Clearance Between The Needle And The Rotary Hook Point Adjustment - Baby Lock BLMY Service Manual

Adjustment (Main Unit)
1. Remove the front cover, and turn on the power while pushing SW1 and SW3 on the main PCB assy. (the buzzer
sounds four times and test mode starts)
*See (4 - 4 "Test Mode") for starting test mode with the front cover in place.
2. Press SW5 four times (with the front cover in place, press
press three times.), and move the needle bar to the right base line position.
3. Turn the power off.
4. Remove the M4 screws (two), and remove needle plate A from the feed base.
5. Loosen the screw (3X20).
6. Hand turn the pulley until the right edge of the needle and the outer rotary hook tip meet.
7. Adjust the gap between the needle and the outer rotary hook tip (front and back) to 0.1 mm or less using the
tightening depth of the adjusting screw.
8. Tighten the screw (3X20).
9. Attach the needle plate A to the feed base using M4 screws (two).
Back
Tip
Tighten the screw
(M3X20)
Adjusting screw
4 - 12

Clearance between the needle and the rotary hook point adjustment

Front
0.1mm or less
Needle
twice and select , and after pressing
17 3
),