Procedures
Q'ty
of
screw
,-------------------------------------------------------~
~
J 0.3-0.SIIIID
.z::wmmm
1
GJ$~~~~~~~~~w~w~wi="
1
==1.=i0tmm
for thin
materJs
.ru;gi~~)&d?ff&
.
~
1.3 mm for medium materials
CD
1.5 mm for. thick materials
I Safety Stitch I
Note:
When
sewing safety stitches, make sure
that
main and differential feed dogs are level with
each other. Otherwise, chaining-off cannot be sewn.
Use
a scale
as
shown below to check their levelness.
In case
of
needle gauge 2mm and Smm (as for needle gauge Smm, it
is
available for ruffler and
piping ruffler specifications only), install needle plate
in
light toutch with feed dog
in
order to
prevent from slipping
out
of
chaining-off stitches.
l
mm~,....-4-~-~-z-L-L-L
Needle gauge 2 mm Needle gauge 5 mm
7 Install presser foot
(t
on main presser arm
•.
(In case
of
safety stitch, install presser foot 0 to presser foot supporter
0)
with pin
~
.)
1ZJ
LOOPER
THREAD TAKE-UP AND THREAD GUIDE MECHANISM
Procedures
1 Install looper thread take-up (L) 0
to
under looper lever shaft
8.
2 Install over looper thread take-up (R) C) and under looper thread take-up (R) 8 to over looper lever
shaft
•.
3 Install under looper thread guide
(t
to thread guide support
•.
4 Adjust each thread take-up and thread guide to their standard positions
as
shown above after raising the
needle up highest.
* When looper thread take-up (R)
is
raised, less thread will be delivered. When it
is
lowered, more
thread will be delivered. When under loooer thread guide
is
moved to the rieht,
less
thread will be
delivered.
When
it
is
moved leftward, more thread will be delivered.
-24-
Q'ty
of
screw
1
1
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