[HAM] Can't get M-3 to wind up...

[Frank O. Pistohl]

Hi Jack.

If it spins freely and comes to a hold after 2 to 3 seconds its not necesary
to spin it manually anymore. Just make sure that the bearings are well
soaked in oil. Once lubricated, you may check the oil again in a year or so.

Frank

On Tue, Jun 24, 2008 at 1:51 AM, jack larose <apeheadqwerty at yahoo.com>
wrote:

> Frank,
>
>
> Thanks for the reply.  The folks at the church did actually hire a man
> to "fix" the organ.  He just gave them some Hammond Oil and told them
> where to put it.  They went a little over board, and now there is a big
> puddle of oil underneath the TG and the cup above the synchronous motor
> was full (to the
> brim) with oil.  I removed the excess oil since.  Will any old cotton
> string work for a replacement?  Should I be manually turning the
> synchronous motor regularly?  How long should it continue spinning
> after I manually spin it?
>
> Thanks,
>
> Jack
>
>
> ----- Original Message ----
> From: Frank O. Pistohl <frankpistohl at gmail.com>
> To: The Hammond Forum <hammond at zeni.net>
> Sent: Monday, June 23, 2008 7:24:23 PM
> Subject: Re: [HAM] Can't get M-3 to wind up...
>
> Hi.
>
> According to your description, it might be just a matter of lubrication.
> Try
> to reconnect the oil-strings and add some Hammond Oil (1 teaspoon max.) or
> put a little oil directly into the oil-pans above the tonewheel. Let it
> soak
> in for a while and then try to spin it manualy at first, and if it does
> so engage the starter motor and try again.
>
> Frank
>
> On Mon, Jun 23, 2008 at 11:17 PM, jack larose <apeheadqwerty at yahoo.com>
>  wrote:
>
> > Hello,I suppose an introduction is in order considering this
> > is my first post.  I play classic rock, and as such, love the sound and
> > versatility of the tonewheel organ family.  At the local church I play
> > at, someone had donated an M-3 spinet and Leslie.  The organ's TG was
> > not working.  Since the poor folks at the church had a 200 lb
> > paper-weight cluttering things up, I volunteered to take it off their
> > hands.  They stubbornly kept the Leslie, but I don't think they can
> > make the quantum leap to power it separately, so I'm fairly confident
> > I'll be taking that off their hands soon as well.  Anyways, back to the
> > M-3.  The start motor seems to be working fine (this is my first
> > attempt at Hammond repair, so some of these conclusions are nothing
> > more than educated guesses).  The gears engage okay, and the TG turns
> > pretty darn fast, but as soon as the "run" switch is engaged, the TG
> > shaft slows to a halt, the starts gears grind a bit, and then stop as
> > well.  I disconnected the springs from the TG shaft, and spun the wheel
> > on the synchronous motor, and it seems fairly free-spinning (slows to a
> > stop in about 1-2 seconds).  Then engaged the "run" switch without
> > engaging "start" and tried to spin the wheel on the synchronous motor,
> > felt a definite resistance.  Measured R90, about 245 ohms.  Measured
> > line voltage at the back terminal, 120 volts AC.  Tried to measure
> > synchronous motor resistance, but didn't really understand the
> > instructions on the Benton electronics website, or on the HammondWiki.
> > The only anomalies I really came across were some of the oiling strings
> > are frayed or completely disconnected, and the "start" switch is not a
> > "momentary on" switch, it just stays on or off.  This test was done
> > with no tubes in the amp.
> >
> >
> >
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