Brother International 4234DT Users Manual - English and Spanish - Page 14

Chart of thread tension adjustment, One-needle Three-thread, Chart of thread tension adjustment, One

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Chart of thread tension adjustment, One-needle (Three-thread) A: Reverse B: Surface C: Needle thread D: Upper looper thread E: Lower looper thread C A B C E Needle thread is loose. Tighten needle thread. (yellow or green) A D B Needle thread is tight. Loosen needle thread. (yellow or green) E A D B Upper looper thread is tight. Lower looper thread is loose. Loosen upper looper thread (pink) Tighten lower looper thread (blue) E A Upper looper Tighten upper thread is loose. looper thread (pink) D B E A D B Lower looper thread is tight. Upper looper thread is loose. Lower looper thread is loose. Loosen lower looper thread (blue) Tighten upper looper thread (pink) Tighten lower looper thread (blue) When you adjust the thread tension, do it in the following order: (1) Needle thread (2) Upper looper thread (3) Lower looper thread This is the easiest way to obtain the correct thread tension. Chart of thread tension adjustment, One-needle (Two-thread) A: Reverse B: Surface C: Needle thread D: Lower looper thread C A D B C A BD 10 Needle thread is tight. Lower looper thread is loose. Needle thread is loose. Lower looper thread is tight. Loosen needle thread. (yellow or green) Tighten lower looper thread (blue) Tighten needle thread. (yellow or green) Loosen lower looper thread (blue) C A BD

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10
A
C
B
A
B
D
E
A
B
D
E
C
A
B
D
E
A
B
D
E
Chart of thread tension adjustment, One-needle (Three-thread)
When you adjust the
thread tension, do it in the
following order:
(1) Needle thread
(2) Upper looper thread
(3) Lower looper thread
This is the easiest way to
obtain the correct thread
tension.
A: Reverse
B: Surface
C: Needle thread
D: Upper looper thread
E: Lower looper thread
Needle thread is
tight.
Upper looper
thread is tight.
Lower looper
thread is loose.
Upper looper
thread is loose.
Lower looper
thread is tight.
Needle thread is
loose.
Tighten needle
thread.
(yellow or green)
Loosen needle
thread.
(yellow or green)
Loosen upper
looper thread
(pink)
Tighten lower
looper thread
(blue)
Tighten upper
looper thread
(pink)
Loosen lower
looper thread
(blue)
Tighten upper
looper thread
(pink)
Tighten lower
looper thread
(blue)
Upper looper
thread is loose.
Lower looper
thread
is loose.
Chart of thread tension adjustment, One-needle (Two-thread)
A: Reverse
B: Surface
C: Needle thread
D: Lower looper thread
A
C
D
B
A
C
D
B
A
C
D
B
Needle thread is
tight.
Lower looper
thread is loose.
Needle thread is
loose.
Lower looper
thread is tight.
Loosen needle
thread.
(yellow or green)
Tighten lower
looper thread
(blue)
Tighten needle
thread.
(yellow or green)
Loosen lower
looper thread
(blue)