This is a hydraulic cylinder seal kit designed to restore the sealing integrity of hydraulic cylinders within CAT equipment. It is manufactured to meet stringent OEM quality standards, ensuring superior performance and durability compared to worn or damaged seals that can lead to leaks and reduced system efficiency. Operators may notice a loss of hydraulic power, slow or jerky cylinder movement, or visible fluid leaks when this seal kit fails.
Always verify with serial number before ordering.
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Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.
Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.
Initial signs of failure include a slight loss of hydraulic pressure or slow cylinder response. If ignored, the leaks will worsen, leading to reduced lifting or pushing force and potential system overheating. Continued operation with failing seals can cause significant damage to cylinder components and hydraulic pumps.
Thoroughly clean the cylinder bore and piston rod before installation to prevent debris from damaging new seals. Ensure all seals are properly oriented and seated before reassembling the cylinder.
Inspect the cylinder bore and rod for any scoring or damage that could compromise the new seals' effectiveness.