Hi. I've been asked to track down 2 x upper knifes and 1 x lower knife for a Janome mylock 634D elecronic control machine. Its my great aunts machine, so i've got no idea what i'm really looking for!!!! Finding a spare parts dealer would be a start. Any help, very welcome. Thanks Maxine.

Go to the website sewingpartsonline.com

on left side of page look for the janome-new home parts--click on name-it will take you to another page

on this page you look for the model number--634D--click on it--it will take you to another page

go down toward the middle of page--lower knife janome-kemore-new home--number 788013009

go down toward end of page--upper knife--janome-new home--number 788011007

this should be what your looking for