Another generator problem? Two questions?

[thomas_sorrentino]

Ralph,

I checked the voltage on the small terminal on the starter solenoid.
0 vdc, when I hit the start switch. Next step please?

Tom Sorrentino
1987 PT38
Bedford Hills, NY


--- In WanderlodgeForum@yahoogroups.com, "thomas_sorrentino"
wrote:
>
> Ralph,
> When I push the start switch, there is no sound, no clicking, no
fuel
> solenoid pulling in, no fuel pump running--nothing. I will check
> voltage on the starter solenoid and let you know.
> Thanks
> Tom Sorrentino
> 1987 PT38
> Bedford Hills, NY
>
>
> --- In WanderlodgeForum@yahoogroups.com, "Ralph L. Fullenwider"
> wrote:
> >
> > When you push the start switch, with the gen set open so you can
> hear, you
> > should hear some clicking in the engine area. What you want to
know
> is if
> > the fuel solenoid is
> > pulling
> > and you should also hear the fuel pump running. If the start
> solenoid
> > checks out ok then we go to the 1CR rely. But first things first.
I
> will be
> > home tomorrow if you want to call, I can walk you through it,
step
> by step.
> >
> > Safe travels,
> >
> > Ralph and Charolette Fullenwider
> > 84FC35
> > Ralph's RV Solutions, Duncan, Oklahoma
> >
> > At 06:32 PM 5/27/2007 -0500, you wrote:
> > >Yes, to check the coil of the solenoid. You should have 12 vdc
> showing on
> > >the meter with the wire attached, if you see only about 7vdc
then
> remove
> > >the wire from the terminal and check voltage.
> > >
> > >Ralph
> > >
> > >At 11:22 PM 5/27/2007 +0000, you wrote:
> > > >Ralph,
> > > > I will check that tommorrow and let you know. Just to make
> sure I
> > > >understand you correctly, you want me to put the volt meter on
> the
> > > >small terminal of the start motor solenoid and see if 12vdc is
> there
> > > >when I push the start switch?
> > > >
> > > >Tom Sorrentino
> > > >1987 PT38
> > > >Bedford Hills, NY
> > > >
> > > >--- In WanderlodgeForum@yahoogroups.com, "Ralph L. Fullenwider"
> > > > wrote:
> > > > >
> > > > > Tom:
> > > > >
> > > > > I have seen the temps go from 190 to about 210 F, perhaps a
> > > >radiator
> > > > > cleaning but that is not your problem.
> > > > >
> > > > > When you push the start switch C relay closes completing a
> circuit
> > > >from
> > > > > 12vdc to ground through normally closed contacts of the CR
> relay.
> > > >When the
> > > > > C relay pulls in, it closes a set of C relay contacts to the
> > > >starter
> > > > > solenoid. When the starter solenoid pulls, it closes a set
of
> > > >contacts to
> > > > > the fuel solenoid and supplies a flash voltage to the
field.
> also a
> > > >set of
> > > > > contacts close and supplies voltage to the starter motor.
As
> the
> > > >starter
> > > > > motor turns over and the gen set starts the starter
solenoid
> opens
> > > >and
> > > > > another set of contacts in the start solenoid continues to
> supply
> > > >voltage
> > > > > to keep the fuel solenoid energized.
> > > > >
> > > > > It sounds like your starter solenoid is faulty. The is the
> one on
> > > >top of
> > > > > the starter motor proper. Check it with a meter, you should
> have 12
> > > >vdc on
> > > > > the small post, if only 7 vdc on that wire then the coil of
> the
> > > >start
> > > > > solenoid is bad. Remove the small wire to the small post
and
> check
> > > >the
> > > > > voltage again to prove it out. If disconnected and you have
> 12 vdc
> > > >when the
> > > > > switch is pushed, will prove the start solenoid being bad.
> > > > >
> > > > > Safe travels,
> > > > >
> > > > > Ralph and Charolette Fullenwider
> > > > > 84FC35
> > > > > Duncan, Oklahoma
> > > > >
> > > > > At 05:26 PM 5/27/2007 +0000, you wrote:
> > > > > >We had an un seasonable hot weekend here and I was running
> the gen.
> > > > > >with all three A/C's on. I have the yanmar with the 12.5kw
> kohler.
> > > > > >Water temp. was runing slightly below 220 degrees (which I
> haven't
> > > > > >seen that high before). Since this is my first summer with
> the
> > > >coach,
> > > > > >my first question is to the guys with yanmars. What kind
of
> water
> > > > > >temp. do you see on yours when running the gen. fully
loaded
> on a
> > > >92
> > > > > >degree day?
> > > > > >
> > > > > >While we were in the store for a 1/2 hr or so, came out
and
> the
> > > >gen.
> > > > > >was off. None of the start switches will do anything, no
> clicking,
> > > > > >nothing. The fuse is good. With the water temp. cooled
down,
> I
> > > > > >disconnected the hot water shutdown, still no cranking. If
I
> hot
> > > >wire
> > > > > >the fuel solenoid with a jumper and jump it at the starter
> the gen.
> > > > > >starts fine, runs and produces voltage. I just started
> looking at
> > > >the
> > > > > >schematics for the control box and I'm thinking it might
be
> one of
> > > > > >the relays in there. They're labeled CR, C, 1CR and 2CR.
Am
> I on
> > > >the
> > > > > >right path here? And would anybody know which one would
give
> me
> > > >these
> > > > > >symptoms? I'm pushing the limits of my abilities here!
> > > > > >Thanks
> > > > > >
> > > > > >Tom Sorrentino
> > > > > >1987 PT38
> > > > > >Bedford Hills, NY
> > > > > >
> > >
> >
>