generator weirdness

[dhardy1944]

Don,

Thanks for the input. Yes I do have the grandkids, but I am getting
a little work in. I had my gen battery checked and it had two weak
cells, so I replaced it today. With the battery in place but with
quick disconnect open, the voltage reads 13.05 and with the coach
charger on and the disconnect closed, the voltage reads the same.
The coach batteries, with the charger on read about 14.20 volts, so
they are receiving a charge the gen battery is not receiving.

It sounds like Ralph and Don are on to the tech problem. The most
serious part of my problem is me - lack of knowledge in this area.
Ralph mentioned I should have a diode behind the bumper on driver's
side. I did not find it. Any help as to physical location,
descrition of part and/or other parts close to it would be
appreciated. Thanks again to each of you. If Ralph wasn't on the
other side of the state I would already had the coach there. We are
working on a future date for work, but it would be great to get it
fixed here and learn a little in the process.

Dave in Tulsa (84 PT 40)
--- In WanderlodgeForum@yahoogroups.com, "worktohobby"
wrote:
>
> Ernie,
>
> On my 1987 the genset charge circuit is is tied in to the two hot
> terminals on the auxillary battery relay (Genset batter + post,
and
> coach batteries + Post). It is a very simple circuit, a 30 amp
circuit
> breaker in line with a 50 amp diode wired between the previous
> mentioned hot posts. If the diode burns out or the self reseting
fuse
> fails no charge may reach the battery. My genset has no
alternator.
> The main problem with this set up when working is the 0.6 voltage
drop
> accross the diode; the genset battery never sees a decent charge.
>
> On my coach I disconnected the diode/circuit braker and installed
a 50
> amp battery combiner accross the two hot posts. Now whenever
charge
> voltages are present the combiner combines the two coach battery
banks
> (genset/coach) and the genset battery recieves an excellant
charge.
>
> This bus has no battery isolator.
>
> Regards,
>
> Don Duncan
> 1987 PT40
> Beaverton, Oregon
>
>
>
> --- In WanderlodgeForum@yahoogroups.com, "Ernest Ekberg"
> wrote:
> >
> > dave Hardy- 84 PT40, his generator, while running will not
charge
> his
> > generator battery. The inverter on the coach is no help. He can
put
> an
> > aux battery charger on the generator battery and the generator
will
> run
> > from now on- without that the voltage drops and she dies. Anyone
> have
> > ever have the same problem? How about a fix? Thanks, Ernie-
83PT40 in
> > Texas- my generator just leaks diesel- no problem there
> >
>