Jan 30, 2009 · A kinked line, bad relief valve, overload from oversized tires or too much weight on front axle could do this. .... Reply to | Quote Post ...

Sep 22, 2015 · The PS will make sort of a high whine when steering. The system pressure relief valve also makes a high whine valve or screech. To identify the ...

Oct 19, 2005 · I have a slight leak in the backhoe control valve.Have cleaned and watched for where the drip is coming from but can only narrow it down to ...

Feb 23, 2016 · The loader control valve(s) and one side of the 3-point lift shaft seem to be leaking some hydraulic oil and I need to add hydraulic oiI ...

Jul 20, 2002 · Before I bought my tractor (NH TC30), I told one of the dealers that the John Deere and Kubota both had enough down-force on the loader to ...

Aug 5, 2001 · Attention all 4700 HST owners: Reverse pressure relief valves have weak springs. Valves open at 2000 psi instead of 6000 psi.

Jul 26, 2004 · Matt, there is usually a second relief valve in the loader control valve ... tractor down and work the valve both ... JD FOS-hydraulics manual is ...

Oct 26, 2002 · I'd also listen for a relief valve sound. Many systems are plumbed with the loader valve before the 3ph. In such a hook up, the 3ph won't lift ...

Jan 31, 2016 · If you have some debris sticking the pressure relief valve open, a broken spring, a faulty quick-disconnect (QD) fitting, or even a bad remote ...

Dec 22, 2000 · Suspect either the relief valve circuit, or excessive clearance in the power steering box, or a hydraulic pump with excessive clearance. The ...