JUKI DDL-9000B - THREADING THE MACHINE HEAD; Machine Head Threading Procedure; THREAD TENSION; Needle and Bobbin Thread Tension Adjustment

9. THREADING THE MACHINE HEAD
1
2
5
4
3
6
7
8
9
!0
!1
!2
!3
A
(Note) Do not pass
this thread
through
section
A
.
WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of
the sewing machine.
10. THREAD TENSION
1
2
A
B
3
E
F
C
D
(1) Adjusting the needle thread tension
(2) Adjusting the bobbin thread tension
1) Turn thread tension No. 1 nut
1
clockwise (in
1) Turn tension adjusting screw
3
clockwise (in
direction
A
), to shorten the thread length re-
direction
E
) to increase or counterclockwise (in
maining on the needle after thread trimming or
direction
F
) to reduce the bobbin thread tension.
counterclockwise (in direction
B
), to lengthen
the thread length.
2) Turn thread tension nut
2
clockwise (in direction
C
) to increase or counterclockwise (in direction
D
) to reduce the needle thread tension.
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