Is the shaft slot "horizontal"? There's a chance the last guy didn't have the pin and hole lined up and the pin is just smashed down on the surface of the shaft...can you turn the shaft with a big screwdriver?
Just a thought...
Mike B
Mike Boteler
1956 Chevy 3100 Resto Rod 1952 Willys M38 Army Jeep 1983 Jeep CJ7 Laredo 1984 Jeep CJ7 +++++ Silver Spring, MD