Brother KE-484C Instruction Manual page 34

7-5-2. Lower thread tension
7-5-3. Upper thread tension
7-5-4. Thread take-up spring height
1.0 - 1.2 N
Weaker Stronger
Stronger
Weaker
Stronger
Weaker
Lower
Higher
Turn the thread tension nut (1) to adjust the lower thread tension
to between 1.0 - 1.2 N.
3185Q
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.
3186Q
Loosen the set screw (1) and turn the tensioner body to adjust
the thread take-up spring height.
3187Q
KE-484C
7. CORRECT USE
28