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Allis Chalmers Discussion Forum
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WD-WD45 carb flooding

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SSM Dad

12-30-2006 14:05:06




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For weeks now I have been tinkering with the carb on my 52 WD with a WD45 carb MS (TSX 464). Read earlier posts and I have put in a rebuild kit, cleaned with canned spray cleaner, blown out with air, ran small wires through all ports, and installed a new float at 1/4". It still runs gas out breather opening when I crank and tractor won't fire. I have spark at plugs and points. One earlier post said a clogged bowl breather could cause this problem. Where is it located? I see a screen in the bottom of the bowl but it is pressed into the body. It has been painted over.
Any suggestions will be greatly appreciated.

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wilman

12-30-2006 16:28:20




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 Re: WD-WD45 carb flooding in reply to SSM Dad, 12-30-2006 14:05:06  
Sounds like the carb is flooding it self. Does this happen with the tractor just sitting there with the gas on or does it just do it while you are trying to start it? If it is flooding it self while just sitting there with the gas on, it is like Old said and it is probably the needle seat and valve or the float hanging up on something. If it only floods it self while you are trying to start the tractor, you probably have a blocked passage inside the carb or something may be out of adjustment. Also, was the tractor running before? You may have something blocking the intake of the carb and the gas/air mixture is not being pulled into the engine.

Wil

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SSM Dad

12-30-2006 19:07:20




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 Re: WD-WD45 carb flooding in reply to wilman, 12-30-2006 16:28:20  
It only floods while cranking. The kit had me set the power adjust and idle adjust one turn out. It doesn't act like I get gas/air into the engine as plugs aren't wet after cranking



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wilman

12-30-2006 19:32:40




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 Re: WD-WD45 carb flooding in reply to SSM Dad, 12-30-2006 19:07:20  
Try setting the idle adjustment(air/fuel adjustment) and the power adjustment out 1 1/2 turns. That is where I start after I have rebuilt a carb. Do you have the carb hooked up to your air cleaner? If you do, try starting the tractor without being hooked up to the air cleaner. Just re read your first post and that is what the other people may have been talking about, a plugged air cleaner. If these suggestions don't work than it is probably something still plugging a small passage way in the carb. Good luck.

Wil

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old

12-30-2006 15:18:32




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 Re: WD-WD45 carb flooding in reply to SSM Dad, 12-30-2006 14:05:06  
The bowl has a vent tube built into the carb, but I have never seen that cause a problem like you have. Another thing to check is the air cleaner and make sure its clean. Also if the seat for the float needle isn't tight it will cause the problem, or a needle that isn't seating as it should be or a sticking float. Any and all of those can cuase your problem

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