Brother NV4000D Service Manual page 149

Main unit
6
Bobbin presser cover attachment
1. Attach the bobbin presser cover 1 to the bobbin winder holder assembly
2 with the screw 1.
*Key point
• Engage the positioning tab on the bobbin presser cover with
the positioning hole on the bobbin winder holder assembly.
• Tighten the screw
1
7
Bobbin winder assembly attachment
1. Attach the bobbin winder assembly 1 to the rear of the upper cover with
the 3 screws 1.
*Key point
• Tighten the screws 1 in the following order: 1-1, 1-2, and
1-3.
2. Tie the BW motor lead wire and the BWSW lead wire with a band.
*Key point
• Pass the BW motor lead wire over the motor.
• Place the band in the groove on the bobbin presser guide
cover. Remove any slack from the lead wires and tie them.
1
Bobbin winder unit
from the rear.
1
Taptite, Bind B
M3X8
0.79 – 1.18 N
Color; Gold
Taptite, Bind B
M4X10
0.79 – 1.18 N
Color; Gold
Torque
·
m
1
Torque
·
m
1
2
1
1-1
1-2 1-3
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