Made by Eagle Industry Co., Ltd.) Nitrogen Gas Pressure for Attachment
- CAB Related Parts
- Examine CAB Tipping Stopper
- How to Examine Cab Tipping Stopper
- Adjust Mirrors
- How to Adjust Machine Left Front Mirror (A)
- Adjust Machine Rear Mirror (B)
- How to Examine and Adjust Slide Door
- How to Examine and Adjust Slide Door When It is Closed and Locked
- How to Examine and Adjust Slide Door When It is Open and Locked
- 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 Monitoring Information
- Abnormality Record Menu
- How to See Maintenance Record
- Maintenance Mode Setting
- How to Set Phone Number Entry
- Default Setting Menu
- Testing Menu
- Adjustment Menu
- KOMTRAX Settings Menu
- How to Show Service Message
- How to Start Up KOMTRAX System
- How to Stop Use of KOMTRAX System
- 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)
- Set Region of Bluetooth(R) Compatible Radio
- How to Set Region of Bluetooth(R) Compatible Radio
- Handle Voltage Circuit of Power Management Controller
- Handle Auxiliary Battery Disconnect Switch
- Handle MSD of High Voltage Junction Box
- Handle MSD of Main Battery
- Set BMS Parameter
- Set and Adjust Inverter Parameter and Resolver
- How to Set Inverter Parameter
- How to Adjust Resolver
- Examine Diodes
- How to Examine Diodes by Digital Tester
- How to Examine Diodes by Analog Tester
- Pm Clinic
- Pm Clinic Service
- Pm Clinic Check Sheet: PC138E-11
- 40 Troubleshooting
- Table of Contents
- Precautions Before Work
- Related Information to Troubleshooting
- General Troubleshooting Points
- Sequence of Events in Troubleshooting
- Checks Before Troubleshooting
- Inspection Procedure Before Troubleshooting
- Test in Accordance with Testing Procedure
- See Main Battery Level
- See Heating Water Level
- Examine Hydraulic Oil Level
- Examine Hydraulic Oil Strainer
- Examine Hydraulic Oil Filter
- Examine Oil Level in Swing Machinery Case
- Examine Oil Level in Final Drive Case
- 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 Pump Controller
- Preparation for Troubleshooting of Gateway Function Controller
- How to Disconnect and Connect Connector with a Special Lock
- Procedure for Troubleshooting
- Symptom and Troubleshooting Numbers
- Information Shown in Troubleshooting Table
- Connector List and Layout
- Connector Layout (1)
- Connector Layout (2)
- Connector Layout (3)
- Connector Layout (4)
- Connector Layout (5)
- Connector Contact Connection Table
- T-Branch Box and T-Branch Adapter Table
- Fuse Location Table
- Failure Code Table
- Troubleshooting by Failure Code (Display of Code)
- Failure Code [#XD001]
- Failure Code [#XD002]
- Failure Code [#XD003]
- Failure Code [#XD004]
- Failure Code [#XD005]
- Failure Code [#XD009]
- Failure Code [#XD010]
- Failure Code [#XD011]
- Failure Code [#XD012]
- Failure Code [#XD013]
- Failure Code [#XD014]
- Failure Code [#XD015]
- Failure Code [#XD016]
- Failure Code [#XD017]
- Failure Code [#XD018]
- Failure Code [#XD019]
- Failure Code [#XD020]
- Failure Code [#XD021]
- Failure Code [#XD022]
- Failure Code [#XD023]
- Failure Code [#XD024]
- Failure Code [#XD027]
- Failure Code [#XD028]
- Failure Code [#XD029]
- Failure Code [#XD030]
- Failure Code [#XD031]
- Failure Code [#XD034]
- Failure Code [#XD036]
- Failure Code [#XD037]
- Failure Code [#XD038]
- Failure Code [#XD046]
- Failure Code [#XD057]
- Failure Code [#XD058]
