2N oil line hook-up

[Harrison9N]

I've got a 1947 2N tractor engine that I'm rehabilitating. It came to me without an oil filter assembly installed. (But rust stains on the engine block lead me to believe there was once an oil filter installed. Engine had 1/4-inch oil line leading out of the engine- just below, and in front of the battery, leading up to the pressure gauge. Another line connected the governor to a fitting just above the front distributor. My intention is to change everything up, to a 1/4-inch line splitting from the rear of engine to the pressure gauge AND a replacement oil filter assembly, and then onwards across the front to the governor.

My question is... is the current front-of-the-engine oil port absolutely necessary? I can't find reference to this in my manuals. Any advice would be appreciated.

 

[wore out]

I've got a 1947 2N tractor engine that I'm rehabilitating. It came to me without an oil filter assembly installed. (But rust stains on the engine block lead me to believe there was once an oil filter installed. Engine had 1/4-inch oil line leading out of the engine- just below, and in front of the battery, leading up to the pressure gauge. Another line connected the governor to a fitting just above the front distributor. My intention is to change everything up, to a 1/4-inch line splitting from the rear of engine to the pressure gauge AND a replacement oil filter assembly, and then onwards across the front to the governor.

My question is... is the current front-of-the-engine oil port absolutely necessary? I can't find reference to this in my manuals. Any advice would be appreciated.

A photo of the unusual oil line connection would be helpful.

 

[JMOR]

I don't understand your description of what is connected. Yes, I agree, a photo would be helpful.

 

[Mad Farmer]

I'm guessing but......

Someone removed the oil filter assy. They plugged the block outlet hole with the oil press gauge fitting? Is the fitting even connected? There should be a T- to feed both the filter and oil P gauge. Outlet to governor sounds correct.

That is if I remember right.........

Find a good used OEM Filter assy.

I'll be putting tire chains on my 9N soon, I'll take some pictures

 

[JMOR]

"Another line connected the governor to a fitting just above the front distributor." What/where is this fitting?

 

[Harrison9N]

I’ll get back to this thread with photos asap.

 

[JMOR]

7 hours isn't "ASAP' to me.

 

[GChief]

7 hours isn't "ASAP' to me.

Why not... As Soon As Possible

That could be now or 100yrs from now

 

[soaked]

The 15/16 prv cap is kinda above the dist.....
Saw this in 9N-2N manual
Talks about two small holes in the oil filter standpipe---

Wonder the hole size of the smaller holes. 8n filter has the .059 size single hole. Just curious if the smaller 9/16 gear pumps got, or need a smaller restriction than the .059.

 

[JMOR]

The 15/16 prv cap is kinda above the dist.....
Saw this in 9N-2N manual
Talks about two small holes in the oil filter standpipe---
View attachment 95305
Wonder the hole size of the smaller holes. 8n filter has the .059 size single hole. Just curious if the smaller 9/16 gear pumps got, or need a smaller restriction than the .059.

I would have to open the canister to see & measure.

 

[soaked]

Hi JMOR, as it turns out, i drove down the street to see a neighbor, and he has a 44 2n he is restoring. It had the two holes, and each one fit a .059 drill.

Drills are smaller than the .059 in this pic.
Neighbors 44 had the oil line to the gov.

 

[JMOR]

Hi JMOR, as it turns out, i drove down the street to see a neighbor, and he has a 44 2n he is restoring. It had the two holes, and each one fit a .059 drill.
View attachment 95307

Drills are smaller than the .059 in this pic.
Neighbors 44 had the oil line to the gov.

Thanks for the info.. Appreciate your time to report.

 

[soaked]

Hi JMOR, just trying to be helpful.

 

[Harrison9N]

Ya'll didn't know that ASAP means After Some Amazing Procrastination?

So I'm BACK with photos of the mystery oil port located in the front of the engine. I'm starting to think it's where the oil pressure regulator valve sits, but previous owner/mechanic tapped it for a governor lubrication line. Why?

Photo A: (Looking through the fan-belt, just to the right of the distributor coil.) That oil port is at the top of the Cylinder Front Cover, and I can't find documentation of a governor port at that location. I only see shop manuals of an oil pressure regulator w/ spring.

