This is the COMPLETE Service Repair Manual for the Hitachi EX120-5 Excavator. It contains deep information about maintaining, assembly, disassembly and servicing your Hitachi EX120-5 Excavator.

This Manual contains information and data to this model. has specs, diagrams, and actual real photo illustrations, and schemes, which give you complete step by step operations on repair, Diagnosing, servicing, technical maintenance & troubleshooting procedures for your machine. this manual offers full information you need for repair your machine. the information in this manual will enable you to find trouble and to understand how to repair and maintain your machine without going into service. YOU CAN DO THE REPAIRS YOURSELF AND SAVE MONEY $$$

Service Repair Manual Contains:
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Workshop Manual Contents:
INTRODUCTION
SAFETY
SECTION 1 GENERAL INFORMATION
Group 1 Precautions for Disassembling and Assembling
Group 2 Tightening Torque
SECTION 2 UPPERSTRUCTURE
Group 1 Cab
Group 2 Counterweight
Group 3 Main Frame
Group 4 Pump Device
Group 5 Control Valve
Group 6 Swing Device
Group 7 Pilot Valve
Group 8 Pilot Shut-Off Valve
Group 9 Shockless Valve
Group 10 Solenoid Valve
Group 11 Pilot Relief Valve Unit
SECTION 3 UNDERCARRIAGE
Group 1 Swing Bearing
Group 2 Travel Device
Group 3 Center Joint
Group 4 Track Adjuster
Group 5 Front Idler
Group 6 Upper and Lower Roller
Group 7 Track
SECTION 4 FRONT ATTACHMENT
Group 1 Front Attachment
Group 2 Cylinder
SECTION 5 ENGINE
Group 1 General Introduction
Group 2 Maintenance
Group 3 Engine Assembly 1 (Disassembly)
Group 4 Engine Assembly 2 (inspection and Repair)
Group 5 Engine Assembly 3 (Reassembly)
Group 6 Lubricating System
Group 7 Cooling System
Group 8 Fuel System
Group 9 Turbocharger
Group 10 Air Compressor
Group 11 Engine Electricals
Group 12 Troubleshooting
Group 13 Special Tool List
Group 14 Conversion Table

Technical Manual (Operational Principle, Troubleshooting) Contents:
INTRODUCTION
SAFETY
SECTION 1 GENERAL
Group 1 Specifications
Group 2 Component Layout
SECTION 2 SYSTEM
Group 1 Control System
Group 2 Hydraulic System
Group 3 Electrical System
SECTION 3 COMPONENT OPERATION
Group 1 Pump Device
Group 2 Swing Device
Group 3 Control Valve
Group 4 Pilot Valve
Group 5 Travel Device
Group 6 Others (Upperstructure)
Group 7 Others (Undercarriage)
SECTION 4 OPERATIONAL PERFORMANCE TEST
Group 1 Introducution
Group 2 Engine Test
Group 3 Excavator Test
Group 4 Component Test
Group 5 Standard
SECTION 5 TROUBLESHOOTING
Group 1 Diagnosing Procedure
Group 2 Component Layout
Group 3 Troubleshooting A
Group 4 Troubleshooting B
Group 5 Troubleshooting C
Group 6 Electrical System Inspection
Group 7 Harness Check

Circuit Diagram & Harness Contents:
EX120-5 ELECTRICAL CIRCUIT DIAGRAM (Machines produced up to end of July 98)
EX120-5 ELECTRICAL CIRCUIT DIAGRAM (Machines produced from beginning Aug.98)
EX120-5 ENGINE HARNESS
EX120-5 RELAY HARNESS (Machines produced up to end of July 98)
EX120-5 A/C HARNESS (Machines produced up to end of July 98)
EX120-5 CONNECTORS (Machines produced up to end of July 98)
EX120-5 CONNECTORS (Machines produced from beginning Aug.98)
EX120-5 CAB HARNESS
EX120-5 RELAY HARNESS (Machines produced from beginning Aug.98)
EX120-5 A/C HARNESS (Machines produced from beginning Aug.98)

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** Model Specification: Hitachi EX120-5 Excavator
** Language: English
** File Format: PDF
** Requirements: Adobe PDF Reader & WinZip
** Compatible: All Versions of Windows & Mac, Linux OS, Iphone, Ipad, Android etc...

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