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816 rider rebuild my current project.


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#16 Cat385B ONLINE  

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Posted April 14, 2015 - 10:28 PM

Any more progress, Don? Wouldn't want your Gravely project to get too stretched out in time. :smilewink:

At least we have an experienced judge available.

Let us know when he's pushing the 'epic' status. Cough, four years, cough, cough.
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#17 tiretrx ONLINE  

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Posted April 15, 2015 - 07:46 AM

At least we have an experienced judge available.

Let us know when he's pushing the 'epic' status. Cough, four years, cough, cough.

 

Just walking in your shoes for a bit there buddy :smilewink:


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#18 devans OFFLINE  

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Posted April 17, 2015 - 03:25 PM

Okay, after getting the new sneakers on and cleaning up the fuel system it was time to see what the old girl could do. So I started it up put it in reverse, good news it moved. Put it in forward an no joy, something was drastically wrong. After tearing into it I determined the shaft for forward movement had sheared. Time to tear into it farther.

 

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This is the same shaft flipped around.

 

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I pulled the motor, the main bevel gear looks good.

 

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Taking a peak inside not too much wrong in the first picture but the race in the second picture shouldn't be there.

 

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Time to open it up and see how bad the damage is.

 

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Install a couple of guide dowels.

 

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#19 devans OFFLINE  

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Posted April 17, 2015 - 03:56 PM

This is bad....

 

 

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#20 KennyP ONLINE  

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Posted April 17, 2015 - 06:10 PM

OUCH! Doesn't look good for here!



#21 Dayton_King OFFLINE  

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Posted April 17, 2015 - 06:32 PM

Is that a same Trans as a 8000 series. If so I know a guy parting one out for cheap. I am getting the hydraulics for my project

#22 devans OFFLINE  

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Posted April 17, 2015 - 07:00 PM

I'm good actually. More tomorrow. I'm past this part and working to get to where I'm really at with this. And yes that tranny is missing more teeth than a prize fighter.


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#23 devans OFFLINE  

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Posted April 18, 2015 - 08:33 AM

After I put the cover back on I set about looking for a donor transmission, In one of the pictures you can see where a chunk is missing out of the left side case so I need that and all the gears or a complete transmission. I found a good one but a few states away but I kept looking saving the first one as plan "B".

I was on CL one day and noticed an ad from a guy selling Gravely parts and contacted him. He did have a whole tranny but the PTO was bad, no problem my PTO is just fine.

I went to his place, picked up the tranny and some other goodies I wanted, a rack and pinion steering set to replace the sector steering arrangement the tractor came with.

After I got home I cleaned the grease off the tranny to get it ready for the transplant.

I had to work that night so I brought the forward and reverse clutch assemblies with me to spruce up.

 

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#24 devans OFFLINE  

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Posted April 18, 2015 - 09:23 AM

With the tranny degreased I wheeled it into my shop to begin the PTO transplant. While I'm in there, the original tranny came with a limited slip differential, the replacement didn't have that short lived option so I'm swapping them out too.

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#25 devans OFFLINE  

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Posted April 18, 2015 - 09:27 AM

These pictures show the good and bad PTO clutch. Look at where the gear teeth are and you can see there is a good sized gap between the clutch cups and the gear on the good one and almost no gap on the worn out one.

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#26 devans OFFLINE  

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Posted April 18, 2015 - 09:38 AM

While I had this apart and most of the gears out I noticed a sludge buildup inside the case so I field stripped it and set it in my parts washer to give it a more complete cleaning. I figured now was a good time to get rid of the ugly yellow paint (no offence to yellow tractor lovers) and paint it the right color.

This was also a good time to cut the new gaskets while I was at it. All new seals were ordered as well.

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#27 devans OFFLINE  

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Posted April 18, 2015 - 09:47 AM

Getting it all back together and ready for install. If anyone has any questions please feel free to ask.

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#28 KennyP ONLINE  

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Posted April 18, 2015 - 11:37 AM

There's a bunch of gears inside that thing! Did you take pics before it all came apart or do you just know where things go? I'd get lost pretty quick without something to look at.


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#29 devans OFFLINE  

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Posted April 18, 2015 - 11:57 AM

There's a bunch of gears inside that thing! Did you take pics before it all came apart or do you just know where things go? I'd get lost pretty quick without something to look at.

 

Oh yeah I took pictures as it came apart plus I also have the service manual that gives a really good break down. I grew up in my families garage and body shop and have been wrenching from a very young age, at 52 there's not much fear of the unknown left. Lols.

I did manage to get two gears in backwards but found them when I ran the tranny through the gears by hand. I took it back apart, flipped the gears and all is well.

Thanks for following along.


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#30 devans OFFLINE  

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Posted April 19, 2015 - 11:19 AM

With the transmission back together it's time to mount it back to the frame and start putting the old girl back together.

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