Thread Tension Unit - Brother NV4000D Service Manual

Main unit
1
Thread guide assembly removal
1. Remove the lead wires from the hooks of upper shaft.
2. Remove the 2 screws 1, and then remove the thread guide assembly 1.
Start movie clip (CD-ROM version only)
2
Thread guide removal
1. Remove the screw 1, and then remove the thread guide 1.
3
Upper thread PCB assembly removal
1. Remove the screw 1, and then remove the upper thread PCB assembly 1.
4
Upper thread PCB ASSY disassembly
1. Remove the screw 1, and then remove the upper thread PCB assembly 1
from the thread sensor holder 2.

Thread tension unit

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