RDrancher
Veteran Member
A Pilot Valve locks the cylinder and is only as accurate as the seals in the cylinder. It eliminates drift caused by a leaky valve. I'll go out on a limb here and say 90% of drift is caused by a leaky valve. Rarely is it caused by a leaky cylinder. So the valve is an asset 90% of the time if you are experiencing drift.
Our Backhoe has them on the stabilizer pad cylinders. Couple days ago I broke a hose on the Pressure side of the valve with the pad down and the rear wheels of the hoe off the ground. It stayed in position. I repaired the hose and then was able to lift the pad and lower the tire to the ground.
Thanks Richard. I've heard different terms used for the valve from both Blue Diamond and Edge. A pilot valve is what I want. I'll have to check it out more.