My track came off on my 450 dozer today. Had to loosen up the bolt to let the ram loosen up to get track back on.like it should grease came out of the weep hole. I tighten it back up after track was back on and now grease still comes out the hole. It's as tight as I can get it. Never had any trouble before. Question is. Is there a small rubber O-ring by chance that goes on bottom of that release bolt?
 
(reply to post at 16:44:07 09/26/19)

There was a check ball (.375" diameter, grade 100, RC60 hardness bearing ball) under the set screw you took out to back the track off. The ball comes out with the grease and often isn't noticed, thus ends up missing. It is common for those to get lost when people take the set screw out to loosen the tracks, the pile of grease gets thrown away. Then they have the same problem you are having, so you have a lot of company on this one. Some hardware stores have balls in the hardware pull drawers, maybe you have one in an old bearing around your shop.
 
No o-ring inside.. Just a steel ball. If you had taken that bolt all the way out that little ball could easily come out and get lost. If you take the bolt all the way out, I don't know what happened to it.
 
Just a plain 3/8" diameter steel ball. This is it when you buy from Deere or on Ebay.
cvphoto37596.jpg
 
This is the set up I have. What I circled. I never took the set screw out till after 3 times of loosening and tightening back down amd it still leaked
cvphoto37597.jpg
 
I can see that there must of been a ball there. But its weird. The only reason I took the bolt out is cause grease was coming out as fast as I put it in. Maybe jammed in the hole idk. But did have it as tight as possible. And I know when I removed it . There was no ball stuck on the end. Strange
cvphoto37599.jpg
 
Yes, that is the bolt but where is the steels ball it is supposed to push against to hold the grease in?
 
That's what dont make sense. Like I said. I loosened it up to get track on. 2 turns. Then once track on. I retighten it down and put grease in it and it came out the weep hole . So I loosened it up and repeated steps. Till 3rd time I pulled it out to see what the end looked like cause i new it was leaking by. Doesnt make any since
 
I bought this and it's a basket case. Who knows if someone before me put something down there instead of the ball and when it loosened it up it pushed out. Just sucks I have to wait a week to get 1 now
 
?bought this and it's a basket case. Who knows if someone before me put something down there instead of the ball and when it loosened it up it pushed out. Just sucks I have to wait a week to get 1 now?
 
You have this style yoke, original to the machine, not the replacement one you posted.

mvphoto43162.jpg

I don't know where it went but as I first posted, you are missing item, 4 the steel ball. Get a 3/8" steel ball and put in under the set screw and it should seal. If it had the relief valve, that would look different than the square head screw you posted the photo of.

For reference the new style yoke (used as a replacement) in the drawing you posted looks like the one below and uses a check/relief valve, not a solid set screw.

mvphoto43161.jpg
 
It may be there but it looks like item 5, locknut, is missing from the set screw in the adjuster in your photo. Those set screws should have jam nuts on them. Removing the locknut would give some extra length to try to get a seal without the check ball. The screw tightens on the ball then the locknut is tightened to lock the screw. The previous owner(s) may have gotten lucky a got a seal without the ball and jam nut, but it won't now.

They should look more like this if the check ball is in place.


mvphoto43185.jpg
 

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