TeriAnn, I lost one of the thumb-screw brass covers from a 40DCOE during an
autocross run once!
Joe
TeriAnn Wakeman wrote:
>
> >The locking tab that was supposed to keep the
> >screw in place was still on the carburetor (the carburetors were bought new
> >and were perhaps a year old). These screws are also drilled for safety
> >wire. And because the screws are not "torqued down" like normal screws
> >(because they hold a thin and somewhat fragile venturi in place, the locking
> >tabs don't work very well. I would suggest that these screws should always
> >be safety wired The safety wire will definitely keep the screws in place.
>
> I have heard that story from a few people now. I guess I should update
> my Weber web page to provide that bit of advice.
>
> I've also noticed that on race vehicles the top cover is almost always
> drilled and wired as well. I've never figured if the cover ever comes
> off on its own or if it is a requirements of some race associations.
>
> Oh well I guess I need to update the page again...
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