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Oil Pressure Model B

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Alistair Symes

11-16-2000 13:16:40




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I,ve lost oil pressure all of a sudden. I bought this 'average' model "B". The oil filter had been removed and bypassed. I have removed the sump and blown thru the lines that I can see. Do I have to split the tractor??




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Fred

11-17-2000 14:47:41




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 Re: Oil Pressure Model B in reply to Alistair Symes, 11-16-2000 13:16:40  
I'm not sure on a B, but on my C the oil pump has a feed line in the filter. When I changed the oil filter I unknowingly through the feed line away with the oil filter.The day before I had oil pressure, after changing filter I had no oil prrssure. Once I figured out what I had done I make a 1/4 in feed line and presto I had oil pressure.



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jack

08-26-2003 07:07:04




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 Re: Re: Oil Pressure Model B in reply to Fred, 11-17-2000 14:47:41  

I've just bought a b that looks like it can use an improvement in oil pressure. I don't know if the tractor has a "feed line" in the filter and I'm not in the same state with the tractor so I cant run into the barn to look.

Where is this "feed line" installed? What is the material?

thanks



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Bill

05-30-2003 10:57:58




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 Re: Re: Oil Pressure Model B in reply to Fred, 11-17-2000 14:47:41  
What is a feed line?



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Dick L

11-16-2000 18:19:06




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 Re: Oil Pressure Model B in reply to Alistair Symes, 11-16-2000 13:16:40  

Yes you will have to split the tractor to get at the oil pump. Maybe, could be, has happened, the oil pump drives from a pin that is pressed through the cam. For the oil pressure to go from normal to none all at once would seem to me that something broke eather in the pump or this pin in the cam. I have seen the slot in the oil pump shaft that slides over the pin to be ready to break off also. I did have the pick up screen get pluged and cause me to lose oil pressure.
You can drop the pan on the B's without completely removing the front axle. Turn the four nuts that hold the front axle to the engine out to the end of the studs and you can move the bracket forward enough for the pan to slip down past the head of the welded in pin that the axle pivits on.

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Alistair Symes

11-18-2000 20:28:04




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 Re: Re: Oil Pressure Model B in reply to Dick L, 11-16-2000 18:19:06  
Thanks Disk & Fred for the replies. I have since found that the oil pump is turning. I can view the pump vanes with a torch thru the output pipe with a torch. I think, because the oil filter had been removed and bypassed there is no head of oil to keep the pump primed between starts. I got pressure back when I feed oil into thei outlet pipe and started the motor.
Question. How many PSI should it run at. I'm not getting much more than 8 - 10 psi.??

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legman2

11-26-2000 10:14:17




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 Re: Re: Re: Oil Pressure Model B in reply to Alistair Symes, 11-18-2000 20:28:04  
8-10 psi seems about right, but mine may have been a bit higher at 12-20 psi, but not anymore than that, mine is not running at the moment so I'm going from memory.



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