Service manual Komatsu PC950-11R, PC950LC-11R 10118 & Up | SEN06980-03

Komatsu PC950-11R, PC950LC-11R 10118 & Up SEN06980-03 (Preview)

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 When You Dispose of Waste Materials
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: PC950-11R
Specification Drawing: PC950-11R (SE)
Specification Drawing: PC950LC-11R
Specification Drawing: PC950LC-11R (SE)
Working Range Drawings
Working Range Drawings: PC950-11R
Working Range Drawings: PC950-11R (SE)
Working Range Drawings: PC950LC-11R
Working Range Drawings: PC950LC-11R (SE)
Specifications
Specifications: PC950-11R
Specifications: PC950-11R (SE)
Specifications: PC950LC-11R
Specifications: PC950LC-11R (SE)
Weight Table
Weight Table: PC950-11R
Weight Table: PC950-11R (SE)
Weight Table: PC950LC-11R
Weight Table: PC950LC-11R (SE)
How to Use Fuel, 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
Battery Disconnect Switch
Function of Battery Disconnect Switch
Engine System
Layout Drawing of Engine System
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
Automatic Low Idle System
Automatic Low Idle System Diagram
Function of Automatic Low Idle System
Operation of Automatic Low Idle 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
PTO
PTO Lubrication System
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 of Oil Cooler
Cooling Fan Motor of Radiator
Cooling Fan Motor of Oil Cooler
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 1
Pump Controller 2
Pump Controller 3
Resistor for Pump Secondary Drive
CAN Terminating Resistor
Engine Controller
Fuel Control Dial
Fuel Feed Pump
Fuel Feed Pump Switch
Hydraulic System
Layout Drawing of Hydraulic System
Electronic OLSS
Structure of Electronic OLSS
Function of Electronic OLSS
Engine and Pump Combined Control System
Engine and Pump Combined Control System Diagram
Function of Engine and Pump Combined Control System
Component Parts of Hydraulic System
Hydraulic Tank
Main Pump
Control Valve
Variable Back Pressure Valve
Work Equipment System
Layout Drawing of Work Equipment System
Work Equipment System Diagram
Machine Push-up System
Machine Push-up System Diagram
Function of Machine Push-up System
Boom Shockless Control Function
Boom Shockless Control Function System Diagram
Operation of Boom Shockless Control Function
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
Component Parts of Work Equipment System
Work Equipment and Swing PPC Valve
PPC Shuttle Valve
Solenoid Valve
Boom Regeneration Valve
Lock Valve
Quick Return Valve
Pilot Circuit Accumulator
Accumulator of Quick Return Circuit
Auto-Greasing System
Layout Drawing of Auto-Greasing System
Grease Lubrication System Diagram
Function of Grease Lubrication System
Specifications of Grease Lubrication System
Component Parts of Grease Lubrication System
Grease Pump
Automatic Lubrication Injector
Swing System
Layout Drawing of Swing System
Swing Control System Diagram
Operation of Swing System
Function of Swing Control System
Function of Swing Priority and Boom Raise Priority System
Component Parts of Swing System
Charge Pump and Radiator Cooling Fan Pump
Swing Pump
Neutral Hold Valve
Charge Relief Valve of Electronically Controlled Close Circuit Swing System
Charge Accumulator
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
Straight-Travel Valve
Travel Motor (PC950-11R, PC950LC-11R)
Final Drive (PC950-11R, PC950LC-11R)
Travel PPC Valve
Center Swivel Joint
Undercarriage and Frame
Layout Drawing of Undercarriage
Specifications of Undercarriage (PC950-11R, PC950LC-11R)
Lifting System
Hydraulically Operated Stairway System
Layout Drawing of Hydraulically Operated Stairway System
