Link Belt 490X4 Excavator Service Manual

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Link Belt 490X4 Excavator Index:

Excavator
SAFETY
- Safety, general information and standard torque data
- General Information
  - Safety
  - ROPS
- Standard Torque Data For Cap Screws And Nuts
  - Bolt and Nut Tightening
- Protection of Electric/Electronics System During Charging or Welding
A. LOWER
- Main Equipment Table
  - Lower Component
- Main Equipment Structure and Operation Explanation
  - Travel Motor
- Port Diagram
  - Travel Motor
  - Center Joint
- Basic Functions
  - Travel Speed Selection
  - Travel Alarm
- Removal and Installation of Track
  - Removal and Installation of Shoe Assembly
  - Removal and Installation of Shoe Plate
- Removal and Installation of Roller
  - Removal and Installation of Upper Roller
  - Assembly and Disassembly of Upper Roller
  - Removal and Installation of Lower Roller
  - Assembly and Disassembly of Lower Roller
- Removal and Installation of Retractable Lower Frame
  - Removal of Retractable Lower Frame
  - Installation of Retractable Lower Frame
- Removal and Installation of Drive Sprocket
  - Removal of Drive Sprocket
  - Installation of Drive Sprocket
- Removal and Installation of Take-up Roller
  - Removal of Take-up Roller
  - Installation of Take-up Roller
- Assembly and Disassembly of Take-up Roller
  - Configuration Diagram
  - Dimension Diagram
  - Jig Dimension Diagram
  - Disassembly Procedures
  - Assembly Procedures
- Removal and Installation of Grease Cylinder
  - Removal of Grease Cylinder
  - Installation of Grease Cylinder
- Assembly and Disassembly of Grease Cylinder
  - Configuration Diagram
  - Dimension Diagram
  - Jig Dimension Diagram
  - Disassembly Procedures
  - Assembly Procedures
- Removal and Installation of Center Joint
  - Removal of Center Joint
  - Installation of Center Joint
- Assembly and Disassembly of Center Joint
  - Configuration Diagram
  - Dimension Diagram
  - Jig Dimension Diagram
  - Disassembly Procedures
  - Assembly Procedures
- Removal and Installation of Travel Motor
  - Removal of Travel Motor
  - Installation of Travel Motor
- Assembly and Disassembly of Travel Motor
  - Tools for Assembly and Disassembly
  - Motor Disassembly Procedures
  - Maintenance standards
  - Assembly of motor
  - Troubleshooting
- Maintenance Standards
  - Drive sprocket
  - Take-up roller
  - Upper Roller
  - Lower Roller
  - Track Shoe (Grouser Shoe)
  - Inspection Gauge
- Pressure Measurement and Adjustment Procedures
  - Main Pressure Measurement
- Drain Volume Measurement Procedures
  - Preparations
  - Travel Motor Drain Volume Measurement
- Air Bleed Procedure
  - Travel Motor
B. C. SWING UNIT, COUNTERWEIGHT
- Main Equipment Table
  - Upper Component
- Counterweight Removal System (Option)
  - Solenoid Valves (Counterweight Raise/Lower and Arm Top/Bottom)
  - Cylinders (Counterweight Raise/Lower and Arm Top/Bottom)
  - stop valve
- Main Equipment Structure and Operation Explanation
  - Swing Motor
  - Structure of Counterweight Removal System
- Port Diagram
  - Swing motor
- Basic Functions
  - Swing brake
  - Swing Lock
  - Swing Speed Limit
  - Swing Relief Cut
  - Counterweight Removal/Installation Mode
- Removal and Installation of Swing Unit
  - Removal of Swing Unit
  - Installation of Swing Unit
- Assembly and Disassembly of Swing Unit
  - Disassembly
  - Assembly
- Assembly and Disassembly of Swing Motor
  - Causes of Trouble and Solutions
  - Maintenance Standard Table
  - Jig
  - Disassembly
  - Assembly
  - Swing Motor Internal Structural Diagram
- Removal and Installation of Counterweight
  - Removal of Counterweight
  - Installation of Counterweight
- Removal and Installation of Counterweight Removal System
  - Component Layout Diagrams of Counterweight Removal System
  - Removal and Installation of Counterweight Removal System Cylinders
  - Removal and Installation of Counterweight Removal System Solenoid Valves
- Pressure Measurement and Adjustment Procedures
  - Main Pressure Measurement
- Drain Volume Measurement Procedures
  - Preparations
  - Swing Motor Drain Volume Measurement
- Air Bleed Procedure
