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+--- Thread: Generator Pre-Heat (/showthread.php?tid=7699)
Generator Pre-Heat - Scott Forman - 02-22-2009 05:57
I do not have any juice to the glo-plugs on my Yanmar generator
engine. Anyone have any troubleshooting tips before I start
investigating?
Scott Forman
86 PT38
Memphis
Generator Pre-Heat - Ralph L. Fullenwider - 02-22-2009 06:21
Scott, the pre heat power to the glow plugs goes through a solenoid on the
curb side of the gen set when opened. the coil of the solenoid is activated
by power through contacts of C-1 relay. That is activated by either
pressing the preheat switch on the control box or pressing the stop side of
the stop/start switch. Check the 12 vdc at the solenoid when pressing the
pre heat switch if power then solenoid is bad if no poser then go to the
fuse if fuse is ok then check the connectors on the terminal strip in side
the control box. follow your schematic. I make a copy of my schematic from
the book and mark the copy where I have made checks.
Safe travels,
Ralph and Charolette Fullenwider
84FC35 "Ruff Diamond"
Duncan, Oklahoma
At 05:57 PM 2/22/2009 +0000, you wrote:
>I do not have any juice to the glo-plugs on my Yanmar generator
>engine. Anyone have any troubleshooting tips before I start
>investigating?
>
>Scott Forman
>86 PT38
>Memphis
>
>
Generator Pre-Heat - Scott Forman - 02-22-2009 07:21
This is the same solenoid that powers the generator gauges, correct?
Scott
--- In WanderlodgeForum@yahoogroups.com, "Ralph L. Fullenwider"
>
> Scott, the pre heat power to the glow plugs goes through a solenoid
on the
> curb side of the gen set when opened. the coil of the solenoid is
activated
> by power through contacts of C-1 relay. That is activated by either
> pressing the preheat switch on the control box or pressing the stop
side of
> the stop/start switch. Check the 12 vdc at the solenoid when
pressing the
> pre heat switch if power then solenoid is bad if no poser then go
to the
> fuse if fuse is ok then check the connectors on the terminal strip
in side
> the control box. follow your schematic. I make a copy of my
schematic from
> the book and mark the copy where I have made checks.
>
> Safe travels,
>
> Ralph and Charolette Fullenwider
> 84FC35 "Ruff Diamond"
> Duncan, Oklahoma
>
> At 05:57 PM 2/22/2009 +0000, you wrote:
> >I do not have any juice to the glo-plugs on my Yanmar generator
> >engine. Anyone have any troubleshooting tips before I start
> >investigating?
> >
> >Scott Forman
> >86 PT38
> >Memphis
> >
> >
>
Generator Pre-Heat - Ralph L. Fullenwider - 02-22-2009 07:27
Scott, I have not traced the gauge power source, it could well be though. I
do not have a schematic of the gauges in the circuit. There is also a diode
in line in that area too, it is black, square about the size of a dime. C1
relay is a key in that circuit.
Ralph
At 07:21 PM 2/22/2009 +0000, you wrote:
>This is the same solenoid that powers the generator gauges, correct?
>
>Scott
>
>--- In WanderlodgeForum@yahoogroups.com, "Ralph L. Fullenwider"
>
> >
> > Scott, the pre heat power to the glow plugs goes through a solenoid
>on the
> > curb side of the gen set when opened. the coil of the solenoid is
>activated
> > by power through contacts of C-1 relay. That is activated by either
> > pressing the preheat switch on the control box or pressing the stop
>side of
> > the stop/start switch. Check the 12 vdc at the solenoid when
>pressing the
> > pre heat switch if power then solenoid is bad if no poser then go
>to the
> > fuse if fuse is ok then check the connectors on the terminal strip
>in side
> > the control box. follow your schematic. I make a copy of my
>schematic from
> > the book and mark the copy where I have made checks.
> >
> > Safe travels,
> >
> > Ralph and Charolette Fullenwider
> > 84FC35 "Ruff Diamond"
> > Duncan, Oklahoma
> >
> > At 05:57 PM 2/22/2009 +0000, you wrote:
> > >I do not have any juice to the glo-plugs on my Yanmar generator
> > >engine. Anyone have any troubleshooting tips before I start
> > >investigating?
> > >
> > >Scott Forman
> > >86 PT38
> > >Memphis
> > >
> > >
> >
>
>
>
>
>------------------------------------
>
>Yahoo! Groups Links
>
>
>
Safe travels,
Ralph and Charolette Fullenwider
84FC35 "Ruff Diamond"
Duncan, Oklahoma
Generator Pre-Heat - Glenn Allen - 02-22-2009 14:07
Scott,
I had this problem about 3 weeks ago. I found a replacement at NAPA. It is an
ST85, 85
amp continuous duty relay with copper contacts. It is located on the passenger
side of the
generator just to the rear and above the spin on fuel filter.
Glenn
Generator Pre-Heat - Ed Gardels - 02-26-2009 15:44
--- In WanderlodgeForum@yahoogroups.com, "Ralph L. Fullenwider"
>Scott-- Although I have a Kabota, I had the same prob. Gen set was
always hard to start. Took it to Onan service and they found the
prob. to be croaded pins in the canon plug between the control box
and plugs. They bypassed the canon plug and it starts perfect every
time now.($300)
Hope this helps
Ed Gardels 89SP
Arlington TX
> Scott, I have not traced the gauge power source, it could well be
though. I
> do not have a schematic of the gauges in the circuit. There is also
a diode
> in line in that area too, it is black, square about the size of a
dime. C1
> relay is a key in that circuit.
>
> Ralph
>
> At 07:21 PM 2/22/2009 +0000, you wrote:
> >This is the same solenoid that powers the generator gauges,
correct?
> >
> >Scott
> >
> >--- In WanderlodgeForum@yahoogroups.com, "Ralph L. Fullenwider"
> >
> > >
> > > Scott, the pre heat power to the glow plugs goes through a
solenoid
> >on the
> > > curb side of the gen set when opened. the coil of the solenoid
is
> >activated
> > > by power through contacts of C-1 relay. That is activated by
either
> > > pressing the preheat switch on the control box or pressing the
stop
> >side of
> > > the stop/start switch. Check the 12 vdc at the solenoid when
> >pressing the
> > > pre heat switch if power then solenoid is bad if no poser then
go
> >to the
> > > fuse if fuse is ok then check the connectors on the terminal
strip
> >in side
> > > the control box. follow your schematic. I make a copy of my
> >schematic from
> > > the book and mark the copy where I have made checks.
> > >
> > > Safe travels,
> > >
> > > Ralph and Charolette Fullenwider
> > > 84FC35 "Ruff Diamond"
> > > Duncan, Oklahoma
> > >
> > > At 05:57 PM 2/22/2009 +0000, you wrote:
> > > >I do not have any juice to the glo-plugs on my Yanmar generator
> > > >engine. Anyone have any troubleshooting tips before I start
> > > >investigating?
> > > >
> > > >Scott Forman
> > > >86 PT38
> > > >Memphis
> > > >
> > > >
> > >
> >
> >
> >
> >
> >------------------------------------
> >
> >Yahoo! Groups Links
> >
> >
> >
> Safe travels,
>
> Ralph and Charolette Fullenwider
> 84FC35 "Ruff Diamond"
> Duncan, Oklahoma
>