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Needle-presser module
Modules
23 Threader hook assy. disassembly
1. Remove the thread guide assy, threader hook assy, link A assy, and link B.
24 Presser foot lifter removal
1. Remove the retaining ring E4.
2. Lift up the presser bar clamp 1, and then remove the lifter assembly 2
and the lifter 3, and then remove the washer 4.
3. Remove the presser lift shaft 5, and then remove the retaining ring E4.
Retaining ring E4 1
4
5
Retaining ring E4
2
3