  - Swing motor
H. ENGINE
- Main Equipment Table
  - Engine-related
- Basic Functions
  - Fuel Gauge
  - Coolant Temperature Gauge
  - SCR Gauge
  - Fuel Economy Gauge
  - Neutral start
  - Power-cut Delay
  - Preheat
  - Throttle
  - Throttle Volume Position Detection
  - Idle start
  - Auto Idle
  - One-touch Idle
  - Auto Warm-Up
  - Idle Shutdown
  - Idle up
  - Work Mode Control
  - Engine Emergency Stop
  - SCR RE-GEN
  - Inducement
  - Feed Pump Automatic Stop
  - Coolant Level Decrease
  - Air Filter Clogging
  - Fuel Filter Clogging
  - Battery Charge Abnormality
  - Horsepower Reduction Control (in Uplands)
  - Horsepower Reduction Control (at Engine Failure)
- Main Data
- Function, Structure, Operation
- Function, structure, operation (SCR)
- SCR Control System Inspection
- Explanation of SCR Operation
- Diagnosis for Each Symptom
  - Intermittent conditions of urea selective catalytic reduction system
  - Urea fluid consumption too high
  - Ammonia smell noticeable
  - White crystalline powder visible
- Symptom
  - Engine start failure
  - Engine stalling
  - Engine hunching, rough idling
  - Excess Amount of White Smoke in Exhaust Gas
  - Excess Amount of Black Smoke in Exhaust Gas
  - Abnormal Noise
  - Large fuel consumption
  - Large oil consumption
  - Insufficient engine output
- Functional Inspection
  - Engine compression pressure inspection
  - Inspection of the fuel system
  - Lubrication System Inspection
  - Inspection of the air intake system
  - Inspection of the exhaust system
  - Inspection of EGR Control System
  - Inspection of the starting system
  - Inspection of the glow control system
  - OBD System Check
  - Inspection of the diagnostic light warning light illumination circuit system
  - Inspection of the monitor warning light blinking circuit system
  - Inspection of the starter circuit system
- Removal and Installation of Engine Assembly
  - Removal of Engine Assembly
  - Installation of Engine Assembly
- Removal and Installation of Fuel Cooler, Engine Intercooler, Radiator, and Oil Cooler
  - Removal and Installation of Fuel Cooler
  - Removal and Installation of Engine Intercooler
  - Removal and Installation of Radiator
  - Removal and Installation of Oil Cooler
  - Removal and Installation of Hydraulic Drive Fan
- Removal and Installation of Turbo Charger
  - Removal of Turbo Charger
  - Installation of Turbo Charger
  - Inspection of Turbo Charger
- Removal and Installation of EGR Valve (if equipped)
  - Removal of EGR Valve
  - Installation of EGR Valve
  - Inspection of EGR Valve
- Removal and Installation of Engine Hood
  - Removal of Engine Hood
  - Installation of Engine Hood
- Removal and Installation of SCR
  - Removal of SCR
  - Installation of SCR
- Removal and installation of Silicon Controlled Rectifier Catalyst
  - Removal of Silicon Controlled Rectifier Catalyst
  - Installation of Silicon Controlled Rectifier Catalyst
  - Disassembly of　Silicon Controlled Rectifier Catalyst
  - Assembly of Silicon Controlled Rectifier Catalyst
  - Inspection of Silicon Controlled Rectifier Catalyst
- Removal and Installation of Cylinder Head Cover
  - Removal of Cylinder head cover
  - Installation of Cylinder head cover
  - Removal and Installation of Cylinder Head
- Removal and Installation of Cylinder Block
  - Removal of Cylinder block
  - Cylinder liner removal
  - Cylinder liner installation
  - Installation of Cylinder block
  - Cylinder block Inspection
- Lubrication System
  - Removal and Installation of Oil Pan
  - Removal and Installation of Oil Level Switch
  - Removal and Installation of Oil Pump Assembly
  - Engine oil Inspection
  - Removal and installation of Piston oil jet
  - Removal and installation of Oil filter element
- Cooling System
  - Removal and Installation of Water Pump Assembly
  - Removal and Installation of Thermostat
  - Inspection of Coolant
  - Removal and installation of Generator drive belt
  - Removal and Installation of Overheat Switch
- Induction System
  - Inspection of Air cleaner element
- Exhaust System
  - Removal and installation of Oxidation Catalyst Assembly
- Aux. Emission Control Devices System
