accelerator pump??

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Feb 02, 2012 14:23:55
Jimmy B

32-36dgv... does fuel collect in my accelerator pump diaphragm and then when pumped get pushed up to the throat? All im getting is air and its a new pump... how does fuel get to the diaphragm and spring?

Feb 02, 2012 14:28:12
RAY 67 TOURER

It's sucked from the fuel bowl, past a one way check valve. Make sure the check valve is functioning and not gummed up. RAY





Feb 02, 2012 14:30:08
Jimmy B

Where is the check valve?

Feb 02, 2012 14:44:50
RAY 67 TOURER

There's one under the fuel pump discharge tube. It can be unscrewed, from the top of the carb, and cleaned out. RAY

Feb 02, 2012 15:53:41
Jimmy B

I'm good from the accelerator pump to the jet (AIR ONLY) .. I'm not getting any fuel from the bowl to the accelerator pump...

Feb 02, 2012 20:05:46
mac townsend

I'd suggest you investigate further how your carburetor works. There are books ...

Feb 02, 2012 20:28:26
Jimmy B

Mac, thanks for that bit of knowledge. I agree there are books...

Feb 03, 2012 17:21:49
Jimmy B

UNCLOGGED!!!! WOW! MUCH BETTER NO HESITATION ON ACCELERATION....

Feb 03, 2012 18:32:37
James74

I would change the fuel filter if you have not done so already. Webers hate dirt..

Feb 03, 2012 18:54:20
Jimmy B

Just put in new fuel tank and fuel lines with filter... being a B owner keeps you in check ...lol

Feb 04, 2012 13:29:04
RAY 67 TOURER

If you're interested, Haynes has a book that covers just about all Weber carburetors. The title is: Weber Carburetors, Owners Workshop Manual. It's printed in England and covers, in great detail, everything you could ever want to know about Webers and how they work. It also lists all the jet sizes used as stock and what jets to install when installing a Weber on a car that originally came with a different carburetor. A must have for anyone really into Weber carburetors and what makes them tick. RAY

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