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Started Working On The Bush Hog Hd-12

bush hog hd-12 wisconsin hydro

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#211 NUTNDUN OFFLINE  

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Posted June 04, 2013 - 06:54 PM

I figured I would post a small update on the progress. I did pick up a Kohler 16hp and got it set in place. Had to rotate the oil pan 180 degrees so the drain outlet was on the correct side and give the motor enough room to line up. Two of the mounting holes already lined up and I drilled the two other holed. I have a short oil dipstick coming from Joes outdoor power so I can fit the battery box. Once everything is hooked up and I know the engine runs good I am going to pull it back out and put all new gaskets in it and repaint it. Sent from my HTC One using Tapatalk 4 Beta
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#212 sacsr OFFLINE  

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Posted June 04, 2013 - 07:47 PM

Good to see you are getting to work on it again!  If you decide you like the Kohler better and want to sell the S12D.....let me know.......



#213 olcowhand ONLINE  

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Posted June 04, 2013 - 07:51 PM

I'm sure you'll love the Kohler if she runs well.  LOTS more power!  



#214 NUTNDUN OFFLINE  

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Posted June 04, 2013 - 08:03 PM

I tried to add the pics earlier but tapatalk wasn't letting me. I think they are working now. Here is two pics I snapped with the phone today.

Sent from my HTC One using Tapatalk 4 Beta

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#215 Cat385B ONLINE  

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Posted June 04, 2013 - 08:40 PM

Looking good.

 

Is that a cot I see in the corner? Who's sleeping in the garage, George?



#216 chris m ONLINE  

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Posted June 04, 2013 - 09:28 PM

That looks great in there! Good luck with it :thumbs:

 

Now if you chain it to the stump it will probably rip it out of the ground :D



#217 NUTNDUN OFFLINE  

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Posted June 08, 2013 - 05:38 PM

Got a chance to get some shop time today. Managed to get the engine hooked up and running. Also got the wiring done except I plan on moving the coil at some point and the charging system works. Found a regulator laying in a box of parts. Almost looks like the same one that is used on the JD 316.

 

I think I may have to pull the engine apart though and try and figure out what might be up with the governor though. Before I go that route I am going to pull the carb apart and make sure everything is clean and the float level is good. The engine runs good and no smoke but it doesn't seem like the governor works and it is almost like it is either idle or full throttle. There is more leverage so to speak with my throttle on the Bush Hog than there is on the Kohler. Just a 1/4" movement and the engine is at half throttle.

 

I need to get a tachometer, I have one of the viba-tachs I will try putting on it tomorrow. The engine doesn't have a high speed stop on it so I will have to see about making one up. I will also try and get some video tomorrow of it running. I will say it is definitely stronger than the Wisconsin that was in it. I actually scared myself a little bit. I wanted to try it on the small hill that I tested the Wisconsin on before by having the motor about half throttle and putt up the hill and half way up mash the hydro pedal. I did it today testing the Kohler out and it yanked the front end off the ground and the motor never missed a beat.

 

Other than what might be going on with the governor I love having the Kohler in the Bush Hog.


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#218 Texas Deere and Horse OFFLINE  

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Posted June 08, 2013 - 05:50 PM

I knew you would like that Kohler power. did it surprise you when it lifted the front end off the ground.



#219 NUTNDUN OFFLINE  

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Posted June 08, 2013 - 05:53 PM

Yes it was a little surprising especially since I was going uphill which made it feel like it went higher than it did.

 

Later I was cruising around and came to a stop, mashed the hydro from a dead stop on flat ground and it yanked the front wheels off the ground about a foot. If I would have tried that with the Wisconsin it would have puked. 

 

Be nice to pull the Wisconsin apart and see what was up with it but even if it was running like a top I still don't think it is enough motor for the HD-12.


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#220 MH81 ONLINE  

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Posted June 08, 2013 - 06:36 PM

So, that nice OEM seat isn't as white as it used to be?

#221 olcowhand ONLINE  

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Posted June 08, 2013 - 06:50 PM

Good to hear you got shop & seat time (air time).   :D   Good for the soul!



#222 NUTNDUN OFFLINE  

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Posted June 08, 2013 - 07:14 PM

If I can't figure anything else out with the governor tomorrow I will try and get a video of how it is behaving and see what you guys think. I am hoping it is just a matter of the carb needing a good cleaning causing it to act goofy.



#223 sacsr OFFLINE  

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Posted June 09, 2013 - 04:25 PM

George I was looking at your picture and noticed your pto handle is actually for the rear pto and not the front pto.image.jpg image.jpg

Edited by sacsr, June 09, 2013 - 04:27 PM.


#224 NUTNDUN OFFLINE  

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Posted June 09, 2013 - 04:37 PM

Yes my handle only goes to the rear pto. I don't have anything to go to the front. I do have the bracket that is at the front that would hold the pivot for the clutch pressure.



#225 NUTNDUN OFFLINE  

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Posted June 09, 2013 - 04:44 PM

I pulled the carb apart today and cleaned it out. There was some crud in there and got it back together. It runs a little better but the governor definitely needs attention. Has to be something with the governor gear and flyweights. If I would put an idle return spring on the carb shaft I am sure it would help to keep the engine from going higher in rpms than where the throttle is set but if the governor was working correctly than it shouldn't need the return spring.

 

It also doesn't pick up speed after a load has been applied to it and I tried checking to see if it had resistance when using my finger to push on it and there wasn't any resistance. 

 

I did manage to plow the garden with it though :D

 

I ordered a gasket set and a governor gear / flyweight assembly. Should be here on Thursday. Going to get some more sand for the blaster and clean the motor up for a new paint job after tear down. Hopefully when I put this one back together it doesn't make any funny noises :D







Also tagged with one or more of these keywords: bush hog, hd-12, wisconsin, hydro

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