Hydraulically Operated Stairway System Diagram
Function of Hydraulically Operated Stairway System
Component Parts of Lifting System
Switch Box
Proximity Switch Part
Control Valve Assembly
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
CAB
Structure of 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: PC950-11R
Standard Value Table for Engine: PC950-11R(SE)
Standard Value Table for Engine: PC950LC-11R
Standard Value Table for Engine: PC950LC-11R(SE)
Standard Value Table for Machine
Standard Value Table for Machine: PC950-11R
Standard Value Table for Machine: PC950-11R(SE)
Standard Value Table for Machine: PC950LC-11R
Standard Value Table for Machine: PC950LC-11R(SE)
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 Temperature
How to Examine Exhaust Gas Temperature
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 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 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 Circuit for Leakage
Handle Cylinder Cut-out Mode Operation
Handle No-Injection Cranking Operation
Write Injector Compensation Value to Engine Controller
How to Write Injector Compensation Value
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 in Hydraulic System
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, 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 and Adjust Oil Pressure in Control Circuit
How to Examine Control Circuit Oil Pressure
How to Adjust Oil Pressure in Control Circuit
Examine Pump EPC Solenoid Valve Outlet Pressure
How to Examine Pump EPC Solenoid Valve Outlet Pressure
How to Examine Pump EPC Solenoid Valve Electric Current
Examine and Adjust Jet Sensor Differential Pressure
How to Examine Jet Sensor Differential Pressure with Machine Monitor
How to Examine Jet Sensor Differential Pressure by Testing Tool
How to Adjust Jet Sensor Differential Pressure
How to Test Jet Sensor Differential Pressure Sensor Volt
Test and Adjust Swing Oil Pressure
How to Test Swing Oil Pressure
How to Adjust Swing Oil Pressure
Bleed Air from Swing Pump
How to Bleed Air from Swing Pump
How to Bleed Air from Servo Valve of Swing Pump
Test Outlet Pressure of Swing Neutral Hold Valve EPC Solenoid Valve
How to Test Outlet Pressure of Swing Neutral Hold Valve EPC Solenoid Valve
How to Test Swing Neutral Hold Valve EPC Solenoid Valve Current
How to Test Swing Neutral Hold Valve Stroke Sensor
Open Swing Junction Valve When Swing Operation Cannot be Operated
How to Open Swing Junction Valve When Swing Operation Cannot be Operated
Examine Outlet Pressure of Solenoid Valve
How to Examine Outlet Pressure of Solenoid Valve
Operating Condition of Solenoid Valve
Examine Outlet Pressure of EPC Solenoid Valve
How to Examine EPC Solenoid Valve Outlet Pressure
Examine PPC Valve Outlet Pressure
How to Examine PPC Valve Outlet Pressure
Adjust Play of Work Equipment and Swing PPC Valves
How to Adjust Play of Work Equipment and Swing PPC Valves
Examine Travel Deviation
How to Examine Travel Deviation
How to Adjust Travel Deviation
Examine Fan Speed
How to Examine Radiator Fan Speed
How to Examine Oil Cooler Fan Speed
Examine Oil Pressure in Fan Pump Circuit
How to Examine Radiator Fan Pump Circuit Oil Pressure by Machine Monitor
How to Examine Radiator Fan Pump Circuit Oil Pressure by Testing Tool
How to Examine Oil Cooler Fan Pump Circuit Oil Pressure by Machine Monitor
How to Examine Oil Cooler Fan Pump Circuit Oil Pressure by Testing Tool
Examine Fan Pump EPC Electric Current
How to Examine Radiator Fan Pump EPC Electric Current
How to Examine Oil Cooler Fan Pump EPC Electric Current
Examine Fan Pump EPC Solenoid Valve Outlet Pressure
