eyes or onto your skin, otherwise inflammation can
out
is
sure
to
Furthermore, do not drink the oil under any circumstances,
of
the reach
power
cord until lubrication has been completed, otherwise the machine may operate ifthe
pressed by mistake, which could result
vvear protective goggles
of
children.
and
gloves when handling the lubricating oil, so that no oil gets into your
in
injury.
result
as
it can cause vomiting and diarrhoea. Keep the oil
The sewing machine should always be lubricated and the oil supply replenished before it
after long periods
Use only the lubricating oil.
•
Add
1-2
Add oil to other sliding parts also, while being careful to avoid oil leaks.
Oiling
must
of
non-use.
drops
of
oil
in
be done at least
the places indicated by the arrows.
twice
daily
in
continuous use.
is
used for the first time, and also
-7-
Page 13
4. INSTALLATION
II
For oiling to hook
Remove the
the
oil plug
oil plug
CD
securely.
CD
and pour oil until the oil surface reaches to the red line of the oil indicator
\2).
After pouring oil, tighten
Oiling adjustment to hook
Loosen the
tighten the
4~
nut®.
adjust oiling by adjusting
screw@.
After
oiling adjustments completed, tighten the
screw@.
To increase oil flow, loosen the adjusting
11. Checking the machine pulley rotating direction
Do
not
touch any
in
personal injury or damage
of
the moving parts or place any objects against the machine while sewing,
to
the machine.
screw@,
nut®
securely.
1.
lnsertthe
turn
2.
Depress the treadle and check that the direction
rotation
the arrow
* If the direction
direction
referring to the instruction manual for the motor.
power
cord plug into the wall
on
the
power
switch.
of
the machine pulley matches the direction
CD.
of
rotation
of
rotation
to
the correct direction while
to
decrease oil flow,
as
this may result
outlet
is
reversed, change the
and then
of
of
-8--
Page 14
5.
PREPARATION BEFORE SEWING
5.
PR
5-1
PARATION BEFOR SEWING
. Installing the needle
• Turn
off
the
power
switch before installing the needle. The
off
as
switched
machine may operate if the treadle
a result
of
the
motor
motor's
inertia. Wait until the
is
pressed by mistake, which could result
1.
Turn the machine pulley toward you to move the needle
2.
Loosen the
3.
4.
Tighten the
motor
bar to its highest position.
Holding the needle
insert all the way into the needle bar.
will keep turning even after the
stops fully before starting
in
injury.
screw(!).
(2)
with
its long groove facing
screw
CD.
left
Long
5-2.
R£~moving
groove-
~
the bobbin case
• Turn
off
the power supply before removing the bobbin case. The motor will keep turning even after the
is
switched
machine may operate if the treadle
off
as
a result of the motor's inertia. Wait until the
motor
is
pressed by mistake, which could result
1.
Open the bed slide.
2.
Pull the latch
remove the bobbin case.
3.
The bobbin
2
released.
power
stops fully before starting work. The
in
injury.
CD
of
the bobbin case upward and then
(2)
will come
out
when
the latch
CD
is
-9-
Page 15
5.
PREPARATION BEFORE SEWING
5~3.
Winding the lower thread
• Do not touch any
as
this may result
of
the moving parts or place any objects against the machine while winding the lower
in
personal injury or damage to the machine.
1.
Turn
on
the power switch.
2.
Place the bobbinG:· onto the bobbin winder shaft
3. Wind the thread several times around the bobbin
the direction indicated the arrow.
4.
Push down the bobbin set lever Q).
5.
Raise
Thread winding amount
the presser foot
6.
Depress the treadle. Lower thread winding will then
start.
7.
Once .winding of the
bobbin set
lever®
* If the thread cannot be wound
screw@_~
side where there
* Turn the adjustment screw
winding amount.
To
To
Note:The amount of thread wound onto the bobbin
and move the bobbin winder bracket to the
increase the winding amount: Tighten the screw.
decrease the wincing amount: Loosen the screw.
should
capacity.
be
with
the presser bar lifter.
lower
thread is completed, the
will return automatically.
on
evenly, loosen the
is
less thread.
@j
to adjust the bobbin
a maximum
of
80% of the bobbin
<1·
in
5~4.
Installing the bobbin case
• Turn
off
the
power
switched
machine may operate if the treadle
off
supply before installing the bobbin case.
as
a result of the motor's inertia. Wait until the motor stops fully before starting work. The
is
pressed by mistake, which could result
The
motor will keep turning even after the power
in
injury.
