This is a Boom Cylinder Seal Kit designed to maintain hydraulic system integrity within Volvo excavators. It utilizes high-grade NBR rubber and durable metal components to prevent internal and external fluid leakage, ensuring optimal cylinder performance compared to worn seals. Operators may notice a loss of boom control, slow or jerky boom movement, or visible hydraulic fluid leaks around the boom cylinder when seals 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 failure include a slight sluggishness in boom operation or minor external fluid seepage. If ignored, the leakage will worsen, leading to a noticeable loss of lifting power and potentially erratic boom movements. Continued operation with severely degraded seals can result in significant hydraulic system contamination and reduced operational efficiency.
Ensure the cylinder rod is thoroughly cleaned and free of any debris before installing new seals to prevent damage. Avoid using sharp tools that could nick or cut the seals during insertion.
Inspect the cylinder rod for any scoring or damage, and check the hydraulic fluid for contamination during seal replacement.