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Those springs go at the four corners of the TWG and suspend it in the air so that it isn't sitting on the frame.
This makes things a bit quieter. The vibrations of the TWG don't get conducted...

Late 1958

113093 1958 33 Dan Leisawitz
113467 1958 100 John Sak
113503 1958 33 Brian Silverman
113530 1958 100 Jeff Richards
113792 1958 33 Guenter Hoertnagl (Austria)

The instructions on ebay for how to do foldback have good take apart directions for the M3. He's a member here. I forget what his handle is.
Scroll down to "Chassis removal"...

Waterfall keys are waterfall keys so the process should be identical.

In your picture of the run motor - grab the shaft as close to the TWG as you can (right below the trough that contains the oiling threads).
If it turns easily (and keeps turning) nothing is frozen....

If you can spin the shaft where it enters the TWG by the run motor then the TWG isn't frozen.

I see some crap under your start motor gear - looks like old green felt fuzz.

Watch this.
...

Hey, I though I had first dibs on that... Oh well.
Don't use that old oil. Get some new stuff from Tonewheel General.
If you need help working on it let me know.
I have a 22H that I converted to 2...

Alesis Nanoverb

Great sounding little unit. Even has a Leslie sim.

I've got one for $50 if you want it.

Go through the organ one drawbar at a time to make sure you have the correct tonewheel identified.
If an organ gets moved without the TWG being locked town a magnet pole can get shoved inward on...

http://www.captain-foldback.com/Leslie_sub/Leslie_schematics/32H_series3.gif

Specs say 380 volts - but probably that's calculated for 110 volts not current line voltages around 120 - so add 10%...

A laptop and ComboV will get you a lot closer...

http://www.martinic.com/combov/

Dirty it up a little by running it through a Twin Reverb sim in Garage Band - or the DAW of your choice.

Time for some one else to have some fun.

Selling a few things at discount on ebay,

Including an XK-3c and some nice effects units for those who might want to add reverb to an M3.

No shipping...

The 147 works by directly switching AC from one motor set to the other via the Leslie switch. So the change is immediate.

Mr. Hammond didn't leave any free pins on the 6 pin cable (in an attempt...

In the same way, in German music notation the letter B designates B flat while the letter H, which is actually a deformation of a square B, designates B natural.

When all else fails try...

The intonation (as in pitch) of a Hammond is controlled by the run motor and the local AC frequency (either 50 or 60 Hz).
It is not affected by the kind of caps on the TWG. It cannot be changed...

Are the TWG caps wax paper or red mylar?
If you've got a pre '65 organ with paper wax filter caps most of the high end will be missing.
Where have you got the tone control on the preamp set?

I...

As the paper wax caps in the chorus box go out of spec the chorus tends to mellow out.
Time for a chorus line rebuild maybe.

You'd be better off running VB3 on a laptop.
http://www.genuinesoundware.com/?a=showproduct&b=24
At least it's a "real" tonewheel organ.

Could also be a tube going microphonic. A tube can either start amplifying it's own internal noise or external vibrations.
Sometimes you can tell by tapping on them with the eraser end of a pencil...

I think the "board" with the paper wax caps you may be referring to is the TWG. That is not the problem.

The main electrolytic/can caps in the power amp absorb enough moisture from the air to work...

You can just unsolder and swap the line-ins or jumper the vibrato feed over to the non-vibrato feed to test that theory. Unlikely though.

Usually it's one of the large value megohm+ resistors that is the problem.

http://www.organforum.com/forums/showthread.php?25867-FREE-Virtual-Combo-Organs

Take the virtual Farfisa plug-in, open it up in Garage Band - run it through either the Vox or Fender Twin amp...

Mr Hammond viewed Mr Leslie as an enemy (who is this guy mucking around with my perfect machine...).
So if you wanted a Leslie and Leslie kit you had to go next door to the Leslie dealer.

The...

When's the last time either (or both) was recapped?
That's a classic sign of old electrolytic capacitors that absorb just enough moisture to work when you power things up but dry out and go dead...