This is a boom cylinder seal kit designed to replace worn seals within the hydraulic cylinder assembly of Volvo excavators. It is essential for maintaining hydraulic pressure and preventing fluid leakage, ensuring the smooth and controlled operation of the boom. Observable symptoms of failing seals include slow or jerky boom movements, external hydraulic fluid leaks, and a loss of lifting capacity.
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.
The initial indication of a failing boom cylinder seal kit is often a visible hydraulic fluid leak from the cylinder rod. If ignored, the cylinder will gradually lose its ability to hold pressure, leading to slower and less responsive boom movements. Prolonged operation with compromised seals can result in internal bypassing and potential damage to the cylinder bore.
Carefully inspect the cylinder rod for any scratches or imperfections before installing new seals, as these can cause premature failure. Ensure all seals are correctly oriented and lubricated with clean hydraulic fluid to prevent damage during installation.
Inspect the boom cylinder rod for wear or damage, and clean the hydraulic fluid reservoir and filter when replacing the boom cylinder seal kit.