The ANSWER.. Will a Pfaff 1222 pedal operate a Pfaff 1222E? This is what happened in my case. We managed to track down the 053 pedal for use ONLY with the 1222E
Pfaff 1222 E Dikiş Makinesi Mekik
Pfaff 1222 İlik Açma Düğme İliği Nasıl Açılır - YouTube