More on the SU fuel pump..
I spent 3 hours working on it yesterday and have come to the
following conclusion, I don't know enough about a good one to know if
this one is broken..
If I install the diaphragm but don't bolt it down the electromagnet
will pull the diaphragm up a good distance
If I secure the diaphragm with the screws at the bottom the
electromagnet will only move the diaphragm a fingernails distance no
matter how far in or out it is screwed in.
So what I don't know how to evaluate is:
Is the electromagnet sound?
Is the return spring strong enough?
Is the diaphragm too thick or not resilient enough?
any ideas folks?
.. and thanks for all the help so far!
Lester
On Apr 15, 2007, at 11:03 AM, Lester wrote:
> Yeah there's that.. but I just spent a week or two converting this
> thing BACK to the proper engine and the proper electrical system (Gen
> vs Alt) and the proper cooling system (Later engine won't allow that
> and I tired of black pipe plumbing in the engine bay) and now it's
> down to the fuel pump...
>
> ..it's that adjusting the throw thing that concerns me..
>
> Lester
>
> On Apr 15, 2007, at 12:03 AM, Robert Webb wrote:
>
> > I have found that the more you exercise your right arm, the further
> > you
> > can throw it when it fails.
> >
> > Bob, Troutdale, OR
> >
> > When you take the cover off, and look at the manual, it looks
> straight
> > forward, set the gap, adjust the throw, and go.
> >
> > --- In bugeye@yahoogroups.com, Lester Ewing <lewing@...> wrote:
> > >
> > > Hello all,
> > >
> > > I am working on an SU Fuel Pump for an old SAAB. I have no
> > > experience with them at all. I have all the bits but I know that
> > > adjustment is the real bear. I have the factory SU manual but no
> > way
> > > to translate it into uhh.. American. i have several old SAAB
> > manuals
> > > but they seem to be similarly difficult to understand.
> > >
> > > So, what tricks are there what pitfalls, what newbie mistakes?
> > >
> > > Thanks all,
> > >
> > > Lester
> > >
> >
> >
> >
>
> [Non-text portions of this message have been removed]
>
>
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