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(Maintain
the feed dog)
1.Raise the presser foot.
2.Remove two screwsCD, and then remove
the needle plate®.
!1131/Fig.31
3. Use a soft brush to clean dust and lints on
the feed dog teeth@. (Fig.31)
4.1nstall the needle plate® after doing
the
above cleaning.
((Maintenance of lubrication
in the fueling
holes»
1. Cleanse the fiber
and dirt.
2. Weekly add the
lubrication in the
fueling holes.
The positions
needed to be added
lubrication
as below:
-31-
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