This is a control valve seal kit designed to maintain hydraulic system integrity and prevent fluid leakage. It is manufactured to meet stringent Volvo material and dimensional standards, ensuring superior sealing performance compared to worn or damaged seals. Operators may notice sluggish hydraulic functions, external fluid leaks around the control valve, or a loss of system pressure when these seals begin to fail.
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.
Initial signs of failure include a slight increase in hydraulic fluid temperature or minor external leaks around the control valve housing. If ignored, the leaks will worsen, leading to a noticeable loss of hydraulic power and responsiveness. Continued operation with leaking seals can result in significant hydraulic fluid loss and potential damage to other hydraulic components.
Ensure all sealing surfaces on the valve spools and bores are meticulously cleaned and free of any debris or burrs before installation. Avoid using sharp tools to pry or force seals into place, as this can easily cause nicks or tears.
Inspect the hydraulic control valve spools and bores for wear or scoring, and check the hydraulic fluid level and condition.