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+--- Thread: Another generator problem? Two questions? (/showthread.php?tid=4990)
Another generator problem? Two questions? - Larry - 05-28-2007 15:28
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"
>
> 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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Another generator problem? Two questions? - Ed Gardels - 05-28-2007 17:13
--- In WanderlodgeForum@yahoogroups.com, "Gregory OConnor"
>
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"
> >
> > >
> >
> > 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
>