Removing Rewind Knob on Canon AE-1 Program or AL-1

I bought a rewind knob from some guy earlier today and he took it off his AE-1 program and put it on my AL-1. (They are the same knob structure). I was paying attention to how he did it, but obviously not close enough because I can't get it to work now... He gave me the AE-1 after he took the knob off so now I have 1 rewind knob for 2 bodies... ha!

Can someone take a few pictures and post a description of taking the rewind knob off of the Canon AE-1 Program or AL-1? There's a flat-top screw so I can't just unscrew it.. I think you have to hold the film spool pin on the inside while you twist the rewind knob left... I have tried holding the spool pin with a wrench, grasping it with a cloth and some forceps, but it either keeps spinning or nothing happens - the rewind knob doesn't come off.

ETA: Anyone have a AE-1 Program Repair Manual? All the ones I've found online are deleted...

Well, I figured it out (just needed to find a way to hold it firmer) but... I could really use a .pdf of the AE-1 Program Repair Manual. I can't find one anywhere online... anyone have one saved to their computer or know where to find one?

Maybe this place can help:

http://www.lensinc.net/canonrepair.html

Jim B.

I always just put the shaft of a small screwdriver through the prongs of a rewind shaft if I want to unscrew the knob...

Duncan

Stick a Chinese (non-pointed) chopstick into the fat slot of the rewind tab (the part that goes into the film cassette when it is in the camera) to hold it in place.