Link-Belt Excavator 460X2 Shop Manual Hydraulic And Electrical Schematic

Description

Contents:
Main Body Section
Specifications
Overall
1. Main Data
2. Performance
3. Main Unit Dimensions
4. Engine
5. Cooling System
6. Upper Side Work System
7. Operating Device
8. Swing Units
9. Travel Lower Body
Hydraulic Equipment
1. Hydraulic Device
2. Control Valve, Cylinder
Capacities, Filters
1. Coolant And Oil Capacities
2. Hydraulic Oil Filters
3. Fuel Filter
Lifting Capacity
Precautions For Lifting Loads With The Hydraulic Excavator
Lifting Capacities (460×2)
1. Standard Arm (3.38 M), 900 Grouser Shoe, Fixed Sideframe
2. Short Arm (2.53 M), 900 Grouser Shoe, Fixed Sideframe
3. Long Arm (4.00 M), 900 Grouser Shoe, Fixed Sideframe
4. Super Long Arm (4.85 M), 900 Grouser Shoe, Fixed Sideframe
5. Standard Arm (3.38 M), 900 Grouser Shoe, Retractable Sideframe
6. Short Arm (2.53 M), 900 Grouser Shoe, Retractable Sideframe
7. Long Arm (4.00 M), 900 Grouser Shoe, Retractable Sideframe
8. Super Long Arm (4.85 M), 900 Grouser Shoe, Retractable Sideframe
Overall View
Overall View (460×2)
1. Standard Arm (3.38 M) / Fixed Sideframe
2. Short Arm (2.53 M) / Fixed Sideframe
3. Long Arm (4.00 M） / Fixed Sideframe
4. Super Long Arm (4.85 M） / Fixed Sideframe
5. Standard Arm (3.38 M) / Retractable Sideframe
6. Short Arm (2.53 M) / Retractable Sideframe
7. Long Arm (4.00 M） / Retractable Sideframe
8. Super Long Arm (4.85 M） / Retractable Sideframe
Work Range Diagram
Work Range Diagram (460×2)
1. Standard Arm (3.38 M) / Fixed Sideframe
2. Short Arm (2.53 M) / Fixed Sideframe
3. Long Arm (4.00 M) / Fixed Sideframe
4. Super Long Arm (4.85 M) / Fixed Sideframe
5. Standard Arm (3.38 M) / Retractable Sideframe
6. Short Arm (2.53 M) / Retractable Sideframe
7. Long Arm (4.00 M) / Retractable Sideframe
8. Super Long Arm (4.85 M) / Retractable Sideframe
Summary Section
Main Equipment Table
Lower Component
1. Travel Unit
2. Take-Up Roller
3. Upper Roller
4. Lower Roller
5. Recoil Spring
6. Shoe
Upper Component
1. Swing Unit
Engine-Related
1. Engine
2. Muffler
3. Air Cleaner (Double Element)
4. Radiator
Hydraulic Device
1. Hydraulic Pump
2. Pump P-Q Diagram
Control-Related
1. Control Valve
2. Solenoid Valve (5 Stack)
3. Remote Control Valve (Left/Right, Travel Operations)
4. Remote Control Valve Characteristic Diagram
5. Cushion Valve (With Shuttle Valve)
6. Selector Valve
7. Center Joint
Backhoe Attachment
1. Cylinder
2. Attachments
Equipment Layout Diagram
Main Equipment Layout
Consumable Part Layout
Standard Machine Option List
List Of Optional Components
Hydraulics Section
