Brother BAS-300G-484, Инструкция по эксплуатации

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4. PREPARATION BEFORE SEWING
23 BAS-300G-484, BAS-300G-484 SF
4-5. Installing the bobbin case
CAUTION
Turn off the power switch before installing the bobbin case.
If the foot switch is depressed by mistake, the sewing machine might start operating and injury could result.
1. Pull the hook cover (1) downward to open it.
2. While holding the bobbin so that the thread winds to the left, insert the bobbin into the bobbin case.
3. Pass the thread through the thread slot (2), pass it underneath the spring (3), and then pass it through the thread guide (4),
leaving a trailing-out length of about 30 mm.
4. Hold the latch on the bobbin case and insert the bobbin case into the rotary hook.
4-6. Installing the anti-spin spring
If the following situations occur, operation can be improved by using an anti-spin spring.
•
The lower thread becomes tangled inside the bobbin case
•
Uneven thread tightening occurs at the sewing start
4664M 4665M
Pull
Installation Removal
1. While inserting the projections on
the anti-spin spring (1) into the
grooves of the bobbin case, insert
the anti-spin spring (1).
2. Push the anti-spin spring (1) to insert it
securely so that it does not lift up
above the inside edge (A) of the
bobbin case.
Insert so that the higher middle
part is facing upward.
Use the tip of a screwdriver
or similar to remove as
shown in the illustration.
4715M 4716M
3230Q