Among the remaining sets of the oldest cars without air-conditioning, all of which had been deployed in 1969, three sets were converted to four-car trains and transferred to the Fukuchiyama Line to increase their transportation capacity, and another train set was divided into four-car trains and three-car trains after converting the cars into air-conditioned ones, and transferring them to the Yodogawa Line.
残留していた非冷房車の編成（全編成が1969年投入の最古参車）のうち、3本を4連化して福知山線に投入して同線の輸送力増強を実施、1本を冷房改造のうえ4連+3連の分割編成に改造して淀川に転出させた。