- Failure Code [#XD060]
- Failure Code [#XD062]
- Failure Code [#XD063]
- Failure Code [#XD064]
- Failure Code [#XD065]
- Failure Code [#XI001]
- Failure Code [#XI002]
- Failure Code [#XI003]
- Failure Code [#XI005]
- Failure Code [#XI006]
- Failure Code [#XI007]
- Failure Code [#XI008]
- Failure Code [#XI010]
- Failure Code [#XI017]
- Failure Code [#XI018]
- Failure Code [#XI019]
- Failure Code [#XI021]
- Failure Code [#XI029]
- Failure Code [#XI030]
- Failure Code [#XM001]
- Failure Code [#XM002]
- Failure Code [#XM003]
- Failure Code [#XM004]
- Failure Code [#XM005]
- Failure Code [#XM006]
- Failure Code [#XM007]
- Failure Code [#XM008]
- Failure Code [#XM010]
- Failure Code [#XM011]
- Failure Code [#XM012]
- Failure Code [#XM013]
- Failure Code [#XM014]
- Failure Code [#XM015]
- Failure Code [#XM016]
- Failure Code [#XM017]
- Failure Code [#XM018]
- Failure Code [#XM025]
- Failure Code [#XM026]
- Failure Code [#XM027]
- Failure Code [#XM029]
- Failure Code [#XM032]
- Failure Code [#XM033]
- Failure Code [#XM034]
- Failure Code [#XM036]
- Failure Code [#XM037]
- Failure Code [#XP001]
- Failure Code [#XP002]
- Failure Code [#XP003]
- Failure Code [#XP004]
- Failure Code [#XP005]
- Failure Code [#XP006]
- Failure Code [#XP007]
- Failure Code [#XP008]
- Failure Code [#XP009]
- Failure Code [#XP010]
- Failure Code [#XP011]
- Failure Code [#XP012]
- Failure Code [#XP013]
- Failure Code [#XP014]
- Failure Code [#XP015]
- Failure Code [#XP016]
- Failure Code [#XP017]
- Failure Code [#XP018]
- Failure Code [#XP019]
- Failure Code [#XP020]
- Failure Code [#XP021]
- Failure Code [#XP022]
- Failure Code [#XP023]
- Failure Code [#XP024]
- Failure Code [#XP025]
- Failure Code [#XP026]
- Failure Code [#XP027]
- Failure Code [#XP028]
- Failure Code [#XP029]
- Failure Code [#XP030]
- Failure Code [#XP031]
- Failure Code [#XP032]
- Failure Code [#XP033]
- Failure Code [#XP034]
- Failure Code [#XP035]
- Failure Code [#XP036]
- Failure Code [#XP037]
- Failure Code [#XP038]
- Failure Code [#XP039]
- Failure Code [#XP041]
- Failure Code [#XP042]
- Failure Code [#XP043]
- Failure Code [#XP044]
- Failure Code [#XP045]
- Failure Code [#XP046]
- Failure Code [#XP047]
- Failure Code [#XP048]
- Failure Code [#XP049]
- Failure Code [#XP050]
- Failure Code [#XP051]
- Failure Code [#XP052]
- Failure Code [#XP053]
- Failure Code [#XP054]
- Failure Code [#XP055]
- Failure Code [#XP056]
- Failure Code [#XP057]
- Failure Code [#XP058]
- Failure Code [#XP059]
- Failure Code [#XP060]
- Failure Code [#XP061]
- Failure Code [#XP062]
- Failure Code [#XP063]
- Failure Code [#XP064]
- Failure Code [#XP065]
- Failure Code [#XP066]
- Failure Code [#XP067]
- Failure Code [#XP068]
- Failure Code [#XP069]
- Failure Code [#XP070]
- Failure Code [#XP071]
- Failure Code [#XP072]
- Failure Code [#XP073]
- Failure Code [#XP074]
- Failure Code [#XP075]
- Failure Code [#XP076]
- Failure Code [#XP077]
- Failure Code [#XP078]
- Failure Code [#XP079]
- Failure Code [#XP080]
- Failure Code [#XP081]
- Failure Code [#XP082]
- Failure Code [#XP083]
- Failure Code [#XP085]
- Failure Code [#XP086]
- Failure Code [#XP087]
- Failure Code [#XP088]
- Failure Code [#XPV01]
- Failure Code [#XPV02]
- Failure Code [#XPV03]
- Failure Code [#XPV04]
- Failure Code [#XPV05]
- Failure Code [#XPV06]
- Failure Code [#XPV07]
- Failure Code [#XPV08]
- Failure Code [#XPV09]
- Failure Code [#XPV10]
- Failure Code [#XPV11]
