SunStar SC 7200A Series User Manual page 50

[ Warning ]
Before adjustments, always turn off the motor switch and check to make sure that the motor is in stop mode.
(11) Relation between needle thread, looper thread and moving blade
Check the following.
A. Does the moving blade ① pass through the loops of
needle threads (29) and (30)?
B. Does the hook of the looper thread ⑨ move in front of
the looper thread?
C. Does the needle thread get pulled by the hook ⑥ to
ensure trimming by the fixed blade?
D. Does the looper thread get pulled by the hook ⑨ to
ensure trimming by the fixed blade?
50
(30)
(29)
⑨
①
⑥
⑨
[ Figure 85 ]
[ Figure 86 ]