JUKI LS-2342, Инструкция по эксплуатации

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(1) Adjusting the needle thread tension
1) [LS-2342S, H]
Adjust thread tension No. 1
❶
so that it tenses the
needle thread extending from it to thread tension
No. 2
❷
does not flap.
[LS-2342S-7, 2342H-7]
Turn thread tension nut No. 1
❸
clockwise
A
to
shorten the length of thread remaining on the top of
needle after thread trimming. Turn the nut counter-
clockwise
B to lengthen it.
2) To use the single-tension
Turn 2nd thread tension nut
❺ clockwise C to
increase the needle thread tension, or counterclock-
wise
D to decrease it.
3) To use the double-tension
Turn 2nd thread tension nuts
❹ and ❺ clockwise C
to increase the needle thread tension, or counter-
clockwise
D to decrease it.
Apply the same tension to both of the
thread tension No. 2
❷ .
(3) Adjusting the bobbin thread tension
Turn tension adjustment screw
❼
clockwise
E
to in-
crease the bobbin thread tension, or counterclockwise
F
to decrease it.
4-2. Thread tension
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the follow-
ing work after turning the power off and ascertaining that the motor is at rest.
F
E
❼
(2) Changing over the needle thread tension
Press needle thread tension changeover switch
❻
to
change over the needle thread tension from the sin-
gle-tension to the double-tension.
(The LED of the switch lights up.)
In the case, the length of thread remaining
at the needle tip cannot be increased, re-
place the spring of tension controller No. 1
with 22945505 which is separately available.
❷
B
A
❺
❸
❶
D
C
❻
❹
D
C