Don
The index marks are most likely out of alignment with the true rate of
expansion of the coil at this age anyway. John twist of University motors
fame has a three part YouTube video series on how to test this and remark
the choke housing to get this set up right. He also shows sanding down the
mating surface of the housing to remove any cupping that has formed over
time. do this also. Inside the chokes piston tube is a brass cylinder that
uses two o-rings that get old and leak causing a rich running condition. I
will have to dig up the article and send you the link. It's on my work
computer and won't be back to it until Monday.
http://www.youtube.com/user/Universitymotorsltd#p/u/89/L5GveCj3Hck
http://www.youtube.com/user/Universitymotorsltd#p/u/88/QTFbwcxc5eI
http://www.youtube.com/user/Universitymotorsltd#p/u/87/CZ1nr1WroRs
Here are a couple of other ZS articles
http://www.theautoist.com/zs_water_chokes.htm
http://www.sterlingbritishmotoringsociety.org/files/zenith%20stromberg%20tech%20tips.pdf
----- Original Message -----
From: "Don Herrick" <dbherrick@gmail.com>
To: <spridgets@autox.team.net>
Sent: Thursday, October 29, 2009 6:50 PM
Subject: [Spridgets] Auto-choke question 1500
> OK, my first post so please be gentle.
>
> Midget 1500 1979, CA emmissions -- I am reassembling original carb &
> manifold after removing a Weber.. Have Bentley and Haynes. My question is
> about assembling the auto-choke. I know you need to engage the end of the
> coil to the operating arm and line up the index mark on the water jacket
> with the mark on the auto-choke body. My question is, which way do you
> rotate the water jacket to line up the index marks, clockwise or
> counterclockwise? If you rotate it one way you wind up the coil and if
> you
> rotate it the other way you unwind the coil. It seems to me that you
> would
> end up with very different results! The manuals don't say which way to
> rotate the jacket. Should it just be obvious?
>
> Don in CA
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