Adjusting The Machine Head (Direct-Drive Motor Type Sewing Machine Only) - JUKI SC-920 Instruction 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 cov-
er is excessive after thread trimming, adjust the angle of the machine head by the opera-
tion below.
3 4
3 4
3 4
A
5
6
B
5 6
8
7
5
6
– 13 –
1) Smultaneously pressng
and
swtch.
2) s dsplayed ( A ) n the ndcator
and the mode s changed over to the
adjustment mode.
3) Turn the pulley of the machne head
by hand untl the man-shaft reference
sgnal s detected. At ths tme, the de-
gree of an angle from the man-shaft
reference sgnal s dsplayed on the n-
dcator B . (The value s the reference
value.)
4) In ths state, algn the whte dot 7 of the hand-
wheel wth the concave 8 of the pulley cover as
shown in the figure.
5) Press
justment work. (The value s the
reference value.)
swtch 4
swtch 5 , turn ON the power
swtch 6 to finish the ad-