VolvoHydraulic Parts

14577744 — Relief Valve 14561300 14577744 For Volvo Excavator Ec330B Ec330C Ec340D Ec360 Ec360B Ec360C Ec360Chr Ec380D Ec380Dhr

This is a relief valve, a crucial safety component within the hydraulic system that regulates and limits system pressure. It protects hydraulic components from damage caused by over-pressurization by diverting excess fluid back to the tank, unlike a worn valve which may stick open or closed. Operators might observe erratic hydraulic function, sluggish operation, or hear unusual noises from the hydraulic pump.

Relief Valve 14561300 14577744 For Volvo Excavator Ec330B Ec330C Ec340D Ec360 Ec360B Ec360C Ec360Chr Ec380D Ec380Dhr – Part No 14577744 – Volvo Spare Part
Part Specifications
BrandVolvo
CategoryHydraulic Parts
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

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Installation & Application Notes

Flush hydraulic lines before fitting new components. Use only manufacturer-specified hydraulic fluid. Check O-rings and backup rings for correct orientation. Bleed air from system after installation.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeRelief Valve
MaterialSteel
ApplicationHydraulic system pressure regulation
Service LifeReplace as needed based on inspection
CompatibilityVolvo specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A malfunctioning relief valve may initially cause inconsistent hydraulic system performance, such as slow boom or bucket movements. If the valve fails to regulate pressure correctly, components can experience premature wear due to excessive stress. In severe cases, uncontrolled pressure spikes could lead to hydraulic hose bursts or component failure.

Installation Tip

Ensure the hydraulic system is properly depressurized before attempting removal to avoid injury and fluid loss. Do not overtighten the relief valve during installation, as this can damage the valve seat or housing.

Service Note

Check the hydraulic fluid level and condition, and inspect the hydraulic filter for debris when replacing the relief valve.