Brother HE-800A Service Manual page 23

4062Q
Figure F
3. Then, when the feed mechanism moves forward, the cam (6) that is secured to the feed arm (1) moves in the
direction of the arrow (forward) and moves the back plate (7) in the direction of the arrow (forward).
4. When the back plate (7) and the stop plate (8) lock together and clamp the upper thread trimmer lever (9) and
the stop plate (8) separates from the back stopper (10), the upper thread trimmer lever (9) is pulled in the
direction of arrow E by the spring (11), and the upper thread trimmer assembly (5) changes from the condition
in Figure F to the one in Figure G and the upper thread trimmer opens fully.
Figure G
HE-800A
1. MECHANICAL DESCRIPTIONS
4063Q
4064Q
15