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Antique Steel Wheel Tractors - Old Iron Lugs and Cleats Photos and information about antique steel wheeled farm tractors. This is where to find the heaviest of Old Iron tractors.

Antique Steel Wheel Tractors - Old Iron Lugs and Cleats

1927 20-35 Allis Chalmers


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  #21  
Old 02-27-2016, 11:10:29 PM
Jacob WI Jacob WI is offline
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Default Re: 1927 20-35 Allis Chalmers

Hi all!

I've been slacking on keeping this post updated, sorry...

Let's get you caught up.
I made a quick trip back to WI last weekend to pick up my engine from the machine shop. With the sleeves bored for the 5" pistons, the crank ground, the cam polished, all the bearing gone through and refit, and the rotating assembly all assembled at the machine shop, we can take over now. The heads were not quite done yet, so we'll have to get them another trip.
But the engine is back in our garage, and I couldn't be happier!


The new set of used lifters was resurfaced as well.


My Mag is with Matt Scott being gone through.

unfortunately the main case was damaged beyond repair, but Matt located another mag with a good case to use from Biewers, and is just waiting on new bearings now.
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Old 02-27-2016, 11:12:32 PM
Jacob WI Jacob WI is offline
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Default Re: 1927 20-35 Allis Chalmers

I brought the carb to the local machine shop here in Kenmare, ND and had them make a new venturi and throttle shaft and bushings for me. I'm fighting a cold now so haven't gotten to put it back together yet, but the parts look good.



Things are going pretty smooth considering I am 10 hours away from the tractor, and I have had this for about 7 months now. But spring is coming soon and I still have a lot to do...

I'm still on the hunt for the elusive '27 throttle quadrant, but I have rounded up about everything else.
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Old 02-27-2016, 11:14:45 PM
Jacob WI Jacob WI is offline
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Default Re: 1927 20-35 Allis Chalmers

A quick reminder what it looked like the day I got it


What do you think, will it be running this spring?

And as usual, I have added a bunch more pics to my Photobucket account, check them out if you're interested.

Thanks!
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Old 02-28-2016, 12:27:49 AM
JimDoyle JimDoyle is offline
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Default Re: 1927 20-35 Allis Chalmers

Jacob, thanks for posting an update, I was wondering what was happening with Big Al.

Cheers
Jim
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Old 03-06-2016, 02:20:33 PM
Jacob WI Jacob WI is offline
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Default Re: 1927 20-35 Allis Chalmers

Good Afternoon everyone!

I have a couple little updates to add.
I ordered up some brake lining material from McMaster-Carr
http://www.mcmaster.com/#brake-lining/=11f95ld
And shortly after it was delivered back home, Dad text me some pics showing me he had it installed on the original brake band. That was a nice surprise!




Meanwhile, here in the prairie, I got around to assembling the carb with its new parts. I'm 99% done with it now. I just have to order up that brass tube that was cracked. A bunch of people suggested soldering it up, but with so many cracks and it being so small, I decided to just replace it with a new piece. Again, I found it on McMaster, those people have EVERYTHING!
http://www.mcmaster.com/#brass/=11f9d0u




Things are coming right along,
I'll have to go start on another part now...
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Old 03-06-2016, 11:11:43 PM
Jacob WI Jacob WI is offline
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Default Re: 1927 20-35 Allis Chalmers

Even the small victories are worth noting.
This afternoon I tackled the radiator cap.


I ended up drilling the old screws out and cleaning up the threads, because of course the old screws snapped off, why wouldn't they?

Made a new gasket, and metal plate, a couple new screws and bingo, we have a finished radiator cap!



It's worth noting that the '27 radiator cap is different than the '28 and '29 20-35's. It has two screws, where the later ones have one rivet in the center to hold the metal plate.

What next?
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Old 03-06-2016, 11:14:24 PM
Jacob WI Jacob WI is offline
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Default Re: 1927 20-35 Allis Chalmers

Suppose I can tackle the Fan Hub.


I have the Hyatt bearing style fan hub. There are three different variations of the fan hubs over the years.

I have the bearing and washers taken out


But am wondering what the trick is to get the sleeve out that the bearing rides in? It is a split sleeve and has three holes in it, one on either side of the slit, and one opposite. Is there a special tool to get this out? It needs to be removed so the new seal can be installed, which is located behind (or at the bottom in these pics) the sleeve.



Thanks!
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Old 03-07-2016, 12:01:40 PM
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Phil Johnson Phil Johnson is offline
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Default Re: 1927 20-35 Allis Chalmers

There was probably a special tool to contract the race and lift it out. Seeing that it is split, it shouldn't take a lot to remove it so you can get the felt retaining washer (part #E-296) out. You might try a soft brass or copper punch and come in through the end where the seal is and see if you can engage the three holes in turn and drive the race out.
I haven't done this so this is just what I would try.

Going by the fan diagram in the early Allis parts list.
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Old 03-07-2016, 09:29:05 PM
Jacob WI Jacob WI is offline
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Default Re: 1927 20-35 Allis Chalmers

Quote:
Originally Posted by Phil Johnson View Post
There was probably a special tool to contract the race and lift it out. Seeing that it is split, it shouldn't take a lot to remove it so you can get the felt retaining washer (part #E-296) out. You might try a soft brass or copper punch and come in through the end where the seal is and see if you can engage the three holes in turn and drive the race out.
I haven't done this so this is just what I would try.

Going by the fan diagram in the early Allis parts list.
Thanks Phil, that is kinda what I was thinking, figured if anyone would know you all would
I'll have to go clean it up a bit and study it some more. I got to thinking about it today and am now wondering of the sleeve and lip (or washer) on the bottom that holds the felt seal in, are one piece or two?
I'm betting two, since the parts manual calls it a separate piece. Which brings up another question. Which way are they lapped? Does the sleeve have to come out first, or is the washer inside the sleeve? I'm betting the sleeve is holding the washer in, as that's what the diagram looks like to me.
Thoughts?
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Old 03-08-2016, 12:11:23 PM
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Default Re: 1927 20-35 Allis Chalmers

I haven't taken one of those apart, but by looking at the drawing in the parts book, it appears the sleeve seats on the washer holding it in place. Seeing that the sleeve is split, it shouldn't take much force to drive it out with a soft metal punch if you can get access through the seal end.
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