Brother International BAS-326G PS Basic Instruction Manual - English - Page 30

Thread tension

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4. PREPARATION BEFORE SEWING 4-6. Thread tension [Thread tension reference] Upper thread Lower thread Upper thread tension (N) Lower thread tension (N) Pre-tension (N) Needle Normal sewing speed #20 or similar #20 or similar 1.0 − 1.6 0.4 − 0.6 0.3 − 0.6 DP x 17 #19 2,000 sti/min 4-6-1. Lower thread tension Weaker Stronger Adjust the lower thread tension by turning the adjusting screw (1). 4-6-2. Upper thread tension 1875B 1. Turn the tension nut (1) (main tension) to adjust the tension as appropriate for the material being sewn. 2. Use the tension nut (2) (sub tension) to adjust the upper thread trailing length to about 45 mm. Stronger Weaker Stronger Weaker 2153B 22 BAS-326G PS

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4. PREPARATION BEFORE SEWING
22
BAS-326G PS
4-6. Thread tension
[Thread tension reference]
Upper thread
#20 or similar
Lower thread
#20 or similar
Upper thread tension (N)
1.0
1.6
Lower thread tension (N)
0.4
0.6
Pre-tension (N)
0.3
0.6
Needle
DP x 17 #19
Normal sewing speed
2,000 sti/min
4-6-1. Lower thread tension
Adjust the lower thread tension by turning the adjusting
screw (1).
4-6-2. Upper thread tension
1. Turn the tension nut (1) (main tension) to adjust the
tension as appropriate for the material being sewn.
2. Use the tension nut (2) (sub tension) to adjust the upper
thread trailing length to about 45 mm.
Weaker
1875B
Stronger
2153B
Weaker
Stronger
Weaker
Stronger