Freind has a 4320 with hydraulic issues. He says his steering is very hard, no brakes and pto wont engage. Could the hydraulic pump be getting tired? Do these pumps have a destroking valve? I was thinking about sticking a pressure gauge in the scv and see how much pressure we were getting back there. Does anybody know how much pressure i should have out of the scv? Any other ideas? thanks!
- Thread starter fordfx413
- Start date
Tx Jim
Well-known Member
- Location
- Coyote Flats, Texas
Yes frt hyd pump could have a de-stroking screw. Stand-by pressure should be 2250 psi. How long since hyd filter was changed & sump screen checked/cleaned? Many frt hyd pumps have been replaced to find out the frt pump was fine.
buickanddeere
Well-known Member
Parts book is here.
jdpc.deere.com/jdpc/servlet/com.deere.u90490.partscatalog.view.servlets.HomePageServlet_Alt
The nice folks at 1-800-522-7448 have the real JD service and parts manuals on CD or hard copy.
Don't waste your time and money on the IT manual.
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