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LK3-B448E MARKII/BA-16
7. Correct use
7. Correct use
7-1 . Selecting the needle and thread
TQ × 1 #11
TQ × 1 #12
TQ × 1 #14
Thread
#60
#50
Button hole diameter
1.5mm or greater
1.6mm or greater
1.7mm or greater
Needle
q
w
q
w
Approx. 40mm
[When using the liquid cooling tank]
Turn off the power switch before threading the thread, otherwise the machine may operate if the foot
switch is depressed by mistake and serious injury could result.
Turn off the power switch before installing the
needle, otherwise the machine may operate of
the foot switch is depressed by mistake and
serious injury could result.
Refer to the table at right for details on which needle and
thread to select.
NOTE: Use buttons which have a hole diameter that is greater
than the value given in the table, to ensure that the needle
does not touch the button.
7-2 . Installing the needle
CAUTION
CAUTION
Loosen the set screw q, insert the needle w as far as it
will go so that the groove is facing toward you, and then
tighten the set screw q.
7-3 . Threading the upper thread
Thread the upper thread correctly as shown in the illustration below.
* If the tension release lever q is raised in the direction of the arrow, it will be easier to open the tension disc w and
pull the thread through.