This is an Arm Cylinder Seal Kit designed to replace worn or damaged seals within the hydraulic arm cylinder of a Volvo excavator. It is crucial for maintaining hydraulic pressure and preventing fluid leakage, ensuring the smooth and powerful operation of the boom and bucket functions. A compromised seal kit will result in slow or jerky arm movements, external hydraulic fluid leaks, and a loss of lifting capacity.
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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 a failing arm cylinder seal kit is typically a visible hydraulic fluid leak from the cylinder rod or seals. This can lead to slow or weak arm movements, and the arm may drift down when not actively being operated. If left unaddressed, the leaks will worsen, potentially causing the cylinder to lose its ability to hold position, impacting operational safety and efficiency.
Thoroughly clean the cylinder bore and piston rod before installing the new seals to prevent damage and ensure a proper seal. Avoid using excessive force or sharp objects when installing the seals, as this can easily damage them.
When replacing the arm cylinder seal kit, inspect the cylinder rod for any scoring or damage and check the hydraulic fluid for contamination.