Oil line on bottom of 9N filter

OK, I'm changing the governor on my 1943 9N which relies on splash oil for lubrication, the new one has a fitting for a oil line just like the 2 lever 8N does. The oil is supplied by a fitting on the bottom of the filter. The problem is on the 9n there already is a tube there that goes in the side of the block just below the filter.
I can tee off of the filter or the block, but I was wonder if that tubes was just some kind of a pressure relief or does it lube something??
Thanks
Ed
 
The line to the block just returns the oil to the inside of block, plug it and just run a line to the gov.
 
(quoted from post at 17:42:14 03/21/17) OK, I'm changing the governor on my 1943 9N which relies on splash oil for lubrication, the new one has a fitting for a oil line just like the 2 lever 8N does. The oil is supplied by a fitting on the bottom of the filter. The problem is on the 9n there already is a tube there that goes in the side of the block just below the filter.
I can tee off of the filter or the block, but I was wonder if that tubes was just some kind of a pressure relief or does it lube something??
Thanks
Ed
ilter to block WAS the filter output back to oil pan, but now the return path is through governor & ultimately back to pan, So, simply plug the block connection point.
 
Nathanialbumpo,The oil line from the filter just dumps filtered oil into the block,It can be plugged and a line ran to the governor.But that is kind of unnecessary It worked good for 74 years and with a new governor you should be good for 74 more.your choice.lol
 
Thanks for the info, that's what I thought but I wanted to make sure. I will be adding the oil line to the governor, a little positive oiling is a big plus in machinery. I don't know tractors; well now I do; but I do know a lot about machinery.
 
(quoted from post at 15:35:24 03/21/17) Thanks for the info, that's what I thought but I wanted to make sure. I will be adding the oil line to the governor, a little positive oiling is a big plus in machinery. I don't know tractors; well now I do; but I do know a lot about machinery.

With Bypass oil filtrations like the canisters on my Chevs and I suspect the N's as well, when your canister isn't hot to the hand then that is a method of indicating filter change time.

In other words oil has stopped moving through the dirty filter element. Because there is no relief valve like a modern spin on it means that oil has stopped moving through the canister.

So . . . If I was a perfectionist about machinery longevity as you seem to be (and I err on the overkill side myself) then I would ensure that the governor has a constant oil pressure feed from your supplemental line under any filter condition . . . by putting the T for your new governor line on the intake side of the canister.

My 1.3 cents worth Canadian. :)
 

natty, not that it affects this discussion, but your 1943 9N would actually be a 2N. they didn't change the serial number prefix until the 8N came out.
 
then I would ensure that the governor has a constant oil pressure feed from your supplemental line under any filter condition . . . by putting the T for your new governor line on the intake side of the canister.

There is a .060 - .061 orifice in the vertical tube inside the canister that restricts oil flow through the filter and keeps the oil pressure at a reasonable level . If you T'd off of the input side it may drop your oil pressure significantly . If you T'd off the output side it may not supply much pressure to the governor since it would be less resistance to dump it straight down to the block . Or it may work perfectly ?
 

Ken,

I was wondering about that actually, because oil going to the Governor would be taking the path of least resistance. When I installed Bypass filters, I would T in to where the pressure sender is located on the block and even though dividing the flow to the pressure sender and the filter, the oil pressure on the dash wasn't affected -- but that's logical.

But as you say, the flow directed through the governor would be relatively unrestricted if taken off at the inlet; i.e., the path of least resistance.

Be interesting to connect it that way and test the flow at the bottom of the canister.

T
 
Do as other have said about adding the line to gov so I won't repeat. My question is since the line to the gov was added in mid 1941 and yours does not have it are you sure your tractor isn't an earlier model 9n than a 1943?

Kirk
 
I checked the model number a few times before I started pulling things apart, the year is right. But it might not be the original governor, there is a plugged tee at the block for another line to tap into but it is pretty rough. I know as soon as I try taking it apart the tube is a goner, so if it's just a drain why not have it drain thru the governor and not replace all those other fittings.
So my guess is the original governor had a oil line, it went bad and the mechanic replaced it with one he had on the shelf.
 
How did you determine the year of your 9/2N? By serial number? As stated, the early 9Ns didn't have oil lube connections on the governor til later. They were added post wartime 2N restrictions, in late 1942/early 1943. I have an original Ford-Ferguson manual on the governors with repair and maintenance illustrated. The dealers were instructed to add the extra lube line to pre-existing models brought in for repair and describes how one adds that line. Early 9N governors were cast iron, no lube elbow, and sought after by early 9N restorers. If yours lacks a lube port it may be worth more to someone else so I wouldn't booger it up by drilling and tapping a pipe port. My email is open if you want to get access to that manual. I have it posted on the other Ford Tractor N-Series site...under MANUALS forum.


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I did determined age by serial number. The inside of the governor body is in really nice shape it was the lever arms that were screwed up, lot's of play. The tractor was given to me and I have worked on it off and on for a year and half. This was the last issue I was having and didn't feel like repairing it so I just bought one from this site. Any idea what it might be worth, I also have the generator which is in pretty good shape
 

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