Brother NV4000D Service Manual page 84

Modules
34
Thread take-up lever assembly removal
1. Remove the screw 1, and then remove the thread take-up lever assembly
1.
*Key point
• The screw 1 has a reverse helical flute thread.
2. Remove the 2 screws 2, and then remove the needle bar crank 2 and the
needle bar crank rod 3.
Start movie clip (CD-ROM version only)
35
Thread take-up counter weight removal
1. Remove the 2 screws 1.
*Key point
• Remove the 2 face-to-face screws 1 tightened at the center
of the thread take-up counter weight.
2. Remove the thread take-up counter weight 2 and the thrust wafer 3 from
the unit shaft 1.
3. Pull out the unit shaft 1 in the direction of the arrow, and then remove the
thrust wafer 3 and the retaining ring (E8).
Start movie clip (CD-ROM version only)
2 - 62
Needle-presser module
3 2
1 2 1
1
Retaining ring E8
3
1
2