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4
f
Remove the hook by grasping its center post
and pulling it out.
a Retaining ring
b Hook
c Hook center post
g
Use a brush to remove any accumulated lint
and thread from the retaining ring, hook,
driver and race body.
a Retaining ring
b Driver
c Race body
h
Use a cloth dampened with machine oil to
wipe the shuttle race in order to remove any
lint.
i
Clean the lint from the shuttle hook in the
same manner as described in step
h.
j
Reassemble the hook and the retaining ring,
and push the latch levers back into position.
a Retaining ring
b Hook
c Latch lever
k
Attach the bobbin case, the presser foot and
the needle before using the machine.
Cleaning the feed dogs
a
Turn off the machine and unplug it.
b
Raise the needle and the presser foot, and
then remove the presser foot and the needle.
c
Remove the flat bed attachment and open the
shuttle cover at the front of the free arm.
d
Remove the needle plate by using a coin or
screwdriver to remove the screws.
e
Use a brush to clean the lint from the upper
part of the feed dogs and shuttle race body.
f
Attach the needle plate by using a coin or
screwdriver.
● Make sure you unplug the machine before
you clean it. Otherwise, you may get an
electric shock or be injured.
CAUTION