Hitachi ZX170W-3, ZX190W-3 Wheeled Excavator Training Text Repair Service Manual

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Information included in this ZX170W-3, ZX190W-3 Hitachi Wheeled Hydraulic Excavator Technical Manual: technical information needed for redelivery and delivery, operation and activation of all devices and systems, operational performance tests, and troubleshooting procedures for the .

APPLICABLE MODELS :

HITACHI Excavator ZAXIS 170W-3
HITACHI Excavator ZAXIS 190W-3

TABLE OF CONTENTS :

OPERATIONAL PRINCIPLE – TTLA-0721-ZX

T01_GENERAL
Group 1 Component Layout

T02_SYSTEM
Group 1 Controller
Group 2 Control System
Group 3 ECM System
Group 4 Hydraulic System
Group 5 Electrical System

T03_COMPONENT OPERATION
Group 1 Pump Device
Group 2 Swing Device
Group 3 Control Valve
Group 4 Pilot Valve
Group 5 Electric Lever
Group 6 Transmission
Group 7 Axle
Group 8 Travel Motor
Group 9 Signal Control Valve
Group 10 Steering Valve
Group 12 Others (Upperstructure)
Group 13 Others (Undercarriage)

TROUBLESHOOTING – TTLA-0722-ZX

T04_OPERATIONAL PERFORMANCE TEST
Group 1 Introduction

T05_TROUBLESHOOTING
Group 1 Diagnosing Procedure
Group 2 Monitor Unit
Group 3 Dr.ZX
Group 4 ICF
Group 5 Component Layout

MANUAL SPECIFICATION :

File Format : PDF
Language : English
Printable : Yes
Searchable : Yes
Bookmarked : Yes
Total Pages : 631

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OPERATIONAL PRINCIPLE – TTLA-0721-ZX

T01_GENERAL
Group 1 Component Layout
Main Component Layout
Electrical Component Layout (Overview)
Electrical Component Layout (Monitors and Switches)
Electrical Component Layout (Controllers and Relays)
Engine
Pump Device
Swing Device
Signal Control Valve
Control Valve
3-Spool Solenoid Valve Unit
Brake Valve
Solenoid Valve Unit (for Electric Lever)
Travel Shockless Valve
Travel Device
Transmission Changeover Solenoid Valve
Filter

T02_SYSTEM
Contents
Group 1 Controller
Outline
CAN: Controller Area Network (Network Provided for Machine))
MC: Main Controller
ECM: Engine Control Module
ICF: Information Controller
Monitor Unit
Option Controller
Steering Column Monitor
Group 2 Control System
Outline
Engine Control
Pump Control
Valve Control
Other Controls
Option Controller Control
Electric and Hydraulic Composite Circuit Control
Group 3 ECM System
Outline
Fuel Injection Control
Fuel Injection Amount Correction Control
Preheating Control
EGR (Exhaust Gas Recirculation) Control
Engine Stop Control
Group 4 Hydraulic System
Outline
Pilot Circuit
Service Brake Circuit
Steering Circuit
Main Circuit
Group 5 Electrical System
Outline
Main Circuit
Electric Power Circuit (Key Switch: OFF)
Accessory Circuit
Starting Circuit (Key Switch: START)
Charging Circuit (Key Switch: ON)
Serge Voltage Prevention Circuit
Pilot Shut-Off Circuit (Key Switch: ON)
Security Lock Circuit
Engine Stop Circuit (Key Switch: OFF)
Security Horn Circuit
Wiper/ Washer Circuit
Light Circuit

T03_COMPONENT OPERATION
Contents
Group 1 Pump Device
Outline
Main Pump
Regulator
Solenoid Valve
Pilot Pump, Steering Pump
Pump Delivery Pressure Sensor
Pump Control Pressure Sensor
Group 2 Swing Device
Outline
Swing Reduction Gear
Swing Motor
Swing Parking Brake
Valve Unit
Combination Valve
Group 3 Control Valve
Outline
Hydraulic Circuit
Main Relief Valve
Overload Relief Valve
Anti-Drift Valve
Regenerative Valve
Flow Rate Control Valve
Bypass Shut-Out Valve
Auxiliary Flow Combiner Valve
Group 4 Pilot Valve
Outline
Operation
Group 5 Electric Lever
Outline
Operation
Group 6 Transmission
Outline
Transmission
Shift Interlock Control
Shock Reducing Function
Disconnect Device
Group 7 Axle
Front Axle
Differential Gear
Reduction Gear
Steering Cylinder
Rear Axle
Group 8 Travel Motor
Outline
Rotor Section
Regulator
Overload Relief Valve
Travel Brake Valve
Group 9 Signal Control Valve
Outline
Pilot Port
Shuttle Valve
Shockless Valve
Pump 1 and Pump 2 Flow Rate Control Valves
Bucket Flow Rate Control Valve Control Spool, Swing Parking Brake Release Spool
Group 10 Steering Valve
Outline
Steering Valve
Operation
Overload Relief Valve
Make-Up Valve
Priority Valve
Operation
Relief Valve
Group 11 Brake Valve
Outline
Operation
Group 12 Others (Upperstructure)
Pilot Shut-Off Solenoid Valve
Pilot Shut-Off Solenoid Valve
Solenoid Valve
Travel Shockless Valve
Accumulator Charging Valve
Hose Rupture Valve
Accumulator
Pilot Relief Valve
Group 13 Others (Undercarriage)
Swing Bearing
Center Joint
Slip Ring
Cylinder

PERFORMANCE TEST – TROUBLESHOOTING – TTLA-0722-ZX

T04_OPERATIONAL PERFORMANCE TEST
Group 1 Introduction
Operational Performance Tests
Preparation for Performance Tests

T05_TROUBLESHOOTING
Group 1 Diagnosing Procedure
Introduction
Diagnosing Procedure
Group 2 Monitor Unit
Outline
How To Use Screens
Screen Display When An Alarm is Issued
Contents of Alarms
Time Setting
Attachment Adjustment (Pump 2 Flow Rate Adjustment)
Displaying Operating Conditions
Maintenance Settings
Work Mode (Attachment Selection)
Mail (Optional)
Meter Display Selection
Password Change (Optional)
Back Monitor Settings
Language Settings
Meter Combination Settings
Unit Settings
Service Menu (Built-In Diagnosing System) Operation
Troubleshooting
Monitoring
Controller Version
Blade/Outrigger Settings
Keyless Hour Meter
List of Monitor Unit Setting Function
Group 3 Dr.ZX
Dr.ZX Operation Procedure
Group 4 ICF
Outline
List of Daily Report Data
List Of Frequency Distribution Data
List of Total Operating Hours
How to Download and Upload Data of ICF
Various Setup of ICF and Satellite Communication Terminal by Using Dr. ZX
List of Fault Code
Satellite Communication System
Group 5 Component Layout
Main Component Layout
Electrical Component Layout (Overview)
Electrical Component Layout (Monitors and Switches)
Electrical Component Layout (Controllers and Relays)
Engine
Pump Device
Swing Device
Signal Control Valve
Control Valve
3-Spool Solenoid Valve Unit
Brake Valve
Solenoid Valve Unit (for Electric Lever)
Travel Shockless Valve
Travel Device
Transmission Changeover Solenoid Valve
Filter
Pilot Port

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