Thread-Trimming; Standard Method Of Adjustment Of Trimming; Introduction Of System Operation - Jack JK-SHIRLEYIIE Operation And Daily Service Manual

Thread trimming
Press the button can turn on or turn off the
thread trimming function.
+
Press at the same time, can enter the technician
parameter mode.
P05: Set the trimming speed
Press and press at the same time, can enter system
parameter mode.
P03: Start angle shear line
P04: End angle shear line
P0A: Shear line strength angle
Standard method of adjustment trimming
Needle bar running
Retaining screw
direction
of trimming cam
Hook running
direction
Hook scattering
thread point
The distance
between hook
scattering thread
point and need Needle center line
center line is about
5mm
Trimming driving ball
Movable knife start point
14
Adjust method:
Before adjusting the trimming time, we must adjust the height of needle
bar, the time of hook drawing thread and needle position.
When the hook scattering thread point is about 5mm away from the
needle center line as the picture shows, adjust the trimming cam to the
position where the trimming movable knife just starts.
Adjust Description
When the movable knife scattering thread, do not let the hook loose
thread. Make sure the hook take in enough thread so that the thread tail
will be longer.

Introduction of system operation

Setting to technician parameter
+
Keep pressing the at the same time . Then loosen both button and press
again to access to technician parameter
Setting to system officer parameter
Keep pressing button and button at the same time, loosen, then press
again to access to system officer parameter.
button
15