JD 4640 SCV Issue

Johnb730D

Member
When I try to hook up implement hoses to my 4640, it will only let me lock in one hose. I cannot move the other lever all the way forward to lock it in and complete the circuit. I can push both hoses all the way in, but it will only let me lock in one of them. I ve moved the hydraulic levers back and forth in the cab to relieve pressure and also, the implement hoses don t have pressure. If it makes any difference, the hoses have adaptors on them to convert to ISO. I ve tried hooking up hoses to two sets of remotes and have the same problem. Any idea what the problem could be?
 
Some times couples don't flow, or hook up right,have you trued different hoses or implements on those valves in question??
 

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