- Failure Code [#XPV12]
- Failure Code [#XPV13]
- Failure Code [#XPV14]
- Failure Code [#XPV15]
- Failure Code [#XPV16]
- Failure Code [#XPV17]
- Failure Code [#XPV18]
- Failure Code [#XPV19]
- Failure Code [#XPV20]
- Failure Code [#XPV21]
- Failure Code [#XPV22]
- Failure Code [#XPV23]
- Failure Code [#XPV24]
- Failure Code [#XPV25]
- Failure Code [#XPV26]
- Failure Code [#XPV27]
- Failure Code [#XPV28]
- Failure Code [#XPV29]
- Failure Code [#XPV30]
- Failure Code [#XPV31]
- Failure Code [#XPV32]
- Failure Code [#XPV33]
- Failure Code [#XPV34]
- Failure Code [#XPV35]
- Failure Code [#XPV36]
- Failure Code [#XPV37]
- Failure Code [#XPV38]
- Failure Code [#XPV39]
- Failure Code [#XPV40]
- Failure Code [#XPV41]
- Failure Code [#XPV42]
- Failure Code [#XPV43]
- Failure Code [#XPV44]
- Failure Code [#XPV45]
- Failure Code [#XPV46]
- Failure Code [#XPV47]
- Failure Code [#XPV48]
- Failure Code [#XPV49]
- Failure Code [#XPV50]
- Failure Code [#XPV51]
- Failure Code [#XPV52]
- Failure Code [#XPV53]
- Failure Code [#XPV54]
- Failure Code [#XPV55]
- Failure Code [#XPV56]
- Failure Code [#XPV57]
- Failure Code [#XPV58]
- Failure Code [#XPV59]
- Failure Code [#XPV60]
- Failure Code [#XPV61]
- Failure Code [#XPV62]
- Failure Code [#XPV63]
- 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 [B@HANS]
- Failure Code [D110KB]
- Failure Code [D19JKZ]
- Failure Code [D811MC]
- Failure Code [D862KA]
- Failure Code [D8ALKA]
- Failure Code [D8ALKB]
- Failure Code [D8AQKR]
- Failure Code [D8G1KT]
- Failure Code [D8G6KT]
- Failure Code [DA20MC]
- Failure Code [DA22KK]
- Failure Code [DA22KT]
- Failure Code [DA25KP]
- Failure Code [DA26KP]
- Failure Code [DA29KQ]
- Failure Code [DA2JKT]
- Failure Code [DA2JKY]
- Failure Code [DA2LKA]
- Failure Code [DA2LKB]
- Failure Code [DA2QKR]
- Failure Code [DA2RKR]
- Failure Code [DAF0KM]
- Failure Code [DAF0MB]
- Failure Code [DAF0MC]
- Failure Code [DAF9KQ]
- Failure Code [DAFGMC]
- Failure Code [DAFLKA]
- Failure Code [DAFLKB]
- Failure Code [DAFQKR]
- Failure Code [DAZ9KQ]
- Failure Code [DAZQKR]
- Failure Code [DBP0KM]
- Failure Code [DBP0KT]
- Failure Code [DBP5KB]
- Failure Code [DBP5KY]
- Failure Code [DBPQKR]
- Failure Code [DDNRKA]
- Failure Code [DDNRKY]
- Failure Code [DDNS00]
- Failure Code [DF40KZ]
- 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 [DHPAMA]
- 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 [DHSKMA]
- Failure Code [DHSLMA]
- Failure Code [DHX1MA]
- Failure Code [DKULKA]
- Failure Code [DKULKB]
- Failure Code [DKULKY]
- 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]
- Failure Code [DW91KA]
- Failure Code [DW91KB]
- Failure Code [DW91KY]
- Failure Code [DWA2KA]
- Failure Code [DWA2KB]
- Failure Code [DWA2KY]
- Failure Code [DWJ0KA]
- Failure Code [DWJ0KB]
- Failure Code [DWJ0KY]
- Failure Code [DWK2KA]
- Failure Code [DWK2KB]
- Failure Code [DWK2KY]
- Failure Code [DWNSKA]
- Failure Code [DWNSKB]
- Failure Code [DWNSKY]
- Failure Code [DXA8KA]
- Failure Code [DXA8KB]
- Failure Code [DXE4KA]
- Failure Code [DXE4KB]
- Failure Code [DXE4KY]
- 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 [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 [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 [GA01KA]
- Failure Code [GA01KB]
- Failure Code [GA01KY]
- Failure Code [GA01LK]
- Failure Code [GBB1N8]
- Failure Code [GBM0N8]
- Failure Code [GBR2N8]
