(()i~~~~i*lt:Bit»
1.m.re~~
2
.~~filti~<Dml'
,
~~ml'it~®
o
3
.~t\!=EfrtiU~~~ffi~@..t~ffi~
o
CIII3D
4.~~~~£1-t&®~..t
0
<
hD)ElHL~1ttB9~tt
>
l.~?f.iwt~15J(f!I~N3~~
:
2
A~H~
~
WH'f
110
5HHL
®
Ul
iii
110
tt
l!l m
5fB
,
1M
1JD
5!
JU
~
)EIHl'iJ
ill
fl
~
l'
Iii
:
(Maintain the feed
dog)
1.Raise the presser foot.
2.Remove two
screws®, and then remove
the needle
plate®
.
11131
IF
i g .
31
3.Use a soft brush
to
clean dust and lints
on
the feed dog teeth@. (Fig.31)
4.lnstall 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-
From the library of: Superior Sewing Machine & Supply LLC