This is a Boom Cylinder Seal Kit designed to maintain hydraulic system integrity for Volvo excavators. It utilizes high-grade NBR rubber and hardened steel components to ensure a superior seal compared to worn or damaged original seals. Operators may notice hydraulic fluid leaks around the boom cylinder, sluggish boom movement, or a loss of lifting power 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.
The first sign of failure is typically visible hydraulic fluid leakage from the boom cylinder rod seal. If ignored, this leakage will increase, leading to a gradual loss of hydraulic pressure and slower, less responsive boom functions. Continued operation with a failing seal kit can result in insufficient hydraulic power for lifting heavy loads.
Thoroughly clean the cylinder bore and rod before installation to prevent damaging the new seals. Ensure all seal lips are properly oriented and lubricated before insertion to avoid tearing.
Inspect the cylinder rod for any scoring or damage that could compromise the new seals' performance.