Installing Auxiliary Hydraulics on the Hitachi Zaxis 200

[MikePhua]

Introduction
The Hitachi Zaxis 200 is a versatile hydraulic excavator widely used in construction and demolition projects. Equipped with a powerful engine and advanced hydraulic systems, it can be adapted to various tasks by adding auxiliary hydraulic attachments. This article provides a comprehensive guide on installing auxiliary hydraulics on the Zaxis 200, focusing on the necessary components, installation procedures, and considerations for optimal performance.
Understanding Auxiliary Hydraulics
Auxiliary hydraulics refer to the additional hydraulic circuits installed on an excavator to operate attachments such as breakers, grapples, or thumbs. These circuits are powered by the excavator's main hydraulic system but are routed separately to the attachment. The Zaxis 200, like many modern excavators, can be equipped with auxiliary hydraulics to enhance its versatility.
Key Components for Installation
To successfully install auxiliary hydraulics on the Zaxis 200, the following components are essential:

• Auxiliary Hydraulic Valve: Controls the flow of hydraulic fluid to the attachment.
  
• Piping Kit: Consists of hoses and fittings to connect the valve to the attachment.
  
• Quick Couplers: Allow for easy attachment and detachment of hydraulic lines.
  
• Flow Control Valve: Regulates the speed of the attachment's operation.
  
• Return Line Filter: Protects the hydraulic system from contaminants.
  

Installation Procedure

1. Preparation: Ensure the excavator is on a stable surface and the engine is turned off.
   
2. Valve Installation: Mount the auxiliary hydraulic valve in a location accessible to the operator.
   
3. Piping: Route the hydraulic hoses from the valve to the attachment, ensuring they are securely fastened and protected from abrasion.
   
4. Quick Couplers: Install quick couplers at the ends of the hoses to facilitate easy connection to the attachment.
   
5. Flow Control Valve: Set the flow control valve to match the requirements of the attachment, typically between 10-20 liters per minute.
   
6. Return Line Filter: Install the return line filter to prevent contaminants from entering the hydraulic system.
   
7. Testing: Start the excavator and test the operation of the auxiliary hydraulics, checking for leaks and proper function.
   

Considerations for Optimal Performance

• Attachment Compatibility: Ensure the attachment is compatible with the Zaxis 200's hydraulic system specifications.
  
• Hydraulic Flow Requirements: Different attachments have varying flow requirements; verify that the excavator's hydraulic system can meet these demands.
  
• Regular Maintenance: Regularly inspect the hydraulic system for leaks, wear, and contamination to maintain optimal performance.
  
• Operator Training: Train operators on the proper use and maintenance of auxiliary hydraulics to prevent damage and ensure safety.
  

Conclusion
Installing auxiliary hydraulics on the Hitachi Zaxis 200 enhances its versatility, allowing it to perform a wider range of tasks efficiently. By carefully selecting compatible components, following proper installation procedures, and maintaining the hydraulic system, operators can maximize the performance and longevity of their equipment.