- Failure Code [GBRDKA]
- Failure Code [GBRDKB]
- Failure Code [GBRDKY]
- Failure Code [GBS0KT]
- Failure Code [GBS2KZ]
- Failure Code [GBS5KB]
- Failure Code [GBS5KY]
- Failure Code [GBS7KK]
- Failure Code [GBS7KL]
- Failure Code [GBS7KU]
- Failure Code [GBS8KB]
- Failure Code [GBS9KB]
- Failure Code [GBS9KZ]
- Failure Code [GBSAZK]
- Failure Code [GBSBKA]
- Failure Code [GBSBKB]
- Failure Code [GBSCFS]
- Failure Code [GBSCKA]
- Failure Code [GBSCKB]
- Failure Code [GBSCKY]
- Failure Code [GBSDKA]
- Failure Code [GBSDKB]
- Failure Code [GBSDKY]
- Failure Code [GBSHN8]
- Failure Code [GBSJZE]
- Failure Code [GBSLKA]
- Failure Code [GBSLKY]
- Failure Code [GBSQKR]
- Failure Code [GBSRKR]
- Failure Code [GBSSZE] (Action Level L01)
- Failure Code [GBSSZE] (Action Level L03)
- Failure Code [GBSSZE] (Action Level L04)
- Troubleshooting of Electrical System (E-Mode)
- Electric Motor Does Not Start (Electric Motor Does Not Run)
- When Starting Switch is Turned to ON Position, Machine Monitor Shows Nothing
- Hydraulic Oil Temperature Monitor Comes On in White While Electric Motor Runs
- Temperature Monitor of Power Electronics Components Comes On in Red While Electric Motor Runs
- Hydraulic Oil Temperature Monitor Comes On in Red While Electric Motor Runs
- Temperature Gauge of Power Electronics Components Does Not Move from Minimum or Maximum
- 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
- 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 Electric Motor 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
- All Work Equipment, Swing, Travel Cannot be Locked
- 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
- Work Equipment Does Not Operate While Lock Lever Automatic Release Switch is in Release Position
- 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
- Blade RAISE is Not Shown Correctly with Monitoring Function
- Blade LOWER is Not Shown Correctly with Monitoring Function
- KOMTRAX System Does Not Operate Correctly
- Troubleshooting for Hydraulic and Mechanical Systems (H Mode)
- Information Shown in Troubleshooting Table (H-Mode)
- Failure Mode and Cause Table
- All Work Equipment, Swing and Travel Do Not Work
- All Work Equipment, Swing, and Travel Lack Speed or Power
- Fine Control Performance or Response is Unsatisfactory
- Unusual Noise is Heard from Around Hydraulic Pump
- Electric Motor Speed Decreases Largely or Electric Motor Stops
- Boom Speed or Power is Low
- Arm Speed or Power is Low
- Bucket Speed or Power is Low
- Blade Speed or Power is Low
- 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
- Hydraulic Drift of Blade is Large
- When Single Work Equipment is Released Hydraulically, Other Work Equipment Moves
- Time Lag of Work Equipment is Large
- 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 Too Much When It Stops Swing Operation (Right and Left)
- Upper Structure Overruns Too Much When It Stops Swing Operation (Only One Direction)
- Shock is Large When Upper Structure Stops Swing Operation
- Large Unusual Noise is Made When Upper Structure Stops Swing Operation
- 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)
- 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
- Prepare
- Drain and Add Coolant
- How to Drain Coolant
- How to Add Coolant
- Drain and Add Hydraulic Oil
- How to Drain Hydraulic Oil
- How to Add Hydraulic Oil
- Collect and Refill Refrigerant