How to Examine Radiator Fan Pump EPC Solenoid Valve Outlet Pressure
How to Examine EPC Solenoid Valve Outlet Pressure of Oil Cooler Fan Pump
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
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 Swing Motor
How to Examine Oil Leakage from Travel Motor
How to Examine Oil Leakage of Swivel Joint
Bleed Air from Hydraulic System
How to Bleed Air from Hydraulic Circuit
CAB Related Parts
Examine CAB Tipping Stopper
How to Examine Cab Tipping Stopper
How to Adjust Mirrors
Procedure to Adjust Left Front Mirror (A)
Procedure to Adjust Regular Position of Machine Left Front Mirror (A)
Procedure to Adjust Right Front Mirror (B)
Procedure to Adjust Regular Position of Machine Right Front Mirror (B)
Procedure to Adjust Right Front Mirror (C)
Procedure to Adjust Regular Position of Machine Right Front Mirror (C)
Automatic Lubrication System
Examine and Adjust Automatic Lubrication System
How to Examine Automatic Lubrication System
How to Adjust Automatic Lubrication System
Lifting System
Examine and Adjust Hydraulically Operated Stairway Proximity Switch
How to Examine Clearance of Hydraulically Operated Stairway Proximity Switch
How to Adjust Clearance of Hydraulically Operated Stairway Proximity Switch
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 Menu
Diagnostic Tests Menu
Adjustment Menu
Machine Configuration Menu
No-Injection Cranking Operation
KOMTRAX Settings Menu
How to Show Service Message
How to Start Up KOMTRAX System (Machine with Gateway Function Controller)
How to Stop Use of KOMTRAX System (Machine with Gateway Function Controller)
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)
KomVision screen – Check 12 m visibility
Handle Voltage Circuit of Engine Controller
Handle Battery Disconnect Switch
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: PC950-11R
Pm Clinic Check Sheet: PC950-11R(SE)
Pm Clinic Check Sheet: PC950LC-11R
Pm Clinic Check Sheet: PC950LC-11R(SE)
40 Troubleshooting
Table of Contents
Precautions Before Work
Related Information to Troubleshooting
General Troubleshooting Points
Sequence of Events in Troubleshooting
Inspection Before Troubleshooting
Inspection Procedure Before Troubleshooting
Walk-Around Check
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 (Machine with Large Quantity Prefilter)
Replace Fuel Prefilter Cartridge (Machine with Large Quantity Prefilter)
Examine Fuel Main Filter
Examine Engine Oil Level (Oil Quantity in Oil Pan)
Examine Coolant Level (Expansion Tank)
Replace Coolant Filter Cartridge
Examine Air Cleaner Clogging
Clean Outer Element
Replace Element
Check Hydraulic Oil Level
Examine Hydraulic Oil Strainer
Examine Hydraulic Oil Filter
Examine Oil Level in Swing Machinery Case
Examine Oil Level in PTO Case
Examine PTO Lubrication Filter Strainer
Examine Oil Level in Final Drive Case
Bleed Air from Fuel System
Bleed Air from Hydraulic System
How to Examine Electrical Components
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 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
How to Diagnose Wiring Harness for Open Circuit of Pressure Sensor System
Connectors List
Connector Layout (1)
Connector Layout (2)
Connector Layout (3)
Connector Layout (4)
Connector Layout (5)
Connector Layout (6)
Connector Layout (7)
Connector Layout (8)
Connector Layout (9)
Connector Layout (10)
Connector Layout (11)
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 [60D2NX]
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 [8800ZG]
Failure Code [A900FR]
Failure Code [A900N6]
Failure Code [A900NY]
Failure Code [AA10NX]
Failure Code [AB00KE]
