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| Yes, that’s it. There are different size orifices to get different flow rates. I think you could also remove the orifice completely and adjust with the flow control on your scv. Here is the factory manual. It explains it all.
https://3609571.app.netsuite.com/core/media/media.nl?id=50464&c=3609...
I will add that we got tired of having to fiddle with the flow controls on the scv on our 4640 and ended up installing a pressure/flow compensation valve on ours and we run it off the power beyond. It works much nicer and doesn’t fluctuate as much with oil temperature. You should be able to make it work with what you have though. | |
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John Deere 4640 brand quick fold 80 pt sprayer hydraulic pump issues
