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Needle Bar Assembly Attachment; Needle Bar Assy Assembly; Thread Take-up Lever Link Attachment - Brother BC800 Service Manual

For computerized sewing machine; low-end computer series.
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Main unit
11

Needle bar assembly attachment

1. Insert the needle bar assembly 1 from the bottom of the needle holder
assembly, and then insert the needle bar block 2 and the needle thread
block 3 through the needle bar assembly and then through to the upper
hole.
*Key point
• Insert the needle bar block 2 and the needle thread block 3
so that the shaft of the needle bar block 2 is on the right side
and the tab of the needle thread block 3 is on the left side.
Start movie clip (CD-ROM version only)
11-1

Needle bar ASSY assembly

1. Attach the presser feed holder assembly 1 to the needle bar assembly 2
with the screw 1.
*Key point
• The screw 1 should be on the right side when the groove on
the needle bar assembly 2 faces the front.
1
12

Thread take-up lever link attachment

1. Insert the shaft 1 into the base holder 2, and then align the screw 1 with
the trench on the base holder 2, and tighten it temporarily.
2. Attach the thread take-up lever link 3.
3. Apply a light covering of MOLYKOTE EM-30L to the circumference of
the shaft within 10 mm of the retaining ring.
4. Insert the spring washer 4 into the shaft 1.
5. Attach the retaining ring (E5) to the groove on the shaft 1.
Start movie clip (CD-ROM version only)
Apply MOLYKOTE EM-30L to the circumference of the
shaft within 10 mm of the retaining ring.
1
Needle-presser unit
Needle Clamp Screw
Color; Black
Light covering
Screw, Pan (S/P washer)
M3X8DB
Hand tighten
Color; Silver
1
1
XC8385***
1
Torque
2
3
1
2
1
3
4
Retaining ring E5
2
1
3 - 43

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Fs50

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