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weber float setting
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joemama
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PostPosted: Fri May 28, 2010 4:44 pm    Post subject: weber float setting Reply with quote

weber 40IDF, what should the float setting be, this is for dual 40IDF on a 1915. What is the procedure for setting the floats
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Dale M.
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PostPosted: Fri May 28, 2010 4:50 pm    Post subject: Reply with quote

10 mm for close, 32 mm for max travel for open...

http://www.piercemanifolds.com/category_s/317.htm

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runamoc Premium Member
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PostPosted: Sat May 29, 2010 6:29 am    Post subject: Reply with quote

Quote:
weber 40IDF, what should the float setting be

Measure it while holding the 'top' vertical and the float just touching the needle valve. I use the shank end of a 10mm drill bit for a gauge.
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joemama
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PostPosted: Sat May 29, 2010 8:26 am    Post subject: Reply with quote

just want to make sure I got this right, hold the top vertical (up and down),, and push the float until it just touches the needle, not hold it horizontal and let the weight of the float rest against the needle?
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Dale M.
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PostPosted: Sat May 29, 2010 8:55 am    Post subject: Reply with quote

Yep....

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runamoc Premium Member
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PostPosted: Sat May 29, 2010 8:56 am    Post subject: Reply with quote

Quote:
and push the float until it just touches the needle

Actually you don't have to push or touch the float. Hold the 'top' of the carb. so the float hinge is up. Move the 'top' back and forth a little so the float touches the needle valve and not touching. At the right amount of tilt where it just touches the needle valve, the part of the float, at the bottom, should be 10 mm from the 'top' of the carb.
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74 Thing
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PostPosted: Sat May 29, 2010 10:55 pm    Post subject: Reply with quote

Yes hold the float verticle (ie like the door hinges in your car) then swing the float until it just touches the needle but does not compress the spring (I use a metric allen wrench of the correct size to gap it correctly).
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