4. PREPARATION BEFORE SEWING
27
BAS-326H-484, BAS-326H-484 SF
Adjusting the bobbin winding amount
Loosen the screw (6) and move the bobbin presser (7).
If the thread winds onto the bobbin unevenly
Loosen the set screw (8) and move the bobbin winder
tension assembly (9) up and down to adjust.
* For case A, move the bobbin winder tension assembly
(9) down, and for case B, move it upward.
4-4. 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.
4665M
3230Q
Pull
3708B
Case B
Case A
3712B