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
Port Diagram
Pump
1. Hydraulic Pump (Standard Model)
Valves
1. Control Valve
2. 5 Stack Solenoid Valve
3. 2 Stack Solenoid Valve
4. Remote Control Valves (Upper, Travel)
5. Cushion Valve
6. 2-Way Multi-Valve
7. Hbcv (Arm)
8. Hbcv (Boom)
Manifolds
1. Manifold Under Cab
2. Manifold (Accumulator Section)
3. Manifold
Motors
1. Swing Motor
2. Travel Motor
3. Center Joint
Pilot Hose Connection Diagram
Pilot P And T Lines
Pilot Control Line
Pilot Control Line (2-Way Selector Valve)
Function List
Function Table
Explanation Of New Functions
1. Swing Relief Cut-Off Control
2. Option Line Flow Adjustment Control
3. Bucket-Close Regenerative Circuit
Explanation Of Hydraulic Circuit And Operations (Standard Model)
Travel Circuit
Travel Low-Speed Circuit
Travel High-Speed Circuit
Straight Travel Circuit
Swing Circuit
Swing Relief Cut-Off Control Circuit
Swing Priority Circuit
Swing Brake Circuit
Swing Parking Circuit (Lever In Neutral)
Swing Parking Circuit (Brake Release)
Swing Parking Circuit (Machine Stop)
Boom Circuit
Boom-Up Circuit (Independent Operation) (With/Without Hbcv)
Boom-Up Circuit (Compound Boom Up + Arm In) (With/Without Hbcv)
Boom-Down Regenerative Circuit (With/Without Hbcv)
Boom-Down Tilting Prevention Circuit
Boom-Down Load Holding Valve Circuit
Arm Circuit
Arm-Out Circuit (With/Without Hbcv)
Arm-In Forced Regenerative Circuit
Arm-In Load Holding Valve Circuit
Bucket Circuit
Bucket-Open Circuit
Bucket-Close Regenerative Circuit
Negative Control Circuit
Negative Control Circuit
Other Circuits
Cushion Circuit (Arm-Out Operation)
Cushion Circuit (When Arm-Out Operation Stopped)
Cushion Circuit (Arm-Out → Arm-In Operation)
Heat Circuit (Lever In Neutral)
Auto Pressure Boost Circuit (Bucket Close)
Explanation Of Hydraulic Circuit And Operations (Option)
Option Circuits
Breaker Circuit (Independent Operation)
Double-Acting Circuit (Hydraulic Fork)
Multi-Purpose Circuit (Breaker Circuit)
Multi-Purpose Circuit (2 Pumps Flow Crusher)
2nd Option Circuit (Hydraulic Rotation Fork)
Main Equipment Structure And Operation Explanation
Pump
1. Hydraulic Pump
2. Regulator
3. Gear Pump
Motor
1. Travel Motor
2. Swing Motor
Valve
1. Control Valve
2. 5 Stack Solenoid Valve
3. Upper Pilot Valve (Remote Control Valve)
4. Travel Pilot Valve (Remote Control Valve)
5. Cushion Valve
Hydraulic Drive Fan Motor
1. External Shape Diagram
2. Internal Structure Diagram
3. Operation Principle
Electrics Section
Explanation Of New Functions
Work Mode Select Switch
The Throttle Volume And Work Mode Select Switch Are Linked!!
