This is a Boom Cylinder Seal Kit designed to maintain the hydraulic integrity of the boom cylinder system in Volvo excavators. It is manufactured with robust materials to prevent internal and external fluid leakage, ensuring smooth and precise boom operation, unlike worn seals that allow fluid bypass and reduced cylinder responsiveness. Operators may experience slow boom raising or lowering, a loss of lifting capacity, or visible hydraulic fluid leaks around the boom cylinder when these seals begin to deteriorate.
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.
Early signs of a failing boom cylinder seal kit include a slight hesitation when raising or lowering the boom, or minor fluid seepage. If ignored, the leakage will increase, resulting in a noticeable loss of hydraulic pressure and reduced boom control. Continued operation risks damage to the hydraulic system and potential operational interruptions.
Before installing, ensure the cylinder rod is perfectly clean and free of any debris that could compromise the new seals. Use a proper seal driver tool to avoid damaging the delicate sealing lips during insertion.
Inspect the boom pivot pins and bushings for wear and proper lubrication when replacing the boom cylinder seals.