Posted by JDseller on July 02, 2011 at 20:50:03 from (208.126.196.144):
In Reply to: 4020 hydrolics posted by randy kunkel on July 02, 2011 at 18:24:14:
An internal high pressure leak can make the oil be foamy too. It is not uncommon for a power shift to develop these type of leaks.
Take a sample of the foamy oil and put it in a glass jar. Put the jar into a pan of boiling water. When the oil is heated up and becomes clear the air/water/oil will separate. You can look through the jar and see what you have after it has cooled down. If it is all oil then you have an internal leak. If you have some water in the bottom of the jar then you still have not gotten the system cleaned out.
If it is an internal leak run the tractor and check for things heating up. Steering valve, SCV value, three point lift cylinder, brake valve and etc. I have an infer red thermometer that works well for this.
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Today's Featured Article - Fasteners: The Nuts and Bolts of Nuts and Bolts - by Curtis Von Fange. The nuts and bolts of nuts and bolts is an interesting and essential piece of knowledge that applies to our older tractors. An improperly torqued capscrew on an engine head or a shear bolt that is too hard on the driving shaft of a bushog can create havoc and make an expensive and uncalled for repair. Let�s examine the purpose and design of these fasteners in order to ensure their proper use. Fasteners are probably one of the aspects of mechanics that is given the least amount of thought.
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