Table of Contents
Advertisement
6-15 Adjusting the opening amount of auxiliary hook
Adjustment procedure
1. Adjust the adjusting screw to the distance shown in the enlarged partial view.
6 ± 0.2 mm
Enlarged partial view
(Caution) If the auxiliary hook still keeps the thread after completion of needle threading, or if the auxil-
iary hook releases the thread before the needle threading hook catches the thread, adjust the
adjusting screw. (The amount and timing of opening can be adjusted.)
6-16 Adjusting the presser bar height
○ Remove the face cover.
Adjustment procedure
1. Assemble the standard presser foot in the presser foot holder. Raise the presser foot lifting lever.
2. Loosen the setscrew of the presser bar position bracket. Adjust the distance from the top surface of the
throat plate to the bottom face of the standard presser foot to 6 ± 0.3 mm. At this time, check the direction
of the presser bar so that the standard presser foot is in parallel to the feed dog groove and so that the
needle slot in the throat plate is nearly aligned with the slot in the standard presser foot.
Setscrew of
the presser bar
position bracket
Adjusting screw
– 29 –
Auxiliary hook
Advertisement
Table of Contents