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 [CA221]
Failure Code [CA222]
Failure Code [CA234]
Failure Code [CA238]
Failure Code [CA239]
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 [CA386]
Failure Code [CA428]
Failure Code [CA429]
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 [CA559]
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 [D108FS]
Failure Code [D108KA]
Failure Code [D108KB]
Failure Code [D108KY]
Failure Code [D10HKA]
Failure Code [D110KB]
Failure Code [D163KB]
Failure Code [D195KA]
Failure Code [D195KB]
Failure Code [D19JKZ]
Failure Code [D19UFS]
Failure Code [D19UKA]
Failure Code [D19UKB]
Failure Code [D19UKY]
Failure Code [D1ETKB]
Failure Code [D1F0KA]
Failure Code [D1F0KB]
Failure Code [D1F0KY]
Failure Code [D1S1KA]
Failure Code [D1S1KB]
Failure Code [D1S1KY]
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 [DA22KT]
Failure Code [DA25KP]
Failure Code [DA26KP]
Failure Code [DA29KQ]
Failure Code [DA2LKA]
Failure Code [DA2LKB]
Failure Code [DA2QKR]
Failure Code [DA2RKR]
Failure Code [DA7AMC]
Failure Code [DA7BKK]
Failure Code [DA7BKT]
Failure Code [DA7CKP]
Failure Code [DA7DKP]
Failure Code [DA7EKQ]
Failure Code [DA7FKA]
Failure Code [DA7FKB]
Failure Code [DA7GKR]
Failure Code [DA7HKR]
Failure Code [DA7JKR]
Failure Code [DAF0KM]
Failure Code [DAF0KT]
Failure Code [DAF0MB]
Failure Code [DAF0MC]
Failure Code [DAF3KK]
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 [DBP0KM]
Failure Code [DBP0KT]
Failure Code [DBP5KB]
Failure Code [DBP5KY]
Failure Code [DBPQKR]
Failure Code [DBZ0MC]
Failure Code [DBZ2KK]
Failure Code [DBZ2KT]
Failure Code [DBZ5KP]
Failure Code [DBZ6KP]
Failure Code [DBZ9KQ]
Failure Code [DBZJKR]
Failure Code [DBZLKA]
Failure Code [DBZLKB]
Failure Code [DBZQKR]
Failure Code [DBZRKR]
Failure Code [DDNRKA]
Failure Code [DDNRKY]
Failure Code [DDNS00]
Failure Code [DDXAL4]
Failure Code [DGE5KB]
Failure Code [DGH2KA]
Failure Code [DGH2KB]
Failure Code [DH25MA]
Failure Code [DH26MA]
Failure Code [DHA4KA]
Failure Code [DHF1MA]
Failure Code [DHF2MA]
Failure Code [DHF7L8]
Failure Code [DHF7MA]
Failure Code [DHF8L8]
Failure Code [DHF8MA]
Failure Code [DHHDMA]
Failure Code [DHHDZG]
Failure Code [DHHEMA]
Failure Code [DHHFMA]
Failure Code [DHHGL8]
Failure Code [DHHGMA]
Failure Code [DHPEMA]
Failure Code [DHPFMA]
Failure Code [DHPSMA]
Failure Code [DHPTMA]
Failure Code [DHPUMA]
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 [DHVAL8]
Failure Code [DHVAMA]
Failure Code [DHVBL8]
Failure Code [DHVBMA]
Failure Code [DJE7MA]
Failure Code [DJS1MA]
Failure Code [DKK0KB]
Failure Code [DKK0MA]
Failure Code [DKR0MA]
Failure Code [DKR1MA]
Failure Code [DKR2MA]
Failure Code [DKR2NX]
Failure Code [DKR3MA]
Failure Code [DKR3NX]
Failure Code [DKR5MA]
Failure Code [DKR6MA]
Failure Code [DKTKMA]
Failure Code [DKTMMA]
Failure Code [DKTNMA]
Failure Code [DKTPMA]
Failure Code [DKULKA]
Failure Code [DKULKB]
Failure Code [DKULKY]
Failure Code [DKV5L8]
Failure Code [DKV5MA]
Failure Code [DKVEL8]
Failure Code [DKVEMA]
Failure Code [DKVFL8]
Failure Code [DKVFMA]
Failure Code [DKVGL8]
Failure Code [DKVGMA]
Failure Code [DKVHL8]
Failure Code [DKVHMA]
Failure Code [DKVJL8]
Failure Code [DKVJMA]
Failure Code [DLM3KA]
Failure Code [DLM3KB]
Failure Code [DLM3MB]
Failure Code [DLM8KA]
Failure Code [DLM8KB]
Failure Code [DLM8MB]
Failure Code [DLMCLC]
Failure Code [DLMCMA]
Failure Code [DMU6KB]
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 [DW4CKA]
Failure Code [DW4CKY]
Failure Code [DW7BKA]
Failure Code [DW7BKB]
Failure Code [DW7BKY]
Failure Code [DW7HKA]
Failure Code [DW7HKB]
Failure Code [DW7HKY]
Failure Code [DW91KA]
Failure Code [DW91KB]
Failure Code [DW91KY]
