Jim, this is the best I can do fer you. It's a picture of Amarillo Mike touching off his Parker 'n blackpowder loads last week on a quail hunt. Purdy good exploding view so maybe it'll help a little fer disassembly but you're on your own with the reassembly. Darnit! I told him it'd be best to cut back a little on the powder! But nooo way, he said, "I wanna be sure this sucker goes off........." Last I heard the doctors said they might be able to remove the whole body cast in a year 'n he oughta be able to pass the barrels without an enema.
One suggestion: if Amarillo Mike ever calls and offers to take you on a quail trip pretend you're deaf or sumpin' and can't understand him.