Application of Disassembly
6
Removal of Needle bar crank rod assy
1. Remove the needle bar crank rod assy. 1 from the needle bar block 2.
2. Remove the screw 1, and then remove the thread take-up lever 3 from
the needle bar crank rod assy. 1.
*Key point
• The screw 1 is reverse threaded.
7
Removal of Needle bar assy. N
1. Remove the 2 screws 1, and then pull the needle bar assy. N 1 from the
needle bar supporter assy., and then remove the needle thread block 2 and
the needle bar block 3.
2. Remove the screw 2 from the needle block 4.
3 - 36
Needle-presser module
1
2
1
3
1
2
3
2
2
4
1