Adjusting The Machine Head (Direct-Drive Motor Type Sewing Machine Only) - JUKI SC-922 Engineer's Manual

(7) Adjusting the machine head (Direct-drive motor type sewing machine only)

(Caution) When the slip between the white marker dot on the handwheel and the concave of the cover is
excessive after thread trimming, adjust the angle of the machine head by the operation below.
A
B
1. Simultaneously pressing
switch
2. is displayed (
mode is changed over to the adjustment mode.
3. Turn the pulley of the machine head by hand until
the main-shaft reference signal is detected. At this
time, the degree of an angle from the main-shaft
reference signal is displayed on the indicator
(The value is the reference value.)
4. In this state, align the white dot
with the concave
the figure.
5. Press switch
(The value is the reference value.)
– 20 –
switch
, turn ON the power switch.
A
) in the indicator and the
of the handwheel
of the pulley cover as shown
to finish the adjustment work.
and
B
.