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Schebler Carburetor on 1910 Sears


Steve Braverman

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My dad's Sears is acting cranky. It will only run with the choke half closed. I completely disassembled the carb and soaked it in cleaner, so I don't think the jet is clogged. I thought I found a vacuum leak in the intake manifold, but I fixed that, and it still isn't better. This has to be one of the simplest carburetors ever made, but it has me stumped. Any ideas?

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Check the delivery line. If the engine is starving for gas (I'm assuming gravity feed), you may need to choke the carb just to keep the air flow down to match the gas flow. Increase the size of the line to the next diameter and see what happens.

Frank

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Guest imported_Joe Kieliszek

Hello,

Assuming your Schebler is a model D, does it still have the

spring loaded disk valve beneath the choke plate? The carb

will run too lean without it...

Thanks,

Joe

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<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Joe Kieliszek</div><div class="ubbcode-body">Hello,

Assuming your Schebler is a model D, does it still have the

spring loaded disk valve beneath the choke plate? The carb

will run too lean without it...</div></div>

Yes it does, and I've tried adjusting it to no avail. There is also plenty of fuel getting to the carb.

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Guest imported_Joe Kieliszek

Hi Steve,

The only other thing I could think of would be the cork

gasket between the float bowl casting and the cover/

throttle assembly- air leaking through the bowl into

the center...

Thanks,

Joe

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Joe,

You were right on the money. I didn't realize there was supposed to be a gasket there. It must have fallen out or dissolved in the acid bath. I made a new gasket, and the car runs great. I knew it had to be something simple. Thanks!

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Guest imported_Joe Kieliszek

Hi Steve,

I also add a paper gasket (about .015) between the bowl &

cover to prevent dribbling of fuel along the outside of

the bowl; although some sealant would do the trick also

but might make it tricky to get apart.

This year I'm trying a cork float coated with "miracle

paint" on my dad's model 10 Buick- so far, so good!

Thanks,

Joe

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