2. DISASSEMBLY
HE-800A
26
2-5. Upper thread trimmer mechanism
1. Remove the screw (1), spring washer (2) and plain washer (3), and then remove the upper thread trimmer
assembly (4) from the thread trimmer lever set (5).
2. Remove the two springs (6) from the thread trimmer lever set (5).
3. Remove the bolt (7), and then remove the trimmer driving arm assembly (8) from the trimmer driving lever (9).
4. Remove the two bolts (10) and plain washers (11), and then remove the support plate (12) and the stopper (13)
from the trimmer driving arm (14).
5. Remove the retaining ring (15), and then remove the driving arm roller (16).
6. Remove the nut (17) and the spring washer (18), and then remove the roller shaft (19) from the support plate
(12).
7. Remove the bolt (20), and then remove the longitudinal feed arm assembly (21) from the trimmer driving lever
(22).
8. Remove the two retaining rings (23), and then remove the longitudinal feed arm roller (24).
4090Q
4091Q
4092Q