Brother NV4000D Service Manual page 79

Modules
24
Needle bar ASSY disassembly
1. Remove the screw 1, and then remove the needle block supporter 1.
2. Loosen the screw 2, and then remove the needle bar thread guide 2 (plate
spring 3) and needle block 4 from the needle bar.
*Key point
• The plate spring 3 is inserted to the needle bar thread guide
2.
3. Remove the plate spring 3 from the needle bar thread guide 2.
4. Remove the needle thread plate 5 from the needle block 4.
*Key point
• Press both ends of the needle thread plate hanging over the
needle block to remove the plate.
Needle-presser module
1 1 1
2 4
3 2
4
2
5
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