Hitachi Zaxis 140W-3 170W-3 190W-3 210W-3 Wheeled Excavator Technical Troubleshooting Manual – PDF

Description

Hitachi Zaxis 140W-3 170W-3 190W-3 210W-3 Wheeled Excavator Technical Troubleshooting Manual

FILE DETAILS:

Hitachi Zaxis 140W-3 170W-3 190W-3 210W-3 Wheeled Excavator Technical Troubleshooting Manual

Language : English
Pages : 148
Downloadable : Yes
Format : PDF
Size : 3.21 MB
Part No : TTLA-D722 -ZX

DESCRIPTION:

Hitachi Zaxis 140W-3 170W-3 190W-3 210W-3 Wheeled Excavator Technical Troubleshooting 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 Zaxis 140W-3 170W-3 190W-3 210W-3 Wheeled Excavator Technical Troubleshooting Manual 

SECTION 1
GENERAL
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
SECTION 2
SYSTEM
Group 1 Controller
Outline T2-1-1
Can: Controller Area Network
(Network Provided for Machine) T2-1-2
MC: Main Controller T2-1-3
ECM: Engine Control Module T2-1-12
ICF: Information Controller T2-1-14
Monitor Unit T2-1-16
Option Controller T2-1-31
Steering Column Monitor T2-1-36
Group 2 Control System
Outline T2-2-1
Engine Control T2-2-4
Pump Control T2-2-32
Valve Control T2-2-52
Other Controls T2-2-71
Option Controller Control T2-2-97
Electric and Hydraulic
Composite Circuit ControlT2-2-114
Group 3 ECM System
Outline T2-3-1
Fuel Injection Control T2-3-2
Fuel Injection Amount Correction Control T2-3-10
Preheating Control T2-3-11
EGR (Exhaust Gas Recirculation)
Control T2-3-12
Engine Stop Control T2-3-14
Group 4 Hydraulic System
Outline T2-4-1
Pilot Circuit T2-4-2
Service Brake Circuit T2-4-18
Steering Circuit T2-4-19
Main Circuit T2-4-20
Group 5 Electrical System
Outline T2-5-1
Main Circuit T2-5-2
Electric Power Circuit (Key Switch: OFF) T2-5-4
Accessory Circuit T2-5-6
Starting Circuit (Key Switch: START) T2-5-8
Charging Circuit (Key Switch: ON) T2-5-14
Serge Voltage Prevention Circuit T2-5-18
Pilot Shut-Off Circuit (Key Switch: ON) T2-5-20
Security Lock Circuit T2-5-22
Engine Stop Circuit (Key Switch: OFF) T2-5-24
Security Horn Circuit T2-5-26
Wiper/Washer Circuit T2-5-28
Light Circuit T2-5-30
SECTION 3
COMPONENT OPERATION
Group 1 Pump Device
Outline T3-1-1
Main Pump T3-1-2
Regulator T3-1-6
Solenoid Valve T3-1-22
Pilot Pump, Steering Pump T3-1-24
Pump Delivery Pressure Sensor T3-1-24
Pump Control Pressure Sensor T3-1-24
Group 2 Swing Device
Outline T3-2-1
Swing Reduction Gear T3-2-2
Swing Motor T3-2-3
Swing Parking Brake T3-2-4
Valve Unit T3-2-6
Combination Valve T3-2-9
Group 3 Control Valve
Outline T3-3-1
Hydraulic Circuit T3-3-16
Main Relief Valve T3-3-24
Overload Relief Valve T3-3-26
Anti-Drift Valve T3-3-30
Regenerative Valve T3-3-32
Flow Rate Control Valve T3-3-34
Bypass Shut-Out Valve T3-3-36
Auxiliary Flow Combiner Valve T3-3-38
Group 4 Pilot Valve
Outline T3-4-1
Operation T3-4-4
Group 5 Electric Lever
Outline T3-5-1
Operation T3-5-2
Group 6 Transmission
Outline T3-6-1
Transmission T3-6-2
Shift Interlock Control T3-6-10
Shock Reducing Function T3-6-12
Disconnect Device T3-6-14
Group 7 Axle
Front Axle T3-7-1
Differential Gear T3-7-2
Reduction Gear T3-7-6
Steering Cylinder T3-7-8
Rear Axle T3-7-9
Group 8 Travel Motor
Outline T3-8-1
Rotor Section T3-8-3
Regulator T3-8-4
Overload Relief Valve T3-8-14
Travel Brake Valve T3-8-15

HITACHI ZAXIS 140W-3 170W-3 190W-3 210W-3 WHEELED EXCAVATOR TECHNICAL TROUBLESHOOTING MANUAL – PDF:

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