303.5C CR and 303C CR Mini Hydraulic Excavators Hydraulic System Caterpillar


Relief Valve (Pilot)

Usage:

303C CR BXT



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.

Caterpillar Information System:

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