This is a Boom Cylinder Seal Kit designed to maintain the hydraulic integrity of the boom cylinder system in Volvo excavators. It is constructed from high-quality materials to prevent internal and external fluid leakage, ensuring consistent boom movement and lifting capacity, unlike worn seals that allow fluid bypass and reduced cylinder performance. Operators may notice slow boom operation, a loss of lifting power, or visible hydraulic fluid leaks around the boom cylinder when these seals begin to fail.
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.
A failing boom cylinder seal kit may initially present as a slight delay in boom movement or minor external fluid drips. If left unaddressed, the leakage will worsen, leading to a significant loss of hydraulic pressure and reduced lifting capacity. Continued operation risks damage to the hydraulic system and can impact machine productivity.
Ensure the cylinder rod surface is free of any scratches or debris before installing the new seals, as even minor imperfections can cause leaks. Do not force the seals into place; use appropriate tools to seat them evenly.
When replacing boom cylinder seals, it is recommended to inspect the condition of the hydraulic fluid and filter for any signs of contamination.