  - Removal and installation of Dosing Module
  - Removal and installation of DEF Supply Module
  - Removal and installation of Coolant Control Valve
  - Removal and Installation of DCU
  - Removal and installation of DEF Supply Module Filter
- Removal and Installation of Fuel Tank
  - Removal of Fuel Tank
  - Installation of Fuel Tank
- Removal and Installation of Urea Pump
  - Removal of Urea Pump
  - Installation of Urea Pump
- Removal and Installation of Urea Solution Tank
  - Removal of Urea Solution Tank
  - Installation of Urea Solution Tank
- Removal and Installation of Fuel Supply Pump
  - Removal of Fuel Supply Pump
  - Installation of Fuel Supply Pump
  - Inspection of　Fuel Supply Pump
- Removal and Installation of Common Rail Assembly
  - Removal of Common rail assembly
  - Installation of Common rail assembly
- Removal and Installation of Injector
  - Removal of Injector
  - Installation of Injector
- Removal and installation of Idle Gear
  - Removal of Idle Gear
  - Installation of Idle Gear
  - Inspection of Idle Gear
- Removal and installation of Crankshaft
  - Removal of Crankshaft
  - Installation of Crankshaft
  - Disassembly of Crankshaft
  - Assembly of Crankshaft
  - Inspection of Crankshaft
- Removal and installation of Piston
  - Removal of Piston
  - Installation of Piston
  - Disassembly of Piston
  - Assembly of Piston
  - Inspection of Piston
- Removal and installation of Camshaft
  - Removal of Camshaft
  - Installation of Camshaft
  - Disassembly of Camshaft
  - Assembly of Camshaft
  - Inspection of Camshaft
- Removal and installation of Flywheel
  - Removal of Flywheel
  - Installation of Flywheel
  - Disassembly of Flywheel
  - Assembly of Flywheel
  - Inspection of Flywheel
- Removal and installation of Rocker Arm Shaft
  - Removal of Rocker Arm Shaft
  - Installation of Rocker Arm Shaft
  - Disassembly of Rocker Arm Shaft
  - Assembly of Rocker Arm Shaft
  - Inspection of Rocker Arm Shaft
- Removal and installation of Front Cover
  - Removal of Front Cover
  - Installation of Front Cover
- Removal and installation of Intake Throttle Valve
  - Removal of Intake Throttle Valve
  - Installation of Intake Throttle Valve
- Removal and Installation of Starter Motor
  - Removal of Starter Motor
  - Installation of Starter Motor
  - Disassembly of Starter Motor
  - Assembly of Starter Motor
  - Inspection of Starter Motor
- Removal and Installation of Alternator
  - Removal of Alternator
  - Installation of Alternator
  - Disassembly of Alternator
  - Assembly of Alternator
  - Inspection of Alternator
- Removal and Installation of Glow Plug
  - Removal of Glow plug
  - Installation of Glow plug
  - Glow plug Inspection
- Removal and installation of Fuel Filter
  - Removal of Fuel Filter
  - Installation of Fuel Filter
- Removal and installation of Fuel Filter Element
  - Removal of Fuel Filter Element
  - Installation of Fuel Filter Element
- Removal and installation of Fuel temperature sensor
  - Removal of Fuel temperature sensor
  - Installation of Fuel temperature sensor
  - Inspection of Fuel temperature sensor
- Removal and installation of Pressure limiter
  - Removal of Pressure limiter
  - Installation of Pressure limiter
- Removal and installation of Fuel pressure sensor
  - Removal of Fuel pressure sensor
  - Installation of Fuel pressure sensor
  - Inspection of Fuel pressure sensor
- Removal and Installation of Fuel filter pressure
  - Removal of Fuel filter pressure sensor
  - Installation of Fuel filter pressure sensor
- Removal and Installation of Engine coolant temperature sensor
  - Removal of Engine coolant temperature sensor
  - Installation of Engine coolant temperature sensor
  - Engine coolant temperature sensor Inspection
- Removal and Installation of CKP sensor
  - Removal of CKP sensor
  - CKP sensor Installation
  - CKP sensor Inspection
- Removal and Installation of CMP sensor
  - Removal of CMP sensor
  - CMP sensor Installation
  - CMP sensor Inspection
- Removal and Installation of Oil pressure sensor
  - Oil pressure sensor Removal
  - Oil pressure sensor Installation
- Removal and installation of Pressure Sensor/Boost Temperature Sensor
