Re: david brown hydraulics

Posted by J. Schwiebert on December 27, 2004 at 17:55:48 from (216.201.29.102):

In Reply to: david brown hydraulics posted by allenmichael on December 27, 2004 at 15:45:26:

First of all this is just fundamental hydraulics, not David Brown. The groan sounds to me like the noise that is made with pump caviation, In other words your hydraulic oil is too thick for the weather and the pump calls for more fluid than what actually gets in the pump. The dip stick blowing off. Somewhere your hydraulic reservoir has to have a vent which normally has a breather with a filter element. If it is plugged or froze from moisture (snow?) air has to get out, so the path of least resistance for the unit was the pressure poped the dip stick off. I have seen this several times on another brand. Warm weather everything weas fine, Zero weather it was not fine. Moisture in hydraulic oil will have a milky appearance. Do you have David Brown Operators manual? Questions?

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