IH240 Chassis seals

[gus1]

I am replacing seals on my IH 240. Its leaking gear lube.. On the brake/Clutch pedal shaft, Can I pull this out completely? Also I assume the metal side of the seal should be outward (the seal that I took out appeared to be in backwards).

 

[used red MN]

Gus welcome to YT! I have not worked on a
Cub.140.240.340 models. But I have worked on quite a few
other Farmall models that have the brake shaft running
through the trans like that and they all came out. I see you
had a post a while back on a Super C that you passed on
that did not run right. Must have found this 240. I will attach
a link to the CHNI online parts page for your tractor. From
that link you can view all the IH parts diagrams for your
tractor. If you are viewing on a phone you have to click the little square picture icon at the bottom to see the diagrams. To view other parts pages go to the top of the page and select..model.. as your search type. Enter 240 and your tractor will pop up at the bottom of the list, select it and search. On your seals I would say yes the metal part should be out. Usually any oil seal with a rubber type lip that seals against a shaft should angle in towards the liquid it is holding back like a dam. Ok here is your bonus, If you view this on ..Classic View.. at the top of the page you should be able to see my email button at the bottom right of my post. If you email me I will send you a link to a 68 page PDF of a scanned maintenance manual for your tractor. It is not a repair manual so it does not cover the job you are doing but it does tell you how to maintain and properly adjust about everything on your tractor. Since YT sells manuals I do not like to post the link direct in the forum. Oh and by the way YT sells parts for your tractor as well. My tractor is a 48 Farmall M, it has been in the circle of my family since new, and still wears its work clothes, I will attach a picture of it, I have the hood on it now. When you get a post count of 5 you will be able to post pictures, so then you can show off your machine to folks here.

CNHI 240 brake parts diagram

 

[wore out]

(quoted from post at 20:15:14 05/20/21) I am replacing seals on my IH 240. Its leaking gear lube.. On the brake/Clutch pedal shaft, Can I pull this out completely? Also I assume the metal side of the seal should be outward (the seal that I took out appeared to be in backwards).

I must be missing something here, as I recall the the shaft that passes through the hollow center frame of the tractor and operates the LH brake and also acts as a pivot point for the clutch pedal and RH brake pedal passes through a "dry"/oil free area.

If gear oil is leaking out there that would indicate the transmission input shaft oil seal is leaking, IMHO.

Is that the seal you are replacing?

 

[gus1]

Thanks for the information, Yes I passed on the Super C and now own this IH 240 Utility... at least this one runs, leaks gear fluid into the brakes and then out the the PTO. I figured I would just do these shaft seals while I am at it. I wasn;t sure if they leaked or not but while I had the trans drained, I just wanted to do it.

I do have all the manuals for the Super C (I went ahead and purchased them before I bought). So I have been referencing those to perform this repair, but also verify the parts on the CIH Site. I got the seals through Steiners.

I will email you for that link. I like the M.. big iron farmall.

Thanks, Doug

 

[gus1]

Thanks for the input.. I am replacing these seals though they do not appear to be leaking, I just thought that was part of the gear box and since I had it drained, went ahead with these seals.. though now it appears to be unnecessary, I learn something new everyday. The seals were installed backwards too and the chamber has a very little bit of oil in there. Doug

 

[used red MN]

Wore out, I did admit I had not worked on one but I used
the attached parts diagram which is for a Farmall to confirm
the shaft went through the gear oil cavity. Seal 8 says it is for the brake shaft. I see he said it is
a utility which he did not indicate at first. Maybe those
tractors were different. I cannot get the CNHI site to bring
up the 240 utility section.
Farmall rear case diagram

 

[used red MN]

And if you were thinking Cub, yes those are different, I just lumped it in there with those because the PDF of the IH maintenance book says it covers all those models. I admit I have not been around these models of tractors.

 

[Jim Becker]

The clutch release shaft goes through the clutch housing, which is a "dry" housing. But the brake pedal shaft (which provides the mounting/pivot point for the clutch pedal) goes through the rear frame, which has transmission oil inside. This was the same for the Farmall C, the 240 Utility, and everything between. As a good general rule of thumb, if IH put a seal on a shaft there is usually oil on one side of the seal. They were not in a habit of putting seals in unless there was something to be contained.

By the way, the rear frame diagram for the Farmall also applied to the Utility.

 

[Dennis K (WA)]

To answer your question about which way does the seal go.
The side of the seal with the garter spring goes to the oil side.
Dennis

 

[gus1]

Thanks everyone for the great info.. should have the brake and Brake pivot shaft seals done today, then its onto the PTO seal...

Picked this IH 240 Utility tractor up at an auction this spring, not pretty as the SuperC, but runs good, has a fasthitch and a pair of remotes, and fairly new tires. It definitely sat out and therefore needs new gear lube (looks like chocolate milk). A bit of maintenance and hope to have it safely working soon. My kids call it Mater after the tow truck in the disney movie Cars.

 

[gene bender]

no springs on the seals now