Brother NV4000D Service Manual page 211

Module
12
Feed arm assembly attachment
1. Insert the feed arm assembly 1 from the bottom.
*Key point
• Insert the feed rectangular side shaft 3 of feed arm B 2 into
the feed adjuster 4 on the top side.
2. Place the thrust washer 5 between the left base plate and feed arm A.
3. Insert the grooved end of the horizontal feed shaft 6 from the left base
plate.
4. Pass the horizontal feed shaft 6 through to the left feed arm A.
5. Place the thrust washer 5 between right feed arm A and the base plate.
6. Pass the horizontal feed shaft 6 through to the right base plate.
7. Attach the retaining ring (E5) between right feed arm A and the base plate.
*Key point
• Move the retaining ring (E5) to feed arm A so that it can
secure the thrust washer 5.
8. Apply 1 or 2 drops of sewing lubricant to the 2 sections 6 where the
horizontal feed shaft is inserted in feed arm A.
Apply sewing lubricant to the 2 sections where the
horizontal feed shaft is inserted in feed arm A.
Start movie clip (CD-ROM version only)
13
Set screw collar attachment
1. Attach the set screw collar
the screw .
1
*Key point
• Move the horizontal feed shaft in the direction of the set screw
collar to eliminate backlash, and then press the set screw
collar to the base plate.
Start movie clip (CD-ROM version only)
1
Feed/rotary hook module
1 - 2 drops each
to the horizontal feed shaft
1
Set Screw, Socket (CP)
M4X4
1.18 – 1.57 N
Color; Black
3
6
1
with
2
Torque
·
m
1
1
4
2
Retaining ring E5
5
2
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