Photo B: ( With the brass elbow removed. ) To be honest, I don't think this port is necessary, and I've changed the oil route to match another 1947 2N I'm more familiar with. Surely I know tons more than the engineers at Ford? No. I've capped this port with a plug, and re-plumbed the oil system the following way:

Photo C: ( I've directed two 1/4" lines from the N6722 Oil Line Terminal Block to both the Oil Pressure gauge and the Oil Filter. )

Photo D: ( The 1/4" line continues to the side of the Oil Filter, and onwards to the Governor from the bottom of the Oil Filter. )

Photo E: ( We end up at the new Governor. The old governor's ball-bearings had worn a groove so deep the housing was bulging out a quarter inch. )

Everything that needs lubrication is lubricated?... Fingers crossed.

Has anyone wisdom to impart about that oddball way to alter Cylinder Front Cover? I wonder if I can get an oil pressure regulator valve back onto that location.

 

[wore out]

Ya'll didn't know that ASAP means After Some Amazing Procrastination?

So I'm BACK with photos of the mystery oil port located in the front of the engine.

View attachment 98142

Photo A: (Looking through the fan-belt, just to the right of the distributor coil.) That oil port is in the Cylinder Front Cover, and I can't find documentation of that port anywhere.

View attachment 98143

Photo B: ( With the brass elbow removed. ) To be honest, I don't think this port is necessary, and I've changed the oil route to match another 1947 2N I'm more familiar with. Surely I know tons more than the engineers Ford? I've capped this port with a plug, and re-plumbed the oil system the following way:

View attachment 98144

Photo C: ( I've directed two 1/4" lines from the N6722 Oil Line Terminal Block to both the Oil Pressure gauge and the Oil Filter. )


View attachment 98146

Photo D: ( The 1/4" line continues to the side of the Oil Filter, and onwards to the Governor from the bottom of the Oil Filter. )

View attachment 98147

Photo E: ( We end up at the new Governor. The old governor's ball-bearings had worn a groove so deep the housing was bulging out a quarter inch. )

Everything that needs lubrication is lubricated?... Fingers crossed.

Has anyone wisdom to impart about that oddball Cylinder Front Cover?

I don't think there's anything "oddball" about the front cover itself.

The plug over the oil pressure relief spring and valve was drilled to accept the return oil from the partial flow filter, from there it would dump on the timing gears on it's way back to the crankcase along with the flow of oil past the flat on the relief valve and any oil relieved if oil pressure is above the relief valve setting.

 

[Harrison9N]

I describe it as oddball because the tractor came to me with no oil filter housing at all, with only the oil pressure gauge connected to the engine- and the governor connected to the tapped oil relief valve. It seems to me that in the just-arrived-in-my-shop configuration the governor would only get extra lubrication if the oil pressure tripped the relief valve. A curious tractor indeed.

 

[wore out]

I describe it as oddball because the tractor came to me with no oil filter housing at all, with only the oil pressure gauge connected to the engine- and the governor connected to the tapped oil relief valve. It seems to me that in the just-arrived-in-my-shop configuration the governor would only get extra lubrication if the oil pressure tripped the relief valve. A curious tractor indeed.

There's a flat on the relief valve so a certain amount of oil gets dumped past the valve and spring and on the timing gears even if the oil pressure relief isn't relieving. I can't imagine there's enough pressure under that plug to send much oil to the governor unless they did something internally with the channel from the relief area that dumps on the gears.

Which would tend to starve the gears of oil.

 

[Mad Farmer]

Ya'll didn't know that ASAP means After Some Amazing Procrastination?

So I'm BACK with photos of the mystery oil port located in the front of the engine. I'm starting to think it's where the oil pressure regulator valve sits, but previous owner/mechanic tapped it for a governor lubrication line. Why?

Thanks for the post and good pictures. Glad you have it sorted out correctly.

Merry Christmas!

 

[JMOR]

YEP, SOME JUST THINK THAT THEY ARE OPPENHEIMER