Computer Connection Method
Monitor Changes
Pilot Pressure Switch Changed To Pressure Sensor
Pump Electromagnetic Proportional Valve
1. Horsepower Control Proportional Valve
2. P1 Flow Control Proportional Valve
System Control For Energy Saving
1. Reduced Fuel Consumption Through Transient Load Reduction Control
2. Reduced Fuel Consumption Through Swing Relief Cut Control
Electrical Equipment Layout Diagram
Overall View
1. Main Unit Left Side Layout Diagram (Radiator Chamber)
2. Engine Section Layout Diagram
3. Engine Section Layout Diagram
4. Main Unit Center Section Layout Diagram
5. Cab Layout Diagram 1
6. Layout Around Operator’s Seat
Stand Alone Parts Diagram
Main Equipment Structural Diagrams
Connection Connector Pin Layout
1. Computer A
2. Monitor
Electrical Circuit Diagram
Overall View
1. Sequence Circuit Diagram
Block Diagram
1. Computer A
2. Computer S
3. Ecm
4. Monitor Display
5. Air Conditioner
6. Lever Lock
7. Horn
8. Working Light
9. Option
10. Other
11. Electrical Symbol List
Electrical Connector Wiring Diagram
Wire Harness
1. Main Frame Harness
Cab
1. Cab Main Harness
2. Cab Sub Harness
3. In Cab
4. Engine Harness
Console
1. Console Right Harness
2. Console Left Harness
Electrical Parts And Wiring Assembly Diagram
Main Frame
Cab
Explanation Of Functions And Operations
Explanation Of Electrical Functions
Engine Speed Control
1. Throttle Control
2. Idling Control (Auto/One-Touch)
3. Idling Start
4. Auto Warm-Up
Engine Start / Stop Control
1. Engine Start / Stop Judgment
2. Power-Cut Delay
3. Engine Emergency Stop
4. Neutral Start
Pump Control
1. Work Mode Control
2. Pump Horsepower Boost Control
3. Pump Horsepower Cut Control
Swing
1. Swing Brake
2. Swing Free Swing
3. Swing Relief Cut
Travel
1. Travel Speed Switchover
2. Travel Alarm
Valve Control
1. Lever Lock
2. Solenoid Sticking Prevention
3. Pressure Boost Control
Monitor Control
1. Bar Graph (Coolant Temperature Gauge, Oil Temperature Gauge, Fuel Gauge)
Accessories
1. Horn
2. Working Light
3. Wiper And Washer
4. Room Lamp
5. Radio Mute
Other
1. Anti-Theft
2. Battery Save Function
3. Alternator Power Generation Detection
4. Control Of Hydraulic Driven Fan
Options
1. Option Line Control
2. Option Line Control
3. Feed Pump Automatic Stop
4. Return Filter Clogging Detected
Service Support
Screen Operations
1. Screen Shift
Screen Display List
1. Chk (Status Display) Screen List
2. Diag (Trouble Diagnosis) Screen
3. Hr (Usage Log) Screen List
4. Cfg (Setting Change) Screen
5. Cal (Troubleshooting Support) Screen
6. Check The Monitor Switch (Self-Diagnosis Function)
7. Option Flow Setting
8. Anti-Theft Setting
9. Model Setting
10. Engine Information Screen
Screen Display Details
1. Message Display List
Abnormality Display
1. Diagnostic Trouble Code Display
2. Main Unit Diagnostic Trouble Code List
3. Diagnostic Trouble Code (Monitor Display)
4. Sensor Trouble Operation Table
5. Epf (Engine Protection Feature)
Engine Section
Engine Summary
Main Data Table
Overall Appearance Diagram
Sensor And Auxiliary Equipment Layout (Left)
Engine System Diagram
Fuel System Diagram
Detailed Parts Diagrams
1. Ecm (Engine Control Module)
2. Supply Pump/Pcv (Pressure Control Valve)
3. Common Rail/Flow Damper
4. Common Rail Pressure Sensor/Pressure Limiter
5. Injector
6. Engine Coolant Temperature Sensor
7. Engine Oil Pressure Sensor
8. Cam Position Sensor (G Sensor)
9. Crank Position Sensor (Ckp Sensor)
10. Atmospheric Pressure Sensor
11. Suction Air Temperature Sensor
12. Boost Pressure Sensor
13. Boost Temperature Sensor
14. Egr Cooler
15. Lead Valve (Check Valve)