Failure Code [DWA7KA]
Failure Code [DWA7KB]
Failure Code [DWA7KY]
Failure Code [DWADKA]
Failure Code [DWADKB]
Failure Code [DWADKY]
Failure Code [DWK2KA]
Failure Code [DWK2KB]
Failure Code [DWK2KY]
Failure Code [DWM1KA]
Failure Code [DWM1KB]
Failure Code [DWM1KY]
Failure Code [DWN5KA]
Failure Code [DWN5KB]
Failure Code [DWNCKA]
Failure Code [DWNCKB]
Failure Code [DWNRKA]
Failure Code [DWNRKB]
Failure Code [DWNRKY]
Failure Code [DXAAKA]
Failure Code [DXAAKB]
Failure Code [DXABKA]
Failure Code [DXABKB]
Failure Code [DXACKA]
Failure Code [DXACKB]
Failure Code [DXACKY]
Failure Code [DXACL8]
Failure Code [DXADKA]
Failure Code [DXADKB]
Failure Code [DXADKY]
Failure Code [DXADL8]
Failure Code [DXAEKA]
Failure Code [DXAEKB]
Failure Code [DXAEKY]
Failure Code [DXAEL8]
Failure Code [DXAFKA]
Failure Code [DXAFKB]
Failure Code [DXAFKY]
Failure Code [DXAFL8]
Failure Code [DXAGKA]
Failure Code [DXAGKB]
Failure Code [DXAGKY]
Failure Code [DXP1KA]
Failure Code [DXP1KB]
Failure Code [DXP1KY]
Failure Code [DXP1L8]
Failure Code [DXP2KA]
Failure Code [DXP2KB]
Failure Code [DXP2KY]
Failure Code [DXP2L8]
Failure Code [DXR3KA]
Failure Code [DXR3KB]
Failure Code [DXR3KY]
Failure Code [DXR4KA]
Failure Code [DXR4KB]
Failure Code [DXR4KY]
Failure Code [DXR6KA]
Failure Code [DXR6KB]
Failure Code [DXR6KY]
Failure Code [DXR9KA]
Failure Code [DXR9KB]
Failure Code [DXR9KY]
Failure Code [DXRCKA]
Failure Code [DXRCKB]
Failure Code [DXRCKY]
Failure Code [DXRFKA]
Failure Code [DXRFKB]
Failure Code [DXRFKY]
Failure Code [DXRGKA]
Failure Code [DXRGKB]
Failure Code [DXRGKY]
Failure Code [DXRJKA]
Failure Code [DXRJKB]
Failure Code [DXRJKY]
Failure Code [DXRKKA]
Failure Code [DXRKKB]
Failure Code [DXRKKY]
Failure Code [DY20KA]
Failure Code [DY20MA]
Failure Code [DY2CKA]
Failure Code [DY2CKB]
Failure Code [DY2DKB]
Failure Code [DY2EKB]
Failure Code [DY2FMA]
Failure Code [DY2GKM]
Failure Code [DY2MMA]
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 [K100N1]
Failure Code [LA10ZL]
Failure Code [LA20ZL]
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 Caution Lamp Comes On in Yellow
While Starting Switch is Turned to ON Position (with Engine Stopped), Radiator Coolant Level Caution Lamp 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
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
Coolant Temperature Gauge Display Does Not Move from Minimum or Maximum
Display of 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)
Auto-Deceleration Monitor Does Not Come On or Go Out While Auto-Deceleration Switch is Operated
Auto-Deceleration is Not Operated or Canceled with Lever
Work Mode Selector Screen is Not Shown While Work 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
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
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
Wiper Does Not Operate When Wiper Switch is Operated
When Window Washer Switch is Operated, Window Washer Does Not Operate
Fuel Feed Pump Does Not Operate or Stop Automatically
“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
“Right Travel” is Not Shown Correctly with Monitoring Function
“Left Travel” is Not Shown Correctly with Monitoring Function
KOMTRAX System Does Not Operate Correctly
Machine Push-up Function Cannot be Canceled
Machine Push-up Function Does Not Operate
Step Light Does Not Come on
Step Light Does Not Go Off
Boom Shockless Function Cannot be Canceled
Boom Shockless Function Does Not Work
Electric Grease Gun Does Not Work
Electric Grease Gun Does Not Stop
Screen Shows that Emergency Stop Button is Operated
Troubleshooting for Hydraulic and Mechanical Systems (H Mode)
All Work Equipment or Travel Does Not Operate
