Brother 884-B03 Інструкція з експлуатації Посібник з експлуатації - Сторінка 13
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Chart of thread tension adjustment, Two needle (Four thread)
A: Reverse
B: Surface
C: Left needle thread
D: Right needle thread
E: Upper looper thread
F: Lower looper thread
C
A
B
A
D
B
C
A
D
B
A
E
F
B
A
F
E
B
A
F
E
B
Left needle
thread is
loose.
Right needle
thread is
loose.
Left needle
thread is tight.
Right needle
thread is tight.
Upper looper
thread is tight.
Lower looper
thread is
loose.
Upper looper
thread is
loose.
Lower looper
thread is tight.
Upper looper
thread is
loose.
Lower looper
thread is
loose.
Tighten left
needle thread.
(yellow)
Tighten right
needle thread.
(pink)
Loosen left
needle thread.
(yellow)
Loosen right
needle thread
(pink)
Loosen upper
looper thread
(green)
Tighten lower
looper thread
(blue)
Tighten upper
When you adjust the
looper thread
thread tension, do it in
(green)
the following order:
(1) Left needle thread
Loosen lower
(2) Right needle thread
looper thread
(blue)
(3) Upper looper thread
(4) Lower looper thread
This is the easiest way
Tighten upper
looper thread
to obtain the correct
(green)
thread tension.
Tighten lower
looper thread
(blue)
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