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Bringing a T-63 back to life


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#31 sacsr OFFLINE  

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Posted January 15, 2017 - 06:06 AM

Never would have expected that this part would be the issue. Nice work discovering it! You are probably aware that the coupling on the drive shaft in the transaxle picture is not original.


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#32 Gregshd OFFLINE  

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Posted January 19, 2017 - 08:33 PM

No SACSR, I did not know the coupling was not original. It seems to work OK though.

Here is what we used to get the pinion out of the end of the shaft to see what was going on.IMG_0976.JPG

 

I used an induction heater to heat up the end of the shaft to expand it enough to pull pinion out

IMG_0975.JPG

 


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#33 KennyP ONLINE  

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Posted January 20, 2017 - 05:36 AM

Is that supposed to be a press fit there?



#34 Gregshd OFFLINE  

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Posted January 21, 2017 - 07:39 PM

KennyP, I do believe it was intended to be a tight enough press fit it shouldn't off slipped. No key or pins to hold it.


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#35 LPBolens ONLINE  

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Posted January 22, 2017 - 02:53 PM

I think in this case I would improve the factory design and pin it.


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#36 Gregshd OFFLINE  

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Posted April 02, 2017 - 10:34 AM

LPBolens, I thought about putting a pin in it but i'm guessing that shaft is very hard. I'm thinking I would have to take to a machine shop and have a hole somehow machined in it. At work we have a metal impregnator. I used it on the pinion and it puts about .008" of metal on the shaft. That increased the diamater of the shaft .016". I put Loctite green sleeve retainer on the pinion and pressed it back in. It went in fairly hard so I'm guessing once the Loctite sets up it will be in for good. Here is a pic of the metal impregnator machine I used to build up the pinion.

IMG_0977.JPG


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