Ritsch222

Is it enough to lower the needle bar 1mm or ist there more adjusment necessary if i do this? an thanks for the Answers!

Hello Guys, im looking for leather Needles for my Adler 220, 7x23 needle System, i found out that 328 Needles have very close specs (length, end to eye). Did any one try this, or is there adjustment on the machine necessary? Thanks!