Undated (AP) _ H.F. Ahmanson & Co. said Thursday that Fredric J. Forster has been named chief operating officer of Ahmanson and president and COO of Home Savings of America, the nation's largest S&L and Ahmanson's chief subsidiary.

Forster replaces Charles R. Rinehart, who was named president and chief executive of Ahmanson and chairman and CEO of Home Savings.

On Tuesday, Richard H. Diehl said he would step down as CEO of Ahmanson and Home Savings, but would remain the Irwindale, Calif. holding company's chairman.