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303.02.0039.02 4-Circuit Protection Valve Equivalent Kit

303.02.0039.02

Summary

This heavy-duty repair kit is designed for the overhaul of 4-circuit protection valves within pneumatic brake systems. It provides high-strength components to renew internal seals and diaphragms, ensuring the protection valve maintains factory-standard pressure response for heavy commercial vehicles.

Product identifiers
EAN Code8699031064000
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Description

What does a repair kit do?

A 4-Circuit Protection Valve Repair Kit is a complete overhaul set containing wear parts such as seals, diaphragms, springs, and pistons, designed for the revision of the four-circuit protection valve found in the pneumatic brake system of heavy commercial vehicles.

Function and system role

This kit serves as a vital maintenance solution for the four-circuit protection valve, which distributes compressed air into independent circuits including front axle, rear axle, park/spring brake, and auxiliary consumers. By renewing the internal wear components, this kit ensures the valve maintains correct pressure levels and response speed without needing to replace the entire valve housing.

Maintenance and installation

For workshop technicians performing pneumatic system maintenance, using a high-strength repair kit allows for efficient servicing of the brake system. When replacing these components, ensure all ports are clean and that the valve is re-tested to ensure it correctly isolates pressure in the event of a circuit leak.

System safety benefits

This component is essential for maintaining safety in heavy commercial vehicle braking systems by ensuring that a leak in one circuit does not compromise the pressure in others.

FAQ

What is included in this repair kit?
The kit typically contains essential wear parts such as seals, diaphragms, springs, and pistons required to overhaul the valve.
How does this kit help maintain braking safety?
By renewing internal components, it ensures the valve can effectively isolate air pressure if a leak occurs in one of the four circuits.
Can I use this to fix a leaking protection valve?
Yes, replacing worn seals and diaphragms with these high-strength components can restore the valve to its factory pressure values.
What is the benefit of a repair kit versus a new valve?
A repair kit allows technicians to renew the internal mechanism of the existing housing, providing an efficient way to restore performance.