2. DISASSEMBLY
HE-800A
46
2-23. Lower thread trimmer mechanism (2)
1. Remove the plate spring (1).
2. Remove the shoulder screw (2), and then remove the opening plate assembly (3).
3. Remove the shoulder screw (4).
4. Remove the shoulder screw (5), and then remove the lower thread trimmer link assembly (6).
5. Remove the bolt (7), plain washer D (8) and spacer (9).
6. Loosen the set screw (10).
7. Remove the lower thread trimmer cam shaft (11), washer (12) and retaining ring (13).
8. Remove the lower thread trimmer cam lever (14).
9. Loosen the two set screws (15).
10.Remove the two lever shafts (16).
11.Remove the lower thread trimmer cam assembly (17) from the cover (18).
12.Remove the cover (18).
13.Remove the driving lever roller (19) and shoulder screw (20), and then remove the lower thread trimmer cam
connecting rod (21) from the lower thread trimmer cam (22).
14.Remove the retaining ring (23), and then remove the roller (24).
15.Remove the nut (25), and then remove the roller shaft (26) from the lower thread trimmer cam lever (14).
4163Q
4166Q
4164Q
4165Q
4167Q
4168Q
