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jd 1830 hydraulic pump (illustration)
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Posted 2/6/2019 10:08 (#7300887)
Subject: jd 1830 hydraulic pump (illustration)

I put on a new hydraulic pump( because the old one was only getting 1500psi). Upon starting the tractor for the first time, I had no hydraulic pressure, 0psi. I loosened the cap, #21, and the valve #25 must-ve opened cuz I immediately got my 2500psi. I tightened #21 and afterwhile I lost pressure. I believe that valve is supposed to open to supply oil to pump. I was going to take the control valve assembly off and look for bad o-rings. What else could be going on?

(18301 (full).JPG)

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Attachments 18301 (full).JPG (56KB - 11 downloads)
Attachments 18032 (full).JPG (79KB - 7 downloads)
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