VolvoHydraulic Parts

ZJYXLB00070 — For Volvo Excavator Ec300D Adjust Cylinder Seal Kit

This is an adjust cylinder seal kit designed to replace worn or damaged seals within the adjust cylinder of Volvo excavators. It restores the cylinder's ability to hold pressure and maintain proper function, preventing hydraulic fluid leaks. A leaking adjust cylinder can lead to imprecise boom or arm movements, or a loss of hydraulic holding power.

For Volvo Excavator Ec300D Adjust Cylinder Seal Kit – Part No ZJYXLB00070 – 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 TypeSeal Kit
MaterialNBR rubber and durable sealing compounds
ApplicationAdjust cylinder
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of failing adjust cylinder seals is often visible hydraulic fluid leakage around the cylinder rod. If left unaddressed, this leakage will worsen, leading to a gradual loss of hydraulic pressure and control over the equipment's movement. Eventually, the adjust cylinder may fail to hold its position, compromising operational safety and efficiency.

Installation Tip

Thoroughly clean all internal surfaces of the cylinder bore and piston before installing the new seals to prevent damage. Ensure all seals are properly seated and lubricated before reassembly to avoid tearing.

Service Note

Inspect the cylinder rod for scoring or damage that could compromise the new seals' effectiveness.