Brother Innov-is NV4000D, Service Manual

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Main parts Embroidery
Assembly
39
EMB relay PCB assembly lead wire connection
1. Thread the lead wire connector
1
of the drop switch assembly through the
guide of the drop lever support assembly
2
, and insert it to the EMB relay
PCB assembly
3
.
2. Thread the lead wire connector (white)
4
of the EMB unit lead wire
assembly through the guide of the drop lever support assembly
2
, and
insert it to the EMB relay PCB assembly
3
.
3. Thread the lead wire connector (black)
5
of the EMB unit lead wire
assembly through the guide of the drop lever support assembly
2
, wind it
over the lead wire connector (white)
4
one turn, and then insert it to the
EMB relay PCB assembly
3
.
4. Tie the 3 lead wires with a band.
2 1
5 3 4
40
ES main cover assembly attachment
1. Position the embroidery unit assembly with the main unit attachment
section on the right, and then slide the X carriage assembly
2
to the left as
far as possible.
2. Attach the ES main cover assembly
3
to the ES base cover assembly
1
with the 10 screws (
1
x5 and
2
x5).
*Key point
• Push the X carriage assembly to the felt of the ES main cover
assembly, and then slide the ES main cover assembly to the
left.
• Slide the X carriage assembly to the center, and then tighten
the 10 screws (
1
x5 and
2
x5) to the bottom of the ES base
cover assembly.
• Tighten the screws
1
in the following order:
1
-1,
1
-2,
1
-3,
1 -4, and 1 -5.
Tighten the screws
2
in the following order:
2
-1,
2
-2,
2
-3,
2 -4, and 2 -5.
1
Torque
0.79 – 1.18 N
·
m
2
Torque
0.79 – 1.18 N
·
m
1
1 -5
2
1 -4 1 -3 1 -2 1 -1
2
-4
2
-5
2
-3
2
-2
2
-1
3
Screw, Pan (S/P washer)
M4X8
Color; Silver
Taptite, Cup B
M4X14
Color; Silver