[AT] 430V update

Stephen Offiler soffiler at gmail.com
Tue Jan 23 13:09:48 PST 2018


Interesting.  How about vinegar instead of lemon juice?  (per your comment
about the sugars)

SO


On Tue, Jan 23, 2018 at 3:35 PM, Spencer Yost <yostsw at atis.net> wrote:

> The old timers swear by boiling carbs, using something acidic instead of
> water if there is rust.   Lemon juice definitely works but requires a rinse
> boil to get the sugars off of it.  Preferably two rinse boils.   So it's
> time consuming.
>
> If rust isn't a problem I just dip them in my  NAPA carb dip.   If it is I
> will dip them per normal(430V carb is in the can now) and then do the boil
> after getting as much carb dip reside off as I can.
>
> One thing I have noticed by boiling. You know that thin, fine grained
> scale/sediment that is like concrete in the bottom of the bowl that the dip
> never really gets out? Boiling will get that.
>
> Spencer Yost
>
> > On Jan 23, 2018, at 10:02 AM, Gunnells, Brad R <brad-gunnells at uiowa.edu>
> wrote:
> >
> > Yeah that's a nice feeling when everthing comes apart without stripping
> or breaking something.
> >
> >
> > What is the lemon juice boil? I've never heard of that trick.
> >
> >
> > Brad
> >
> > ________________________________
> > From: at-bounces at lists.antique-tractor.com <at-bounces at lists.antique-
> tractor.com> on behalf of Spencer Yost <yostsw at atis.net>
> > Sent: Monday, January 22, 2018 8:34:29 PM
> > To: at at lists.antique-tractor.com
> > Subject: [AT] 430V update
> >
> > The carb rebuild has started.   I was clearly right in that somebody has
> been in the carburetor recently. There's a rebuild kit in it, but a couple
> of important components were not replaced. The throttle bushing was old and
> probably was a little looser than I had thought. One jet was not seated all
> of the way, and the float clearly is not adjusted correctly.  Also the
> water leak that froze the cylinder also put some water in the carburetor.
> So there was some rust in two passages, partially clogging  them.
> >
> > I may have to do a lemon juice boil for the rust.   It was reasonably
> localized and minor so we'll see after I soak it and hand twist a drill bit
> in the passages.   I fortunately have drill bits the exact correct size.
> >
> > PS. All the jets (and all the parts for that matter)came out easily.  A
> first for me. (-;
> >
> > Spencer Yost
> >
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