Hitachi ZX145W-3 Wheeled Excavator Operational Principle+Troubleshooting+Workshop Manual – PDF DOWNLOAD

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Hitachi ZX145W-3 Wheeled Excavator Operational Principle+Troubleshooting+Workshop Manual

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Hitachi ZX145W-3 Wheeled Excavator Operational Principle+Troubleshooting+Workshop Manual 

This Listing includes all of the manuals mentioned below:

1. Hitachi ZX145W-3 Wheeled Excavator Electrical Circuit Diagram
2. Hitachi ZX145W-3 Wheeled Excavator Electrical-Hydraulic Circuit Diagram
3. Hitachi ZX145W-3 Wheeled Excavator Technical Operational Principle Manual
4. Hitachi ZX145W-3 Wheeled Excavator Workshop Manual
5. Hitachi ZX145W-3 Wheeled Excavator Technical Troubleshooting Manual

DESCRIPTION:

Hitachi ZX145W-3 Wheeled Excavator Operational Principle+Troubleshooting+Workshop Manual 

INTRODUCTION:

TO THE READER:
• This manual is written for an experienced technician to provide technical information needed to maintain and repair this machine.
• Be sure to thoroughly read this manual for correct product information and service procedures.
• If you have any questions or comments, at if you found any errors regarding the contents of this manual, please contact using “Service Manual Revision Request Form” at the end of this manual.

ADDITIONAL REFERENCES:

• Please refer to the materials listed below in addition to this manual.
• The Operator’s Manual
• The Parts Catalog
• The Engine Manual
• Parts Catalog of the Engine
• Hitachi Training Material

MANUAL COMPOSITION:
• This manual consists of three portions: the Technical Manual (Operational Principle), the Technical Manual (Troubleshooting) and the Workshop Manual.
• Information included in the Technical Manual (Operational Principle): technical information needed for redelivery and delivery, operation and activation of all devices and systems.
• Information included in the Technical Manual (Troubleshooting): technical information needed for operational performance tests, and troubleshooting procedures.
• Information included in the Workshop Manual: technical information needed for maintenance and repair of the machine, tools and devices needed for maintenance and repair, maintenance standards, and removal/installation and assemble/ disassemble procedures.

TABLE OF CONTENTS:

Hitachi ZX145W-3 Wheeled Excavator Operational Principle+Troubleshooting+Workshop Manual 

• Hitachi ZX145W-3 Wheeled Excavator Technical Operational Principle Manual

SECTION 1 GENERAL
Group 1 Specification
Group 2 Component Specifications
Group 3 Component Layout
SECTION 2 SYSTEM
Group 1 Controller
Group 2 Control System
Group 3 ECM System
Group 4 Hydraulic System
Group 5 Electrical System
SECTION 3 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 11 Brake Valve
Group 12 Others (Upperstructure)
Group 13 Others (Undercarriage)

• Hitachi ZX145W-3 Wheeled Excavator Technical Troubleshooting Manual

SECTION 4 OPERATIONAL PERFORMANCE
TEST
Group 1 Introduction
Group 2 Standard
Group 3 Engine Test
Group 4 Excavator Test
Group 5 Component Test
SECTION 5 TROUBLESHOOTING
Group 1 Diagnosing Procedure
Group 2 Monitor Unit
Group 3 Dr. ZX
Group 4 ICF
Group 5 Component Layout
Group 6 Troubleshooting A
Group 7 Troubleshooting B
Group 8 Electrical System Inspection

