Disassembly Of Upper Shaft Assy; Disassembly Of Needle-Presser Module; Removal Of Presser Foot Holder Assy; Removal Of Thread Take-Up Lever Link - Brother XM3700 Service Manual

Application of Disassembly
1

Disassembly of Upper shaft assy

1. Remove the pulley 1 from the upper shaft assy.
2

Disassembly of Needle-presser module

2-1 Removal of Presser foot holder assy

1. Remove the zigzag presser foot 1 from the presser foot holder assy 2.
2. Remove the screw 1, and then remove the presser foot holder assy 2
from the presser bar.

2-2 Removal of Thread take-up lever link

1. Remove the screw 1, and then pull out the shaft 1 to remove the thread
take-up lever link 2 and the washer,spring 3 from the base holder assy.
2. Remove the retaining ring E4 4 from the shaft 1.
Upper shaft, Needle bar and Presser foot unit
3 - 32
1
1
2 1
1 1
4
2 3 1