This is a 12V hydraulic proportional solenoid valve that precisely controls hydraulic fluid flow and pressure in Volvo excavators. It is built to OEM standards, offering reliable and accurate actuation superior to worn or malfunctioning valves. Operators may observe erratic or inconsistent hydraulic functions, such as jerky boom movements or improper bucket curl, when this valve is failing.
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.
Early symptoms include a slight delay in hydraulic response or minor inconsistencies in function speed. If left unaddressed, the valve can cause increasingly erratic hydraulic movements, leading to reduced operational efficiency and potential damage to other hydraulic components due to pressure fluctuations. In severe cases, critical functions may become unresponsive.
Ensure the hydraulic system is properly depressurized before disconnecting the old valve to prevent fluid loss and potential injury. Always use clean hydraulic fluid and ensure all connections are securely tightened to prevent leaks.
Inspect the hydraulic fluid for contamination and consider replacing the hydraulic filter when replacing the solenoid valve.