Brother International BAS-326G PS Basic Instruction Manual - English - Page 29

4. PREPARATION BEFORE SEWING 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. 1872B 1897B 1873B 1874B 1. Pull the hook cover (1) downward to open it. 2. While holding the bobbin so that the thread winds to the right, 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 35 mm. 4. Hold the latch on the bobbin case and insert the bobbin case into the rotary hook. 5. Clamp the lower thread in the thread hold spring (5). 6. Use the threading bar (6) to pass the thread through the window of the inner rotary hook. (The thread will be released from the thread hold spring (5).) BAS-326G PS 21