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| Sprayer will only make about 20 psi of dead head solution pressure. Found that if I move steering wheel or activate any boom hydraulic function, the pump pressure will instantly jump to around 100 psi. Im pretty sure that means that im not getting signal pressure from my solution pump motor back to the main hydraulic pump. Im assuming either blown o-ring or obstruction in the line. Maybe an O ring in a valve body seems more likely. Any help on helping me locate where to start looking. I dont like blindly tearing into hydraulic valves. | |
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JD 4720 Sprayer/No load sense from solution pump hyd motor
