Brother International KE-484C Instruction Manual - English - Page 34
CORRECT USE, Lower thread tension, Thread take-up spring height
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7-5-2. Lower thread tension 1.0 - 1.2 N Weaker Stronger 7. CORRECT USE Turn the thread tension nut (1) to adjust the lower thread tension to between 1.0 - 1.2 N. 7-5-3. Upper thread tension 3185Q Stronger Weaker Turn the tension nut (1) (main tension) to adjust the tension as appropriate for the material being sewn. Furthermore, turn the thread nut (2) (sub-tension) to adjust the remaining length of upper thread to 35 - 40 mm, when the thread take-up lever is not used. Stronger Weaker 7-5-4. Thread take-up spring height Lower Higher 3186Q Loosen the set screw (1) and turn the tensioner body to adjust the thread take-up spring height. 3187Q KE-484C 28
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7. CORRECT USE
28
KE-484C
7-5-2.
Lower thread tension
Turn the thread tension nut (1) to adjust the lower thread tension
to between 1.0 - 1.2 N.
7-5-3.
Upper thread tension
Turn the tension nut (1) (main tension) to adjust the tension as
appropriate for the material being sewn.
Furthermore, turn the thread nut (2) (sub-tension) to adjust the
remaining length of upper thread to 35 - 40 mm, when the thread
take-up lever is not used.
7-5-4.
Thread take-up spring height
Loosen the set screw (1) and turn the tensioner body to adjust
the thread take-up spring height.
3186Q
Weaker
Stronger
Weaker
Stronger
3185Q
1.0 - 1.2 N
Weaker
Stronger
3187Q
Lower
Higher