carburetor screws location idle and fuel air air screw

[amsterdam]

is the idle screw on a 8n ford tractor

 

[J.Wondergem]

is the idle screw on a 8n ford tractor

There was one on a friends 8n.

 

[Powered By IH]

The idle speed screw is on the backside of the carburetor by the governor rod.
The idle air mixture screw is in the front middle of the carburetor. Turn out to lean, turn in to richen the mixture.
The load mixture screw is all the way on the opposite side of the air intake. Turn in to lean, turn out to richen.

 

[scootergmc]

end of the video:

 

[showcrop]

What Powered by IH posted. Many people try to do the idle screw backwards.