7-8. Replacing the movable knife and fixed knife
1. Open the shuttle race cover, remove the two screws
(1
),
and then remove the feed plate (2).
2.
Remove the two screws (3) and the two fiat screws (4), and then remove the needle plate (5).
3.
Remove
th
e movable knife (6) and the
fi
xed knife (7
).
4674Q
(9
)~
(8)
~
Jr
(6)
(10)
~~
4.
Install n
ew
fixed knife (7) in
th
e position shown in the illustration.
7. ADJUSTMENT
4673Q
4675Q
5.
Apply grease to the outside
of
the
co
ll
ar (8) and the shoulder
sc
r
ew
(9), and
th
en install a new movable knife (6
).
6.
Check that the movable knife (6) and the fixed knife (7) cut the t
hr
ead
cl
eanl
y.
If necessary, adjust by using the
appropriate
movable knife spacer (10) (supplied as accesso
rie
s).
7.
Apply grease to the pin (
11
)
of
the movable knife, and then insert it into the hole in the movable knife
co
nnecting plate (12).
Then,
while placing the pin (14)
of
thread nipper connecting plate F into the hole in thread nipper D (13), install the needle
plate
(5).
8.
Check that the center of the needle hole and the needle are aligned.
KE
-
4300,
BE
-438D
69
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