Hitachi Ex120 Parts System Manuals Collection

Hitachi Ex120 Parts System Manuals Collection Of 3 Files

Hitachi Ex120 Parts System Manuals Collection

Hitachi Ex120 Owners Operators Manual

  1. Introduction to Hitachi EX120
  2. Importance of Understanding Hitachi EX120 Parts System
  3. Components of Hitachi EX120 Parts System
  4. Exploring Engine Parts
  5. Understanding Hydraulic Components
  6. Brake and Suspension Components
  7. Electrical System Overview
  8. Cooling System Components
  9. Transmission and Gearbox Parts
  10. Tracks and Undercarriage Parts
  11. Cabin and Operator Controls
  12. Routine Maintenance of Hitachi EX120 Parts
  13. Troubleshooting Common Issues
  14. Ensuring Genuine Hitachi Parts
  15. Conclusion
  16. FAQs

Introduction to Hitachi EX120

The Hitachi EX120 is a popular excavator model known for its reliability, performance, and durability in various construction and excavation projects. Understanding the parts system of the Hitachi EX120 is essential for ensuring proper maintenance, troubleshooting, and optimal performance.

Importance of Understanding Hitachi EX120 Parts System

As an owner or operator of the Hitachi EX120, having a thorough understanding of its parts system is crucial for several reasons. It enables you to identify and address maintenance needs promptly, troubleshoot issues effectively, and ensure that genuine Hitachi parts are used for replacements and repairs.

Components of Hitachi EX120 Parts System

The Hitachi EX120 parts system comprises various components, each playing a vital role in the excavator’s functionality. These components include engine parts, hydraulic components, brake and suspension parts, electrical system components, cooling system parts, transmission and gearbox parts, tracks and undercarriage parts, cabin, and operator controls.

Manual Covers:

Tune ups
Removal & install procedures
Assemblies & disassemblies
Fuel system
Lubrication system
Electrical system
General Information
Air Conditioning
Suspensionfor Hitachi EX120-1 Excavator.
Front Suspension
Rear Suspension
Tire System
Drive Shaft
Transfer Case
Engine Mechanical
Engine Cooling
Engine Fuel
Engine Electrical
Ignition System
Charging System
Engine Exhaust
Engine Lubrication
Engine Speed Control System
Electronic Control Modules
Engine Systems
Heated Systems
Ignition Control
Instrument Cluster
Power Systems
Speed Control
Exhaust System
Body Structure
Security and Locks
Air Bag System
Exterior Trim
Interior Trim
Fuel System
Transmission and Transfer Case
Air Conditioning
Emissions Control
Engine Removal
Engine Installation
Final Drive
Electrical System

Exploring Engine Parts

The engine is the heart of the Hitachi EX120, providing power for excavation and other functions. Engine parts include the cylinder block, cylinder head, pistons, crankshaft, camshaft, valves, fuel system components, and cooling system components.

Understanding Hydraulic Components

Hydraulic components are essential for controlling the movement of the excavator’s boom, arm, and bucket. These components include hydraulic cylinders, pumps, motors, valves, hoses, and fittings.

Brake and Suspension Components

Brake and suspension components ensure safe operation and stability of the Hitachi EX120. These components include brake pads, discs, calipers, suspension springs, and shock absorbers.

Electrical System Overview

The electrical system of the Hitachi EX120 includes various components such as batteries, alternators, starters, wiring harnesses, switches, relays, and sensors, responsible for powering and controlling electrical functions.

Cooling System Components

The cooling system prevents the engine from overheating during operation. Components include the radiator, fan, water pump, thermostat, and coolant reservoir.

Transmission and Gearbox Parts

Transmission and gearbox parts enable the smooth operation of the Hitachi EX120. Components include gears, clutches, bearings, shafts, and seals.

Tracks and Undercarriage Parts

Tracks and undercarriage parts support the weight of the excavator and provide traction on different terrains. Components include track shoes, rollers, idlers, sprockets, and track chains.

Cabin and Operator Controls

The cabin houses the operator controls and provides a comfortable working environment. Components include the operator’s seat, joystick controls, pedals, instrument panel, and air conditioning system.

Routine Maintenance of Hitachi EX120 Parts

Regular maintenance is essential for keeping the Hitachi EX120 in optimal condition. Routine maintenance tasks include checking fluid levels, lubricating moving parts, inspecting wear and tear, and replacing worn-out parts.

Troubleshooting Common Issues

Despite proper maintenance, excavators may experience issues that require troubleshooting. Common issues include hydraulic leaks, engine overheating, electrical faults, and track slippage. Understanding the parts system helps in diagnosing and resolving these issues promptly.

Ensuring Genuine Hitachi Parts

Using genuine Hitachi parts for replacements and repairs is crucial for maintaining the performance and longevity of the Hitachi EX120. Genuine parts are designed to fit and function seamlessly with the excavator, ensuring reliability and durability.

Hitachi Ex120 Parts System Manuals Collection

Hitachi Ex120 Parts System Manuals Collection
Hitachi Ex120 Parts System Manuals Collection
Price: $49.99


In conclusion, understanding the Hitachi EX120 parts system is essential for owners and operators to ensure proper maintenance, troubleshooting, and optimal performance. By familiarizing themselves with the various components and their functions, operators can prolong the lifespan of the excavator and maximize its efficiency on the job site.

Excavator Service Repair Manual for Volvo, Doosan, Case, Komatsu, Kobelco, Hitachi, Hyundai, New holland, Terex, Bobcat, Caterpillar, Takeuchi, Kubota, Jcb,Complete Step-By-Step Instructions, Diagrams, Illustrations, Wiring Schematics, And Specifications To Completely Repair Your Vehicle With Ease!