2. On the
needle
positionAsideturn thehandleso that after the
needle
swings
to the rightsideitcomesslightly to
theleftofthecenterof the
needle
hole.
Positionthe adjustmentholeon the
feed
camO and therubberplugO
sothat theyare
lined
up,
remove
the rubberplug© and
loosen
the
screw
0,
andthen
move
the
needle
bar©
to
the
left
and
the
right to
adjust
the
needle
position
A.
Move
it
slightly
to
the
left
On the
needle
position Bsideadjust the
needle
zigzag
adjustment
screw
© so that the needlecomesslightly to
the right
of
the center of the needle hole when the needle swings to the left.
Move it slightly to the right
4.
When
the rolleron the
needle
zigzag
push bar ©
falls
intheindentationofthe
zigzag
camon the
inside
ofthe
feed
cam,
loosen
the nut © andadjustthe
lock
stitchadjustment
screw
© so that the
zigzag
width
is
0.5
~
1.0
mm. The more the lock stitch adjustment screw© is turned to the right, the wider the lockstitch
will
become.
Rear
side
of
feed
cam
Indentation
of
inside
of
-zigzag
cam
-37-
'1.0
mm
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