Counter Knife - JUKI DLN-6390 Manuel D'utilisation

Wiring diagram of pneumatic and electric components
SC-921
CN56 CN36
SC-921
CN56 CN36
3. Counter knife
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.
a
C
b
4.5 mm
1
a Moving knife
b Center of needIe
38
CN37 CN33
Z
Y
�lack
Gray
When checking receding amount of moving knife and cam timing
CN37 CN33
Y
Z
�lack
Gray
1
B A
DLN�6390�7
Sewing machine main unit
DLN�6390�7
Sewing machine main unit
X
When the knfe sharpness has deterorated, resharpen
counter knfe 1 as llustrated n C , and properly renstall t.
) If the mountng poston of the counter knfe s moved
n drecton A from the standard mountng poston, the
thread length after thread trmmng wll be ncreased
accordngly.
2) If the mountng poston s moved n drecton B , the
thread length wll be decreased accordngly.
When re�sharpening the counter knife� be
careful of handling.
Normal wiring
CN36 CN37
Z
CN36 CN37
Y