All Work Equipment and Travel Speeds are Low or Power is Low
Engine Speed Drops Largely or Engine Stops
Unusual Noise is Heard from Around Work Equipment Pump and Swing Pump
Boom RAISE Speed or Power is Low
Boom LOWER Speed or Power is Low
Boom LOWER Speed or Power is Low in Machine Push Up Mode
Arm Speed or Power is Low
Bucket Speed or Power is Low
Boom Does Not Operate
Arm Does Not Operate
Bucket Does Not Operate
Hydraulic Drift of Boom is Large
Hydraulic Drift of Arm is Large
Hydraulic Drift of Bucket is Large
Time Lag of Boom is Large
Time Lag of Arm is Large
Time Lag of Bucket is Large
Machine Unintentionally Turns to One Side When Machine Travels
Travel Deviation is Large at Start of Travel Only When Travel Lever is Fully Moved
Regardless of the Stroke of the Travel Lever, Travel Deviation is Large at Start of Traveling
Travel Deviation is Large at Combined Operation
Travel Speed or Power is Low
Only the One Side Track Can Operate (Machine Does Not Travel Forward or Reverse)
Only the One Side Track Can Operate (Machine Can Travel Only Forward or Reverse)
Travel Speed Does Not Change
Upper Structure Does Not Swing to Right or Left
Machine Swings Only in One Direction
Swing Acceleration or Swing Speed is Low in Lateral Directions (Right and Left)
Swing Acceleration Performance is Unsatisfactory or Swing Speed is Slow in Only One Direction
Upper Structure Overruns Too Much When It Stops Swing Operation (Right and Left)
Upper Structure Speed is High When It Stops Swing Operation (on One Side)
Shock is Large When Upper Structure Stops Swing Operation (Right and Left)
Shock is Large When Upper Structure Starts and Stops Swing Operation
Unusual Noise is Heard from Around Swing Pump or Motor
Large Unusual Noise is Heard When Upper Structure Stops Swing Operation in Only One Direction
Swing Drift of Swing is Large
Fan Rotation is Abnormal (Such as Excessive Noise or Vibration of Fan, or Overheating).
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 Engine Oil Consumption is Excessive
S-10 Oil Becomes Dirty Quickly
S-11 Fuel Consumption is Excessive
S-12 Oil is in Coolant (or Coolant Spurts Back or Coolant Level Goes Down)
S-13 Engine Oil Pressure Falls
S-14 Fuel Mixes Into Engine Oil
S-15 Water Mixes Into Engine Oil (Milky)
S-16 Coolant Temperature Increases Too High (Overheat)
S-17 There is an Unusual Noise
S-18 Vibration is Excessive
S-19 Air Cannot be Bled from Fuel Circuit
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
Drain and Add Fuel
How to Drain Fuel
How to Add Fuel
Collect and Refill Refrigerant
How to Collect Refrigerant
How to Refill Refrigerant
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 Cylinder Head Assembly
How to Remove Cylinder Head Assembly
How to Install Cylinder Head Assembly
Remove and Install Starting Motor 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 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 Cooling Assembly
How to Remove Cooling Assembly
How to Install Cooling Assembly
Remove and Install Cooling Fan Motor Assembly
How to Remove Cooling Fan Motor Assembly
How to Install Cooling Fan Motor Assembly
Remove and Install Engine, PTO, and Hydraulic Pump Assembly
How to Remove Engine, PTO, and Hydraulic Pump Assembly
How to Install Engine, PTO, and Hydraulic Pump Assembly
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 Muffler Assembly
How to Remove Muffler Assembly
How to Install Muffler Assembly
Remove and Install Bellows Pipe Assembly
How to Remove Bellows Pipe Assembly
How to Install Bellows Pipe Assembly
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 PTO Assembly
How to Remove PTO Assembly
