M2A1 Progress

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yd328
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Re: M2A1 Progress

Post by yd328 » Sat Feb 13, 2016 7:23 pm

I don't think this bearing is original :mrgreen:
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There was no gasket between the cases, just rtv. you can see where it was leaking in the upper left corner.
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Re: M2A1 Progress

Post by yd328 » Wed Feb 17, 2016 4:18 pm

I removed the gears from the case. I will further break it down this weekend and put a parts list together.
Gary

Countershaft gears and reverse idler
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Internals
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Re: M2A1 Progress

Post by yd328 » Wed Feb 24, 2016 2:45 pm

I cleaned up the case and found a crack going along the bottom :(
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The 3-4 clutch gear seems to have been put in backwards :roll: . The TM says the flat side faces up, so that's how I will install it. It was put in beveled side up. If anyone has been in their trans and can confirm this that would be great.
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Re: M2A1 Progress

Post by yd328 » Sun Mar 06, 2016 5:37 pm

Some parts arrived from Gary to make up a new transmission .
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I worked on the countershaft gear set today and here's a couple of more issues that I found. The shaft bearing surface is shot.
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Besides putting the 3-4 clutch gear in backwards it looks like bubba took any old washer of the shelf to put behind the countershaft bearing. I don't think it did anything besides bounce around in there a bit. Old and new.
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Here's the countershaft gear set assembled. The front bearing surface looks a little better.
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Re: M2A1 Progress

Post by yd328 » Wed Mar 09, 2016 6:40 pm

Here are the new cases prepped for assembly.
Image

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Re: M2A1 Progress

Post by yd328 » Sun Mar 20, 2016 1:38 pm

Working on some unfinished projects in between the transmission/transfer case. I gave up trying to get the hydraulic cylinder on the original hydrovac fixed. The best answer I got on was it should be ok for slow, parade use. I didn't like that so I roughed in a modern one.
Image


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Re: M2A1 Progress

Post by Spec4Don » Tue Mar 22, 2016 8:31 am

Looking good Gary!!!

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Re: M2A1 Progress

Post by yd328 » Mon Apr 11, 2016 7:31 pm

The transmission is done.
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It took me a while to find a snap ring that would work to hold 3rd gear in place. The one on the lower left is the one that was in there, it was bouncing around on the shaft. A regular snap ring would have fit but I wanted to stay with a constant section ring. Most were close but they just would not fit correctly. A friend found one at a Peterbuilt dealer.
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Now onto the transfer case. Here are the internals.
Image

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Re: M2A1 Progress

Post by yd328 » Fri Apr 29, 2016 5:37 pm

The transfer case is mostly together.
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I had a small problem while I was setting the end play in the intermediate shaft. The front bearing cup was pushing out of the case. I will make a fixture to hold it in place and get or make some more shims.
The front bearing is shown.
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Image

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Re: M2A1 Progress

Post by yd328 » Sun May 01, 2016 1:50 pm

The transmission shift mechanism came apart today. I found a couple of broken springs for the poppet balls and a loose shift fork bolt, the safety wire held it in place.
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Re: M2A1 Progress

Post by yd328 » Tue May 24, 2016 6:44 pm

Jumping around a bit. I repaired some hood hinges and installed the hydrovac.

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Image

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Re: M2A1 Progress

Post by Spec4Don » Wed May 25, 2016 8:53 pm

Great progress Gary, every little project gets you closer. Like they say the only way to eat an elephant is one bit at a time. Keep the pictures coming :mrgreen:

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Re: M2A1 Progress

Post by yd328 » Thu Jun 30, 2016 2:50 pm

The transmission is now in place.
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I have the doors primed/painted and installed. I am still looking for a passenger upper door, if anyone has one or some leads let me know. Thanks
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I also have the hood mounted, now the cab is starting to come together. :D
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Re: M2A1 Progress

Post by Austringer » Thu Jun 30, 2016 4:54 pm

yd328 wrote:Working on some unfinished projects in between the transmission/transfer case. I gave up trying to get the hydraulic cylinder on the original hydrovac fixed. The best answer I got on was it should be ok for slow, parade use. I didn't like that so I roughed in a modern one.
Image


Gary

That's the same vacuum booster as used in V100s.
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Re: M2A1 Progress

Post by noivan » Fri Jul 01, 2016 8:51 am

It is really looking great. I like the way you did the brake booster. I think I would like to do mine the same. Can you tell me where I can get that or a part number for it.Thanks,Gary

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