Fuel delivery on 3208 and coolant check questions

[Jeff Miller]

What Mike said.

The 3208 does self-purge a little air as it returns extra fuel to the
tank by pushing the fuel out of the top of the IP, but not much.
Enough to create a bubble in the IP's pump and it won't suck fuel.

If you have a very small leak it will probably not be evident while
running, until the fuel filter restricts flow then you'll fill the
system with air from that small leak.

The later FCs with the electric pump at the tank are more forgiving,
a worthwhile addition, run it from the oil pressure sender and a
relay.

- Jeff Miller
in Holland, MI


--- In WanderlodgeForum@yahoogroups.com, "davidkerryedwards"
wrote:
>
> I think that explains what was going on. Mine probably does not
> have a pusher pump and it took a revolution or two for the lift
pump
> to fill up the lines from a little air getting in overnight. I'll
> fix the leak and see what happens.
> There is a record in the blue box of the original owner having it
> checked for a fuel leak. It was all done while running with a
> pressure gauge. From the drip I saw, I suspect the leak is very
> small but just enough to let air in and fuel drain back towards the
> tank from the high point overnight.
> I expected the engine to kick off on the first compression stroke.
>
> Kerry
>
> --- In WanderlodgeForum@yahoogroups.com, "Mike Hohnstein"
> <MHOHNSTEIN@> wrote:
> >
> > The injector pump has an integral lift pump and it's good to have
> a pusher pump to help. You need a pressure/vacuum gage on the fuel
> line. The point where it connects to the injector pump. Pusher
> pumps are located behind the rear axle on the inner frame rail on
> FCs. As yours was a NA it might not have one. The copper line is
> marginal in diameter and flex lines can be a problem letting in
> air. Consider the fuel column as a hydrualic brake system, a
little
> air is real bad. You probably know that as a diesel owner.
> > Mike Hohnstein
> > ----- Original Message -----
> > From: davidkerryedwards
> > To: WanderlodgeForum@yahoogroups.com
> > Sent: Tuesday, March 07, 2006 9:15 AM
> > Subject: [WanderlodgeForum] Re: Fuel delivery on 3208 and
> coolant check questions
> >
> >
> > I did have the block heater on when I fired it up. Perhaps
that
> many
> > revolutions is normal. I'm used to glow plugs on my Mercedes.
> But it
> > did fire on one or two cylinders first, which made me think it
> was
> > starved for fuel. I had noticed the slight fuel drip prior
> during my
> > purchase inspection.
> >
> > Kerry
> >
> > --- In WanderlodgeForum@yahoogroups.com, erniecarpet@ wrote:
> > >
> > > Kerry- did you have your block heater on before you fired her
> up?
> > Ernie-83
> > > pt40 in louisiana
> > >
> > >
> > > [Non-text portions of this message have been removed]
> > >
> >
> >
> >
> >
> >
> >
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