Brother Innov-is NV4000D, Service Manual

Page: 240 / 381

3 - 108
Module Needle-presser module
4
Presser bar attachment
1. Insert the presser bar bushing
1
into the shaft hole on the bottom of the
unit holder.
2. Attach the plate spring
2
to the unit holder with the screw
1
.
*Key point
• Press the presser bar bushing with the plate spring.
3. Attach the retaining ring (E5) to the groove on the presser bar
3
.
4. Dip the tip of the presser bar
3
(opposite end from the retaining ring) in
Turbine oil #100.
5. Insert the presser bar
3
into the presser foot rack
4
.
6. Temporarily attach the screw
2
to the presser bar clamp
5
.
7. Adjust the presser bar height and parallel alignment, and then fully tighten
the screw
2
.
*Key point
• Refer to "Presser bar height and parallelism adjustment" on
page 4 - 12 for the adjustment procedure.
8. Apply a bead of MOLYKOTE EM-30L to the groove on the stopper pin of
the unit holder.
9. Insert spring and the presser bar clamp
5
into the presser bar
3
.
*Key point
• Engage the stopper pin
6
of the presser bar clamp
5
with the
groove on the stopper pin of the unit holder.
10. Pass the presser bar
3
through to the presser bar bushing
1
.
Start movie clip (CD-ROM version only)
Dip the tip of the presser bar (opposite end from the
retaining ring) in Turbine oil #100.
Dipping
Apply MOLYKOTE EM-30L to the groove on the
stopper pin of the unit holder.
Bead
1
Torque
0.58 - 0.78 N
·
m
2
Torque
0.58 - 0.78 N
·
m
S60
4
2
1 1
Retaining ring E5
3
5 2
S60
6
S60
Taptite, Bind B
M 3X8
Color; Gold
Set Screw, Socket (CP)
M5X10
Color; Black
SPRING
XC7810***
6.5
53