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Jd 1770 vac planter on 7140 magnum won't lift or lower!
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Jon
Posted 4/6/2025 20:42 (#11178742 - in reply to #11178315)
Subject: RE: Jd 1770 vac planter on 7140 magnum won't lift or lower!



Callao Missouri
The folks wanting you to use a jd flow control valve are giving you bad advice.

You need to pop your wheels off on the right side, get in there and get your flow control cable working properly. Use the flow control on the 7140 tractor valve to control oil flow to vacuum motors. Doing it this way will allow proper operation of the pfc hydraulic system on the tractor and give flow to remotes 2, and 3.


I will quick edit, the only reason to use factory flow valve, is on jd constant pressure systems from the 3010-4960 . Or balance flow if its off greatly. Using them on any brand machine with a pfc hydraulic system is going to cause poor performance and extreme heat.

Edited by Jon 4/6/2025 20:45
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