Brother STAR 120E Service Manual download pdf (Page 33)

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14. POSITION OF N.P. (NEEDLE POSITION) SHUTTER

(B375, B376 AND B377)

STANDARD

The needle position shutter works when the needle bar is 1.9 mm below its highest position (approx. 37°

counterclockwise from the topmost needle bar position).

ADJUSTMENT

1. Turn the pulley counterclockwise until the needle is 1.9 mm below its highest position.

2. Remove the two screws on the sensor PC board of the controller PC board assembly, then remove the

sensor PC board.

3. Loosen the screw on the rotary shutter.

4. Slowly turn the rotary shutter counterclockwise to adjust the face of the center shutter so that it is

centered slit of the insulation cover.

5. Tighten the screw on the rotary shutter.

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Insulation cover

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1.9 mm

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Brother STAR 120E Service Manual Page 33