Timing Feed Dogs on Pfaff 138 ( Plus Matching Forward/Reverse Stitch Lengths)

Timing Feed Dog for Pfaff 138:
Raise your needle bar 4mm above bottom dead center (very bottom of needle bar stroke). At this point you should have absolutely no movement in the feed dogs when you operate the forward/reverse stitch lever. If you do have movement follow the procedure outlined in the video until all movement is gone.