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【 10】 STITCH FORMATION ADJUSTMENT
10-1 Thread tension adjustment
Thread tension varies according to sewing
conditions such as kinds of fabrics, threads,
sewing width, and stitch length.
Adjust by knob A.
Rotate them clockwise to tighten the threads
and vice versa.
10-2 Position of the needle thread take-up & thread eyelet
＊Adjust by referring to below illustration when the needle take-up is at its extreme
position to the bottom.
JJ5004
JJ5005
出荷時は調整済みです。
Already adjusted
7
合わします。
Adjust
JJ5014
出荷時は調整済みです。
Already adjusted
7
合わします。
Adjust
J
J
J
J
s
e
r
i
e
s
e
r
i
e
15
10-3 Looper thread take-up adjustment
The below table is the dimension when the lower looper is at the right position.
504
505
514
21.5
A
B
14.5
C
20
D
29
E
28
F
Left
G
Left
s
s
504
514
S
H
H
21.5
21.5
14.5
17.5
28
28
29
29
28
25
Left
Left
Left
Left
16
504
Stitch type
514
E
Looper capacity
21.5
17.5
25
29
30
Right
Right
J
J
J
J
s
e
r
i
e
s
s
e
r
i
e
s
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