Clearance Between The Needle And The Rotary Hook Point Adjustment - Brother NX600 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 - 5 "Test Modes (When changing modes, turn the power off, and restart the test mode)") for starting test
mode with the front cover in place.
2. Press SW5 four times (with the front cover in place, press
three times.), and move the needle bar to the right base line position.
3. Remove the M4 screws (two), and remove needle plate A from the feed base.
4. Loosen the screw (3X20).
5. Hand turn the pulley until the right edge of the needle and the outer rotary hook tip meet.
6. 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.
7. Tighten the screw (3X20).
4 - 12

Clearance between the needle and the rotary hook point adjustment

twice and select , and after pressing ), press