Re: (ET) Gunn lift motors, take one

["Dave & Deb" <daveb drizzle com>]

Hi Chris

I have one of his "new" motors as well.  haven't installed it yet.  I'd
like to see your pictures if possible.  could you email them?? Or post
them somewhere??

thanks,
Dave

> Well, this weekend I took some time and did the fall work on the
> Elec-trak. Fixed card 4; turned out to be a blown trace on the board.
> Right by the diodes as well; that field must pull a lot of current.
>
> I also swapped out the lift motor with the brand new Bill Gunn made lift
> motor. Very attractive, to be honest. Popped it in the tractor and
> checked it out.
>
> Ground fault.
>
> Oh boy. There are not enough words in the english language to describe
> how I felt. So after thinking of those, I took it inside and took the
> thing apart.
>
> When I say new, I mean this was *new*. As in a thing of beauty. Bill had
> drilled a hole in the back of the unit, run a wire thru the back (I
> think a better idea) and connected it to the top brush. Other than that
> it looks like a last generation Delco window motor.
>
> However Bill left the wire on this one a bit too long down by the
> breaker, and as a result it was touching the frame. Good. Pulled out the
> brush assembly, trimmed that wire, put it back together. I took a few
> pictures, but I can't tell if he had the armatures and fields rewound
> for 18 volts.
>
> Put it back together, no fault. It's in the tractor now, being powered
> by 13.2 volts. Seems to run at the same speed as a window motor, so it
> might be a Delco stock with the wire run. Oh well; I'll have to compare
> it speed-wise to a real Elec-trak lift motor for a comparison.
>
> Also replaced the timer (thank you list for sending a new one to me), so
> the tractor should be ready for a cold winter. Did a last run of tilling
> the leaves this afternoon; that runs fine. Also used the sweeper to pick
> up a *lot* of leaves today; it works well.
>
> And the NiCDs don't seem to die.
>
> Chris
>
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