pressure valve question

/ pressure valve question #1  

ihatemels

New member
Joined
Aug 25, 2008
Messages
3
MF 283...i dont know the year...(hydraulic pressure valve)has the forward position for front like front end loader, middle for 3 point hitch, and back for rear hydros like disk or wutever.....my question is it OK to switch the valve while the engine is running?? when i go to switch it with engine running u can hear something knocking, like the pressure trying to switch over, and the valve is a little hard to switch, while engine running.....would appreciate any answers thanks..
 

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