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Assembly Of Thread Unit L (attachment Of Thread Catching Spring Case) - Brother NV-10A Service Manual

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Main unit
1-1

Assembly of Thread unit L (Attachment of Thread catching spring case)

1. Attach the spring tape 2 to the Thread unit L 1.
S02
2. Attach the spring
*Key point
• Check that the tip of the spring insert into the hole 4 from the
bottom of the thread catching spring case, when set it as
shown in the right figure.
• Check that the spring is between the protrusions 5 (2
locations).
3. Attach the thread catching spring case 3 to the Thread unit L 1 with the
screw 1.
*Key point
• Check that the protrusions 5 (2 locations) of the thread
catching spring case 3 engaged with the positioning hole 6
of the Thread unit L 1.
• Check that from the lower side of the notch part of the Thread
unit L 1 to the bent section of the spring is 9 to 10 mm.
1
S02
7.4
1-2
Assembly of Thread unit L (Attachment of Thread guide wire)
1. Attach the thread guide wire 1 and the washer 2 to the Thread unit L 3
with the screw 1.
*Key point
• Check that the section 4 of the thread guide wire 1 engaged
with the notch part 5 of the Thread unit L 3.
1
Thread tension mechanism
to the thread catching spring case 3.
Screw, Pan (Washer)
M3X18
15.6
Screw, Pan (S/P washer)
M3X6
9-10mm
Torque
0.59 – 0.78 N·m
SPRING
XE2029***
5
Torque
0.59 – 0.78 N·m
4
1
2
3
4
S02
5
1
6
1
5
3
2
3
1
1
3 - 19

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