This is a hydraulic cylinder seal kit designed to maintain system pressure and prevent fluid leakage within the boom cylinder of Volvo wheel excavators. It is manufactured to meet stringent OEM quality standards, ensuring superior sealing performance compared to worn or damaged seals that allow hydraulic fluid to escape. Operators may notice a loss of lifting power, slow or jerky boom movement, or visible hydraulic fluid leaks around the cylinder rod 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.
Initial signs of failure include a noticeable decrease in the boom's lifting capacity or slower, less responsive movement. If ignored, the leaks will worsen, leading to increased hydraulic system temperature and potential cavitation. Continued operation with failing seals risks damage to other hydraulic components due to contamination and pressure loss.
Ensure the cylinder rod and bore are thoroughly cleaned before installing new seals to prevent damage. Avoid using sharp tools that could nick or scratch the seal lips during insertion.
Inspect the hydraulic fluid for contamination and consider replacing the hydraulic filter when servicing the boom cylinder seals.