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Case 446 transplant


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#16 bulldogbones OFFLINE  

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Posted December 29, 2011 - 07:35 AM

I simply cut the shaft of where it stopped being tapper'd and reamed out the love joy and popped it on. I dont think I took a pic, but I will look.

#17 skyrydr2 ONLINE  

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Posted December 29, 2011 - 08:08 AM

Did you pin it or key it ?

#18 bulldogbones OFFLINE  

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Posted December 29, 2011 - 08:40 AM

I used the set screw as a pin. I drilled into the shaft about 1/8" so the set screw went through the L joy and into the shaft. I put the tractor through its paces and it held great.

#19 Boss 448 OFFLINE  

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Posted December 29, 2011 - 09:16 AM

I simply cut the shaft of where it stopped being tapper'd and reamed out the love joy and popped it on.


Boy, there's a direct, in your face and get it done approach! Had it been me I probably would still be searching for an adapter collar to adapt the taper shaft for the Lovejoy coupler.

Way to go Bulldog. Keep it up and keep us updated.

JN

#20 bulldogbones OFFLINE  

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Posted December 29, 2011 - 10:04 PM

:wallbanging::wallbanging: with my job and all the traveling and hotel room time I rack up. I had about a month to research such previously mentioned adapter..... LOL it doesnt exist unless I missed it.

#21 KennyP ONLINE  

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Posted December 30, 2011 - 05:43 AM

Somebody could make a few bucks if they made an adapter. Probably a few of those engines get scrapped because of the taper shaft.

#22 Boss 448 OFFLINE  

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Posted December 30, 2011 - 10:50 AM

LOL it doesnt exist unless I missed it

I too have searched for such an item with no luck - see http://gardentractor...er-shaft-10780/. I did further research regarding S.A.E. standard output shaft configurations and discovered that there are quite a few as shown in a diagram I uploaded to a previous thread. It does seem like an opportunity for someone to make some though I don't know if the market would be large enough to justify the effort. Had I found myself with a taper shaft engine I would have gone looking for someone to make one for me though I imagine the cost would be salty. Bulldog took the bull (no pun intended) by the horns and got 'er done without an adapter.

JN

Edited by Boss 448, December 30, 2011 - 11:04 AM.


#23 bulldogbones OFFLINE  

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Posted December 30, 2011 - 01:17 PM

The only other cheap way to go is to cast a tapered pulley using lead. All that would be needed to do this is..... stand the engine so that the shaft is standing straight up. Put the pulley on the tapered shaft and slide it down the shaft until it is good and snug. Then melt up a small batch of lead ( you can find bars on ebay ) and pour it down between the shaft and the bearing race. Just make sure you have the pulley square to the shaft. The only down side to this is. The keyway/sheer pin has to be somewhere other then in the led, since its a soft metal. But that could be overcome by welding a tab onto the back side of the pulley and drilling and tapping it into the shaft.

#24 Boss 448 OFFLINE  

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Posted December 30, 2011 - 03:14 PM

Another approach (as Olcowhand has suggested in a previous post) is that you could watch for a junk generator head of the correct shaft design and then remove the armature and turn it down in a lathe to fab an adapter.

JN

#25 cp7 OFFLINE  

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Posted December 30, 2011 - 11:44 PM

The adapter might be very handy/necessary for another brand of tractor or application but on the Case you did the best thing cutting the shaft down.
If you had another few inches in there you'd be setting on the pump or having to lengthen the frame out front.

Pretty cool swap you've done bdb.

#26 bulldogbones OFFLINE  

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Posted January 01, 2012 - 08:50 PM

THis is what the tractor will look like once I install the hood.

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#27 KennyP ONLINE  

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Posted January 02, 2012 - 07:35 AM

That side piece reminds me of my Ford closed side panel. Might work to 'widen' a hood.

#28 JDBrian OFFLINE  

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Posted January 02, 2012 - 09:01 AM

Coming along nicely. Thats a very nice tractor you have there.

#29 Boss 448 OFFLINE  

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Posted January 02, 2012 - 10:26 AM

Looking good Bulldog! Is the hood sitting a couple of inches forward in the pictures due to clearance issues or is it just not properly hinged in this mock-up?

JN

#30 bulldogbones OFFLINE  

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Posted January 03, 2012 - 07:45 PM

Yes the hood is set forward a little bit to clear the fan. But I think I remedy that situation. By cutting the front pto shaft and removing all the Onan clutching engagement stuff and just putting back at fan and an electric pulley clutch like is used to engage a mower deck.




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