27
19) Adjusting ascending amount of roller
shaft clutch
Open the back cover and loosen the nut ① and adjust the
length of the joint linking bar C. Then, loosen the clamp
screw ③ and push it so that it touches directly below the
roller shaft transfer holder ④. After adjustment, tighten the
nut ① and the clamp screw ③.
[Figure 53]
[Figure 51]
[Adjusting the left/right hook base]
When replacing with a wider or
narrower gauge than the needle
width in use, the hook edge and
needle distance may not fit
correctly. In this case, loosen the
screws ①,②,③,④,⑤ as can be
seen in the picture, and replace the
feed dog or adjust the distance
between the hook edge and the
needle. Fasten after making the
adjustments.
⑵ Assembling order
After assembling in the reverse order of disassembling, adjust in reference to the gear box assembly order on page 26.
20) Exchanging needle width gauge set
⑴ Disassembling order
[Caution] Turn off the power switch.
1. Open the hook cover.
3. Remove the needle.
7. Disassemble the post (needle plate bracket).
6. Disassemble the auxiliary needle plate and the main
needle plate.
5. Disassemble the needle guide.
4. Disassemble the needle holder.
2. Raise the presser bar lifter and turn the roller left.
[Figure 52]
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