Brother NV4000D Service Manual page 55

Main unit
22
Thread tension gear assembly removal
1. Remove the retaining ring (E3), and then remove the thread tension gear
assembly 1.
2. Loosen the tension adjusting screw 2, and then remove the tension plate
assembly 3.
3. Remove the tension adjusting screw 2, spring
disk washer 6, tension release plate assembly 7, and washer 5 from the
thread tension disk shaft 4 of the thread guard.
4. Remove the retaining ring (E2), and then remove spring
washer (S3) 9 from the calking pin 8 of the thread guard.
5. Remove tension disk B @ and tension disk A A from the tension thread
disk shaft 4 of the thread guard.
Start movie clip (CD-ROM version only)
Thread tension unit
, washer 5, tension
S05
S02
and the plain
2
5 7
9
8
S02
1 Retaining ring E3
3
6 5 2
S05
4
A :
Retaining ring E2 4
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