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Using a power steering pump for hydraulics?

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Are there any problems with using a power steering pump /w integral reservoir for operating hydraulic attachments (projects)? Too much/too little pressure? Capacity too small?

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I assume that the rotation should be the same as it was in the Auto. I have a PS unit out of a 78 Malibu. Has anyone adapted a PS unit to a 7000 series tractor? If so I would very much be interested in how they did it; especially the piston size. Does anyone know where I might find a print and/or a parts list for making this possible?

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Depending on the unit that you are driving with the power steering pump, you may need to attach an external reservoir. If the fluid volume is too small, the fluid will get hot and start foaming, causing a high pitched squeel and damaging the pump. The reservoir must be significantly larger than the fluid used by the cylinder or motor, to allow the foam to settle out so the pump is always pumping pure liquid.

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