Hammond a-100 start issues.

[stanchfi]

Recently picked up an A-100 at auction (same house it was delivered to in 1965).
I'm guessing it has not been oiled for a while, so it has been oiled.
What I am confused about it the Start motor/gear engages and runs, but the gear does not seem properly connected to the tone generator shaft.
Though the gear turns fast, the shaft itself, turns slowly about a 1/4 turn and stops

https://youtu.be/6IDCLnX28JQ

Is this expected? Is this gear not intended to be attached directly to the shaft?
Is this just a friction clutch situation?

[handyczech]

What did you oil it with? Use Hammond oil only available from Tonewheel General Hospital, or medical grade mineral oil, nothing else. It may be necessary to thin the first several doses of oil with cigarette lighter fluid (not barbeque lighter). The oil is drawn by capillary action through hundreds of cotton wicks to hundreds of bearings. It can take hours, days or weeks for the bearings to saturate.

Or the vibrato scanner is frozen, another topic. Hopefully you didn't use motor oil or 3in1 oil or olive oil, etc, etc.

[stanchfi]

Oh no, I know to only use Hammond oil (one of the few things that can be agreed upon by all "experts" on any forum)

I did manage to spin it by hand, and was able to get it up and running, but lots of keys do not work, and none of the tones sound correct.

https://youtu.be/BkTVlIXCPQY

I'm guessing that though it will "Run" and spin the center shaft some of the tone wheels are still stuck/not spinning.
From looking at the video, does this sound like it could be the cause?

I believe the amp in fine, because there is a drum machine hooked up that works fine.

Thanks
-James

[David Anderson]

In your video, the Bendix gear is not engaging properly with the shaft it slides on. It needs to slide further to the right (from the point of view of the video) to lock to the shaft. Oil the shaft where it passes through the Bendix gear and move it back and forth. If it still doesn't engage, there must be some rare alignment problem.

It can take weeks for oil to move unaided through the entire oiling system of an organ that hasn't been oiled in decades. I ran into this with a C-3 bought for a church that never used it.