301.6C and 301.8C Mini Hydraulic Excavators Hydraulic System Caterpillar


Relief Valve (Pilot)

Usage:

301.6C JBB



Illustration 1g00843356

Pilot relief valve

(1) Relief valve

(2) Spring

(3) Shim

The pilot relief valve is located inside the pilot and travel speed manifold. The pilot relief valve protects the pilot system from damage that could occur if the pressure in the system was too high.

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