9
easy thread changing -Tying On method
1. Cut the thread near the spools.
2. Exchange the spool with a new one and tie
end to remaining thread making knot as small
as possible.
3. Make note of the tension setting numbers on
each Thread Tension Dial.
4. Turn Thread Tension Dials to the smallest
number.
5. Lightly pull thread tails behind presser foot
and press Foot Control to run machine until
upper and lower thread knot comes through
looper hole.
6. Stop needle thread knot before passing
through eye of needle. Pull needle threads
near the needle eye and cut thread knots.
7. Pass threads through needle eye manually.
8. Return tension dials to original tension
settings.
a
A
b
B
c
C
d
D
e
E
F
f
G
g
H
h
i
threading the right and left needles
d
e
f
g
h
i
Thread left needle as illustrated below in steps A to H.
Thread guides with red color marking on machine.
A-C. Thread same sequence as threading
upper and lower looper thread.
D. Hook thread into front opening of
guide and pull thread up.
E. Hook into guide by sliding thread
across top and down into hole.
F. Position thread into left side opening
of guide.
G. Pass thread under left side of guide
plate.
H. Use the tweezers to pass thread
through left needle eye front to back.
Pull at least 7 cm (3 inches) of
thread through the needle eye.
D
E
F
G
H
Thread right needle as illustrated below in steps a to i.
Thread guides with yellow color marking on machine.
a-c. Thread same sequence as
threading upper and lower
looper thread.
d. Hook thread into guide and pull it
towards left.
e. Hook thread into back opening
of guide.
f.
Hook into guide by sliding thread
across top and down into hole.
g. Position thread into right side
opening of guide.
h. Pass thread behind right side of
guide plate.
i.
Pass through right needle eye
front to back. Pull at least 7 cm
(3 inches) of thread through the
needle eye.
Summary of Contents for A-LINE Lauren BL450A
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