This adjust cylinder seal kit is designed to restore the sealing integrity of the hydraulic adjust cylinder in Volvo excavators, preventing fluid leaks and maintaining proper system pressure. Manufactured with high-grade materials, it provides superior resistance to wear and hydraulic fluid degradation compared to worn seals. Operators may observe a slow-moving or drifting boom, bucket, or arm, accompanied by visible hydraulic fluid leaks around the adjust cylinder when this kit is needed.
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 indication of failing adjust cylinder seals is often a slow response in the excavator's hydraulic functions or noticeable drift in the boom, arm, or bucket. If left unaddressed, the leakage will worsen, leading to reduced hydraulic power and potentially compromising the machine's operational stability. Continued operation with leaking seals can cause internal damage to the cylinder and hydraulic pump.
Carefully clean the cylinder bore and piston rod, removing all traces of old seal material and contaminants. Ensure all new seals are properly lubricated with system-compatible hydraulic fluid before insertion to prevent damage.
Inspect the hydraulic fluid for contamination and check the condition of the hydraulic pump and hoses when replacing adjust cylinder seals.