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Case Tractors Discussion Forum
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Case 530- 540

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Robert Baird

05-02-2007 19:09:44




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HI I have a 530 or 540 it is the gas engine. I have no serial number for tractor so not exactly sure what it is. The oil pressure has been falling off.
It is down below 15. The tractor was originally lp and was converted to gas at some point.I think it is an oil pump problem. Acording to the book the oil pump is a little trick to remove and install. Is that correct?? Any pointers?? thanks Rob Baird

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Dennis/Ohio

05-07-2007 04:29:22




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 Re: Case 530- 540 in reply to Robert Baird, 05-02-2007 19:09:44  
I can"t find the info right now but early 159G engines had a max oil pressure of approx. 24 psi ans later egines were 32 psi max. Thats at full governor speed & hot oil. I can keep looking if you ask me to.



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Robert Baird

05-07-2007 15:02:00




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 Re: Case 530- 540 in reply to Dennis/Ohio, 05-07-2007 04:29:22  
HI That is good for now. I have pan off screen is plugged. Not sure what shape pump and regulator is in. Found metal pieces in pan numerous. Have not had time to try to identify them yet as for where they may be from. Also about an inch of grease in bottom of pan. thanks



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Tom (Ks)

05-04-2007 18:13:23




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 Re: Case 530- 540 in reply to Robert Baird, 05-02-2007 19:09:44  
Not that bad of a deal. Drop the pan and so forth. There are shims between the oil pump and main bearing. Oil pressure is to be from 24 to 32 psi. Take a look at the relief valve.



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Robert Baird

05-05-2007 04:26:31




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 Re: Case 530- 540 in reply to Tom (Ks), 05-04-2007 18:13:23  
HI thank you I will check that out. I have to drop the front axle support yet to get the pan out. I did get it loose



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