JUKI LK-1900B series, Руководство инженера

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(8) Needle thread clamp motor origin adjustment
Inching operation of the needle thread clamp motor, operation of origin retrieval, and the status of needle
thread clamp encoder are displayed, and origin retrieval of the needle thread clamp motor is carried out.
1) When DATA CHANGE key
❼
is pressed,
the needle thread clamp motor is driven in the
directions of +/- for each pulse.
Position information of the needle thread clamp
encoder is displayed in section A .
2) Press EDIT key ❽ to drive the needle
thread clamp to each specified position.
① Standby position (front side)
② Needle thread bending position
③ Needle thread clamp position
④ Refuge position (rear side)
When READY key ❷ is held pressed for
two seconds, the motor position of current state
will be needle thread clamp origin.
Setting of the origin position is complete, "27" is
displayed on the screen.
1) Pressing the READY key ❷ will change
the bird’s nest short tail function to the step mode.
2) Restore the sewing screen and press the READY
key ❷ .
3) Tread on the pedal to sew.
Sew→Thread trim→Stops before the bird’s nest
short tail action.
4) Press the preparation key ❷ .
Pressing the READY key ❷ will cause ac-
tions in the following order.
(1) Suction nozzle is turned ON
↓
(2) Shorter-thread remaining thread trimmer is
turned ON
↓
(3) Shorter-thread remaining thread trimmer is
turned OFF
↓
(4) Suction nozzle is turned OFF
↓
(5) Presser foot goes up
5) Pressing the main power off will exit from the “Step
mode”.
❼
❾
A
❷
❽
(9) Bird’s nest short tail step mode
A series of action of bird’s nest short tail function can be checked by the step motion.
❷
(Remarks) The description only uses the panel
diagram of the standard specification.
(Caution) This feature is available after the completion of origin retrieval of the needle thread clamp
motor with the start switch.
3) When RETURN key ❾ is pressed, the screen returns to the check program screen.