Another generator problem? Two questions?

[thomas_sorrentino]

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
> > > > >
> >
>