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Bush Hog Hd-12 Diesel Repower


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#121 olcowhand OFFLINE  

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Posted November 24, 2013 - 05:15 PM

Now that I have her going, I am thinking of putting the factory battery box back in next to the dash tower.  A GT battery doesn't seem powerful enough, and a small fuel tank will fit nicely in the back.  The OE battery box holds a full size auto battery, plus using it will retain more original appearance.


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#122 SupplySergeant ONLINE  

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Posted November 24, 2013 - 05:18 PM

Is Brian bringing you anything on his return trip? He's hauling a couple of plows for me, if he's coming to your place, might save him some time and get to see the HD12 running.



#123 olcowhand OFFLINE  

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Posted November 24, 2013 - 05:31 PM

Kenny, here are close-up pics of the hydro pedal control & friction bolt system.  You can see the extra holes to change ratio.  There are 3, but hard to see all 3.  The tension bolt is 1/2" thread.  The piece of composite material was almost gone, so I removed what was left, then turned down a piece of brass 1/2 round by 1/2" long to serve as friction material, and placed a stiff compression spring between the bolt & the brass.....works great.

 

DSC00073.JPG DSC00072.JPG DSC00071.JPG

 

 


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#124 IamSherwood OFFLINE  

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Posted November 24, 2013 - 05:32 PM

Thanks for the video.

That thing has some umph. Didn't lag the engine at all, when you

poured it to the hydro, and the wheels spun.


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#125 olcowhand OFFLINE  

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Posted November 24, 2013 - 05:34 PM

Is Brian bringing you anything on his return trip? He's hauling a couple of plows for me, if he's coming to your place, might save him some time and get to see the HD12 running.

 

Yes, he's bringing me my Bush Hog V4-8 I had up at George's place.  Glad to store the plows till you can come down.  You might want more bales anyway?


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#126 SupplySergeant ONLINE  

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Posted November 24, 2013 - 05:38 PM

I should be able to meet him at your place, I'm off henext few days. I'll try to bring the trailer for some more bales, the critters all love that stuff!



#127 olcowhand OFFLINE  

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Posted November 24, 2013 - 05:41 PM

I should be able to meet him at your place, I'm off henext few days. I'll try to bring the trailer for some more bales, the critters all love that stuff!

 

Shooting for Tuesday morning around 9am.


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#128 KennyP ONLINE  

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Posted November 24, 2013 - 06:20 PM

Kenny, here are close-up pics of the hydro pedal control & friction bolt system.  You can see the extra holes to change ratio.  There are 3, but hard to see all 3.  The tension bolt is 1/2" thread.  The piece of composite material was almost gone, so I removed what was left, then turned down a piece of brass 1/2 round by 1/2" long to serve as friction material, and placed a stiff compression spring between the bolt & the brass.....works great.

 

attachicon.gifDSC00073.JPGattachicon.gifDSC00072.JPGattachicon.gifDSC00071.JPG

That's pretty neat! Not sure if I could make something like that work or not. My pedal shaft will have to be below the foot boards.



#129 olcowhand OFFLINE  

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Posted November 24, 2013 - 06:40 PM

That's pretty neat! Not sure if I could make something like that work or not. My pedal shaft will have to be below the foot boards.

 

Wouldn't have to have the tension bolt pointing upwards.  You could point it down or forward.  Now that I will likely put the fuel tank in back, I will simply weld a short 3" long round rod to the top of my tension bolt so I can adjust without a wrench.  I am going to add a similar system to Hogzilla so I can add a hand control handle like the HD has.


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#130 olcowhand OFFLINE  

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Posted November 24, 2013 - 06:57 PM

  I was going to install a manual type temp gauge, but the hole in the water pump isn't deep enough, so I'll have to build my own adapter later.  

 

Found the adapter I need is readily available, so I'll pick one up asap.  I am definitely going with the electric radiator fan I got with my radiator.  There is a drain plug at the bottom of the radiator that also serves as a port for a radiator fan switch.  Have to get the switch  Then I'll simply put window screen on the radiator on the engine side to keep trash out of the cores. Heat will go out the front, keeping much of the heat off me.  Right now though, the heat would be nice!  


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#131 KennyP ONLINE  

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Posted November 24, 2013 - 07:24 PM

Put the fan on the front side in the winter!



#132 olcowhand OFFLINE  

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Posted November 24, 2013 - 07:26 PM

Put the fan on the front side in the winter!

 

Actually, I'm pretty sure the fan is reversible, but I don't plan to risk the fan blowing something into the aluminum radiator.  But then I could wrap the whole radiator core all the way around with window screening.



#133 Cvans ONLINE  

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Posted November 24, 2013 - 07:39 PM

  Your fan switch is on the bottom of the radiator,Really? That's kind of unusual. Would think that your going to have to have a fairly low temp. switch. I usually solder a fitting into the radiator somewhere between the cap and the core so it's in the warmest water. 

See in one of your photos that you like using those serrated washer head nuts also.  I think they are great and use them a lot. The bolts come in handy also.



#134 olcowhand OFFLINE  

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Posted November 24, 2013 - 07:53 PM

  Your fan switch is on the bottom of the radiator,Really? That's kind of unusual. Would think that your going to have to have a fairly low temp. switch. I usually solder a fitting into the radiator somewhere between the cap and the core so it's in the warmest water. 

See in one of your photos that you like using those serrated washer head nuts also.  I think they are great and use them a lot. The bolts come in handy also.

 

No fan switch at all on it yet, but the port is there for one.  My radiator that came with the Yanmar diesel off a John Deere Gator has it's OE fan switch on the bottom also.


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#135 Cvans ONLINE  

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Posted November 24, 2013 - 08:51 PM

 

 

My radiator that came with the Yanmar diesel off a John Deere Gator has it's OE fan switch on the bottom also.

I'm still learning. Thanks

One big advantage to this is if your coolant is low your fan will still cycle. Seems a lot of engines have them right above the thermostat housing also. 






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