Winding The Bobbin Thread - JUKI LZ-2280A Series Instruction Manual

3-4. Winding the bobbin thread

WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power off and ascertaining that the motor is at rest.
❶
B
❻
A
❼
❺
E
C
D
❸
❷
❷
F
❷
❹
G
❷
❸
1) Insert the bobbin deep into the bobbin winder
spindle ❺ until it will go no further.
2) Pass the bobbin thread pulled out from the spool
rested on the right side of the thread stand follow-
ing the order as shown in the figure on the left.
Then, wind the end of the bobbin thread on the
bobbin several times.
Press the bobbin winder trip latch ❻ in the direc-
3)
tion of A and start the sewing machine. The
bobbin rotates in the direction of C and the bobbin
thread is wound up. The bobbin winder spindle
❺ will automatically stop as soon as the winding
is finished.
4) Remove the bobbin and cut the bobbin thread
with the thread cut retainer ❶.
5) To adjust the winding amount of the bobbin thread,
loosen the setscrew ❼ and move the bobbin
winder trip latch ❻ to the direction A or B. Then,
tighten the setscrew ❼.
To the direction D : Decrease
To the direction E : Increase
6) In case that the bobbin thread is not wound even-
ly on the bobbin, loosen the nut ❹ and turn the
bobbin thread tension to adjust the height of the
thread tension disk ❷.
• It is the standard that the center of the bobbin
is as high as the center of the thread tension
disk ❷.
• Move the position of the thread tension disk ❷
to the direction F as shown in the figure on the
left when the winding amount of the bobbin
thread on the lower part of the bobbin is ex-
cessive and to the direction G as shown in the
figure on the left when the winding amount of
the bobbin thread on the upper part of the
bobbin is excessive.
After the adjustment, tighten the nut ❹.
Turn the thread tension nut ❸ to adjust the tension
7)
of the bobbin thread winder.
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