This is a Main Relief Valve designed to regulate hydraulic system pressure, preventing over-pressurization and protecting components. It ensures optimal performance by maintaining the correct operating pressure, unlike a worn valve which can lead to erratic hydraulic functions. Operators may notice a loss of hydraulic power, slow or jerky implement movement, or unexpected system shutdowns when this valve begins to fail.
Always verify with serial number before ordering.
Parts Trading Company · Mumbai, Est. 1956 · Same-day dispatch · Ships worldwide · GST invoice included
From the same category — may also be needed
Full shipping information on regional pages · Air freight 2–12 days · GST invoice for India
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 main relief valve may initially cause a slight decrease in hydraulic system responsiveness. If left unaddressed, this can progress to inconsistent operation of hydraulic functions and potential overheating of the hydraulic fluid. Continued operation with a faulty relief valve risks damage to pumps and actuators due to uncontrolled pressure spikes.
Ensure the hydraulic system is properly depressurized before removal to prevent injury and fluid loss. Avoid overtightening the valve body, as this can distort the sealing surfaces and cause leaks.
Inspect the hydraulic filter and fluid for signs of contamination or degradation when replacing the main relief valve.