I was told the new idea 36V lift motors were recalled because they were so strong they were breaking things, and they substituted 18V versions in their place. I use 30A slow blow fuses in the GE lifts as recommended, anything else doesn't last when plowing snow.
From: "Mike Wallace" <metman glasgow-ky com>
To: "Charlie" <medievalist gmail com>
Cc: "Elec-Trak" <elec-trak cosmos phy tufts edu>
Sent: Wednesday, May 28, 2014 2:22:26 PM
Subject: Re: (ET) lights 12V lights and 12V lift
It may not make a big difference to the overall discussion line here about
lift motors, but all the GE/Wheel Horse large frame tractors I've ever dealt
with ran the lights off of 12 volts and the lift motor off 18 volts.
Some, maybe all, of the New Idea units had a round, 36 volt lift motor that
I believe was made by Prestolite.
My records indicate the GM/Delco Products window motor pulled somewhere
around
10 amps at no load on 18 volts at about 30 RPM, and around 25 amps when
lifting a front mount deck.
Mike in KY
-----Original Message-----
From: Charlie [mailto:medievalist gmail com]
Sent: Tuesday, May 27, 2014 10:03 AM
Cc: Elec-Trak
Subject: Re: (ET) lights 12V lights and 12V lift
I just rebuilt my lift motor. I used 1/4" x 1/4" x 1/2" black carbon
brushes to replace the original copper ones. I haven't noticed any
effect from the change in brush resistance.
I've been running my lift at 12vdc since I got the tractor and while I
haven't seen any "struggling", the only thing I ever lift is my front
mower deck. I still haven't mounted my sears snow blade and I don't
have a tiller, I hear that sort of thing puts more load on the lift.
At 12V the motor is still powerful enough to stretch the hell out of a
new lift strap.
I too would like to know the peak current of the lift motor!
--Charlie
On Sun, May 25, 2014 at 7:14 PM, David Roden (Akron OH USA)
<etpost drmm net> wrote:
>
> The downside is that 12v on the lift will make it struggle with some
loads.
> I wonder if a simple voltage regulator circuit could be used to reduce
lift
> motor voltage from 36v to 18-24v. It would waste some energy as heat and
> require a pretty substantial regulator and heatsink, but it'd be cheaper
and
> simpler than a DC:DC converter.
>
> Has anyone ever measured the peak current the lift motor draws?
>
>
>
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