This is a comprehensive bucket cylinder seal kit, containing all necessary seals and O-rings to rebuild a Volvo excavator's bucket hydraulic cylinder. It is manufactured from high-grade, wear-resistant materials to ensure proper sealing and prevent hydraulic fluid leakage under high pressure. Operators will typically notice hydraulic fluid leaking externally around the cylinder rod, or a loss of cylinder holding power when this seal kit fails.
Always verify with serial number before ordering.
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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.
The most common symptom of a failed seal kit is visible hydraulic fluid leaking from the bucket cylinder rod or around the cylinder barrel. This leakage will worsen over time, leading to a gradual loss of cylinder force and holding capability. If left unaddressed, significant fluid loss can deplete the hydraulic system's reservoir and potentially cause damage to the hydraulic pump.
Carefully inspect the cylinder rod for any nicks or scoring that could damage the new seals before installation. Ensure all old seal material is completely removed from the cylinder grooves.
Inspect the cylinder barrel and rod for any signs of wear, pitting, or damage that might compromise the new seals' effectiveness.