Threading - SunStar SC 7900-Series User Manual

Direct drive, 4-needle flat seamer feed off the arm type
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3) THREADING

D
C
Thread a needle referring to the [Figure 27].
If not, the problems can be happened such as stitch skip, thread cutting, irregular tension etc. A, B, C and D are the needle thread, E is the
upper thread, F is the looper thread.
After threading, cut off the remaining thread (looper and upper thread) out of the hole of the upper thread holder and the looper before
sewing.
Tip) The thread tension is loosened when lifting the presser foot then you can draw the thread.
Check the OFF-status condition of a power switch before threading a needle. Or you may get
injured by the malfunction of the pedal.
Warning
24
A
B
C
D
B
A
A
B
C
D
A
B
C
D
F
F
E
[ Figure 27 ]

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Sc 7900-02 m6 a

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