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Order Ford 9N Parts Online

1940 9n

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frank

10-16-2001 13:04:12




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I got my new [to me] 1940 9n running for the first time after some years of sitting outside. It starts [after the usual fuel leaks and wireing nests were sorted out] and runs great, but no oil pressure! Checked at outlet of block at left side by oil filler, no sign of oil. What would be the things to check? If I remember correctly, Model "A" fords had no oil pump but depended on a splash system.

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Claus is right.....Mikey

10-16-2001 17:18:28




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 Re: 1940 9n in reply to frank, 10-16-2001 13:04:12  
Frank,
I had no oil pressure after the rebuild. After considering splitting it (AGAIN) I tried a couple of suggestions from members of this board (and Don) that worked.

Pull the pressure relief valve from the front and remove the oil filter from the canister. Add a quart or so to the filter cannister, and let it gravity feed into the oil journal thru the oil line that runs across the rear of the engine. In the morning, take a pump type oil can and give the block 15-20 shits in the oil pressure relief valve hole.

Put the filter back in. Button everything back up. I had 35 psi in about 15 seconds.

My nickels worth!

Mikey

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oops!... I meant shots

10-16-2001 17:35:56




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 Re: Re: 1940 9n in reply to Claus is right.....Mikey, 10-16-2001 17:18:28  
;-(



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Claus

10-16-2001 13:39:03




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 Re: 1940 9n in reply to frank, 10-16-2001 13:04:12  
Well, wishful thinking is always that the gauge is bad. Once in a blue moon, this is the case. disconnect the gauge and see if oil comes out when runnning the engine. (Don't not run engine for any lenght of time without oil pressure). If the tractor sat for years, one likely suspect is that the pump lost it's prime. If you have a hand pump, you may try to pump some oil into the front relief valve after removing it. (On the left hand side of the water pump.) Some had success by trying to force oil into the fitting on the right side of the engine where the split is between the pressure gauge and the line to the filter. Last but not least, you may have to drop the pan and pack some assembly grease into the pump itself. Good Luck
Happy Motoring
Claus

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