Brother NV4000D Service Manual page 209

Module
9
Drop assembly adjustment
1. Loosen the screw 1 to free the set screw collar 1, and then move the
vertical lever 2.
*Key point
• Move the vertical lever 2 until the cam contact section 4 of
the vertical lever is directly above the vertical feed cam 3 of
the lower shaft B assembly.
2. Move the set screw collar 1 to the vertical lever 2, and then secure the set
screw collar 1 with the screw 1.
Start movie clip (CD-ROM version only)
1
10
Grease application
1. Apply a bead of EPNOC AP (N)0 to the horizontal feed cam 1 of the
lower shaft B assembly.
2. Apply a bead of EPNOC AP (N)0 to the vertical feed cam 2 of the lower
shaft B assembly.
3. Apply a bead of EPNOC AP (N)0 to the circumference of the lower shaft
gear 3 of the lower shaft B assembly.
Apply EPNOC AP (N)0 to the horizontal feed cam of
the lower shaft B assembly.
Apply EPNOC AP (N)0 to the vertical feed cam of the
lower shaft B assembly.
Apply EPNOC AP (N)0 to the circumference of the
lower shaft gear of the lower shaft B assembly.
Feed/rotary hook module
Set Screw, Socket (CP)
M4X4
1.18 – 1.57 N
Color; Black
1 1
Torque
·
m
3
Bead
Bead
Bead
3
2 4
1
2
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