Brother NV4000D Service Manual page 183

Main unit
17
Front cover assembly (SS PCB assembly attachment)
1. Attach the SS PCB assembly 1 to the SS button on the rear of the front
cover with the 2 screws 1.
*Key point
• Insert each switch section on the SS PCB assembly 1 into
the SS button.
• Tighten the screws 1 in the following order: 1-1 and 1-2.
2. Attach the S holder 2 to the SS PCB assembly 1 with the 2 screws 2.
*Key point
• Tighten the screws 2 in the following order: 2-1 (temporarily
tighten), 2-2 (fully tighten), and 2-1 (fully tighten).
1
2
18
Front cover assembly (thread PCB assembly attachment)
1. Attach the thread PCB assembly 1 to the thread button inside the front
cover with the 2 screws 1.
*Key point
• Insert the switch section on the thread PCB assembly 1 into
the thread button.
• Tighten the screws 1 in the following order: 1-1 (temporarily
tighten), 1-2 (fully tighten), and 1-1 (fully tighten).
1
Main parts
Taptite, Bind B
M3X8
0.39 – 0.79 N
Color; Gold
Taptite, Bind B
M3X14
0.39 – 0.79 N
Color; Gold
Taptite, Bind B
M3X8
0.39 – 0.79 N
Color; Gold
1-2
2-1
Torque
·
m
Torque
·
m
Torque
·
m
1-1
1 1-1
2 2-2
1
1-2
3 - 51