I have a GPS grade control setup from a tile plow (controller and single function proportional valve) that I would like to plumb into a 750c Series II for blade height only on the dozer itself. In searching the web I am unable to find documentation on how the Trimble SiteVision (or other) system is plumbed into the existing circuit for hydraulic supply and cylinder flow. It appears the auxiliary Power Beyond circuit built into the unloading valve could be used as the source. I assume the cylinder flow can be teed into the existing cylinder lines. The post below depicts how this can be done for an auxiliary circuit independent of the blade functions. I’m looking for details on how to best do this for blade control without negatively impacting the load sensing for the existing blade height valve. Thanks! HeavyEquipmentForums
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