Brother NV4000D Service Manual page 226

Module
38
Drop knob attachment
1. Place the drop knob 1 onto the pin of the drop assembly, and then attach
the retaining ring (E3).
2. Attach the plate spring 2 with the screw 1.
*Key point
• Hang the lower hook of the plate spring over the base plate.
• Move the drop knob vertically to check that it operates (a click
can be heard).
1
3 - 94
Feed/rotary hook module
Screw, Bind
M3X4
Color; Silver
Torque
·
0.78 – 1.18 N m
1
Retaining ring E3
1 2