2355n hydrolics

luapp

Member
sorry for poor typeing got a 2355n when cold and first start it 3pt works ok but shutters a little. after about 5 min gets worse and sounds like the pump is surging. where should i look first and check i made it a little over full of oil no difference. when srarted oil level on trans dip stick goes down tractor is new to me changed oil filter and checked trans screen and one in pump. flow divider maybe if so where is it exlactly and how and what to check thanks
 
Sounds as if front pump is starving for oil. With 3pt raised/engine running look inside hyd oil filler hole for spraying oil. Does tractor have ind pto &/or hyd hi-lo? If so the supply tubes to either hyd option have a history of leaking which could cause your tractors hyd problem. I doubt the pressure control valve(flow divider) will be the problem but it's located on RH side of trans case by the hyd filter.
 
My 2020 that I am working on has the same problem. 3 pt raises
slow and jerky. I put pressure gauge in line going to ps. It read
2300 psi while idling or when I revved it up. As soon as I raised the
3pt, the pressure dropped to 300 psi. I looked in the fill hole but
couldn't see any oil spraying. PS goes away when the 3 pt raises
also. Filter screen is clean and new filter. Am I looking at the same
lines leaking? It has ind pto and hi/low on it.
 

Another place to check is for a stuck/faulty hyd filter relief valve. Also check hyd 's with pto in both the on & off positions and hi-lo in both speeds if equipped.
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