Correct use, 1 . selecting the needle and thread, 2 . installing the needle – Brother LK3-B448E User Manual

Page 36: 3 . threading the upper thread, Caution

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29

LK3-B448E MARK

II

/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.

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