can I get away with this?

nuttsaboutFORDS · May 22, 2022

So, I am about to put new hydraulic/tranny fluid in my 8N. I pulled out all three plugs and let the oil drain for a while. the fluid is clean, but some of it was a little lumpy and it seems that their might still be a bit of sludge in there. I know a lot of folks recomend running a few gallons of diesel fuel through it, but I do not want to spend money (and time) I do not have too. I already have the fluid, and would not be against replacing it a few months down the line (like oct or nov). If that it not an option, that is fine, but I was just courious what you all thought about it. Thanks!

RogerinIowa · May 22, 2022

Pour some of the old clean fluid back thru.

Tslinger · May 23, 2022

So, it's better to leave the crud in place than take an hour or two, plus $15 in diesel to clean it out, only to have to change out the fluid in the fall at $50+ for a 5 gal pail? (don't recall how much juice the N takes)

Yea, you likely won't hurt it as is, but you're so close to the goal, why stop now?

(and, yes, I understand, when you need the machine running, a couple hours matters... I don't know your situation...)

JMOR · May 23, 2022

(quoted from post at 06:26:08 05/23/22)
So, it's better to leave the crud in place than take an hour or two, plus $15 in diesel to clean it out, only to have to change out the fluid in the fall at $50+ for a 5 gal pail? (don't recall how much juice the N takes)

Yea, you likely won't hurt it as is, but you're so close to the goal, why stop now?

(and, yes, I understand, when you need the machine running, a couple hours matters... I don't know your situation...)

f never cleaned out in 70 years, the crap in there is NOT going to wash out. Thick like cow poop when eating dry hay, not spring greens. A few hands full here:

Some disassembly required to dig that out.

nuttsaboutFORDS · May 23, 2022

okay, so I went ahead and pulled the right ispection cover on the hyd pump and I am running ATF and Carb cleaner through it. getting a decent amount of gunk out, but not all. I think this should do the trick. the tranny is already clean, and although I think their may be a little sludge in the differantianel/axle, the fluid looked brand new! Thanks for the quick replies.

Tslinger · May 23, 2022

Good choice. Anything you can get out is good. The rest will probably just sit where it's been for another 70 years...

Mad Farmer · May 23, 2022

You could put some of the old fluid back in, and some diesel, run it around a bit and lift and lower the 3pt. That will stir up the crud and then drain it again with fresh.

My N gear oil looked like brown milkshake when I got it. Did the above and it's still clean/clear years later.

F12Mahon · May 28, 2022

When I had the top cover off the transmission of my 48 8n I used a hand weed sprayer and mineral spirits to flush it out. Couldn't flush the differential very well but running it and futere fluid changes will help clean the rest.

can I get away with this?

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