JUKI LU-2220N-7, Инструкция по эксплуатации, Страница: 34 / 36

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30. KNEE SWITCH
If knee switch
1
is pressed, the amount of the alter -
nating vertical movement of the walking foot and the
presser foot will be maximized. (Same with the perfor
-
mance carried out by pressing the alternating vertical
movement amount change-over switch “
” on the
machine head.)
The knee switch can be used as the
presser lifting switch by setting of the
motor. (When the switch is used as
the presser lifting switch, the function
as the alternating vertical movement
amount changeover switch is lost.)
For the details, refer to the Instruction
Manual (Supplement).
6
Needle thread clamp switch
When the needle thread clamp switch is turned
ON, the needle thread clamp motion is performed
at the start of sewing, and when it is turned OFF,
the needle thread clamp motion is not performed.
However, the needle thread clamp device as well
as the presser foot lifting motion does not function
until the thread trimming is performed after turn
-
ing ON the power.
In addition, when the presser foot is lifted after
thread trimming motion, the needle thread is
clamped with the needle thread clamp device, but
when the needle thread clamp switch is turned
OFF, the needle thread is released.
Needle thread clamp switch can be set
to effective or ineffective by setting of
the motor.
For the details, refer to the Instruction
Manual (Supplement).
ON OFF
31. CAUTIONS WITH REGARD TO THE SEWING OPERATION
. Be sure to perform the sewing operation after confirming that the needle bar position (needle UP stop
position/needle DOWN stop position) when the sewing machine stops is properly positioned.
(For the setting of the designation of needle bar position, refer to the Instruction Manual (supplement).)
2. Perform a trial sewing and confirm the finished state of sewing since the state at the start of sewing is
different from that at the end of sewing in accordance with the sewn product (material and thread).
3. When using the needle thread clamp device, use it together with the reverse feed stitching at the start of sewing.
4. Be sure to perform the thread trimming motion on the cloth.