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5-5. Other precautions
5-4. Cleaning the hook section
(1) Control box
If dust has gathered on the control box, clean it to remove dust.
If ecks of ber and thread waste accumulate in
hook section
A
, the sewing machine failures (stitch-
ing failure, hook seizure, etc.) can occur. To prevent
those failures, it is necessary to clean hook section
A
of the sewing machine periodically.
1) Wipe hook section
A
clean with a piece of dry
cloth. Then, remove remaining dust, etc. with an
air gun.
5-3. Use of an air gun
Air gun
❶
is used for cleaning the sewing machine
table and removing dirt accumulating in compara-
tively small gaps. Put it on hook
A
of xed plate
❷
when it is not used.
❶
❷
A
A
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