- How to Collect Refrigerant
- How to Refill Refrigerant
- Electric Motor and Cooling System
- Remove and Install Air Conditioner Compressor Belt
- How to Remove Air Conditioner Compressor Belt
- How to Install Air Conditioner Compressor Belt
- Remove and Install Hydraulic Oil Cooler Assembly
- How to Remove Hydraulic Oil Cooler Assembly
- How to Install Hydraulic Oil Cooler Assembly
- Remove and Install Hood Assembly
- How to Remove Hood Assembly
- How to Install Hood 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
- Remove and Install Electric Fan Assembly
- How to Remove Electric Fan Assembly
- How to Install Electric Fan Assembly
- Remove and Install BTMS
- How to Remove BTMS
- How to Install BTMS
- 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 Travel Motor and Final Drive Assembly
- How to Disassemble Travel Motor and Final Drive Assembly
- How to Assemble Travel Motor and 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
- 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 Control Valve Assembly
- How to Remove Control Valve Assembly
- How to Install Control Valve Assembly
- Disassemble and Assemble Control Valve Assembly
- How to Assemble Control Valve Assembly
- How to Replace Pressure Reducing Valve Cartridge 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 Blade Assembly
- How to Remove Blade Assembly
- How to Install Blade 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 Work Equipment Cylinder Assembly
- How to Disassemble Work Equipment Cylinder Assembly
- How to Assemble Work Equipment 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 Slide Door
- How to Remove Slide Door
- How to Install Slide Door
- 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
- Remove and Install Seat Belt
- How to Remove Seat Belt
- How to Install Seatbelt
- 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
- Remove and Install Lower Wiper Assembly
- How to Remove Lower Wiper Assembly
- How to Install Lower Wiper Assembly
- Remove and Install Hot Water Heater Assembly
- How to Remove Hot Water Heater Assembly
- How to Install Hot Water Heater Assembly
- Electrical System
- Remove and Install Pump Controller Assembly
- How to Remove Pump Controller Assembly
- How to Install Pump 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 KomVision Camera
- How to Remove KomVision Camera
- How to Install KomVision Camera
- Remove and Install Gateway Function Controller Assembly
- How to Remove Gateway Function Controller Assembly
- How to Install Gateway Function 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 Power Management Controller Assembly
- How to Remove Power Management Controller Assembly
- How to Install Power Management Controller Assembly
- Remove and Install Electric Motor Assembly
- How to Remove Electric Motor Assembly
- How to Install Electric Motor Assembly
- Remove and Install Main Battery MSD
- How to Remove Main Battery MSD
- How to Install Main Battery MSD
- Remove and Install Main Battery
- How to Remove Main Battery
- How to Install Main Battery
- Remove and Install Desiccant for Main Battery
- How to Remove Desiccant for Main Battery
- How to Install Desiccant for Main Battery
- Remove and Install Inverter
- How to Remove Inverter
- How to Install Inverter
- Remove and Install HVJB
- How to Remove HVJB
- How to Install HVJB
- Remove and Install Power Distribution Unit
