Standard Adjustment
(9)
Adjusting
the
double
chain
looper
(Applicable only to M0-6.616S/6916R, G, J series)
1) Returning amount of the double chain looper
The
distance between the needle center
and
the
blade point of
the
double
chain
looper should
be
1.5
to
2
mm
when
the_
looper
is
at the extreme left of
its
travel.
M0-691
SG,
J
series
M0-66165
1
R
series
2) Longitudinal motion (Avoid motion)
The
standard minor
axis
of
the
elliptical motion
should
be
:
3.0
mm
(M0-6~
16S, R).
3.5
mm
(M0-691
BG,
J).
•
(63.4mm)
Note : The avoid
motion
should be adjusted in accordance
with
Needle No.
__
,.,---------\
Marller
(\.
I
l-~
~j
3) Clearance between the double chain looper and the needle
The
clearance should be
0.05
to
0.1
mm.
o.os
to
o.
1 mm
-20-
Marker Hole 8
From the Library of Superior Sewing Machine & Supply LLC
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