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Lower Shaft Bushing Attachment; Lower Shaft Assy. Attachment; Timing Pulley D Attachment - Brother XR9000 Service Manual

Computerized sewing machine with low-end computer 3 series.
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Main unit
1

Lower shaft bushing attachment

1. Attach the lower shaft bushing 2 and bushing presser B 3 to the base
plate assy. 1 with the 3 screws 1.
1
2

Lower shaft assy. attachment

1. Temporarily tighten the 2 screws 1 to the set collar 1, and attach the set
collar to the lower shaft assy. 2.
*Key point
• Set the set collar with the machined surface facing out.
2. Insert the thrust washer 3 into the lower shaft assy. 2, and attach them to
the lower shaft bushing 4.
3. Insert the thrust washer 5 into the lower shaft assy. 2, and attach the
retaining ring (E6).
4. Push the lower shaft assy. 2 from the retaining ring side, move the set
collar 1 to the lower shaft bushing 4, and then secure them with the 2
screws 1.
1
3

Timing pulley D attachment

1. Insert the upper shaft bushing 2 into the lower shaft assy. 1, and attach
the retaining ring (E6).
2. Insert the timing pulley D 3 into the lower shaft assy. 1, and secure them
with the 2 screws 1.
1
3 - 26
Feed unit
Taptite, Bind B
M3X6
Set Screw, Socket (CP)
M4X4
Set Screw, Socket (CP)
M5X5
Torque
·
0.39 — 0.78 N
m
3 1
5
Retaining ring E6
Torque
·
0.78 — 1.18 N
m
1
Torque
·
1.18 — 1.57 N
m
1
1
2
3
2
1
4
Retaining ring E6
2
2
3
1

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