Re: (ET) Tool receptacle

["Christopher Zach" <czach computer org>]

They probably didn't want the third pin to be just sitting there with
nothing on the screw when the switch was hot. So they ran it to +36 volts,
then grounded it to stall the motors.

Chris

----- Original Message -----
From: "Bob Murcek" <RMURCEK geisinger edu>
To: <elec-trak cosmos phy tufts edu>
Sent: Thursday, March 07, 2002 11:09 PM
Subject: Re: (ET) Tool receptacle


> The PTO contactor is double throw.  When it's on, it connects the "hot"
pin that goes to the motors to power, when it's off it connects that pin to
the third pin on the connector, which is wired to the ground side of the
motors at the deck end of the power cable.
>
> I can't think of why they wired it in this odd way, though, unless they
were trying to allow for accessories that shouldn't be regen braked.
>
> >>> "Christopher Zach" <czach computer org> 3/7/2002 10:29:50 PM >>>
> Ah. That makes sense.
>
> Except for the switch interlock: When you leave the seat, the power to 
> the
> mower receptacle is shut down. How did they get around that?
>
> Chris
>
> ----- Original Message -----
> From: "Gary Woodard" <farmallcub57 yahoo com>
> To: "Christopher Zach" <czach computer org>; "Hazen, Dwight L"
> <hazen indiana edu>; <elec-trak cosmos phy tufts edu>
> Sent: Thursday, March 07, 2002 9:54 PM
> Subject: Re: (ET) Tool receptacle
>
>
> >
> >  Chris:
> > My welder plugs into the mower receptacle. I think the inverter did
also.
> Around here I don't comply with the NEC much, when I'm playing.  We're a
> little too rural, yet, unless I go into the place I retired from 
> (cities).
> All the factories have to meet code around here. The rest is just 
> "logic"!
> > Gary
> >   Christopher Zach <czach computer org> wrote: Actually, it's screwed 
> > in
> on my E20; I took it out to show it to the
> > electricians. I could do that, but then the tractor wouldn't be 
> > original
> :-)
> > Also I wouldn't be able to plug in the accessories.
> >
> > Note: When I took the outlet out, the copper wires had some copper
sulfate
> > on them. Came off easily with a bit of contact cleaner and a brush.
> >
> > Question on the Elec-trak accessories: Did the inverter and the welder
> plug
> > into the little 20amp outlet? If so they were probably overloading it.
> >
> > Chris
> >
> >
> > ----- Original Message -----
> > From: "Hazen, Dwight L"
> > To:
> > Sent: Thursday, March 07, 2002 8:32 PM
> > Subject: RE: (ET) Tool receptacle
> >
> >
> > > Drill out the rivets and install a three prong twist lock.
> > >
> > > Dwight
> > >
> > > -----Original Message-----
> > > From: Christopher Zach [mailto:czach computer org]
> > > Sent: Thursday, March 07, 2002 7:19 PM
> > > To: Gary Woodard; elec-trak cosmos phy tufts edu
> > > Subject: Re: (ET) Tool receptacle
> > >
> > > It's actually a 20amp 250 volt two prong Hubbel plug, and that is the
> > trick:
> > >
> > > No one stocks two prong plugs anymore.
> > >
> > > When I brought it to the first supply house, they went "wow, you
should
> > > replace that". Without a ground, the plug pretty much fails every
class
> of
> > > NEC code. Kind of how you will not find two prong electrical outlets
> > > anymore; installing one is pretty much a violation of current NEC
codes.
> > >
> > > That said, they directed me to another place where the manager had 
> > > one
> of
> > > these plugs sitting in his desk. Part of a incorrect order years 
> > > back;
> it
> > > works perfectly.
> > >
> > > Chris
> > >
> > > ----- Original Message -----
> > > From: "Gary Woodard"
> > > To: "Christopher Zach" ;
> > >
> > > Sent: Thursday, March 07, 2002 11:49 AM
> > > Subject: (ET) Tool receptacle
> > >
> > >
> > >
> > >
> > >
> >
> >
> >
> > ---------------------------------
> > Do You Yahoo!?
> > Try FREE Yahoo! Mail - the world's greatest free email!
>
>
>
>