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Bush Hog Hd-12 Diesel Repower


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#16 Texas Deere and Horse OFFLINE  

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Posted November 09, 2013 - 03:41 PM

Glad to hear you got a little time for yourself, you need all the breaks from life you can get. Hang in there as it will keep improving.


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#17 KennyP ONLINE  

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Posted November 09, 2013 - 03:59 PM

It's good to hear you got a little play time! I finally got to play a bit myself.


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#18 olcowhand ONLINE  

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Posted November 10, 2013 - 10:00 AM

Couldn't stand it.  Had an hour before going to visit Dad, so ran to the shop & got the dash tower removed before getting dressed to go to pick up Mom.  Now once I get home, I can get the old driveshaft off the trans & get straight to working on a driveshaft adapter for the engine flywheel.  My lower back is killing me, but if I'm busy I don't notice it so bad.


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#19 Robert Webb OFFLINE  

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Posted November 10, 2013 - 10:23 AM

Daniel, sometimes "getting away" is the best thing that you can do to "forget about your problems" for a while...........Keep on keeping on!


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#20 olcowhand ONLINE  

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Posted November 10, 2013 - 02:51 PM

Daniel, sometimes "getting away" is the best thing that you can do to "forget about your problems" for a while...........Keep on keeping on!

 

Yes, sometimes even just a 15 minute GT fix can help a lot.  I think I'll change into some working clothes & do some more with the HD-12 in a few minutes.


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#21 olcowhand ONLINE  

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Posted November 10, 2013 - 05:55 PM

2 hours in the shop, and boy was it nice!  Rejuvinating when you can do it at a relaxed pace.  My goal was just to try to get started on a flywheel adapter stub for the driveshaft.  Ended up getting the stub finished except to remove & weld the stub to the adapter plate on the back side.  I got VERY lucky!  

  The pic below is a flywheel PTO shaft adapter plate for a Massey MF1100/1130.  Notice the raised ring out from the center raised shaft area.  You would not believe how lucky I got.....that ring EXACTLY fit the center of the diesel's pulley set that bolts to the flywheel!  

 

DSC00039.JPG DSC00038.JPG

 

THEN got lucky again!  The splined hole for the big Massey's pto shaft was a PERFECT fit for the 1" stub shaft that fits the OE driveshaft universal!  Actually was snug enough it required tapping in with a hammer for a perfect centered fit!  Notice the top end of the shaft is machined down just a bit.  This slips into the center pilot hole of the crankshaft to make for a great alignment.

 

DSC00040.JPG

 

Then the installed stub assembly.   Since the pic below, I placed 3 spot welds at the junction of the plate & the stub.  All I have to do to finish is to take the assembly off the flywheel to weld the shaft to the plate on the back side.

 

DSC00041.JPG

 

Oh, BTW....the shaft I used to make the stub is the broken Bush Hog ST-32 tiller gearbox shaft, so it's OE in a way!  :smilewink:  And where I placed the engine to allow room for the fuel tank at the back, and radiator at the front...again, a perfect fit.  The OE driveshaft is an exact perfect length, not close, but the perfect length.  Maybe this engine WAS meant to be in an HD-12!  :thumbs:  Also, the driveshaft for an HD is the same as the JBI.  

 

No miracle amount of work, but sure was nice to have some shop time, but still got a lot more accomplished than I ever dreamed I would.


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#22 KennyP ONLINE  

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Posted November 10, 2013 - 06:01 PM

Glad to see some progress. GT time can make you feel so much better! You're lucky all that lined up so well!


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#23 olcowhand ONLINE  

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Posted November 10, 2013 - 06:51 PM

And the old Massey PTO plate was shot , having the splines too worn to ever be used again.  We started to toss it a few years ago when we replaced it, but thought it might some day be useful for something.....and it was.   :thumbs:


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#24 KennyP ONLINE  

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Posted November 10, 2013 - 06:57 PM

I'm happy it all worked in your favor!


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#25 Texas Deere and Horse OFFLINE  

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Posted November 10, 2013 - 07:04 PM

Good to see you getting "me" time in the shop, I know is helping relieve stress right now.
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#26 MH81 ONLINE  

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Posted November 10, 2013 - 07:09 PM

Isn't it nice when "Happy Accidents" happen. Glad the wind started blowing your way today Daniel.
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#27 Cvans ONLINE  

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Posted November 11, 2013 - 12:52 AM

Some people can fall into a pile of parts and come out with just what they need. That had to brighten up your day a little bit.  :thumbs:


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#28 olcowhand ONLINE  

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Posted November 11, 2013 - 08:38 AM

Some people can fall into a pile of parts and come out with just what they need. That had to brighten up your day a little bit.  :thumbs:

 

It sure did!  I was figuring to have to cut a piece of metal, drill the center, then mount a large bolt so I could chuck it in a lathe to machine a plate.  Would have taken a lot of time that I just don't have.  I was shocked when I took that plate & saw the raised ring was a perfect fit into the pulley stack center!


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#29 IamSherwood OFFLINE  

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Posted November 11, 2013 - 08:14 PM

That's nice how that's coming together for you. I'm looking forward

to seeing the rest of this project.



#30 TAHOE ONLINE  

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Posted November 12, 2013 - 12:17 PM

Cool to see things are coming along nicely.

 

I'm like you, I manage to try to sneak an hour or two here and there to get in some GT time. Seems like there's not much to sneak in lately. Most people relax by going fishing or golfing or such.....I relax by working on my projects.


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