16. Egr Valve
Engine Control Summary
Explanation Of Engine Terms
Function Explanation Table
Explanation Of Engine Structure
Technology For Exhaust Gases
1. Common Rail System
2. Multi Stage Fuel Injection (Multiple Injection)
3. Inter Cooler
4. Egr (Exhaust Gas Recirculation)
Explanation Of Engine Operation
Fuel Unit
1. Common Rail System Summary
2. Change Points For Injection Method (Governor, Common Rail)
3. Explanation Of Injector Operation
4. Explanation Of Supply Pump Operation
5. Supply Pump Disassembly Diagram
6. Explanation Of Flow Damper Operation
7. Pressure Limiter
8. Cautions For Maintenance
Explanation Of Engine Control
1. Fuel Injection Quantity Correction
2. Starting Q Correction
3. Preheat Control (Qos: Quick On Start)
4. Atmospheric Pressure Correction (High Altitude Correction)
5. Control For Overheating
6. Control For Boost Temperature Rise
7. Control For Engine Oil Pressure Drop
8. Start Control (Coolant Temperature Monitoring)
9. Long Cranking Control
10. Starting Control For Reduced Number Of Cylinders
11. Normal Stop (Key Switch Off Operation)
12. Engine Start/Stop Judgment
Engine Maintenance Standards
Engine Information Screen
1. Purpose
2. How To Go To This Screen
3. Engine Start Restriction
4. Screen
Monitor Operating Method
1. View Mode
2. Edit Mode
Engine Information (Q Resistance, Qr Code, Engine Serial Number) Copying Method
Rewriting Injector Qr Codes
When Replacing Computer A At The Same Time
Engine Information Acquisition Timing
Redoing Engine Information Acquisition
Abnormality Display
Engine Equipment Table
Exhaust Gas 3rd Accessory Electrical Parts Compatibility (Isuzu Part Number)
Exhaust Gas Regulations
Features Of Materials Subject To Exhaust Gas Regulation
Exhaust Gas Regulation Values
Cautions For Fuel Used
Engine Fuel And Maintenance Of Fuel Filters
1. Fuel To Be Applied
2. Maintenance Of Fuel Filters
Air Conditioner Section
Layout Diagram
Air Conditioner Overall Diagram
1. Frame
2. Cab
Equipment Layout Diagram
Circuit Diagram
Air Conditioner Circuit Diagram
Explanation Of Functions
Explanation Of Control
1. Air Mix Motor Actuator Control
2. Blow Mode Motor Actuator Control
3. Refresh / Recirculate Switch Motor Actuator Control
4. Blower Amp Control
5. Compressor Clutch Control
6. Coolmax Control And Hotmax Control
7. Trouble Detection And Control After Trouble Detected
8. Monitor Mode
9. Door Switch Control
10. Inside Air Filter Clogging Detection Control
Actuator Inspection
Air Mix Motor Actuator Inspection
Refresh / Recirculate Motor Actuator Inspection
Mode Motor Actuator Inspection
Self-Diagnosis Function With Panel Display
Abnormality Display And Self-Check Procedures
1. Abnormality Display Position
2. Explanation Of Abnormality Display
3. Explanation Of Monitor Mode
Part Function And Ok/Ng Judgment
Control Panel And Control Unit
Blower Amp
Relay
Air Mix Actuator
Refresh / Recirculate Actuator
Blow Mode Actuator
Evaporator Sensor
Dual Pressure Switch
Solar Radiation Sensor
New Machine Performance Section
New Machine Performance Judgment Table
Performance Judgment Check Sheet
Performance Measurement Entry Table
Measurement Method And Main Unit Posture
Engine Speed
Pressure In Each Section
Cylinder Falling Amount
Attachment Speed
Swing Speed
Swing (180°) Brake Angle
Travel Speed
Off Travel Amount
Travel Sprocket Speed
Shoe Tension Amount
Swing Ball Race Bearing Movement Amount And Bucket Tip Movement Amoun
New Machine Performance Section
New Machine Performance Judgment Table
Performance Judgment Check Sheet
Performance Measurement Entry Table