How to Install PTO Assembly
Disassemble and Assemble PTO Assembly
How to Disassemble PTO Assembly
How to Assemble PTO Assembly
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
Disassemble and Assemble One Track Link Assembly in Field
Disassemble One Track Link Assembly in Field
Assemble One Track Link Assembly in Field
Remove and Install Idler Assembly
How to Remove Idler Assembly
Install Idler Assembly
Remove and Install Idler Cushion Assembly
How to Remove Idler Cushion Assembly
How to Install 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
Assemble Idler Cushion Assembly
Remove and Install Track Roller Assembly
Remove Track Roller Assembly
How to Install Track Roller Assembly
Remove and Install Carrier Roller Assembly
How to Remove Carrier Roller Assembly
How to Install Carrier Roller 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
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 Hydraulic Pump Assembly
How to Remove Hydraulic Pump Assembly
How to Install Hydraulic Pump Assembly
Remove and Install Control Valve Assembly
How to Remove Control Valve Assembly
How to Install Control Valve Assembly
Remove and Install Neutral Hold Valve Assembly
How to Remove Neutral Hold Valve Assembly
How to Install Neutral Hold Valve Assembly
Remove and Install Swing Motor Assembly
How to Remove Swing Motor Assembly
How to Install Swing Motor 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
Disassemble and Assemble Grease Gun Assembly
How to Disassemble Grease Gun Assembly
How to Assemble Grease Gun Assembly
Work Equipment
Remove and Install Bucket Cylinder Assembly
How to Remove Bucket Cylinder Assembly
How to Install Bucket Cylinder Assembly
Remove and Install Arm Cylinder Assembly
How to Remove Arm Cylinder Assembly
How to Install Arm Cylinder Assembly
Remove and Install Boom Cylinder Assembly
How to Remove Boom Cylinder Assembly
How to Install Boom Cylinder Assembly
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 Boom Assembly
How to Remove Boom Assembly
How to Install Boom Assembly
Disassemble and Assemble Boom Cylinder Assembly
How to Disassemble Boom Cylinder Assembly
How to Assemble Boom Cylinder Assembly
Disassemble and Assemble Bucket Cylinder Assembly
How to Disassemble Bucket Cylinder Assembly
How to Assemble Bucket Cylinder Assembly
Disassemble and Assemble Arm Cylinder Assembly
How to Disassemble Arm Cylinder Assembly
How to Assemble Arm 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
Remove Front Window Assembly
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 Seatbelt
Remove and Install Front Wiper Assembly
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 Controller1 Assembly
How to Remove Pump Controller1 Assembly
How to Install Pump Controller1 Assembly
Remove and Install Pump Controller2 Assembly
How to Remove Pump Controller2 Assembly
How to Install Pump Controller2 Assembly
Remove and Install Pump Controller3 Assembly
How to Remove Pump Controller3 Assembly
How to Install Pump Controller3 Assembly
Remove and Install KomVision Controller Assembly
Remove KomVision Controller Assembly
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 Intake Air Temperature Sensor
How to Remove Intake Air Temperature Sensor
How to Install Intake Air Temperature Sensor
Remove and Install Crankcase Pressure Sensor
Remove Crankcase Pressure Sensor
Install Crankcase Pressure Sensor
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
60 Maintenance Standard
Table of Contents
Engine and Cooling System
Maintenance Standard for Engine Mount
Maintenance Standard for PTO
Maintenance Standard for Cooling System
Maintenance Standard of Cooling Fan Pump of Oil Cooler
