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Allis Chalmers Discussion Forum

Model B Throttle Spring

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Steve in N.C.

10-01-2003 15:42:41

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I have a '48 B model that the throttle spring is not hooked on. Where does it hook. I thought one end went to the carburetor throttle arm and the other went to the top stud of the air cleaner but this is not right. This puts too much tension on the arm. Help!

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Stevie in N.C.

10-01-2003 19:36:58

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 Re: Model B Throttle Spring in reply to Steve in N.C., 10-01-2003 15:42:41  
Sorry Rod, I have that spring in place. Maybe this spring belongs elsewhere. Here is a bad discription: The spring itself is larger than the one you showed. It has a long neck on one end with a small attaching hook. The hook on the other end is much larger and is very close to the spring itself. Hope this helps.

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Rod (NH)

10-02-2003 16:06:48

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 Re: Re: Model B Throttle Spring in reply to Stevie in N.C., 10-01-2003 19:36:58  

My '42B only has two springs in the throttle mechanism. One is the short, fat spring on the governor assembly and the other one is the anti-surge spring that I mentioned.

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Rod (NH)

10-01-2003 18:41:39

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 Re: Model B Throttle Spring in reply to Steve in N.C., 10-01-2003 15:42:41  
Hi Steve,

I think this is the spring you are referring to. It is called a link spring and is actually an anti-surge spring.

third party image

Here's a picture of the installation. The long loop end (not seen below) is hooked over the upper manifold stud shown. The round loop end is attached through the hole in the carburetor linkage rod. Shown on '42B.

third party image

third party image Rod

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