Brother NV4000D Service Manual page 268

Embroidery
4
Y slider assembly attachment
1. Attach the YT belt presser plate 1 to the Y slider 3 with the tab 2 on the
bottom.
2. Temporarily tighten the screw 1 in the YT belt presser plate 1.
3. Place the timing belt (Y belt) 4 between the Y slider 3 and the YT belt
presser plate 1.
*Key point
• Align the ridge on the Y slider with the trough on the timing belt
(Y belt).
4. Fully tighten the screw 1.
Start movie clip (CD-ROM version only)
1
5
Y tension pulley assembly attachment
1. Hang one end of the timing belt (Y belt) 1 over the driving gear pulley
assembly 2.
2. Place the Y slider 3 over the Y sensor PCB assembly 4, and then insert
the guide 6 on the X carriage assembly into the groove 5 on the Y slider
3.
3. Hang the other end of the timing belt 1 over the tension pulley assembly
7, and then attach the tension pulley assembly 7 to the left side of the X
carriage assembly 6 with the 2 screws 1.
*Key point
• Move the tension pulley assembly to the left to attach it.
• Tighten the screw 1 on the right lightly (0.19 - 0.39 Nm).
• Refer to "Y-belt tension adjustment" on page 4 - 30 for the
tension adjustment procedure.
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3 - 136
Main parts
Screw, Pan (S/P washer)
M4X8
Color; Silver
Screw, Pan (S/P washer)
M4X8
Color; Silver
Torque
·
1.18 – 1.57 N m
Torque
·
0.19 – 0.39 N m
·
1.18 – 1.57 N m
1
2 3
4 1
3 1
5 6 4 2
1 1
7