Brother Innov-is NV4000D, Service Manual

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Feed/rotary hook module Module
Assembly
28
Outer rotary hook attachment
1. Apply a bead of MOLYKOTE EM-30L to the outer rotary hook
attachment face of the shaft supporter
1
.
2. Apply a small bead of EPNOC AP (N)0 to the groove on the outer rotary
hook shaft
2
.
3. Attach the spacer
4
to the outer rotary hook assembly
3
, and then insert
the outer rotary hook shaft
2
.
4. Place washer 6
5
and the spacer
4
onto the outer rotary hook shaft
2
from the bottom.
NOTE
• The shape of the spacer
3
and washer 6
5
is the same. Be
careful not to confuse them. Washer 6 5 is thicker.
5. Rotate the outer rotary hook assembly
3
clockwise with the D-cut
6
face
of lower shaft B facing the top (the slit on the joint is horizontal) to insert
the outer rotary hook assembly
3
into the shaft supporter
1
.
*Key point
• Hold lower shaft B with the D-cut
6
face facing the top while
inserting the outer rotary hook assembly.
• Turn the outer rotary hook assembly counterclockwise 45
degrees and insert it so that the reference hole 7 on the outer
rotary hook faces the front.
6. Secure the outer rotary hook assembly with the screw
1
.
Start movie clip (CD-ROM version only)
Apply MOLYKOTE EM-30L to the outer rotary hook
attachment face of the shaft supporter.
Bead
Apply EPNOC AP (N)0 to the groove on the outer
rotary hook shaft.
Small bead
1
Torque
0.78 – 1.18 N
·
m
1
4
4
1
5
3
2
3
1
6
7
Set Screw, Socket (CP)
M4X6
Color; Black