Brother Innov-is NV4000D, Service Manual

Page: 144 / 381

3 - 12
Rotary hook driving unit, feed/rotary hook unit, thread
cutter unit, side feed unit
Main unit
5
Thread cutter module attachment
1. Attach the thread cutter module to the feed/rotary hook module with the
screws
1
and
2
on the bottom of the thread cutter module.
*Key point
• Engage the 2 positioning tabs on the thread cutter module
with the 2 positioning holes (round hole and semi-round hole)
on the feed/rotary hook module.
• Refer to "Thread cutter module" on page 3 - 59 for the
assembly procedure.
1
Torque
0.78 – 1.18 N
·
m
2
Torque
1.18 – 1.57 N
·
m
2
1
Screw, Bind
M 3X5
Color; Silver
Screw, Bind
M 4X5
Color; Silver
6
Side feed module removal attachment
1. Attach the side feed module
1
to the arm bed with the 2 screws
1
(CS-6
clip is secured to both screws).
*Key point
• Tighten the screws 1 in the following order: 1 -1 (temporarily
tighten),
1
-2 (fully tighten), and
1
-1 (fully tighten).
2. Attach the side feed adjust plate
2
of the side feed module to the feed bar
of the feed/rotary hook module with the 2 crews
2
.
*Key point
• Tighten the right screw 2 first.
• Refer to "Front/back and left/right position of feed dog
adjustment" on page 4 - 23 for the feed dog position check.
• Refer to "Side feed module" on page 3 - 66 for the assembly
procedure.
Start movie clip (CD-ROM version only)
1
Torque
1.47 – 1.96 N
·
m
2
Torque
0.79 – 1.18 N
·
m
2
1 2
1
-1
1 -2
Taptite, Bind S
M 4X10
Color; Gold
Screw, Bind
M 3X5
Color; Silver