Thread Guide Shutter Clearance Adjustment - Baby Lock BLSY Service Manual

Adjustment
1. Check that there is no step between the thread guide cover A and the thread guide cover B before adjustment.
2. Rotate the thread tension dial counterclockwise until it stops (Fig. 1).
3. Loosen the pan head screw (S/P washer, M3X6) securing the link A shaft plate assembly (Fig. 2).
4. Move the link A shaft plate assembly to adjust the clearance between the thread guide shutter and the thread guide
cover to 2.0 to 3.0 mm (Fig. 3).
5. Tighten the pan head screw (S/P washer, M3X6) to secure the link A shaft plate assembly (Fig. 2).
6. Rotate the thread tension dial clockwise until it stops, and check that the clearance between the thread guide
shutter and the thread guide cover is 0 mm (Fig. 4).
Fig. 1
Fig. 3
2.0 - 3.0mm
4 - 16

Thread guide shutter clearance adjustment

Fig. 2
Screw Pan (S/P washer) M3X6
Fig. 4
0.0mm