Hitachi Wheeled Excavator Type Zaxis 170, 190: 170W-3, 190W-3 Workshop Service Manual

Original Illustrated Factory Workshop Service Manual for Hitachi Wheeled Excavator Type Zaxis 170, 190. 
Original factory manuals for Hitachi Excavator Mashines, contains high quality images, circuit diagrams and instructions to help you to operate and repair your truck. All Manuals Printable and contains Searchable Text
 
Covered models:
    170W-3
    190W-3
 
Language: English
Format: ZIP, Contained set of PDF Manuals:
1. Perfomance Test Troubleshooting, PDF, 148 Pages
    Contents:
        Introduction
        Diagnosing Procedure
        Monitor Unit
        Dr.ZX
        ICF (Information Controller)
        Component Layout 
2. Operational Principle, PDF, 483 Pages
    Component Layout
    TO2 System
    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
        ElectricPower Circuit (Key Switch: OFF)
        Accessory Circuit
        Starting Circuit (Key Switch: START)
        Charging Circuit (Key Switch: ON)
        Serge Voltage Prevention Circuit
        Pilot Shut-OffCircuit (Key Switch: ON)
        Security LockCircuit
        Engine Stop Circuit (Key Switch: OFF)
        Security Horn Circuit
        Wiper/Washer Circuit
        Light Circuit
    SECTION 3.  COMPONENT OPERATION 
    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
        HydraulicCircuit
        Main Relief Valve
        Overload Relief Valve
        Anti-DriftValve
        Regenerative Valve
        Flow Rate Control Valve
        BypassShut-Out Valve
        Auxiliary Flow Combiner Valve 
    Group 4 Pilot Valve 
        Outline
        Operation
    Group 5 Electric Lever 
        Outline
        Operation
    Group 6 Transmission 
        Outline
        Transmission
        Shift InterlockControl
        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
        ShocklessValve
        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-OffSolenoid Valve
        Transmission Changeover 
        Solenoid Valve
        Solenoid Valve
        Travel Shockless Valve
        Accumulator Charging Valve
        HoseRupture Valve
        Accumulator
        Pilot Relief Valve
    Group 13 Others (Undercarriage)
        Swing Bearing
        Center Joint
        Slip Ring
        Cylinder.
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