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Assembly Of Thread Unit L (attachment Of Thread Tension Dial) - Brother NV-10A Service Manual

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Main unit
1-3

Assembly of Thread unit L (Attachment of Thread tension dial)

1. Insert the tension disc A 2, the tension disc B 3, the washer 0, the
thread release plate 5, the tension disc washer 6, the washer 7 and the
into the shaft of the Thread unit L 1.
spring
S03
*Key point
• Check that the notch part 8 of the tension disc A 2 and the
tension disc B 3 align the protrusion 9 of the Thread unit L.
2. Attach the thread tension adjusting screw A to the thread tension plate 0,
and then engage the protrusion D of the thread tension plate 0 in the
groove C of the thread tension dial B, and then insert the tension
adjusting screw A into the shaft of the Thread unit L 1, and then attach
the thread tension dial B to the Thread unit L 1 with the tension dial shaft
E.
3. Attach the notched spring F to the Thread unit L 1 with the screw 1.
*Key point
• Insert the tip of notched spring F into the bottom of the thread
tension dial B.
• Check that the boss part of the Thread unit L 1 engaged with
the positioning hole of the notched spring F.
1
12.0
S03
1-4
Assembly of Thread unit L (Attachment of Bobbin winder guide assy.)
1. Set the bobbin winder guide assy. 1 to the Thread unit L 2, and then
tighten the screw 1.
*Key point
• Fully tighten the screw after performing "4-18 Adjustment of
Bobbin winder".
1
3 - 20
Thread tension mechanism
Screw, Pan
M3X4
7.6
Screw
3X10
8
Torque
0.78 – 1.18 N·m
SPRING
X55842***
9
Torque
0.59 – 0.78 N·m
5
:
A
7
2
3
S03
6
4
1
B
C
B
E
D
F
1
2
1
1
F
1
E
1

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