This seal kit is designed to replace worn or damaged seals within the adjust cylinder of Volvo excavators, ensuring proper hydraulic system function. It is manufactured to meet stringent OEM quality standards, providing a reliable seal that prevents fluid leakage and maintains optimal pressure, unlike degraded seals that allow contamination ingress. Operators may notice slow or jerky boom/stick movements, or a loss of hydraulic holding power when the adjust cylinder 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.
Initial signs of adjust cylinder seal failure include a slight drift or slow movement of the boom or stick when not actively controlled. If ignored, the cylinder may lose its ability to hold position under load, leading to uncontrolled equipment movement. Continued operation with failed seals risks internal cylinder damage and hydraulic system contamination.
Ensure the cylinder bore and rod are meticulously cleaned before installing new seals to prevent damage. Avoid using sharp tools when seating the seals, as this can easily cause nicks or tears.
Inspect the hydraulic fluid for contamination and consider replacing the hydraulic filter when servicing the adjust cylinder seals.