December 6, 1979

Samuel Z Arkoff resigns as chairman, president and chief executive officer; Filmways chairman and president Richard L Bloch comments; Arkoff will remain with company as vice chairman until end of company's fiscal year in Feb and may serve as consultant and independent producer or both; Arkoff por (M)

Vice Pres Mondale illus

National Iranian Oil officials are confident that production and shipments of Iranian oil can be sustained despite uncertainties created by Islamic revolution, which has caused labor problems and cut off supply of spare parts and new equipment from US; craftsmen at Abadan refinery successfully resisted attempt by Revolutionary Council to institute 6-day workweek; there have been several acts of pipeline sabotage, attributed variously to 'enemies' of Ayatollah Ruhollah Khomeini and 'foreign influences'--discreet reference to Iraq; officials say workers have undergone special training to resist assault on facilities, indications of struggle for power between company managers and 'representatives of the revolution' at Kharg Island loading facility noted; illus (M)

Pres Carter renews diplomatic effort to gain release of 50 American hostages in Teheran; authorizes planning for economic sanctions against Iran if diplomatic moves fail; delegation of ranking Treasury and State Dept officials leaves for Europe to coordinate economic policies with US allies on problems arising from Iranian crisis and to discuss further economic moves against Iran; is headed by Treasury Deputy Sec Robert Carswell and Under Sec of State Richard N Cooper; State Dept spokesman Hodding Carter 3d comments (M)

Vice Pres Mondale and Rosalynn Carter are shouted down by about 12 hecklers at campaign stop at Harlem church; Repr Charles B Rangel, who arranged their appearance, claims hecklers belong to Progressive Labor Party, a political organization known for its militant tactics (M)