191
COVER
Procedures
1 Temporarily fasten front cover supporter 0 on machine body.
2 Temporarily fasten front cover
8 on oil reservoir. (Close front cover)
3 Temporarily fasten front cover guide
• parallel to machine body.
Parallel
*
Make
an
adjustment
so
that, when front cover 8 comes
off
front cover guide
.,,
it can be put back
in
place
as
before.
~Ill
The following items from 8 to
fj
must be made while checking.
4 Adjust front cover
8
so
it
is
parallel to machine body and has a clearance about O.Smm.
Overlock Stitch
I
I Safety Stitch I
about
0.5
mm
Q'ty
of
screw
2
2
2
5
Make
an adjustment
so
that, when upper knife 8
is
down lowest, there
is
a clearance
of
about O.Smm
between front cover 8 and upper knife e.
Make
an adjustment
so
that front cover will be between
upper knife e and double chain stitch looper • and
their clearance will be
as
shown above.
0.5-1
mm
6 Adjust the clearance between front cover 8 and
front cover guide
0
to
0.5 to 1 mm.
-26-
CD
7 Front cover 8
is
held securely by front cover sup-
porter
0 and stopper spring
8.
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