  - Removal of Pressure sensor/boost temperature sensor
  - Installation of Pressure sensor/boost temperature sensor
  - Inspection of Pressure sensor/boost temperature sensor
- Removal and Installation of IMT sensor
  - Removal of IMT sensor
  - Installation of IMT sensor
- Removal and installation of MAF and IAT sensor
  - Removal of MAF and IAT sensor
  - Installation of MAF and IAT sensor
  - Inspection of MAF and IAT sensor
- Removal and installation of Charge Air Cooler Temperature Sensor 1
  - Removal of Charge air cooler temperature sensor 1
  - Installation of Charge air cooler temperature sensor 1
  - Inspection of Charge air cooler temperature sensor 1
- Sampling Procedure
  - Sampling of Engine Oil
- Removal and Installation of Exhaust gas temperature sensor
  - Removal of Exhaust gas temperature sensor
  - Installation of Exhaust gas temperature sensor
  - Inspection of Exhaust gas temperature sensor
- Removal and installation of EGR Gas Temperature Sensor 1
  - Removal of EGR Gas Temperature Sensor 1
  - Installation of EGR Gas Temperature Sensor 1
  - Inspection of EGR Gas Temperature Sensor 1
- Removal and installation of EGR Gas Temperature Sensor 2
  - Removal of EGR Gas Temperature Sensor 2
  - Installation of EGR Gas Temperature Sensor 2
  - Inspection of EGR Gas Temperature Sensor 2
- Removal and installation of EGR Gas Temperature Sensor 3
  - Removal of EGR Gas Temperature Sensor 3
  - Installation of EGR Gas Temperature Sensor 3
  - Inspection of EGR Gas Temperature Sensor 3
- Removal and installation of EGR Gas Temperature Sensor 4
  - Removal of EGR Gas Temperature Sensor 4
  - Installation of EGR Gas Temperature Sensor 4
  - Inspection of EGR Gas Temperature Sensor 4
- Removal and installation of NOx Sensor
  - Removal of NOx Sensor
  - Installation of NOx Sensor
- Removal and Installation of Exhaust gas temperature sensor 3
  - Removal of Exhaust gas temperature sensor 3
  - Installation of Exhaust gas temperature sensor 3
- Removal and installation of DEF Sensor
  - Removal of DEF Sensor
  - Installation of DEF Sensor
- Engine-related Diagnostic Trouble Code List
- Engine-side Trouble
  - ECM Trouble
  - DCU Trouble
- Data Reference Values
  - Non-operational P rotation
J. HYDRAULIC EQUIPMENT (PUMP, OPERATION SYSTEM VALVE)
- Main Equipment Table
  - Hydraulic Device
  - Control-related
- Basic Functions
  - Oil temperature gauge
  - Static Horsepower Control
  - Overload Warning (Function for Europe Only)
  - Pressure Boost Control
  - Stroke Control
  - Boom Down Energy Save
  - Pump Horsepower Cut Control
  - Pump Horsepower Boost Control
  - Arm 1 Semi-parallel Control
  - Arm 2 Semi-parallel Control
  - Hot Shutdown Warning
  - Gate Lock
  - Breaker Mode
  - Crusher Mode
  - Quick coupler
  - Hydraulic Fluid Filter Clogging
  - Solenoid Sticking Prevention
- Port Diagram
  - Hydraulic Pump (Standard Model)
  - Control Valve
  - 5 stack solenoid valve
  - 2 Stack Solenoid Valve
  - Remote Control Valves (upper, travel)
  - Cushion Valve
  - 2-way Selector Valve
  - Direction Valve
  - Reducing valve (5-line)
  - Relief Valve (electromagnetic proportional)
  - Manifold Under Cab
  - Manifold (accumulator section)
  - Manifold (hydraulic oil tank section)
- Hydraulic Pump
  - Type Indication
  - Specifications
  - Structure and Operation Explanation
  - Hydraulic Circuit Diagram
  - Hydraulic Pump Internal Structure Diagram
  - Regulator
  - Gear Pump
  - Operation Outline of Electronically-Controlled Pump
- Hydraulically-operated fan pump
  - Handling Procedures
  - How to Read Model Numbers
  - Performance
  - Structure
  - Causes of Trouble and Countermeasures
- Hydraulically-operated fan motor
  - External shape diagram
  - Internal Structure Diagram
  - Operation Explanation
- Control Valve
  - Basic Configuration
  - Operation
- 5 Stack Solenoid Valve Operation Explanation
  - External Shape Diagram and Components
  - operation explanation
- Upper Pilot Valve (remote control valve)
  - Structure
  - Function
  - Operation
  - Structural Diagram
- Travel Pilot Valve (remote control valve)
  - Operation
  - Structural Diagram
