Thread Breakage Detection Mechanism - Brother HE-800A Service Manual

2-4. Thread breakage detection mechanism

4087Q
1. Remove the two screws (1), and then remove the two lever stoppers (2).
2. Remove the screw (3), and then remove the balancer (4) from the cutter bar fixing plate (5).
3. Loosen the set screw (6), and then remove the cutter bar fixing plate (5) from the thread breakage perceiving
shaft (7).
4. Remove the two screws (8), and then remove the thread breakage sensor assembly (9).
5. Remove the thread breakage perceiving shaft (7) from the arm.
6. Remove the plain washers (10) and (11) and the screw (12), and then remove the thread guide (13) from the
thread breakage perceiving shaft (7).
HE-800A
2. DISASSEMBLY
4088Q
4089Q
25