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Attachment Of Drop Knob - Brother NV-10A Service Manual

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Modules
11

Attachment of Drop knob

1. Attach the drop knob 1 to the base plate assy.
*Key point
• Attach it while lifting the section 3 to get over the boss part 2
of the base plate assy.
2. Attach the retaining ring E3 to the vertical feed shaft 4.
3. Set the base plate assy. as shown in the right figure, and then insert the
vertical feed shaft 4 into the base plate assy., the drop knob 1, the washer
plain 5, the spring
base plate from the left side.
*Key point
• Insert it until the retaining ring hit the base plate assy.
4. Attach the 3 retaining rings E3 to the grooves (3 locations) of the vertical
feed shaft 4.
Apply EPNOC AP (N) 0 to the sliding parts of the
drop knob and the base plate assy.
Lubricate the vertical feed shaft with OILER.
Apply EPNOC AP (N) 0 to the vertical feed cam
surface A.
S12
12
Attachment of Vertical adjuster screw assy.
1. Attach the M5 nut 2 to the vertical adjuster screw assy. 1.
2. Attach the vertical adjuster screw assy. 1 to the feed bar 3.
*Key point
• Refer to "4-22 Adjustment of Feed dog height".
3 - 61
Feed and bobbin module
, the vertical lever 6, the drop knob 1 and the
S12
11
5.7
4
Bead
XC8387***
1-2 drops
XZ0206***
Small amount
XC8387***
Retaining ring E3
SPRING
XC2550***
3
2
5
6
S12
A
4
Retaining ring E3
3
2
1
1
1

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