Re: SMTA Whine

Posted by Janicholson on November 01, 2006 at 16:24:57 from (66.173.50.168):

In Reply to: SMTA Whine posted by Retcol on November 01, 2006 at 15:19:22:

From my experience, Many SMTAs, 00, and 50 series IH/Farmall tractors whine from the hydraulic pumps to one degree or another. If it is radical, and the pump/fluid gets hot as blazes very quickly, then a control valve may be stuck, or a steering diverter may be set at too high a bypass pressure. If it is not causing heating, and it is responding well with good lift and operation, it may be just noisy. Wear in the pump can make noise, as can air leaking into the suction side. If the hytran looks clean, and it seems good, I would probably live with it. The others here would have you flow rate it, so would I if it is possible, if the symptoms get worse. JimN

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