Brother International BE-1204B Stand Alone Type Instruction Manual - English - Page 45

Lower thread tension, This tension may vary depending on the used thread.

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Chapter 1 Preparations of operation 3. For adjusting the height, loosen the screw [1] and turn the tension spring bracket [2]. 4. For adjusting the tension spring force, insert a driver tip in the groove of the thread tension bar [3] and turn it. ! Lower thread tension To tighten To loosen W1251Q W1252Q The standard tension of the lower thread is 0.15 ~ 0.3N. This tension may vary depending on the used thread. In general, press the bobbin case to a smooth vertical surface and hang the designated number of coins. Turn the thread tension screw so that the lower thread will come out smoothly. Check that the bobbin is pushed out of the bobbin case by about 0.5 mm. If not, the slip prevention spring of the bobbin case does not work. Adjust the spring in height or replace it with a new one. (Refer to "Replacing Bobbin" on page 1-17.) We recommend the use of the optional gauge set TM-3 (S59956-001). W1396Q BE-1204B-BC • BE-1206B-BC 1-25

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BE-1204B-BC ° BE-1206B-BC
1-25
Chapter 1 Preparations of operation
3.
For adjusting the height, loosen the screw [1] and turn the tension spring bracket [2].
4.
For adjusting the tension spring force, insert a driver tip in the groove of the thread tension bar [3]
and turn it.
!
Lower thread tension
W1251Q
W1252Q
The standard tension of the lower thread is 0.15 ~ 0.3N.
This tension may vary depending on the used thread.
In general, press the bobbin case to a smooth
vertical surface and hang the designated number of coins.
Turn the thread tension screw so that the
lower thread will come out smoothly.
Check that the bobbin is pushed out of the bobbin case by about 0.5 mm.
If not, the slip prevention spring
of the bobbin case does not work.
Adjust the spring in height or replace it with a new one.
(Refer to
²Replacing Bobbin³ on page 1-17.)
W1396Q
We recommend the use of the optional gauge set TM-3 (S59956-001).
To tighten
To loosen