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West Central MN | It should work. You have way to much flow going to vacs
First thing. Open the JD vacuum valves all the way. Only close some if you need to balance the vacuum left to right. So one or both valves will always be open.
Second make sure your flow control cable in the cab works. Sometimes you have to remove the oring packing on the top of the valve. Unscrew the complete stem assembly. Clean the spool and replace the oring. Don’t tighten the brass packing nut too much. Works better to put some locktite on it. | |
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Jd 1770 vac planter on 7140 magnum won't lift or lower!
