I believe the small vacuum fitting on the underside of the oval air cleaner
goes to the inlet (cold) side of the hot air choke for the carburetor. It
provides â??cleanâ?? air that gets pulled through the exhaust manifold
automatic choke tube to the hot air choke. If you have an electric choke, you
can put a vacuum on this fitting.
Please refer to Sunbeam 260-289 workshop manual, section B, page 6, figure 6
â??automatic choke heat chamberâ?? - The vacuum hose from the underside of the
oval air cleaner goes to the â??air inlet tubeâ?? labeled â??from clean side of
air cleanerâ??.
-Gary
> On Oct 16, 2018, at 2:15 PM, Joe Brown via Tigers <tigers@autox.team.net>
> wrote:
>
> Hi,
>
> On the oval style air cleaner base there are two hose fittings. The larger
> one goes to the air breather on the driver's side valve cover. What does the
> small fitting hook up to? Vacuum advance on the distributor?
>
> Thanks,
> Joe Brown
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