Presser Bar Height And Parallelism Adjustment - Baby Lock BLSY Service Manual

Adjustment
1. Attach J presser foot.
2. Raise the presser foot lifter.
3. Turn the pulley by hand until the feed dog is lower than needle plate A.
4. Loosen the set screw (CP, M5X10) securing the presser bar clamp assembly.
5. Adjust the height of the presser bar so that the clearance between the top of needle plate A and the bottom of the
presser is 7.0 - 7.5 mm.
6. Tighten the set screw (CP, M5X10) to secure the presser bar clamp assembly.
NOTE
• Use the J presser foot.
• Adjust the presser bar so that the needle plate feed dog hole is parallel to the presser.
Set screw, socket (CP) M5x10
START
STOP
7.0-7.5mm
4 - 12

Presser bar height and parallelism adjustment

Upper surface
of needle plate A