Maintenance Standard for Servo Valve
Maintenance Standard of Cooling Fan Motor of Radiator
Maintenance Standard of Cooling Fan Motor of Oil Cooler
Power Train
Maintenance Standard for Swing Circle
Maintenance Standard for Swing Machinery
Maintenance Standard for Final Drive (PC950-11R, PC950LC-11R)
Maintenance Standard for Sprocket (PC950-11R, PC950LC-11R)
Maintenance Standard for Sprocket Tooth Profile Full-Scale Drawing (PC950-11R, PC950LC-11R)
Undercarriage and Frame
Maintenance Standard for Track Frame and Idler Cushion (PC950-11R, PC950LC-11R)
Maintenance Standard for Idler (PC950-11R, PC950LC-11R)
Maintenance Standard for Track Roller (PC950-11R, PC950LC-11R)
Maintenance Standard for Carrier Roller (PC950-11R, PC950LC-11R)
Maintenance Standard for Track Shoes (PC950-11R, PC950LC-11R)
Maintenance Standard for Double Shoes (PC950-11R, PC950LC-11R)
Hydraulic System
Maintenance Standard for Main Pump
Maintenance Standard for Main Pump Servo Valve
Maintenance Standard for Main Pump EPC Valve
Maintenance Standard of Swing Pump
Maintenance Standard for EPC Valve of Swing Valve
Maintenance Standard of Neutral Hold Valve
Maintenance Standard of EPC Valve of Neutral Hold Valve
Maintenance Standard of Charge Pump and Radiator Cooling Fan Pump
Maintenance Standard for Swing Motor
Maintenance Standard for Swing Junction Valve
Maintenance Standard for Travel Motor (PC950-11R, PC950LC-11R)
Maintenance Standard for Control Valve
Maintenance Standard for Variable Back Pressure Valve
Maintenance Standard of Boom Regeneration Valve
Maintenance Standard of Lock Valve (Common to Boom Lock Valve and Arm Lock Valve)
Maintenance Standard of Quick Return Valve
Maintenance Standard for Work Equipment and Swing PPC Valve
Maintenance Standard for Travel PPC Valve
Maintenance Standard for Solenoid Valve
Maintenance Standard for Center Swivel Joint
Work Equipment
Maintenance Standard for Work Equipment Linkage
Dimensions of Arm (PC950-11R, PC950LC-11R)
Dimensions of Arm (PC950-11R, PC950LC-11R) (SE)
Dimensions of Bucket (PC950-11R, PC950LC-11R)
Dimensions of Bucket (PC950-11R, PC950LC-11R) (SE)
Maintenance Standard for Boom Cylinder
Maintenance Standard for Arm Cylinder (PC950-11R, PC950LC-11R)
Maintenance Standard for Arm Cylinder (PC950-11R, PC950LC-11R) (SE)
Maintenance Standard for Bucket Cylinder (PC950-11R, PC950LC-11R)
Maintenance Standard for Bucket Cylinder (PC950-11R, PC950LC-11R) (SE)
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
How to 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
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 (1/2)
Hydraulic Circuit Diagram (2/2)
Electrical Circuit Diagram
Symbols Used in Electric Circuit Diagram
Electrical Circuit Diagram (1/27)
Electrical Circuit Diagram (2/27)
Electrical Circuit Diagram (3/27)
Electrical Circuit Diagram (4/27)
Electrical Circuit Diagram (5/27)
Electrical Circuit Diagram (6/27)
Electrical Circuit Diagram (7/27)
Electrical Circuit Diagram (8/27)
Electrical Circuit Diagram (9/27)
Electrical Circuit Diagram (10/27)
Electrical Circuit Diagram (11/27)
Electrical Circuit Diagram (12/27)
Electrical Circuit Diagram (13/27)
Electrical Circuit Diagram (14/27)
Electrical Circuit Diagram (15/27)
Electrical Circuit Diagram (16/27)
Electrical Circuit Diagram (17/27)
Electrical Circuit Diagram (18/27)
Electrical Circuit Diagram (19/27)
Electrical Circuit Diagram (20/27)
Electrical Circuit Diagram (21/27)
Electrical Circuit Diagram (22/27)
Electrical Circuit Diagram (23/27)
Electrical Circuit Diagram (24/27)
Electrical Circuit Diagram (25/27)
Electrical Circuit Diagram (26/27)
Electrical Circuit Diagram (27/27)