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Need Help With Carb Problem!


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#16 SawltyDawg OFFLINE  

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Posted April 05, 2012 - 11:09 AM

Im A bit confused here now after doing some research. I think the engine I have is a "AA" Which the info I found says should have a "L26" Stromburg carb Standard Horizontal. But the Carb I Actually have on it is a "L80N" Zenith Standard Up Draft which should be on a "S7D". So Do I have the "Right Motor & Wrong Carb" or "Right Carb & Wrong Motor" for a Bush Hog T-63.

Here is what I am getting my info from

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  • Attached File  carb.pdf   3.53MB   132 downloads


#17 olcowhand OFFLINE  

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Posted April 05, 2012 - 11:37 AM

The S7-D is the correct engine for the T-63. Here's my carb on my all original T-63.

DSC00766.JPG
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#18 olcowhand OFFLINE  

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Posted April 05, 2012 - 11:41 AM

As to the engine, as far as I know, ONLY the Wisconsin S7-D was offered on the T-63, and your engine appears to be correct. Here's the manual:Attached File  T-63.pdf   2.74MB   32 downloads
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#19 SawltyDawg OFFLINE  

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Posted April 05, 2012 - 11:53 AM

Ok But My engine has AA-103 on it. See attached Pic. thats why I am thinking it is the wrong motor

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#20 olcowhand OFFLINE  

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Posted April 05, 2012 - 12:01 PM

Ok But My engine has AA-103 on it. See attached Pic. thats why I am thinking it is the wrong motor


Casting #'s don't specify engine model. Your engine looks to be an S7-D to me.
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#21 SawltyDawg OFFLINE  

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Posted April 05, 2012 - 12:40 PM

Boy I'm not having any luck finding any parts I am missing on Ebay

Edited by SawltyDawg, April 05, 2012 - 12:41 PM.


#22 sacsr OFFLINE  

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Posted April 05, 2012 - 07:11 PM

What are you looking for?
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#23 SawltyDawg OFFLINE  

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Posted April 05, 2012 - 08:43 PM

Flywheel , Shroud, Maybe plate that goes where shifting levers are.

#24 bhts OFFLINE  

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Posted April 05, 2012 - 08:53 PM

I have several s7d's sitting on the shelf if you need parts send me a pm.
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#25 SawltyDawg OFFLINE  

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Posted April 19, 2012 - 09:21 PM

I wish payday would get here I really want to start working on my tractor

#26 SawltyDawg OFFLINE  

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Posted May 09, 2012 - 08:37 PM

Yipee got my parts yesterday. And have started working on it today.

#27 SawltyDawg OFFLINE  

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Posted May 13, 2012 - 08:00 PM

Ok Got it running today without starter fluid. But its still not right. Have to have the choke all the way on and it runs at a very high ide.. Idle screw is backed off all the way. Have adjusted the other 2 screws at all kinds of points. get it to a almost bearable sound level y adjusting the screw at the bottom of the bowl in to about 2 1/2 turn (Turning out raises the rpms). any further and it dies. the higher screw does not seem to make any differance where its set (1/2 to 4 turns).

#28 olcowhand OFFLINE  

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Posted May 13, 2012 - 08:41 PM

If you have the choke full on, and she still runs high idle, then you must be getting air in somewhere.

#29 MH81 ONLINE  

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Posted May 13, 2012 - 08:46 PM

Ok, you've either still got a plugged port (I know, I know... Been there, done that). Or it's sucking air around a gasket.

Since the carb's on the tractor, Start the engine & get it running so you can let go of the throttle. Then take your last can of choke cleaner (with straw) and spray around the gaskets. All the way around. When the engine drastically changes, you found your air leak. Don't forget the one by the block and also spray around the throttle shaft.

If you can't find it, then there's a mixture problem. I recently fought with one that had a crack in the body of the carb. Never did get it to work right, gave up and put on another.

#30 sacsr OFFLINE  

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Posted May 13, 2012 - 08:53 PM

This is same carb that I am having issues being warped

Both of my carbs on my two sd7's were warped. ... One worse than the other..I have tapped and sanded the one that was the worse. Will clean it up tomorrow and see how it works.

I would definitely check this out... All of my areas with gaskets were not flat/square and all needed to be sanded.




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