JUKI MO-1000 Series Service Manual page 25

adjustment Procedure
1 Knife driving cam
2 Feed cam
3 Lower looper cam
4 Upper looper cam
5 Needle driving cam
○ Screw No. 1 is tightened in the flat section of the main shaft
(the figure below).
6 Positioning collar
7 Marker on the handwheel
○ The marker is aligned with the marker on the side face of the
cover at the upper dead point of the needle.
5
Screw no. 1
21
– –
Results of Improper adjustment
If the marker on the handwheel
cannot be aligned with the marker
on the cover:
Deviation by 180º: The hand-
wheel is installed in the wrong
manner. Remove the handwheel
and re-install it with turned by
180º.
Deviation by approximately
120º: The screw No. 1 of needle
driving cam 5 is incorrectly posi-
tioned.