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UPPER THREADING
B-46
a
Press and install the twin needle
(“CHANGING THE NEEDLE” on page B-51).
b
Thread the machine for the first needle
according to the procedure for threading a
single needle (“Upper Threading” on
page B-42).
c
Pass the thread through the needle bar
thread guides on the needle bar, then
thread the needle on the left side manually.
a Needle bar thread guide
d
Pull up the supplemental spool pin and set it
in the up position.
a Supplemental spool pin
e
Place the additional spool of thread on the
supplemental spool pin, so that the thread
unwinds from the front. Push the spool cap
onto the spool pin as far as possible to
secure the thread spool.
a Spool pin
b Spool cap
c Thread spool
f
Hold the thread from the spool with both
hands, and place the thread in the thread
guide.
* Do not place the thread in the pre-tension disks.
a Thread guide
g
While holding the thread from the spool,
pull the thread through the lower notch in
the thread guide plate, then through the
upper notch. Hold the end of the thread
with your left hand, and then guide the
thread through the groove, following the
arrows in the illustration.
Note
• The “Automatic Threading” button cannot
be used. Manually thread the twin needle
from front to back. Using the “Automatic
Threading” button may result in damage to
the machine.