This seal kit is specifically designed for the arm cylinder of Volvo excavators, providing essential seals to prevent hydraulic fluid leakage and maintain cylinder operational integrity. Manufactured to high standards, it offers durable sealing performance, unlike worn seals that become brittle and crack, leading to system inefficiency. Operators might notice hydraulic fluid seeping from the arm cylinder rod, or a slow drift of the arm when it is held in position, indicating the need for this seal kit.
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 symptom of failing arm cylinder seals is typically visible hydraulic fluid leakage around the cylinder rod or at the cylinder's end cap. If left unaddressed, this leakage will worsen, leading to a loss of hydraulic pressure and potentially causing the arm to drift or sag when not actively being operated. Continued operation with leaking seals can lead to contamination of the hydraulic system and accelerated wear on cylinder components.
Ensure the cylinder rod is clean and free of any burrs or scratches before installing the new seals to prevent them from being damaged. Avoid using sharp tools that could cut or gouge the seals during insertion.
When replacing arm cylinder seals, it is advisable to inspect the cylinder barrel for scoring and the hydraulic fluid for contamination.