This is a 24V solenoid valve designed to control the flow of hydraulic fluid to the cooling fan system on Volvo excavators. It ensures the fan operates only when needed, optimizing engine temperature and fuel efficiency. Manufactured to meet Volvo's rigorous standards, this valve offers reliable actuation and a long service life, unlike a worn solenoid that may stick open or closed. Operators might observe the engine overheating or the fan running constantly, even when the engine is cool, if this solenoid fails.
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.
A failing solenoid valve may cause the hydraulic cooling fan to either not engage when needed or to run continuously. If the fan fails to engage, the engine can quickly overheat, leading to reduced performance and potential engine damage. If the fan runs constantly, it can lead to unnecessary fuel consumption and wear on the fan drive system.
Before disconnecting the hydraulic lines, ensure the system pressure is relieved to prevent injury and fluid loss. When reconnecting, ensure the electrical connector is clean and securely fastened to prevent intermittent operation.
When replacing the cooling fan solenoid valve, inspect the hydraulic fan motor and drive lines for any signs of leaks or damage.