Measurement Method And Main Unit Posture
Engine Speed
Pressure In Each Section
Cylinder Falling Amount
Attachment Speed
Swing Speed
Swing (180°) Brake Angle
Travel Speed
Off Travel Amount
Travel Sprocket Speed
Shoe Tension Amount
Swing Ball Race Bearing Movement Amount And Bucket Tip Movement Amount
Maintenance Section
Pressure Measurement And Adjustment Procedures
Procedures For Pressure Measurement From The Monitor Display
1. Pressure Measurement Method
2. Operating Method
Procedures For Measuring Hydraulic Oil Temperature From The Monitor Display
1. Hydraulic Oil Temperature Measurement Method
2. Operating Method
Procedures For Pressure Measurement By Installing Pressure Gauge
1. Preparations
2. Items To Prepare
Pressure Measuring Ports
Control Valve
1. Location Of Relief Valves
Pressure Measurement Preparations
Pressure Measurement And Adjustment Procedures
1. Main Pressure Measurement
2. Pilot Pressure Measurement
3. Negative Control Pressure Measurement
Pressure Adjustment
1. Main Pressure Adjustment
2. Pilot Pressure Adjustment
Hydraulic Pump Flow Measurement Procedures
Preparations
1. Items To Prepare
Work Preparations
Flow Measurement
Drain Volume Measurement Procedures
Preparations
Travel Motor Drain Volume Measurement
Swing Motor Drain Volume Measurement
Air Bleed Procedure
Hydraulic Pump
Travel Motor
Swing Motor
Hbcv (Option For Europe)
1. Boom Cylinder Hbcv
2. Arm Cylinder Hbcv
Electricity Measurement Procedures
Measurement Equipment
Measurement Tools
Measurement Method
1. Hydraulic Pump Electromagnetic Proportional Valve
2. Solenoid Valve (5 Stack)
3. Oil Temperature Sensor
4. Pressure Sensor
Procedures For Replacing Consumable Parts
Air Conditioner Belt And V-Belt Replacement
1. Air Conditioner Belt Replacement
2. Fan Belt Replacement
Fuel Filter Replacement
1. Filter Replacement
2. Air Bleeding
Engine Oil Filter And Engine Oil Replacement
1. Engine Oil Replacement
2. Engine Oil Filter Replacement
Radiator Coolant Replacement
Air Cleaner Cleaning And Replacement
Hydraulic Oil Filter Replacement
1. Return Filter Replacement
2. Suction Filter Replacement
3. Air Breather Element Replacement
4. Pilot Oil Filter Replacement
5. Hydraulic Oil Replacement
Others
1. Coolant Filling
2. Washer Fluid Filling
Periodic Maintenance Procedures
Maintenance Every 250 Hours
1. Battery Inspection And Replacement
Maintenance After First 250 Hours For New Machine / Every 1000 Hours From Then On
1. Swing Reduction Gear Oil Replacement
2. Gear Oil Filling
Replace The Flange Packing At The Bottom Of The Fuel Tank
Bolt Size And Torque Table
Bolt And Nut Tightening
Retightening Torque Table
Data Section
Main Unit Weight
Divided Weight (Standard Specifications)
Stand Alone Part Weight
Shoe Weight (Per Side)
Arm Weight
Bucket Weight
Interchangeability
Interchangeability
1. Main Part Interchangeability Table (470×2)
Attachment Installation Dimensions
Attachment Dimensions
Paint Colors
Paint Colors
Unit Conversion Ratio
Unit Conversion Ratio
Engine Section
Procedures For Replacing Consumable Parts
Engine Oil
Removal And Installation Of Engine Oil Filter Element
Fuel Filter
Removal And Installation Of Alternator Belt
Removal And Installation Of Air Conditioner Belt
Assembly And Disassembly
Removal And Installation Of Engine Hood
Removal And Installation Of Engine Assembly
Removal And Installation Of Starter Motor
Removal And Installation Of Alternator
Removal And Installation Of Supply Pump
Removal And Installation Of Common Rail
Removal And Installation Of Injector
Removal And Installation Of Muffler
Removal And Installation Of Turbo Charger
