My C100 Drawbar Pin Removal EDITED 18 March

[Marv 919]

I have had this C100 for quite a while. I don't use it much. Based on the mushroom on the pin, someone had tried to remove it. The draw bar had been modified and I wanted to return it to original. So, a year or so ago I started working on it. I applied penetrant and tapped it with my small tapping hammer to set up vibration. Didn't work so  I drilled the boss to allow for penetrant to get to the pin. Frequently, during that time until now I would add penetrant and tap, tap, tap. Then I struck it with a bigger hammer. Didn't move. Decided to give it a little heat to suck the penetrant in. Still didn't move. I decided to take drastic measures and cut the pin. I cut it flush with the boss (note that I removed the rear bottom bolt from the transmission case to allow clearance for the blade). Started drilling. I started off with a 7/32 drill bit and stepped it up in 32nds all the way to 5/8. I did not drill all the way through the boss I stopped short to be sure the pin would not break off inside the boss (that would be a bummer). I worked from the right side because I am right handed  AND TO PROTECT THE NARROWER BOSS ON THE RIGHT SIDE. Ok, now I am ready. Impact hammer here we go. Rat a Tat Tat Tat, it is out. Ruler shows depth of the drill.

Edited March 18, 2018 by Marv

[elcamino/wheelhorse 9,296]

Sure was a lot of work. So far I have been lucky with the pin removal on my tractors, of course my BFH helped. Great photos.

[857 horse 2,581]

I have a Raider 12,,,,,,in need of this surgery,,,,,,,thank you for the insight and warnings,,,,,,,,,i will do pics and forward mine as well.........

 

Howard,,,,857 Horse in Va....

[pfrederi 17,672]

Good attack plan...this is not an easy project

[classiccat 548]

War of attrition.   Good thing for you that an air hammer (along with a steel will) was in your arsenal!    I lost count of the # of times mine bailed me out!

 

 

[WVHillbilly520H 10,373]

2 hours ago, elcamino/wheelhorse said:

Sure was a lot of work. So far I have been lucky with the pin removal on my tractors, of course my BFH helped. Great photos.

I thought you were going to say/type a BRF helped , sorry couldn't help myself there.

[DennisThornton 4,769]

Oh my!  I had one that I thought wasn't coming out.  I had to heat it more than I wanted but an oxy/acet will put a lot more BTUs on it in a hurry.  It came out.  Looking at what you had to do makes me real glad that it did!

[Ed Kennell 38,024]

Good documentation.  That is the exact process I had to resort to remove one of my pins.   I used a 4.5 X 1/32" cutoff wheel instead of a sawsall.

   I am left handed, but I drilled from the right side also  so I would be driving the pin toward the larger side of the lug with less risk of breaking the case.

Edited March 18, 2018 by Ed Kennell

[Marv 919]

11 hours ago, Ed Kennell said:

 

   I am left handed, but I drilled from the right side also  so I would be driving the pin toward the larger side of the lug with less risk of breaking the case.

Thanks Ed, I had intended to include that in my description. Old minds forget! I edited the post today.

Marv

[cslxt8 4]

This is just what I needed to find. I just started this process but I still need to get the hitch off. I will likely need to use a cutting wheel too do to space constraints. Been soaking it with penetrating oil already. What is everyone's choice of penetrating oil?

 

Colton

[CasualObserver 3,408]

23 minutes ago, cslxt8 said:

What is everyone's choice of penetrating oil?

 

My go-to's are PB Blaster, Kroil and/or Gibbs depending on which can I find first in the shop. Some guys swear by an acetone / ATF mix.

[Lee1977 6,647]

I change all my tractors to this type of hitch pin.The Wheel Horse pins measure 74.95".  The three point tractor pin measure 74.75" .002 thousands smaller plus they are plated.

Edited August 22, 2019 by Lee1977