• Hitachi ZX145W-3 Wheeled Excavator Workshop Manual

SECTION 1
GENERAL
Group 1 Precautions for Disassembling
and Assembling
Precautions for Disassembling and
Assembling W1-1-1
Maintenance Standard Terminology W1-1-7
Group 2 Tightening
Tightening Torque Specifications W1-2-1
Torque Chart W1-2-4
Piping Joint W1-2-7
Periodic Replacement of Parts W1-2-12
Group 3 Painting
Painting W1-3-1
Group 4 Bleeding Air from Hydraulic Oil
Tank
Bleeding Air from Hydraulic Oil tank W1-4-1
SECTION 2
UPPERSTRUCTURE
Group 1 Cab
Removal and Installation of Cab W2-1-1
Dimensions of Cab Glass W2-1-12
Group 2 Counterweight
Removal and Installation of
Counterweight W2-2-1
Group 3 Main Frame
Removal and Installation of
Main Frame W2-3-1
Group 4 Pump Device
Removal and Installation of
Pump Device W2-4-1
Disassembly of Pump Device W2-4-10
Assembly of Pump Device W2-4-22
Disassembly of Regulator W2-4-42
Assembly of Regulator W2-4-44
Structure of Pilot Pump W2-4-46
Group 5 Control Valve
Removal and Installation of
Control Valve W2-5-1
Disassembly of Control Valve
4-Spool Side W2-5-12
Disassembly of Control Valve
5-Spool Side W2-5-20
Assembly and Disassembly of
4-Spool Side and 5-Spool SideW2-5-26
Assembly of Control Valve
4-Spool Side W2-5-28
Assemble of Control Valve
5-Spool Side W2-5-42
Removal and Installation of Positioning
Control Valve W2-5-55
Disassembly of Positioning
Control Valve W2-5-56
Assembly of Positioning
Control Valve W2-5-58
Group 6 Swing Device
Removal and Installation of
Swing DeviceW2-6-1
Disassembly of Swing Device W2-6-6
Assembly of Swing Device W2-6-14
Disassembly of Swing Motor W2-6-22
Assembly of Swing MotorW2-6-26
Disassembly of Valve Unit W2-6-32
Assembly of Valve UnitW2-6-34
Structure of Swing Dampener ValveW2-6-36
Maintenance StandardW2-6-37
SECTION 3
UNDERACRRIAGE
Group 1 Swing Bearing
Removal and Installation of Swing BearingW3-1-1
Disassembly of Swing BearingW3-1-4
Assembly of Swing BearingW3-1-6
Group 2 Travel Motor
Removal and Installation of Travel MotorW3-2-1
Disassembly of Travel MotorW3-2-4
Assembly of Travel MotorW3-2-12
Disassembly of Brake ValveW3-2-20
Assembly of Brake ValveW3-2-22
Group 3 Center Joint
Removal and Installation of Center JointW3-3-1
Disassembly of Center Joint
(ZX145W-3-AMS: Up to serial No 050000)W3-3-8
Assembly of Center Joint
(ZX145W-3-AMS: Up to serial No 050000) W3-3-10
Disassembly of Center Joint
(ZX145W-3-AMS: Serial No 050001 and up)W3-3-14
Assembly of Center Joint
(ZX145W-3-AMS: Serial No 050001 and up)W3-3-16
Maintenance StandardW3-3-18
Group 4 Transmission
Removal and Installation of Transmission
(ZX145W-3-AMS: Up to serial No 050000)W3-4-1
Disassembly of Transmission
(ZX145W-3-AMS: Up to serial No 050000)W3-4-6
Assembly of Transmission
(ZX145W-3-AMS: Up to serial No 050000)W3-4-18
Removal and installation of Transmission
(ZX145W-3-AMS: Serial No 050001 and up)W3-4-37
Disassembly of Transmission
(ZX145W-3-AMS: Serial No 050001 and up)W3-4-42
Assembly of Transmission
(ZX145W-3-AMS: Serial No 050001 and up)W3-4-54
Group 5 Axle
Removal and Installation of Axle
(ZX145W-3-AMS: Up to serial No 050000)W3-5-1
Disassembly of Front Axle
(ZX145W-3-AMS: Up to serial No 050000)W3-5-12
Assembly of Front Axle
(ZX145W-3-AMS: Up to serial No 050000)W3-5-22
Disassembly of Rear Axle
(ZX145W-3-AMS: Up to serial No 050000)W3-5-32
Assembly of Rear Axle
(ZX145W-3-AMS: Up to serial No 050000)W3-5-38
Disassembly of Differential
(ZX145W-3-AMS: Up to serial No 050000)W3-5-46
Assembly of Differential
(ZX145W-3-AMS: Up to serial No 050000)W3-5-52
Removal and Installation of Axle
(ZX145W-3-AMS: Serial No 050001 and up)W3-5-59
Disassembly of Front Axle
(ZX145W-3-AMS: Serial No 050001 and up)W3-5-70
Assembly of Front Axle
(ZX145W-3-AMS: Serial No 050001 and up)W3-5-78
Disassembly of Rear Axle
(ZX145W-3-AMS: Serial No 050001 and up)W3-5-88
Assembly of Rear Axle
(ZX145W-3-AMS: Serial No 050001 and up)W3-5-94
Disassembly of Differential
(ZX145W-3-AMS: Serial No 050001 and up)W3-5-102
Assembly of Differential
(ZX145W-3-AMS: Serial No 050001 and up)W3-5-104
Disassembly of Steering Cylinder
(ZX145W-3-AMS: Serial No 050001 and up)W3-5-106
Assembly of Steering Cylinder
(ZX145W-3-AMS: Serial No 050001 and up)W3-5-108
SECTION 4
ATTACHMENT
Group 1 Front Attachment
Hydraulic Circuit Pressure
Release Procedure W4-1-1
Removal and Installation of
Front Attachment (2-Piece Boom) W4-1-2
Maintenance Standard W4-1-11
Standard Dimensions for
Arm and Bucket Connection W4-1-13
Standard Dimensions for
Arm and Boom Connection W4-1-14
Group 2 Cylinder
Hydraulic Circuit Pressure
Release Procedure W4-2-1
Removal and Installation of Cylinder W4-2-2
Disassembly of Boom, Arm and
Bucket Cylinders W4-2-26
Assembly of Boom, Arm and
Bucket Cylinders W4-2-32
Disassembly of Positioning Cylinder W4-2-38
Assembly of Positioning Cylinder W4-2-42
Disassembly of Outrigger and
Blade Cylinders W4-2-46
Assembly of Outrigger and
Blade Cylinder W4-2-48
Maintenance Standard W4-2-54
Group 3 Hose Rupture Valve
Hydraulic Circuit Pressure
Release ProcedureW4-3-1
Removal and Installation of Hose
Rupture Valve for Arm Cylinder W4-3-2
Removal and Installation of Hose Rupture
Valve for Positioning CylinderW4-3-3
Removal and Installation of Hose
Rupture Valve for Boom Cylinder W4-3-5
Structure of Hose Rupture Valve
for Arm Cylinder W4-3-8
Structure of Hose Rupture Valves
for Boom and Positioning Cylinders W4-3-12
Group 4 Operate Check Valve
Removal and Installation of Operate Check
Valve (for Blade and Outrigger) W4-4-1
Structure of Operate Check Valve W4-4-3

HITACHI ZX145W-3 WHEELED EXCAVATOR OPERATIONAL PRINCIPLE+TROUBLESHOOTING+WORKSHOP MANUAL – PDF DOWNLOAD:

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