Over Looper Position Adjustment - Brother SB3734T Service Manual

Adjustment
1. Turn the pulley counterclockwise rotation, and
then the over looper is the most left position.
2. Loosen the adjusting screw (screw, bind M4x4).
Screw, bind M4x4

Over looper position adjustment

Pulley
Over looper
3 - 10
3. Set the gauge at the position of the figure.
4. Move the over looper, and then adjust the tip of
the over looper to the position of contacting with
the gauge.
Needle (left)
Gauge
6.4 mm
5. Fasten the adjusting screw (screw, bind M4x4).
Screw, bind M4x4
Over looper