Winding The Bobbin Thread - JUKI DDL-8700A-7 Instruction Manual

5. Winding the bobbin thread

3
B
1
a
2
c
4
6) In case that the bobbn thread s not wound evenly on the bobbn, remove the handwheel, loosen screw
5 and adjust the heght of bobbn thread tenson 8 .
• It s the standard that the center of the bobbn s as hgh as the center of thread tenson dsk 6 .
• Adjust the poston of thread tenson dsk 6 to the drecton of D when the wndng amount of the bobbn
thread on the lower part of the bobbn s excessve and to the drecton E when the wndng amount of
the bobbn thread on the upper part of the bobbn s excessve.
After the adjustment, tghten screw 5 .
7) To adjust the tenson of the bobbn wnder, turn the thread tenson nut 7 .
(caution)
1. When winding the bobbin thread, start the winding in the state that the thread between the bobbin
and thread tension disk 6 is tense.
2. When winding the bobbin thread in the state that sewing is not performed, remove the needle thread
from the thread path of thread take-up and remove the bobbin from the hook.
3. There is the possibility that the thread pulled out from the thread stand is loosened due to the influ-
ence (direction) of the wind and may be entangled in the handwheel. Be careful of the direction of
the wind.
8
6
7
D
6
5
E
6
) Insert the bobbn deep nto the bobbn wnder
spndle 1 untl t wll go no further.
2) Pass the bobbn thread pulled out from the
spool rested on the rght sde of the thread stand
following the order as shown in the figure on the
left. Then, wnd clockwse the end of the bobbn
thread on the bobbn several tmes.
(In case of the alumnum bobbn, after wndng
clockwse the end of the bobbn thread, wnd
counterclockwse the thread comng from the
bobbn thread tenson several tmes to wnd the
bobbn thread wth ease.)
3) Press the bobbn wnder trp latch 2 n the
drecton of a and start the sewng machne.
The bobbn rotates n the drecton of c and the
bobbn thread s wound up. The bobbn wnder
spndle 1 automatcally as soon as the wndng
is finished.
4) Remove the bobbn and cut the bobbn thread
wth the thread cut retaner 3 .
5) When adjustng the wndng amount of the bob-
bn thread, loosen setscrew 4 and move bobbn
wndng lever 2 to the drecton of a or B. Then
tghten setscrew 4 .
To the drecton of a : Decrease
To the drecton of B : Increase
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