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Using the Needle on the Right Only
(for narrow
three-thread
sergmg)
Disconnect
the machine
from
the power
suppiy.
Remove
the
needle
and the
thread
on
the left,
Then
tighten
the
needle
clamp
screw
on the left
slightly
to avoid tosing the screw.
Using the Needle on the Left Only
(for wide three-thread sergtng)
Remove
the
needle
and
the
thread
on the
right,
Then
tighten
the
needle
clamp
screw
on the
right
slightly
to avoid losing
the screw.
To change to the other
needle
in three-thread
serging
Loosen both
needle
ciamp
screws
and remove
the needle.
Insert
the needle
and tighten
the needle clamp
screw for
the needle
to be used while
pushing
the needle
up as far as it will
go.
Then
tighten
the needle
clamp
screw on the other
side slightIy
to prevent
the screw from
dropping.
Correct
Tension
_per looper
thread
Adjusting
the
thread
tension
may
be required
depending
on the type
of fabric
and thread
being
used.
Refer to page 25 for the adjustment.
24
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