- How to Remove Power Distribution Unit
- How to Install Power Distribution Unit
- Remove and Install DC-DC Converter
- Remove DC-DC Converter
- Install DC-DC Converter
- Remove and Install Charging Port
- How to Remove Charging Port
- How to Install Charging Port
- Remove and Install Telemetry
- How to Remove Telemetry
- How to Install Telemetry
- Remove and Install Main Battery Integration Controller
- How to Remove Main Battery Integration Controller
- How to Install Main Battery Integration Controller
- 60 Maintenance Standard
- Table of Contents
- Explanation of Terms for Maintenance Standard
- Electric Motor and Cooling System
- Maintenance Standard for Electric Motor
- Maintenance Standard for Electric Motor Terminal
- Maintenance Standard for Inverter Mount
- Maintenance Standard for Cooling System
- Maintenance Standard for Main Battery
- Maintenance Standard for BTMS
- Maintenance Standard for Coupling
- Electric Devices
- Maintenance Standard for HVJB Mount
- Maintenance Standard for DC-DC Converter Mount
- Maintenance Standard for Power Distribution Unit Mount
- Maintenance Standard for Charging Port Mount
- Maintenance Standard for Heater
- Power Train
- Maintenance Standard for Swing Circle
- Maintenance Standard for Swing Machinery
- Maintenance Standard for Sprocket
- 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
- Maintenance Standard for Road Liner
- Hydraulic System
- Maintenance Standard for Hydraulic Tank
- Maintenance Standard for Main Pump
- Maintenance Standard for PC-EPC Valve
- 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 Blade 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 Variable Back Pressure Solenoid Valve
- Maintenance Standard for Attachment Circuit Selector Valve (For Low Pressure)
- Maintenance Standard for Attachment Circuit Accumulator (For Low Pressure Circuit)
- Maintenance Standard for Arm OUT Quick Return 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 Arm Cylinder
- Maintenance Standard for Bucket Cylinder
- Maintenance Standard for Blade Cylinder
- CAB Related Parts
- Maintenance Standard for CAB Mount
- 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
- 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]
- Troubleshooting for Power Supply System (Air Conditioner Does Not Operate)
- Troubleshooting for Compressor and Refrigerant System (Air is Not Cooled)
- Troubleshooting for Blower Motor System (No Air Comes Out or Air Flow is Abnormal)
- 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
- How to Replace Desiccant
- 90 Circuit Diagrams
- Table of Contents
- How to Read the Codes for Electric Cable
- Hydraulic Circuit Diagram
- Symbols Used in Hydraulic Circuit Diagram
- Hydraulic Circuit Diagram
- Hydraulic Circuit Diagram (at Boom RAISE Operation)
- Hydraulic Circuit Diagram (at Left Swing Operation)
- Hydraulic Circuit Diagram (at Boom RAISE and Left Swing Operation)
- Electrical Circuit Diagram
- Symbols Used in Electric Circuit Diagram
- High Voltage Wiring (Power Cable) Circuit Diagram
- Electrical Circuit Diagram (1/10)
- Electrical Circuit Diagram (2/10)
- Electrical Circuit Diagram (3/10)
- Electrical Circuit Diagram (4/10)
- Electrical Circuit Diagram (5/10)
- Electrical Circuit Diagram (6/10)
- Electrical Circuit Diagram (7/10)
- Electrical Circuit Diagram (8/10)
- Electrical Circuit Diagram (9/10)
- Electrical Circuit Diagram (10/10)
- Index
Komatsu
