BEAME AUTHORIZES DISCIPLINARY STEPS FOR SOME OFFICERS
Mayor Beame authorizes disciplinary action against some off-duty police officers who had noisily demonstrated in residential neighborhoods during last 3 days; several hundred off-duty officers demonstrated, in direct violation of injunction that city had obtained from State Sup Ct Justice Hyman Korn under which rallies would be prohibited and picketing by policemen restricted to station houses and Gracie Mansion where no more than 100 demonstrators would be permitted during day and 50 at night; Beame and Police Comr Codd comment; other developments, including suspension from force of former PBA head Ken McFeeley for refusing to obey superior officer, noted; illus (M)