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Morris, IL | Do you have a manual flow control valve in the system? The needle valve that JD uses when powering vacuum with power beyond outlet? If so try removing it, just because it's all the way open doesn't mean it's not limiting flow, there is an orifice in it. If you need to use that valve you can change orifice to a larger orifice. Does the planter have a jumper line on top of vacuum motor? I can get 25" on our 12 row 7200 with one vacuum motor, and that is a 20 year old planter. | |
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max vac pressure on jd
