– 100 –
❾
❽
❼
4) Turning pulley
❼
by hand, align lower marker
line
❾
on ascending needle bar
❽
with the
bottom end of needle bar lower bushing
.
0.05 to
0.15 mm
5) Loosen hook setscrew
. Move the hook to
adjust so that the blade point of hook is aligned
with the center of needle.
6) Adjust the longitudinal position of the hook so
that a clearance of 0.05 to 0.15 mm is provided
between the needle and blade point
of hook
when the blade point of hook is aligned with
the center of needle. Then, tighten setscrew
.
: Marker line for DP × 17 needle
❸
: When DP × 17 needle count is lower is used.