Brother NV4000D Service Manual page 164

Main unit
17
Belt guide attachment
1. Apply 1 drop of SHINETSU silicon KF-96-100CS to the oscillating
section of the belt guide's belt and rollers.
2. Attach the belt guide 1 to the thread guard with the screw 1.
*Key point
• Hang the lower section of the belt guide over the thread guard
from the position shown in the illustration on the right, and
then engage the 2 positioning tabs on the belt guide with the
corresponding positioning holes on the thread guard.
Apply SHINETSU silicon KF-96-100CS to the
oscillating section of the belt guide's belt and rollers.
Start movie clip (CD-ROM version only)
1
18
Driving pulley attachment
1. Place the 2 rollers 1 onto the corresponding shafts of the belt guide.
*Key point
• Position the roller tab face up.
2. Place the driving pulley 2 onto the shaft of the TG pulse motor assembly .
*Key point
• Position the driving pulley gear face up.
3. Hang the belt 3 over the roller, driving pulley, and roller in this order,
with the gear of the belt 3 facing out.
Start movie clip (CD-ROM version only)
19
Thread hook attachment
1. Insert the thread hook 1 into the belt guide 2 as shown in the illustration
on the right.
2. Apply 1 drop of SHINETSU silicon KF-96-100CS to the belt guide
oscillating section of the thread hook slider 3.
3. Insert the thread hook slider 3 into the thread hook, and then insert it into
the belt gear.
Apply SHINETSU silicon KF-96-100CS to the belt
guide oscillating section of the thread hook slider.
Start movie clip (CD-ROM version only)
3 - 32
Thread tension unit
Screw, Bind
M3X4
Color; Silver
1 drop
Torque
·
0.78 – 1.18 N m
1 drop
1
1
2 3 3
1
1 2
3 3