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McCormick Deering Steel Wheel Tractor

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Tom in Iowa City

Member
This is a repost, because I got no response.
I have to think there's someone out there with an answer!
I have my McCormick-Deering 22-36 tranny torn apart. I have a couple of questions.
Can anyone steer me to someone who might have some knowledge?
Thanks,
TinIC
 
If it's tranny questions, ask 'em here. A tranny is a tranny, and even if you have part number questions specific to your tractor, chances are somebody here will have an answer or a lead.
 
Fawteen,
Here was my last post.
Can you help or know who can?

1930 McCormick-Deering 22-36
I have dismantled the transmission and once I completed the cleanup, I found a couple of tapered roller bearings that need replacement.
BEFORE teardown, I noticed that the oiler (sometimes called oil) gear has about 1/4 to 1/2 inch of side play. This gear has a brass or bronze bushing and runs on the bearing cage.
My question is, should it have this sideplay?
I think the answer is yes, because with the shaft spacer and the oiler gear retainer washer, there is nothing else able to take up this side play.
I'm guessing that the side play promotes the splashing of oil up to the pulley drive gear.
The oiler gear is .755 inches wide and the pulley drive pinion that it mates with is 1.116 inches wide, to allow for side play, I suppose, but perhaps mostly because the pinion is of the correct strong width to mate with the pulley drive gear.
If anyone knows anything about this, please let me know.
Or, if anyone has seen a similar phenomenon in other transmissions, please let me know.
Thanks,
Tom in Iowa City
 
hi tom, best if you could post a pic. lots of times a pic tells the story. i believe on those tractors the trans pulls right out of housing in one unit, so you should be able to get a closeup shot.
 
Rustred,
Here is an IH original diagram that I labelled.

<a href="http://s99.photobucket.com/albums/l281/Tom_084/?action=view&amp;current=TrannyforWebPostingcopy.jpg" target="_blank">
TrannyforWebPostingcopy.jpg" border="0" alt="Photobucket
</a>
 
I'm by no means a transmission expert, but I can see why it would have side play. It looks like to me from the diagram you posted, it would have to have some sideplay in order to stay mated up with the pinion gear. With no sideplay, the amount of travel the gears need to shift from gear to gear is greater than the width of the oiler gear, therefore seperating the pinion and oiler gears. If the oiler gear is a touch over 3/4 of an inch wide and you have 1/2 an inch of sideplay you have 1 1/4 inches of travel maintaining oiler contact. I bet you will find the gears need less travel than that in order to line up and "get into gear". Once again I'm no trans. guy, I'm just speaking on what I'm seeing in the diagram.
 
near as i can tell that is normal, as its just traveling back and forth on the pulley drive pinion that it is mated with.the oiler gear is about 3/4" wide and pinion drive 1.1" thats around 1/4" that it is sliding around.i think you have come to the right conclusion as with this old stuff , few have experience working on it so a person just needs to stop an study and come up with answers that makes sense as to why ihc did that. your gonna have a nice unit when finished.
 
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