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Farmall & IHC Tractors Discussion Forum
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656 manifold question

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matt in pa

04-28-2006 04:34:00




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Mornin',
We are reassembling the 656U with a 263 gas, and we noticed some kind of weighted arm on the backside of the manifold Looks like it might be some kind of choke, but we really have no idea what it does. Nothing attaches to it (maybe something should?) and it seems to move pretty freely. Can someone tell me what this thing is and if it is supposed to be attached to something else?
Thanks.

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Allan In NE

04-28-2006 04:45:52




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 Re: 656 manifold question in reply to matt in pa, 04-28-2006 04:34:00  
Matt,

That is the weight for the internal heat riser. Shaft should be "thermal-sprung" on the outside face of the manifold.

When the engine is cold, this thing re-routes the exhaust around the intake to warm up the intake and carb.

Allan



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matt in pa

04-28-2006 06:38:58




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 Re: 656 manifold question in reply to Allan In NE, 04-28-2006 04:45:52  
That makes sense.
I don't remember seeing anything on the outside face of the manifold, but I will look tonight.
Thanks for the information, Allan.



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