- Cushion Valve
  - structure
  - operation explanation
- Selector Valve (2-way)
  - Structure
  - operation explanation
  - Development Diagram
- Direction Valve (3-direction)
  - Structure
  - Operation Explanation
- Electromagnetic Relief Valve
  - Structure
  - Operation Explanation
- Removal and Installation of Hydraulic Reservoir
  - Removal of Hydraulic Reservoir
  - Installation of Hydraulic Oil Tank
- Removal and Installation of Hydraulic Pump
  - Removal of Hydraulic Pump
  - Installation of Hydraulic Pump
- Removal and Installation of Pump coupling
  - Removal of Pump Coupling
  - Installation of Pump Coupling
- Removal and Installation of Control Valve
  - Removal of Control Valve
  - Installation of Control Valve
- Removal and Installation of Travel Remote Control Valve
  - Removal of Travel Remote Control Valve
  - Installation of Travel Remote Control Valve
- Removal and Installation of Operation Remote Control Valve
  - Removal of Operation Remote Control Valve (left side)
  - Installation of Operation Remote Control Valve (left side)
  - Removal of Operation Remote Control Valve (right side)
  - Installation of Operation Remote Control Valve (right side)
- Installation and Removal of 5 Stack Solenoid Valve
  - Removal of 5 Stack Solenoid Valve
  - Installation of 5 Stack Solenoid Valve
- Removal and Installation of Cushion Valve
  - Removal of Cushion Valve
  - Installation of Cushion Valve
- Removal and Installation of Hydraulically-Operated Fan Pump
  - Removal of Hydraulically-Operated Fan Pump
  - Installation of Hydraulically-Operated Fan Pump
- Removal and Installation of Hydraulically-Operated Fan Motor
  - Removal of Hydraulically-Operated Fan Motor
  - Installation of Hydraulically-Operated Fan Motor
- Procedures for Assembly and Disassembly of Hydraulic Pump Main Unit
  - Tools
  - Disassembly Procedure
  - Assembly Procedure
- Pump Main Unit Maintenance Standards
  - Replacement Standard of Wear Component
  - Standards for repairing cylinders, valve plates, and swash plates (shoe plates)
  - Tightening torque
  - Overall View
  - Causes of Failures, and Actions
- Regulator Maintenance Standards
  - Regulator Adjustment
  - Appendix Table and Drawings
  - Regulator Assembly and Disassembly Procedures
- Assembly and Disassembly of Control Valve
  - Disassembly
  - Cleaning
  - Inspection
  - assembly
  - Internal Structural Diagram
  - part list
  - Relief Valve
  - Installation
  - Operation
  - Malfunction and Countermeasure
- Procedures for Assembly and Disassembly of Operation Remote Control Valve
  - Maintenance Procedures
  - Disassembly Procedures
  - Assembly Procedures
  - Causes of Trouble and Countermeasures
- Procedures for Assembly and Disassembly of Travel Remote Control Valve
  - Maintenance Procedures
  - Disassembly Procedures
  - Assembly Procedures
  - Causes of Trouble and Countermeasures
- Assembly and Disassembly of Cushion Valve
  - Disassembly Procedures
  - Assembly Procedures
  - Written Materials
- Pressure Measurement and Adjustment Procedures
  - Procedures for Pressure Measurement from the Monitor Display
  - PROCEDURES FOR MEASURING HYDRAULIC OIL TEMPERATURE FROM THE MONITOR DISPLAY
  - Procedures for Pressure Measurement by Installing Pressure Gauge
  - Pressure Measuring Ports
  - Control Valve
  - Pressure Measurement Preparations
  - Pressure Measurement
  - Main Pressure Measurement
  - Pilot Pressure Measurement
  - Negative Control Pressure Measurement
  - Pressure Adjustment
- Hydraulic Pump Flow Measurement Procedures
  - Preparations
  - Work Preparations
  - Flow Measurement
- Air Bleed Procedure
  - Hydraulic Pump
- Sampling Procedure
  - Sampling of Hydraulic Fluid
- Hydraulic Equipment Layout
- Overall View
  - Pump Chamber Hydraulic Equipment Layout
  - Swing Body Center Section Hydraulic Equipment Layout
  - Housing Left Side Hydraulic Equipment Layout
  - Layout of Hydraulic Equipment in Cab
J. Hydraulic Circuit and Operations_490X4
- J
  - Explanation of Hydraulic Circuit and Operations (standard model)
- 002_J_Explanation of Hydraulic Circuit and Operations (option)_490X4.pdf
  - J
N. CAB
- Removal and Installation of Operator’s Seat
