Hitachi Ex750-5 Ex800H-5 Excavator Operational Principle Manual – PDF DOWNLOAD

Description

Hitachi Ex750-5 Ex800H-5 Excavator Operational Principle Manual

FILE DETAILS:

Hitachi Ex750-5 Ex800H-5 Excavator Operational Principle Manual

Language : English
Pages : 143
Downloadable : YES
Format : PDF
Size :2.62 MB

DESCRIPTION:

Hitachi Ex750-5 Ex800H-5 Excavator Operational Principle 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 Ex750-5 Ex800H-5 Excavator Operational Principle Manual

• Hitachi Ex750-5 Ex800H-5 Hydraulic Excavator Technical Operational Principle Manual

SECTION 1
GENERAL
Group 1 Specification
SpecificationsT1-1-1
Working Ranges/Transporting
Dimensions T1-1-5
Group 2 Component Specifications
EngineT1-2-1
Engine Accessories T1-2-4
Hydraulic Components T1-2-5
Filters T1-2-7
Electrical Components T1-2-8
Group 3 Component Layout
Main Components T1-3-1
Electrical System (1) T1-3-2
Electrical System (2) T1-3-3
Electrical System (3) T1-3-4
Control ValveT1-3-6
Other Components T1-3-10
SECTION 2
SYSTEM
Group 1 Control System
Outline T2-1-1
Engine Control T2-1-2
Pump Control T2-1-6
Valve ControlT2-1-14
Other Control T2-1-18
Group 2 Hydraulic System
Outline T2-2-1
Main Circuit T2-2-2
Pilot CircuitT2-2-7
Group 3 Electrical System
Outline T2-3-1
Power CircuitT2-3-2
Bulb Check CircuitT2-3-3
Engine Start Circuit T2-3-4
Charging Circuit T2-3-6
Accessory Circuit T2-3-7
Surge Voltage Prevention Circuit T2-3-8
Engine Stop CircuitT2-3-9
SECTION 3
COMPONENT OPERATION
Group 1 Pump Device
Outline T3-1-1
Main PumpT3-1-2
Regulator T3-1-4
Pilot PumpT3-1-12
N Sensor (Engine Speed Sensor) T3-1-12
P Sensor
(Pump Delivery Pressure Sensor)T3-1-12
A Sensor
(Pump Displacement Angle Sensor) T3-1-12
Group 2 Swing Device
Outline T3-2-1
Swing Motor T3-2-2
Valve UnitT3-2-4
Swing Parking Brake T3-2-6
Swing Reduction GearT3-2-7
Group 3 Control Valve
Outline T3-3-1
Hydraulic Circuit T3-3-6
Flow Combiner ValveT3-3-8
Center Bypass Valve T3-3-9
Pump Control ValveT3-3-10
Main Relief ValveT3-3-12
Overload Relief Valve T3-3-13
Make-Up ValveT3-3-13
Holding Valve T3-3-14
Arm Regenerative Valve T3-3-15
Group 4 Pilot Valve
Outline T3-4-1
Operation T3-4-2
Group 5 Travel Device
Outline T3-5-1
Travel Reduction GearT3-5-2
Travel Motor T3-5-3
Travel Brake Valve T3-5-5
Travel Motor Displacement
Angle Shift T3-5-7
Parking BrakeT3-5-9
Group 6 Others (Upperstructure)
Pilot Shut-Off Valve T3-6-1
Shockless Valve T3-6-2
Solenoid ValveT3-6-3
Accumulator T3-6-4
Group 7 Others (Undercarriage)
Swing Bearing T3-7-1
Center JointT3-7-2
Track Adjuster T3-7-3

HITACHI EX750-5 EX800H-5 EXCAVATOR OPERATIONAL PRINCIPLE MANUAL – PDF DOWNLOAD:

IMAGES PREVIEW OF THE MANUAL:

PLEASE NOTE:

• This is the same manual used by the dealers to diagnose and troubleshoot your vehicle
• You will be directed to the download page as soon as the purchase is completed. The whole payment and downloading process will take anywhere between 2-5 minutes
• Need any other service / repair / parts manual, please feel free to contact [email protected] . We still have 50,000 manuals unlisted