690 ELC Hydraulic problems. Loses hydraulic pressure when changing modes or engine speed. Will take up to two minutes to regain pressure. Sometimes just very slow. Have checked electrical connections, Fuses. OK. Changed hyd. oil. Have done self diagnostics and set engine speed correctly. No change. Sometimes will be working and it just shuts down to a lower than normal idle and no function. Let it set for a few minutes and engine speed will return along with function. Can anyone help.
JD 690 ELC Hydraulic issues.
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