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Case Tractors Discussion Forum

case 1070 hydrulic valve question

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russ turner

09-18-2009 07:11:39

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My 1070 hydro valve has had failure of the thermal valves, pt. no. A 13794. They are plastic and the stem bends causing loss of presure. Is there any alternative to these plastic valves. Thank You RT

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09-18-2009 17:07:54

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 Re: case 1070 hydrulic valve question in reply to russ turner, 09-18-2009 07:11:39  
Not that I am aware of, the thermals warp because of extreme heat such as when the linkage is tight and doesn"t return keeping the system on high pressure for extended periods of times. They last for years otherwise. I would recommend just replacing them and take steps to keep the levers centering properly. You will not have a problem with them then. I have replaced lots of them and extreme heat is all that can cause it. mEl

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russ turner

09-18-2009 19:52:59

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 Re: case 1070 hydrulic valve question in reply to mEl, 09-18-2009 17:07:54  
Thank you mEL. We pull a swather cutting heavey crops in hot weather and the trans temp does get up there as there is no trans oil cooler. RT

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Agri King

09-18-2009 22:26:06

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 Re: case 1070 hydrulic valve question in reply to russ turner, 09-18-2009 19:52:59  
Why is there no Hyd. oil cooler?

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