  - Removal of Operator’s Seat
  - Installation of Operator’s Seat
- Removal and Installation of Cab Assembly
  - Removal of Cab Assembly
  - Installation of Cab Assembly
- Removal and Installation of Wiper
  - Removal of Wiper
  - Installation of wiper
- Removal and Installation of Cab Front Glass
  - Removal of Cab Front Glass
  - Installation of Cab Front Glass
- Removal and Installation of Right-side Window Glass
  - Removal of Right-side Window Glass
  - Installation of Right-side Window Glass
- Removal and Installation of Door (Upper) Sash Glass
  - Removal of Door (Upper) Sash Glass
  - Installation of Door (Upper) Sash Glass
- Window Lock Adjustment Procedures
  - Window Lock (front side)
  - Window Lock (rear side)
- Removal and Installation of Housing Guardrail
  - Removal of Housing Guardrail
  - Installation of Housing Guardrail
- Tightening Torque
R. ELECTRICAL PARTS
- Basic Functions
  - Monitor Control
  - Basic Operation
  - Accessories
  - Safety
  - Maintenance
  - Setting
  - Battery disconnect switch
  - Explanation of Controller
- Service Support
  - Screen Operations
  - Screen Display List
  - Service Monitor Structure
  - CHECK Screen List
  - SETUP Screen List
  - CALIBRATE Screen List
- Connection Connector Pin Layout
  - Main Controller
  - Monitor
- Sequence Circuit Diagram
  - Code List
  - Overall
  - Block diagram
- Electrical Equipment Layout Diagram
  - Main Unit Left-side Layout Diagram
  - Engine Section Layout Diagram
  - Main Unit Right Side Layout Diagram (pump chamber)
  - Main Unit Center Section Layout Diagram
  - Cab Layout Diagram 1
  - Cab Layout Diagram 2
  - Layout Around Operator Seat
  - Stand Alone Parts Diagram
- Removal and Installation of Wiper Controller
  - Removal of Wiper Controller
  - Installation of wiper controller
- Removal and Installation of Wiper Motor
  - Removal of Wiper Motor
  - Installation of wiper motor
- Removal and Installation of ECM
  - Removal of ECM
  - Installation of ECM
- Removal and Installation of Main Controller
  - Removal of Main Controller
  - Installation of Main Controller
- Removal and Installation of DCU
  - Removal of DCU
  - Installation of DCU
- Removal and Installation of Monitor
  - Removal of Monitor
  - Installation of Monitor
- Removal and Installation of Rear View Camera
  - Removal of Rear View Camera
  - Installation of Rear View Camera
- Removal and Installation of Side Camera (Right)
  - Removal of Side Camera (Right)
  - Installation of Side Camera (right)
- Removal and Installation of Side Camera (Left)
  - Removal of Side Camera (Left)
  - Installation of Side Camera (left)
- Removal and Installation of FVM Controller
  - Removal of FVM Controller
  - Installation of FVM Computer
- How to Set FVM
- Air Conditioner Overall Diagram
  - Frame
  - Cab
  - Equipment Layout Diagram
  - Circuit Diagram
  - Explanation of Functions
  - Actuator Inspection
  - Self-diagnosis Function with Panel Display
  - Part Function and Good/Poor Judgment
- Assembly and Disassembly of Unit
  - Removal of Blower Unit
  - Replacement of Blower Motor
  - Replacement of Blower Amp
  - Removal of Heater Core
  - Removal of Heat Case Right/Left
  - Replacement of Evaporator and Expansion Valve
  - Installation of Evaporator Sensor
  - Replacement of Motor Actuator
- Removal and Installation of Compressor
  - Removal of Compressor
  - Installation of Compressor
- Removal and Installation of Condenser
  - Removal of Condenser
  - Installation of Condenser
- Removal and Installation of Receiver Dryer
  - Removal of Receiver Dryer
  - Installation of Receiver Dryer
- Work Precautions
  - Work Procedures
  - Filling Procedures
R. Electrical Connector Wiring Diagram_490X4_A3
- R
  - Electrical Connector Wiring Diagram
- 004_R_Electrical Parts and Wiring Assembly Diagram_490X4.pdf
  - R
V. ATTACHMENTS
- Main Equipment Table
  - Backhoe Attachment
- Maintenance Standards
  - Attachment (Backhoe)
- Removal and Installation of Bucket Cylinder
  - Removal of Bucket Cylinder
  - Installation of Bucket Cylinder
- Removal and Installation of Arm Cylinder
  - Removal of Arm Cylinder
