Wild Generator Oil Pressure

[amweath]

--- 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


Gus

I had the same two problems w/my PT36 (not at the same time). If the
generater batt. is dead there is no power to energize the shutdown
solenoid. There are probably other ways to do it but I hooked up my
battery charger and that furnised enough power to activate the
shutdown solenoid.

My oil pressure guage was also flucuating like your's. What I found
was a poor ground to the guage casing. Without the ground the guage
will read all over the scale. The ground must act as a bias.


Art Weatherly
Riverside Ca.
'85 PT36








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
>