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Old 09-28-2017   #11
1st Yr. Apprentice
jasowiii's Avatar
Join Date: Jan 2014
Location: HomeTown USA
Equipment: Kubota L35
Posts: 33
Default Re: M4000 pump and FEL

Next problem, the Greson valve no worky!
My guess is that the fluid is just flowing through the valve and not resulting in pressure to the cylinders. It had a gizmo on the outlet (I'll call it a regulator) that we removed cuz it was damaged. My assumption is that this device creates a differential pressure rather than dumping the fluid back to the resivour.

This regulator seams hoky.

Any advise on the correct way to plumb this thing?
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Old 09-28-2017   #12

3rd Yr. Apprentice
007kubotaguy's Avatar
Join Date: Dec 2012
Location: Herald Calif.
Equipment: B7100DT L245DT JD 2355
Posts: 274
Default Re: M4000 pump and FEL

The hose closest to the Tractor should be the pressure in to the valve. The outside hose would be return. Are you sure you have pressure to the valve. You could make a simple gauge set up to check pressure at the remote couplers. Just use a Male pioneer tip and put a 3000 PSI gauge on it. Plug it in to the Cupler and read your pressure. You may also want to get rid of the galvanized fittings. They don't do well under pressure. Good luck Lance
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fel, hydraulic, loader, m4000, pump

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