Removal And Installation Of Egr Cooler And Egr Valve
Removal And Installation Of Engine Sensors
Removal And Installation Of Fuel Cooler
Removal And Installation Of Engine Inter Cooler
Air Conditioner Section
Assembly And Disassembly
Removal And Installation Of Compressor
Removal And Installation Of Condenser
Removal And Installation Of Receiver Dryer
Assembly And Disassembly Of Unit
Gas Filling Procedures
Work Precautions
Work Procedures
Filling Procedures
Maintenance Section
Electrical Equipment Judgment Procedures
Electricity Measurement Procedures
Maintenance Standards
Check Sheet
Inspection Gauge
List Of Attachment Gap Adjustment Shims
List Of Attachment Gap Adjustment Shims (For Boom Foot)
Assembly And Disassembly Section
Track Shoe
Removal And Installation Of Shoe Assembly
Removal And Installation Of Shoe Plate
Travel Unit
Removal And Installation Of Travel Motor
Assembly And Disassembly Of Travel Motor
Take-Up Roller
Removal And Installation Of Take-Up Roller
Assembly And Disassembly Of Take-Up Roller
Upper Roller
Removal And Installation Of Upper Roller
Assembly And Disassembly Of Upper Roller
Lower Roller
Removal And Installation Of Lower Roller
Assembly And Disassembly Of Lower Roller
Swing Unit
Removal And Installation Of Swing Unit
Assembly And Disassembly Of Swing Motor
Assembly And Disassembly Of Swing Reduction Gear
Center Joint
Removal And Installation Of Center Joint
Counterweight
Removal And Installation Of Counterweight
Hydraulic Pump
Removal And Installation Of Hydraulic Pump
Procedures For Assembly And Disassembly Of Hydraulic Pump Main Unit
Pump Main Unit Maintenance Standards
Pto Subassembly Maintenance Procedure
Gear Pump Handling
Explanation Of Regulator Operation
Procedures For Assembly And Disassembly Of Regulator
Remote Control Valve
Removal And Installation Of Operation Remote Control Valve
Procedures For Assembly And Disassembly Of Operation Remote Control Valve
Removal And Installation Of Travel Remote Control Valve
Procedures For Assembly And Disassembly Of Travel Remote Control Valve
Control Valve
Removal And Installation Of Control Valve
Control Valve Assembly And Disassembly Procedures
Other Valves
Removal And Installation Of 5 Stack Solenoid
Removal And Installation Of Cushion Valve
Assembly And Disassembly Of Cushion Valve
Radiator And Oil Cooler
Removal And Installation Of Radiator
Removal And Installation Of Oil Cooler
Tank
Removal And Installation Of Hydraulic Oil Tank
Removal And Installation Of Fuel Tank
Attachments
Removal And Installation Of Bucket
Removal And Installation Of Bucket Link
Removal And Installation Of Bucket Cylinder
Removal And Installation Of Arm Cylinder
Removal And Installation Of Arm
Removal And Installation Of Boom Cylinder
Removal And Installation Of Boom
Removal And Installation Of Arm Hbcv
Removal And Installation Of Boom Hbcv
Procedures For Operation/Assembly And Disassembly Of Hydraulic Cylinder
Structural Diagram
Light
Removal And Installation Of Boom Light
Removal And Installation Of Tool Box Light
Procedures For Removal And Installation Of Cab Inner And Outer Parts
Removal And Installation Of Cab Assembly
Removal And Installation Of Operator’s Seat
Removal And Installation Of Wiper
Removal And Installation Of Wiper Controller
Removal And Installation Of Wiper Motor
Removal And Installation Of Monitor
Removal And Installation Of Cab Front Glass
Window Lock Adjustment Procedure
Hydraulic Equipment-Related Parts
Accumulator
Suction Filter
Return Filter
Pilot Filter
Other
Removal And Installation Of Side Door
Draining Oil From Hydraulic Oil Tank