Another generator problem? Two questions?

[Larry]

Tom,
I hope you did not let the smoke out!!!

Sea Ya
Larry
NYC
84 35FCSB

----- Original Message ----
From: thomas_sorrentino
To: WanderlodgeForum@yahoogroups.com
Sent: Monday, May 28, 2007 4:05:03 PM
Subject: [WanderlodgeForum] Re: Another generator problem? Two questions?













Ralph,



ok I'm done painting now! My wife thought painting was more important

than fixing the generator LOL!



not pushing start switch pushing start switch

P=12 vdc

1=0 vdc 1=0 vdc

2=0 vdc 2=0 vdc

3=12 vdc 3=0 vdc

5=0 vdc 5=0 vdc



All wires and connections look good. There is a faint smell of burnt

electrical, when I took off control box cover.



Tom Sorrentino

1987 PT38

Bedford Hills, NY



--- In WanderlodgeForum@ yahoogroups. com, "Ralph L. Fullenwider"

wrote:

>

> Morning Tom:

>

> Did you remove the wire from the post and check it as well? OK I

know this

> is redundant but double check the fuse holder to be sure a wire is

not

> burned off inside the control box. Next remove the top off the

control box

> and locate the terminal strip in the bottom of the box. Now make a

drawing

> of the terminal strip so you can make check marks as you do

electrical

> measurements. The terminal strip from left to right is

> P,1,2,3,4,5, 6,7,8,9,20, 34,35,55

>

> Set your meter, with the fuse in place, to dc volts, and put the

black lead

> of your meter with an jumper clip lead to ground. The do your

measurements

> with the red lead. You should have 12vdc on the terminal strip

marked P. If

> no 12 vdc then the fuse, fuse holder or wire is bad or connection

corroded.

> If you have power there, then with the red lead on terminals 1,2,3

you

> should not read voltage until you switch the start switch. With the

start

> switch held in the start position you should have 12 vdc on 1,2,and

3.

> Terminal 4 is the common or ground, Terminal 5, we are going to

check if C

> relay is pulling in. With the red lead on Terminal 5, switch the

start and

> if you have power then C relay is pulling in. This also checks the

normally

> closed contacts of the CR (110vac) relay. Terminal 6 is the pre

heat

> switch. Terminal 7 there is no connection. We will stop there for

now,

> because you should have proved there is power somewhere in the

above. If

> not then we will do a diode check on 4 diodes. The diodes, in this

case,

> will be square body units about 1/4 inch or so square with two tabs

on each

> end.

>

> So do those checks above first then we can go on after we find out

where it

> is or is not.

>

> Safe travels,

>

> Ralph and Charolette Fullenwider

> 84FC35

> Ralph's RV Solutions, Duncan, Oklahoma

>

> At 03:22 PM 5/28/2007 +0000, you wrote:

> >Ralph,

> >

> >I checked the voltage on the small terminal on the starter

solenoid.

> >0 vdc, when I hit the start switch. Next step please?

> >

> >Tom Sorrentino

> >1987 PT38

> >Bedford Hills, NY

> >

> >

>














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[Ed Gardels]

--- In WanderlodgeForum@yahoogroups.com, "Gregory OConnor"
wrote:
>

Gregory... The problem was the pins in the cannon plug corrode over
time, thereby causing arcing, which burnt the pin. Thatwas the second
time a wire has been added to bypass the cannon plug. Now the gen set
fires right off, where as before it wouldnt fire.

Thanks.. Ed Gardels 89sp
Arlington Texas


> Ed, was the pin connection under sized as engineered, or is there
> issue with a ;glow plug ;wire between plugs ;wire size from 12v
> source ;glow not shuting off ;over glow?
>
> The burnt pin may not be the cause of your problem, it may be a
> result.
>
> GregoryO'Connor
> 94ptRomolandCa
>
> --- In WanderlodgeForum@yahoogroups.com, "Ed Gardels"
> wrote:
> >
> > --- In WanderlodgeForum@yahoogroups.com, "thomas_sorrentino"
> > wrote:
> > >
> >
> > Tom... I have a 8.0 kabota(89sp)and had gen set problems since I
> > bought it two years ago. I finnaly took it to a onan dealer here
> and
> > had it fixed($300). Problem was the cannon plun on the control
box.
> > The pin that supplied 12 vto glow plugs waqs burnt. They bypassed
> the
> > plug with new wires. This plug can cause a lot of gen set
problems.
> >
> > Ed Gardels 89sp
> > Arlington Texas
>