  - Installation of Arm Cylinder
- Removal and Installation of Boom Cylinder
  - Removal of Boom Cylinder
  - Installation of Boom Cylinder
- Procedures for Operation/Assembly and Disassembly of Hydraulic Cylinder
  - Specifications and Structure Diagram (including the assembly diagram and parts table)
  - Handling Precautions
  - Maintenance Inspection and Service
  - Trouble Diagnostics
  - Storage Standards
  - Assembly and Disassembly Procedures
  - Structural Diagram (made by KYB)
- HBCV
  - Structure
- Port Diagram
  - HBCV
- Air Bleed Procedure
  - HBCV
- Removal and Installation of HBCV
- Removal and Installation of Arm HBCV
  - Removal of Arm HBCV
  - Installation of Arm HBCV
- Removal and Installation of Boom HBCV
  - Removal of Boom HBCV
  - Installation of Boom HBCV
- Removal and Installation of Bucket
  - Removal of Bucket
  - Installation of Bucket
- Removal and Installation of Bucket Link
  - Removal of Bucket Link
  - Installation of Bucket Link
- Removal and Installation of Arm
  - Removal of Arm
  - Installation of Arm
- Removal and Installation of Boom
  - Removal of Boom
  - Installation of Boom
Z. OTHER
- Change from Type 6
  - Overall Layout
  - Lower
  - Swing Unit
  - Engine
  - Hydraulic-related Data
  - Hydraulic Control
  - Cab, House
  - Electrical Data
  - Electric Control
  - Attachments
- Specifications (Standard Lower Specifications)
  - ENGINE
  - HYDRAULIC SYSTEM
  - HYDRAULIC CONTROLS
  - ELECTRICAL SYSTEM
  - OPERATOR ENVIRONMENT
  - UNDERCARRIAGE
  - MASS
  - DIGGING FORCE (with 2.0 m3 Sumitomo Bucket) (ISO 6015)
  - DIMENSIONS
  - WORKING RANGES
  - SYSTEM FLUID CAPACITIES AND SPECIFICATIONS
- Specifications (Retract Lower Specifications)
  - ENGINE
  - HYDRAULIC SYSTEM
  - HYDRAULIC CONTROLS
  - ELECTRICAL SYSTEM
  - OPERATOR ENVIRONMENT
  - UNDERCARRIAGE
  - MASS
  - DIGGING FORCE (with 2.0 m3 Sumitomo Bucket) (ISO 6015)
  - DIMENSIONS
  - WORKING RANGES
  - SYSTEM FLUID CAPACITIES AND SPECIFICATIONS
- Specifications (High Soil Volume Specifications)
  - ENGINE
  - HYDRAULIC SYSTEM
  - HYDRAULIC CONTROLS
  - ELECTRICAL SYSTEM
  - OPERATOR ENVIRONMENT
  - UNDERCARRIAGE
  - MASS
  - DIGGING FORCE (with 3.0 m3 Bucket)
  - DIMENSIONS
  - WORKING RANGES
  - SYSTEM FLUID CAPACITIES AND SPECIFICATIONS
- Arm Dimension
  - Standard Arm [3.38 m (11.09 ft.)]
  - Short Arm [2.53 m (8.30 ft.)]
  - Short Arm (MASS) [2.53 m (8.30 ft.)]
  - Long Arm [4.00 m (13.12 ft.)]
  - Ultra-Long Arm [4.85 m (15.91 ft.)]
- Main Unit Weight
  - Divided Weight (standard specifications)
  - Divided Weight (Retract Specifications)
  - Stand Alone Part Weight
  - Shoe Weight (per Side)
  - Arm Weight
  - Bucket Weight
- Bolt Size and Torque Table
  - Special Torque Setting
- Overall View
  - 490X4 Standard Lower Specifications
  - 490X4 Retract Lower Specifications
  - 490X4 High Soil Volume Specifications
- WORK RANGE DIAGRAM
  - 490X4 (Standard Lower Specifications)
  - 490X4 Retract Lower Specifications
  - 490X4 High Soil Volume Specifications
- New Machine Performance Judgment Table
  - Table of Standards
  - Measurement Method
- FLUIDS AND LUBRICANTS
  - HYDRAULIC FLUID
  - Engine Oil
  - Fuel
  - Conditions applicable to diesel fuel
  - Recommended conditions applicable to diesel fuels
- Main-Unit-related Diagnostic Trouble Code List
- Main Unit-side Trouble
  - Diagnostic Trouble Code: 7000 Pressure Sensor P1 Abnormality
  - Diagnostic Trouble Code: 7001 Pressure Sensor P2 Abnormality
  - Diagnostic Trouble Code: 7002 Pressure Sensor N1 Abnormality
  - Diagnostic Trouble Code: 7003 Pressure Sensor N2 Abnormality
  - Diagnostic Trouble Code: 7004 Pressure Sensor Boom Cylinder Bottom Abnormality
  - Diagnostic Trouble Code: 7006 Rod Pressure Sensor Signal Abnormality
  - Diagnostic Trouble Code: 7007 Pressure Sensor Arm Cylinder Rod Abnormality
  - Diagnostic Trouble Code: 7021 Pressure Sensor Swing Pilot Abnormality
  - Diagnostic Trouble Code: 7023 Pressure Sensor Arm-In Pilot Abnormality
  - Diagnostic Trouble Code: 7040 Level Sensor Fuel Abnormality
  - Diagnostic Trouble Code: 7041 Temperature Sensor Hydraulic Fluid Abnormality
  - Diagnostic Trouble Code: 7065 Pressure Sensor Boom-Up Pilot Abnormality
