Brother Innov-is NV4000D, Service Manual

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Thread tension unit Main unit
Disassembly
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 , washer
5
, tension
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 and the plain
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)
5
1
2 3
7 6 5 2
4
9 A :
4 8
Retaining ring E3
Retaining ring E2
S05
S02
S05
S02