This is a hydraulic cylinder seal kit designed to replace worn or damaged seals within the bucket cylinder assembly of Volvo excavators. It ensures the integrity of the hydraulic system by preventing fluid leaks and maintaining optimal operating pressure. A failed seal kit will manifest as external fluid leaks around the cylinder rod, sluggish or jerky boom/bucket movements, and a noticeable drop in hydraulic system performance.
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.
External hydraulic fluid leakage around the bucket cylinder rod is the first sign of a failing seal kit. If ignored, the leakage will increase, leading to a gradual loss of lifting power and slower cylinder actuation. Continued operation with a compromised seal kit can result in significant hydraulic system contamination and potential damage to other components.
Ensure the cylinder bore and rod are meticulously clean before assembly to prevent damage to the new seals. Avoid using sharp tools that could nick or scratch the delicate sealing surfaces during installation.
Inspect the cylinder rod for any scoring or pitting, and clean the cylinder bore thoroughly before installing the new seal kit.