  - Diagnostic Trouble Code: 7067 Pressure Sensor Bucket-Close Pilot Abnormality
  - Diagnostic Trouble Code: 7068 Pressure Sensor Boom-Down Pilot Abnormality
  - Diagnostic Trouble Code: 7069 Pressure Sensor Arm-Out Pilot Abnormality
  - Diagnostic Trouble Code: 7070 Pressure Sensor Bucket-Open Pilot Abnormality
  - Diagnostic Trouble Code: 7071 Pressure Sensor Travel Right Pilot Abnormality
  - Diagnostic Trouble Code: 7072 Pressure Sensor Travel Left Pilot Abnormality
  - Diagnostic Trouble Code: 7073 Pressure Sensor Travel 1 Pedal Abnormality
  - Diagnostic Trouble Code: 7074 Pressure Sensor 1st Option Pilot (Common/Front Pedal) Abnormality
  - Diagnostic Trouble Code: 7075 Pressure Sensor Arm Cylinder Bottom Abnormality
  - Diagnostic Trouble Code: 7078 Pressure Sensor 1st Option Pilot (Rear Pedal) Abnormality
  - Diagnostic Trouble Code: 7200 Swing Brake Solenoid Abnormality
  - Diagnostic Trouble Code: 7201 Travel 2nd-Speed Switchover Solenoid Abnormality
  - Diagnostic Trouble Code: 7202 Pressure Boost Solenoid Abnormality
  - Diagnostic Trouble Code: 7203 Travel Alarm Buzzer Abnormality
  - Diagnostic Trouble Code: 7206 Option Return Line Switchover Solenoid Abnormality
  - Diagnostic Trouble Code: 7207 Free Swing Solenoid Abnormality
  - Diagnostic Trouble Code: 7208 Fan Reverse Solenoid Signal Abnormality
  - Diagnostic Trouble Code: 7212 Shut-off Solenoid Signal Abnormality
  - Diagnostic Trouble Code: 7213 Quick Coupler Buzzer Abnormality
  - Diagnostic Trouble Code: 7214 Quick Coupler Solenoid Abnormality
  - Diagnostic Trouble Code: 7242 Fan Proportional Valve Signal Abnormality
  - Diagnostic Trouble Code: 7246 2 Pumps Flow Solenoid Signal Abnormality
  - Diagnostic Trouble Code: 7247 Boom 2-Down Pilot Proportional Valve Abnormality
  - Diagnostic Trouble Code: 7249 Bucket-Close Pilot Proportional Valve Abnormality
  - Diagnostic Trouble Code: 7250 Option Relief Pressure Proportional Valve Abnormality
  - Diagnostic Trouble Code: 7265 Arm 1 Semi-Parallel Proportional Valve Abnormality
  - Diagnostic Trouble Code: 7266 Arm 2 Semi-Parallel Proportional Valve Abnormality
  - Diagnostic Trouble Code: 7267 Arm 1 Regeneration Release Proportional Valve Abnormality
  - Diagnostic Trouble Code: 7270 Tilting 1 Proportional Valve Abnormality
  - Diagnostic Trouble Code: 7271 Tilting 2 Proportional Valve Abnormality
  - Diagnostic Trouble Code: 7273 Straight Travel Proportional Valve Abnormality
  - Diagnostic Trouble Code: 7400 Coolant Temperature Overheating 1
  - Diagnostic Trouble Code: 7401 Coolant Temperature Overheating 2
  - Diagnostic Trouble Code: 7404 Oil Temperature Overheating
  - Diagnostic Trouble Code: 7405 Boost Temperature Overheating 1
  - Diagnostic Trouble Code: 7406 Boost Temperature Overheating 2
  - Diagnostic Trouble Code: 7420 Alternator Power Generation Failure
  - Diagnostic Trouble Code: 7421 Coolant Level Decrease
  - Diagnostic Trouble Code: 7422 Engine Oil Pressure Decrease
  - Diagnostic Trouble Code: 7423 Air Cleaner Clogging
  - Diagnostic Trouble Code: 7424 Return Filter Clogging
  - Diagnostic Trouble Code: 7426 Fuel Filter Clogging 1
  - Diagnostic Trouble Code: 7427 Fuel Filter Clogging 2
  - Diagnostic Trouble Code: 7428 Inducement (Remaining Urea Level Low) – Warning
  - Diagnostic Trouble Code: 7429 Inducement (Remaining Urea Level Low) – Early
  - Diagnostic Trouble Code: 7430 Inducement (Remaining Urea Level Low) – Final
  - Diagnostic Trouble Code: 7602 ECM Communication Abnormality
  - Diagnostic Trouble Code: 7603 Computer S Communication Abnormality
  - Diagnostic Trouble Code: 7605 ECM Not-Matched
  - Diagnostic Trouble Code: 7606 EEPROM Abnormality
  - Diagnostic Trouble Code: 7608 Camera Abnormality
  - Diagnostic Trouble Code: 7612 Air Conditioner Communication Abnormality
  - Diagnostic Trouble Code: 7613 Monitor Communication (CAN) Abnormality
  - Diagnostic Trouble Code: 7615 Sub-Controller Communication Abnormality
  - Diagnostic Trouble Code: 7618 DCU Communication Abnormality
- List of special tools
  - NUMERICAL VALUE CONVERSION TABLE
  - A
  - C
  - H
  - J
  - R
  - V
- Paint Colors
- Abbreviation