Main unit
1
Thread presser base removal
1. Remove the 4 screws 1, and then remove the thread presser base assembly
1 from the needle bar case final assembly.
2
Thread presser base disassembly
1. Remove the 2 screws 1, and then remove the thread presser cover
assembly and the 2 thread presser spacers from the thread presser base
assembly.
3
Wiper set assembly removal
1. Remove the screw 1, and then remove the cord clamp NK-5N.
2. Remove the 2 screws 2, and then remove the wiper set assembly.
Thread wiper unit
1
1
1
1
1
2
2 - 33