Re: (ET) Strange sound from motor

[Robert Mclane <1mclanebo gmail com>]

I may have a similar sound emerging in my E-15. Would anyone have specs or
product ID numbers and even sources for the drive motor bearings?
Thanks to a robust population of ET knowledge.
Bob McLane
Colchester, VT

On Tue, Oct 26, 2021, 2:22 PM Chris Zach via Elec-trak <
elec-trak cosmos phy tufts edu> wrote:

> Sounds like the armature is contacting the motor casing. Probably worse
> under load but yes bearings.
>
> On October 26, 2021 1:17:50 PM EDT, Paul Anderegg <tpa2008 gmail com>
> wrote:
> >E20
> >
> >On Tue, Oct 26, 2021, 12:17 PM Nick Skinner <kc2dzb nycap rr com> wrote:
> >
> >> Paul, which tractor model is this? Some have a centrifugal switch, 
> >> which
> >> this may be. Otherwise, I'd suspect bearings.
> >>
> >> Nick
> >>
> >> -------- Original message --------
> >> From: Paul Anderegg <tpa2008 gmail com>
> >> Date: 10/26/21 12:55 PM (GMT-05:00)
> >> To: Dean Stuckmann <dstuckmann icloud com>
> >> Cc: elec-trak cosmos phy tufts edu
> >> Subject: Re: (ET) Strange sound from motor
> >>
> >> I pulled the belts off. Motor spins freely. When I spin it by hand 
> >> it's
> >> silent. When I apply the throttle then it starts making a screeching
> sound
> >> again without the belts on.
> >>
> >> On Tue, Oct 26, 2021, 11:24 AM Dean Stuckmann <dstuckmann icloud com>
> >> wrote:
> >>
> >> > I would start by making sure that it is the motor by taking the 
> >> > belts
> off
> >> > and running the motor by itself. I assume that the motor spins 
> >> > freely?
> >> >
> >> > Take care,
> >> > Dean
> >> >
> >> > > On Oct 26, 2021, at 10:40 AM, Paul Anderegg <tpa2008 gmail com>
> wrote:
> >> > >
> >> > > I get a strange sound coming from the motor. It usually starts
> after
> >> it
> >> > > runs for a couple of seconds. I posted a YouTube video of it. The
> sound
> >> > > starts at about six seconds into the video. I have included the 
> >> > > link
> >> > below.
> >> > >
> >> > > https://youtu.be/DYOYZqdiQik
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> >> > >
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