Operation Manual

CONTENTS
A.
Parts
names
2
B.
Preparation
for
the
sewing
4
a.
Preparation
4
b.
Fitting
the
foot
controfler
4
c.
How
to
adjust
the
foot
controfler
4
d.
Turning
on
/
off
the
amp
4
e.
Lubrication
5
f.
Opening
and
closing
looper
cover
and
side
cover
6
g.
Threading
procedure
6
C.
Operating
the
machine
9
a.
Test
sewing
g
b.
Thread
tension
adjustment
(Normal
hemming)
9
c.
Dial
chart
for
thread
tension
adjustment
9
d.
Relation
chart
for fabrics
and
thread
stitch
length
10
e.
Correct
thread
tension
10
f.
Incorrect
thread
tension
and
how
to
adjust
11
g.
Roll
hemming
12
h.
Points
to
observe
during
sewing
13
i.
3-thread
overedge
seam
14
D.
Some
adjustment
/
Maintenance
15
a.
Adjusting
the
seam
width
15
b.
Adjusting
the
stitch
length
16
c.
Differential
feed
mechanism
16
d.
Replacing
needle
(S)
17
e,
Replacing
the
upper
knife
18
f.
Replacing
the
lower
knife
19
g.
Replacing
the
light
bulb
19
F.
Sewing
problems
and
solutions
20