This is a 24V solenoid valve specifically designed to control the hydraulic cooling fan on Volvo excavators. It acts as an electrical switch, directing hydraulic fluid flow to engage or disengage the fan based on system temperature requirements, meeting OEM performance specifications for reliable operation. Operators may notice the cooling fan running constantly, not running at all when needed, or the engine temperature rising excessively if this solenoid valve is malfunctioning.
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 malfunctioning solenoid valve may cause the cooling fan to either run continuously or fail to engage when the engine is hot. If the fan does not run, the engine temperature will rise rapidly, potentially leading to overheating and reduced engine performance. If the fan runs constantly, it can lead to unnecessary hydraulic load and increased fuel consumption.
Ensure the electrical connector is clean and securely attached, as a poor connection can prevent the valve from receiving the signal to operate. Depressurize the hydraulic circuit before disconnecting hydraulic lines to the fan motor.
Check the hydraulic fluid level and condition, and inspect the cooling fan blades for damage or obstructions when replacing the solenoid valve.