This is a solenoid valve that controls the flow of hydraulic fluid within specific circuits of Volvo excavators. It acts as an electrically operated switch, directing hydraulic power to the appropriate actuators based on signals from the machine's control system. A failing solenoid valve may cause erratic operation of hydraulic functions or complete failure of a particular circuit, often accompanied by a lack of response to control inputs.
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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 common symptom of a failing solenoid valve is a specific hydraulic function becoming unresponsive or operating erratically. If the electrical signal is intermittent, the function may work sporadically. If the valve fails completely, the associated hydraulic function will cease to operate, impacting the machine's overall productivity.
Always disconnect the battery before removing or installing electrical components like solenoid valves to prevent short circuits. Ensure the electrical connector is clean and securely seated after installation.
Inspect the hydraulic fluid and filter condition, and check the electrical wiring and connectors for the affected circuit when replacing a solenoid valve.