Adjusting The Thread Wiper; Presser Foot Installation Position - Brother BAS-311H Service Manual

8-14. Adjusting the thread wiper

3136B
1. Loosen the two screws (3) and shift the entire solenoid setting plate (4) up or down to adjust so that the thread wiper (2) is
15 mm in front of the needle center when the plunger (1) of the thread wiper solenoid is driven to the full stroke.
2. Loosen the screw (5) and adjust the position of the thread wiper (2) so that the distance from the thread wiper (2) to the tip
of the needle is approximately 2 mm and the tip of the thread wiper (2) is approximately 3 mm from the center of the needle
when the thread wiper (2) passes below the needle during operation.
Note: Check that the thread wiper (2) does not touch the finger guard.

8-15. Presser foot installation position

5008Q
Install the presser foot (1) with the screw (2) so that the
distance from the bottom of the presser foot (1) to the top of
the needle plate is 22 mm when the sewing machine is
stopped and the presser foot (1) is raised.
5031Q
BAS-311H
8. ADJUSTMENT
Approx. 2 mm
Approx. 3 mm
5009Q
94