Hitachi Zaxis 110 120 125US 135US 135UR Excavator Workshop Manual – PDF DOWNLOAD

Description

Hitachi Zaxis 110 120 125US 135US 135UR Excavator Workshop Manual

FILE DETAILS:

Hitachi Zaxis 110 120 125US 135US 135UR Excavator Workshop Manual 

Language : English
Pages : 707
Downloadable : Yes
Format : PDF
Size : 15.3 MB
Manual No. : KM-187E
Vol. No. : W187E-02

DESCRIPTION:

Hitachi Zaxis 110 120 125US 135US 135UR Excavator 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 Zaxis 110 120 125US 135US 135UR Excavator Workshop Manual 

SECTION 1
GENERAL
Group 1 Specifications
Specifications T1-1-1
Working Ranges T1-1-8
Group 2 Component Layout
Main Component Layout T1-2-1
Electrical Component Layout T1-2-4
(Overview)
Elecrical System T1-2-7
(Relays and Related Equipment)
Electrical System T1-2-10
(Monitors and Switches)
Pump Device T1-2-12
Swing Device T1-2-13
Control Valve T1-2-13
Signal Control Valve T1-2-13
Solenoid Valve Unit T1-2-13
8-Unit Solenoid Valve Unit T1-2-14
Blade Control Valve T1-2-14
Positioning Control Valve T1-2-14
Travel Device T1-2-14
Group 3 Component Specifications
ZAXIS110,110M,ZAXIS125US,
ZAXIS135UR T1-3-1
ZAXIS120,130,130LCN,135US T1-3-11
SECTION 2
SYSTEM
Group 1 Control System
Outline T2-1-1
Engine Control T2-1-2
Pump Control T2-1-21
Valve Control T2-1-28
Other Controls T2-1-36
Group 2 Front Control System
Outline T2-2-1
Front Movement Control T2-2-2
Group 3 Hydraulic System
Outline T2-3-1
Pilot Circuit T2-3-2
Main Circuit T2-3-16
Group 4 Electrical System
Outline T2-4-1
Main Circuit T2-4-2
Electric Power Circuit T2-4-4
Indicator Light Check Circuit T2-4-6
Accessory Circuit T2-4-8
Preheat Circuit T2-4-10
Starting Circuit T2-4-12
Charging Circuit T2-4-16
Engine Stop Circuit T2-4-20
Serge Voltage Prevention Circuit T2-4-22
SECTION 3
COMPONENT OPERATION
Group 1 Pump Device
Outline T3-1-1
Main Pump T3-1-2
Regulator T3-1-4
Solenoid ValveT3-1-20
Blade Pump (ZAXIS135UR Only)
and Pilot Pump T3-1-22
N Sensor (Engine Speed Sensor) T3-1-22
Pump Delivery Pressure Sensor T3-1-22
Pump Control Pressure Sensor T3-1-23
Group 2 Swing Device
Outline T3-2-1
Swing Reduction Gear T3-2-2
Swing Motor T3-2-3
Swing Parking BrakeT3-2-4
Valve Unit T3-2-6
Group 3 Control Valve
Outline T3-3-1
Hydraulic Circuit T3-3-12
Flow Combiner Valve T3-3-20
Main Relief ValveT3-3-22
Overload Relief ValveT3-3-24
Regenerative Valve T3-3-26
Anti-Drift ValveT3-3-28
Flow Rate Control Valve T3-3-30
Bypass Shut-Out Valve T3-3-32
Auxiliary Flow Combining Valve T3-3-34
Group 4 Pilot Valve
Outline T3-4-1
OperationT3-4-4
Group 5 Travel Device
OutlineT3-5-1
Travel Reduction GearT3-5-2
Travel Motor T3-5-4
Parking Brake T3-5-6
Travel Mode Control T3-5-10
Travel Brake Valve T3-5-18
Group 6 Signal Control Valve
OutlineT3-6-1
Pilot Port T3-6-2
Shuttle Valve T3-6-6
Shockless Valve T3-6-10
Pump 1 and Pump 2 Flow Rate
Control Valves T3-6-12
Bucket Flow Rate Control Valve,
Flow Combiner Valve Control Spool,
Swing Parking Brake Release Spool T3-6-14
Group 7 Others (Upperstructure)
Pilot Shut-Off ValveT3-7-1
Solenoid Valve UnitT3-7-3
Offset Anti-Drift Valve (ZAXIS135UR Only) T3-7-8
Holding Valve T3-7-10
Pilot Relief Valve T3-7-14
EC Motor T3-7-14
Group 8 Others (Undercarriage)
Swing BearingT3-8-1
Center JointT3-8-2
Track Adjuster T3-8-4

HITACHI ZAXIS 110 120 125US 135US 135UR EXCAVATOR WORKSHOP MANUAL – PDF DOWNLOAD:

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PLEASE NOTE:

• This is the SAME manual used by the dealers to troubleshoot any faults in your vehicle. This can be yours in 2 minutes after the payment is made.
• Contact us at [email protected] should you have any queries before your purchase or that you need any other service / repair / parts operators manual.