20
12) Adjusting clearance between hook
and opener
The normal clearance is as follows. Loosen the opener clamp
screw①. And when the opener ② is pulled to the maximum
level, adjust the clearance between the arrows to 0.2mm.
[Figure 24]
13) Exchanging needle width gauge set
A. The order of disassembly
[Note] Turn off the power
1. Open the hook cover①.
Loosen post cover clamp screw②.
2. Loosen the right and left hook base clamp screw③.
3. Raising the presser lifter, rotate the roller④ right or left.
4. Remove the needle⑤.
5. Disassemble the needle holder⑥.
6. Disassemble the needle guide⑦. (for roller presser foot)
7. Disassemble the needle plate⑧.
8. Disassemble the feed dog⑨.
B. Assembly order
After assemble in reverse order of disassembly, fix the right and left hook base. When finish the exchange, implement the
normal adjustment. (page 13)
[Figure 25]
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