Brother NV4000D Service Manual page 74

Modules
9
Lock nut removal
1. Remove the screw 1 with the lock nut 1 attached.
2. Remove the lock nut 1 from the screw 1.
10
Zigzag adjusting nut removal
1. Remove the screw 1, and then remove the zigzag adjusting nut.
11
Spring removal
1. Remove spring
S10
12
Spring-Z removal
1. Remove spring
S20
2 - 52
Needle-presser module
.
.
1 1
1
S10
S20