Brother 884-B01, OVERLOCK MACHINE Chart of thread tension adjustment, One-needle (Three-thread), Chart of thread tension adjustment, One-needle (Two-thread)

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

A: Reverse B: Surface

C

A

B

CE

C: Needle thread D: Upper looper thread

Needle thread is loose.

E: Lower looper thread

Tighten needle thread.

(yellow or green)

A

B

A

D

E

D

Needle thread is tight.

Upper looper thread is tight.

Loosen needle thread.

(yellow or green)

Loosen upper looper thread (pink)

B

E

A

D

B

E

A

D

B

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 lower looper thread (blue)

Tighten upper looper thread (pink)

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		Needle thread is
		tight.		Loosen needle	C
A				thread.	A
		Lower looper		(yellow or green)
	D
B		thread is loose.				D
				Tighten lower	B
				looper thread
				(blue)
C		Needle thread is
		loose.		Tighten needle
A
				thread.
		Lower looper		(yellow or green)
B	D	thread is tight.		Loosen lower
10				looper thread
				(blue)