Re: (ET) All fixed

[Chris Zach <czach computer org>]

No. I'll try that over the next few days by removing the timer circuit 
and going in from the top. Speaking of which though, I thought there was 
only one "live" wire in there; two of the returns going via the switch 
for the lift.

Or are we thinking it's that common wire that's gone to ground? Is it 
the wire, or something inside the lift motor?

Chris


RJ Kanary wrote:

> Did you remove all three wires from the lift motor ?
>
> ----- Original Message ----- From: "Chris Zach" <czach computer org>
> To: "RJ Kanary" <rjkanary nauticom net>
> Cc: "Elec-trak list" <elec-trak cosmos phy tufts edu>
> Sent: Tuesday, January 25, 2005 10:17 PM
> Subject: Re: (ET) All fixed
>
>
> > That is a possibility, but I removed the tap wires to the lift and the 
> > lights from the pack.
> >
> > Whatever it is, it's a big wire: I incinerated the wires in my deck 
> > when it developed a ground fault back in the summer. No damage to the 
> > tractor.
> >
> > Chris
> >
> >
> > RJ Kanary wrote:
> >
> > >     Not many things are still 'on' with the PD open. One of the most 
> > > common" gone to ground" components is my favorite, the lift 
> > > motor.{Hint, the lift motor is still 'on' when the PD is 'open'. } 
> > > Lighting wiring, toasted by the armature resistors, is another 'hot' 
> > > item.
> > >      Think of the double contactor replacement as an occupational 
> > > therapy exercise. Increases dexterity. <G>
> > >
> > >
> > > ----- Original Message ----- From: "Chris Zach" <czach computer org>
> > > To: "Elec-trak list" <elec-trak cosmos phy tufts edu>
> > > Sent: Tuesday, January 25, 2005 9:42 PM
> > > Subject: (ET) All fixed
> > >
> > >
> > > > Swapped out the contactor pair with a spare set and the tractor is 
> > > > working perfectly again. I'd still like to find that other ground 
> > > > fault though; any suggestions on how to track one down? The only 
> > > > clue is that it's there even with the main disconnect off, and it's 
> > > > pretty persistient.
> > > >
> > > > Another thought: Pulling those contactors is a real 14 karat pain. 
> > > > However I do like the fact that one can fix just about anything on a 
> > > > contactor based elec-trak with a meter and a set of wrenches.
> > > >
> > > > Chris
> > > >
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