Brother International BAS-326G PS Instruction Manual - English - Page 68

Replacing the movable and fixed knives, accessory spacers t=0.2

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10. STANDARD ADJUSTMENTS 10-11. Replacing the movable and fixed knives 2162B 1. Loosen the two bolts (1) and then remove the feed plate (2). 2. Open the hook cover, remove the two screws (3) and the two flat screws (4), and then remove the needle plate (5). 3. Remove the movable knife (6) and the fixed knife (7). 1890B 2267B 4. Install the new fixed knife (7) in the position shown in the illustration. 5. Apply grease to the outside of the collar (8) and to the shoulder screw (9), and then install the new movable knife (6) together with the thrust washer (10) and the movable knife spacer (11). 6. Check that the movable knife (6) and fixed knife (7) cut the thread cleanly. Replace the movable knife spacer with accessory spacers (t=0.2, 0.3, 0.4) so that the knives trim the thread accurately. * If the knife pressure is too weak and the thread is not completely cut, use a thinner movable knife spacer. * If the knife pressure is too strong and the movable knife (6) turns stiffly, use a thicker movable knife spacer. 7. Apply grease to the pin (12), place it into the movable knife connecting plate (13), and install it to the needle plate (5). 8. Check that the needle is aligned with the center of the needle hole. 59 BAS-326G PS

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10. STANDARD ADJUSTMENTS
BAS-326G PS
59
10-11. Replacing the movable and fixed knives
1. Loosen the two bolts (1) and then remove the feed plate (2).
2. Open the hook cover, remove the two screws (3) and the two flat screws (4), and then remove the needle plate (5).
3. Remove the movable knife (6) and the fixed knife (7).
4. Install the new fixed knife (7) in the position shown in the illustration.
5. Apply grease to the outside of the collar (8) and to the shoulder screw (9), and then install the new movable knife (6)
together with the thrust washer (10) and the movable knife spacer (11).
6. Check that the movable knife (6) and fixed knife (7) cut the thread cleanly. Replace the movable knife spacer with
accessory spacers (t=0.2, 0.3, 0.4) so that the knives trim the thread accurately.
* If the knife pressure is too weak and the thread is not completely cut, use a thinner movable knife spacer.
* If the knife pressure is too strong and the movable knife (6) turns stiffly, use a thicker movable knife spacer.
7. Apply grease to the pin (12), place it into the movable knife connecting plate (13), and install it to the needle plate (5).
8. Check that the needle is aligned with the center of the needle hole.
2267B
2162B
1890B