Wild Generator Oil Pressure

[Leroy A. Eckert]

--- In WanderlodgeForum@yahoogroups.com, "Gus" wrote:

Look at post 32799; that is probably the problem if you do not have a
generator alternator.
Leroy Eckert
1990 WB-40 Smoke N Mirrors
Dahlonega, GA
>
> After charging the battery externally 12 hours it finally reached a full
> charge. I thought it may have had a bad cell, but it's ok. I
installed it
> and started the generator. It started up fine just like it always
had in
> the past. All the gauges seem to be working properly. I paid close
> attention to the oil pressure and it indicated in it's normal range.
The
> switch was not dim as before and I was able to shut it down and
power it up
> from all the switches. I believe the low voltage in the battery is what
> caused the wild readings as was suggested. I have not checked the
ground to
> the gauge yet but intend to.
>
> I still don't understand why the battery is not being charged. Is it
> supposed to be charged by the generator as I'm going down the road
or is the
> charger/inverter supposed to do it? Even if nothing is charging it,
would
> the voltage be consumed after 15hours of runtime? What is consuming
it? I
> thought that the battery was only needed to start (and now obviously
stop)
> the generator.
>
>
>
> Does anyone have any suggestions as to how I can keep it charged
while I'm
> on the road? It is a dedicated battery for the genset.
>
> In the past I have been using a small battery charger while it sits. I
> didn't have any problems with that set-up because I had not taken
the bus
> out for any extended runs. My trips had always been relatively short.
>
>
>
> Thanks for all the info and suggestions. I'm still relatively new
to bird
> ownership but I'm learning thanks to all the support I get from the good
> people in this group.
>
>
>
> Gus Rodriguez
>
> 89 pt40 8v92
>
> Pearland, Texas
>
>
>
> From: WanderlodgeForum@yahoogroups.com
> [mailto:WanderlodgeForum@yahoogroups.com] On Behalf Of Gregory OConnor
> Sent: Tuesday, August 05, 2008 4:07 PM
> To: WanderlodgeForum@yahoogroups.com
> Subject: [WanderlodgeForum] Re: Wild Generator Oil Pressure
>
>
>
> some times a high oilpressure at low idle followed by a drop off to
> less than idle reading but more than normanl as you increase rpm
> proves the relief is being used in the filter. you would think
> Chatter in the gauge is also an indication but i dont think the
> pressure can fluctuate fast?? when a filter gets dirty quick, it
> could be a bearing got ate up and clogged the filter media.
>
> Your situation sounds like a battery ground especially if the
> genset is started by a dedicated battery. for it to be an alt issue
> that kills the battery while the engine is running, the fuel shut
> off would close and stop the genset. Since the genset ran on a
> battery either dead or not connected properly, the alt must have
> been supplying the juice to keep the fso open?????? it would be
> helpfull to know if the battery was actually dead, if not it could
> be just a bat terminal issue
>
> I guess the relay power to throw the fso is via the genset
> battery???? cant understand why you could not remove power to the
> fso??? you would think that relay is normaly closed?????
>
> GregoryO'Connor
> 94ptRomolandCa
>
> --- In WanderlodgeForum@yahoogroups.com
> , "Leroy A. Eckert"
> wrote:
> >
> > --- In WanderlodgeForum@yahoogroups.com
> , "freewill2008"
> > wrote:
> >
> > You can easily check the gauge function for integrity by going
> here.
> > http://downloadingfiles.co.uk/teleflexfi...0Pressure%
> <http://downloadingfiles.co.uk/teleflexfi...ressure%25>
> 20Systems.pdf
> > Leroy Eckert
> > 1990 WB-40 Smoke N Mirrors
> > Dahlonega, GA
> > Royale Conversion
> > >
> > > Hi Gus -
> > >
> > > The oil pressure guage is surely electric. The genset engine
> > > controls would also be electric and possibly electronic.
> > >
> > > Now, you also mention the battery is low or dead. Your
> electric
> > > guages and engine controls will certainly be erratic if the
> voltage
> > > is wrong.
> > >
> > > Try charging (and doing whatever is needed to KEEP a charge) and
> then
> > > see how everything works.
> > >
> > > Best of luck.
> > >
> > > Bob Griesel '84 FC31 WLII WA
> > >
> > > --- In WanderlodgeForum@yahoogroups.com
> , "Gus" wrote:
> > > >
> > > > Hello everyone,
> > > >
> > > >
> > > >
> > > > On my last trip, I noticed the generator oil pressure
> bouncing
> > > wildly
> > > > between 80 & 120. I did not notice it creep up. It had been
> just
> > > under 30
> > > > psi for most of the trip (15hours). Water temperature was at
> 160
> > > F. I was
> > > > alarmed so I hit the switch to turn it off. It did not shut
> down.
> > > I pulled
> > > > over, opened the generator bay and access to the controls. I
> hit
> > > the off
> > > > switch at the box and nothing. The engine did not feel too
> hot to
> > > the
> > > > touch. The radiator and the coolant reservoir did not feel
> too hot
> > > either.
> > > > I was still alarmed so I pulled the fuse to shut it down. I
> > > reinserted the
> > > > fuse and tried to start it, but was unsuccessful. I then
> checked
> > > the
> > > > battery and it was dead.
> > > >
> > > >
> > > >
> > > > Other information:
> > > >
> > > >
> > > >
> > > > 1) I had just replaced the battery and was aware that the
> > > battery was
> > > > not being charged by the battery charger or the generator.
> > > >
> > > > 2) As I was trying to shut the generator off, I noticed
> that
> > > the switch
> > > > was lit dim. Is that because the batt. Was dead (8 volts)?
> > > >
> > > > 3) As I was checking the battery, I felt a very small
> > > electric charge
> > > > on my left knee which was touching the bus frame. Should I be
> > > concerned? I
> > > > will investigate that charge further tomorrow morning. It may
> be
> > > unrelated.
> > > >
> > > > 4) I am now charging the battery so I can try to start
> the
> > > generator in
> > > > the morning. I think it will start but I will not let it run
> for
> > > long until
> > > > I figure out the Pressure problem. Is battery voltage
> required to
> > > shut it
> > > > off?
> > > >
> > > > 5) Right now all the gauges read zero except for the oil
> > > pressure.
> > > > The needle is stuck at 60 psi.
> > > >
> > > > 6) By the way, I have a 13 kw generator with a Yanmar
> engine.
> > > >
> > > >
> > > >
> > > > Any help is greatly appreciated.
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > Gus Rodriguez
> > > >
> > > > 89 pt40 8v92
> > > >
> > >
> >
>