– 133 –
❾
❽
❼
4) Turn handwheel
❼
by hand to ascend the
needle bar
❽
.
Adjust so that lower marker line
❾
on the
ascending needle bar aligns with the bottom
end of the needle bar bushing lower
.
: Marker line for DP×17
: When lower marker line for
DP × 17 needle is used.
5) Loosen hook setscrew
. Move the hook to
adjust so that hook blade point
is aligned
with the center of the needle.
6) Adjust the longitudinal position of the hook so
that a clearance of 0.05 to 0.15 mm is provid-
ed between the needle and hook blade point
when hook blade point
is aligned with
the center of the needle.
Then, tighten setscrew
.
0.05 to
0.15 mm
