9N leak

[bullman]

First let me say I know my short comings and know beyond a doubt I am not a mechanic. But the economy is forcing me to learn. I bought my 9n about a year ago without the knowledge of my fluid leak. Not knowing what I would find if I took the arm and plate off to put a gasket on, I tried JB Weld, work on my old Dodge PU. But not here. If I am using it to mow regularly, it will leak about a gallon in 2-3 weeks (thus the pan to recycle it). So here is my question, if I take the arm off and the plate, what do I find. Gears falling out on the floor or what. I really am not much of a mechanic but can't afford to have it done and the hydraulic fluid aint cheap. If it is simple as slip it off, put on some perma seal or a gasket, slip it on, then I might be able to handle it. I have ask a couple farmers in the family but no one has ever had one off. Here are the pic's so you can see my problem. The other side is dry as can be. One more questions the numbers on the axle do they have any meaning. They start with 2N is why I am asking. Thanks in advance for your help!!!!

 

[Bruce (VA)]

You have a lower lift pin leaking. All that JB Weld on the outside didn't help, as you discovered. To get to it, you need to remove the axle trumpet. If you remove the left trumpet, you can do them both at the same time. The pin itself is held on by a castelated nut w/ a cotter key on the inside. Drain the fluid (see tips 3 & 4, below) Remove the left trumpet & slide the differential gear out. (an engine hoist is a good idea) Make sure the holes are not wallowed out or you will be in there again. I hear JB Weld works, but I've never had the problem so I can't say for sure. Torque the nut on the new pin to 150 lbs before you put the cotter key in. Wipe the new trumpet gaskets w/ warm water & let them set a few minutes before you put them on. Torque the 11 trumpet studs to 40 lbs.
50 Tips

 

[Dell (WA)]

Bullman.......as Bruce sez......and the 9N/2N 3-point lower link pin is STRAIGHT-sided, the more commonly available 8N link pin is "tapered" and will NOT fit yer 9N.

Recommend you squander $25 (cheap) for the I&T FO-4 repair manual. It has pictures for the mechanically challenged.......Dell

 

[Bruce (VA)]

"One more questions the numbers on the axle do they have any meaning. They start with 2N is why I am asking"

The axle was cast on Nov 27, 1945. the 2N number is the part number.

The link below will give you lots of info about casting codes, etc.
John Smiths N Info

 

[bullman]

Thanks for the info, don't sound as simple as I hoped but oh well. Dell, I just ordered the repair manual, glad it will have pictures cause I really am challanged with mechanics. But I am becoming more determined to learn since most of the equipment I can afford is older than me and I am 58. Charlie

 

[Tom N MS]

Do what you like but every time this particular leak comes up for discussion some folks advocate pulling the left side so you can mess with both sides from the left side....Common sense tells you, if it is the left side leaking, pull the left side and fix it..don't touch the other side..If it ain't broke don't fix it..

 

[Dunk]

(quoted from post at 22:29:50 04/04/09) Do what you like but every time this particular leak comes up for discussion some folks advocate pulling the left side so you can mess with both sides from the left side....Common sense tells you, if it is the left side leaking, pull the left side and fix it..don't touch the other side..If it ain't broke don't fix it..

I beg to differ...

Mine on my 8N didn't leak, but I broke the right one off, totally broke it off.

I pulled both trumpets, and replaced both lower lift pins.

The diffy looked to heavy for me to try to handle.

Went back with new seals, new hubs, new pins, new brake shoes, new axel nuts, new washers.

My '49 8N is a dayum good tractor now.

 

[Tom N MS]

Again, common sense comes into play..My left one was leaking so I pulled the left trumpet and fixed it right away..later saw that the right one was worn badly,really bad, where the lift arm attaches, so I pulled the right trumpet and did it later..It's one of those things where there is no ONE cut and dried answer...as long as two humans inhabit the earth there will be many opinions...same reason they make chocolate and vanilla ice cream...if I keep going you might call me John......