You're going to have to disconnect the slide arm from the bolt inside the receiver.
If you're not mechanically inclined or you don't have a proper set of gunsmith's screwdrivers,
I wouldn't advise taking it apart.
Your winchester model 62A was made by winchester in 1958.
Your Winchester model 62a was made by Winchester in 1958.
your Winchester model 62a was made in 1957.
Your winchester model 62A was made by winchester in 1948.
your Winchester model 62A was made in 1948.
your Winchester model 62a was made in 1952.
Your Winchester model 62A was produced in 1946.
your Winchester model 62a was made in 1957.
Your serial number indicates that your Winchester model 62A was made in the year 1942.
With the serial number that you provided,your Winchester model 62A was made in the year 1942.
your Winchester model 62A serial no.349772 was made in 1956.
Your serial number indicates that your Winchester model 62A was made in the year 1954.