2. DISASSEMBLY
HE-800A
41
2-19. Bobbin presser mechanism
1. Remove the two extension springs (1).
2. Remove the shoulder screw (2), and then remove the opening plate (3) from the rotary hook cover (4).
3. Remove the shoulder screw (5), and then remove the bobbin presser bracket assembly (6) and the auxiliary
plate (7).
4. Remove the shoulder screw (8), and then remove the auxiliary plate (7) and the opening plate (3).
5. Loosen the set screw (9), and then remove the bobbin presser (10) from the bobbin presser bracket assembly
(6).
6. Remove the screw (11) and the nut (12).
7. Remove the spring hook U (13).
4147Q
4146Q
4145Q