1.
While holding the bobbin so that the thread winds to
the right, insert the bobbin into the bobbin case.
2.
Pass
the thread through the slot
tension spring
3.
Pull the thread
tension spring
4.
Check that the bobbin turns clockwise when the thread
is
pulled.
5.
Hold the latch
bobbin case into the rotary hook.
6.
Close the bed slide.
\21.
cut
through the hole
(2:.
;.3;
on the bobbin case
and
in
the end of the
and
is
under the
insert the
Page 16
5.
PREPARATION BEFORE SEWING
5-5.
Threading
• Turn
switched
machine may operate
the
upper thread
off
the power supply before installing the bobbin case. The motor will keep turning even after the power
off
as
a result of the motor's inertia. Wait until the motor stops fully before starting work.
if
the treadle
CAUTION
is
pressed by mistake, which could result
Turn the machine pulley and raise the thread take up lever
G:·
before threading the upper thread. This will make
threading easier
at
the sewing start.
out
in
injury.
and
it will prevent the thread from coming
is
The
5-6.
Adjusting
the
stitch
length
Stitch length
can
Ci·.
Numeric figures on the dial
mm. The desired numeric figure
set at just above, while depressing the revers lever
slightly.
-11-
be set by turning the feed regulating dial
i.l'
show the stitch length
on
the dial should
be
in
Page 17
6.
SEWING
6.
6~1.
Sewing
"
Attach
"
Turn off the
When
When
When
• Do
all
attached, injury rnay result.
off
JS
a result
rnayoperate if the treadle is
threading the needle
replacing the needle and bobbin
not
not
touch any
personal
injury
devices bofor:1
powe;
switch
of
the
using the machine and
of
the
or
damage
Lower thread
at the
motor's
moving
to
the
inertia.
by mistake,
when
parts
or
machine.
rnachir18. If the rnachine is used vvlthout these devices
times. The
Wait
until the rnmor
leaving
place any objects against
motor
will
which
could
msult
the
machine unattended
1.
While
the machine
thread
2.
Pull the
out
smoothly,
3. Turn on
4. Depress the treadle
slops
turning evon
fully before
in injury.
the
machine
holding
comes
lower
the
power
after
while
sewing,
the
upper thread
pulley by hand
out
onto
the
thread
toward
switch.
to
start
the; pnvver
vvork. The rnachine
as
this may
with
your
toward
feed
you
sewing,
you
dog.
and check
is
sv\'itchcd
fingers, turn
until the
that
lower
it
pulls
6~2.
Backtacking
When
the reverse lever
direction
original position,
normal.
will
be reversed, and
-12-
the
feed
is pushed,
when
direction
the
it
is returned
will
change back
material
feed
to
its
to
Page 18
7.
THREAD TENSION
7.
THREAD TENSION
7 ~ 1.
Adjusting the thread tension
Upper thread
Lower thread
Good even stitches
Upper thread tension too weak or
too strong
lower
thread tension
Lower thread
Upper thread tension too strong or
too weak
II
Upper thread tension
of
The tension
tension thumb nut
To
increase the tension
tension thumb nut
turn the tension thumb nut
II
Lower thread tension
the upper thread
G).
of
the upper thread,
(f1
to the right.
<}1
to the left.
CAUTION
Turn
off
the
power
switch before removing or
inserting the bobbin case.
The motor will keep turning even after the
power
motor's inertia. Wait until the motor stops
fully before starting work. The machine may
operate if
which could result
is
switched
the treadle is pressed by rl'istake,
in
injury.
lower
thread tension
is
adjusted using the
To
decrease tension,
off
as
a result
·~urn
the
of
the
Adjust by turning the thread tension
case will not drop by its
of
the bobbin case is held.
so
that the presser foot can properly hold down
7
~2.Adjusting
the presser foot pressure
---------.
coming out
Adjust the presser foot pressure to
possible
material by turning the
-
13-
own
screw
weight
(f•.
nut
(2J
until the bobbin
while
lower
the thread end
as
much
as
Page 19
8.
STANDARD ADJUSTMENTS
8.
STAN ADJUSTMENTS
Maintenance and inspection
machine should only be carried out by qualified
personnel.
Ask your dealer or a qualified electrician
out
any maintenar.ce and inspection
electrical
If
original positions and check that they
correctly before using the machine.
8-1.
Adjusting the thread controller spring
systern.
any safety devices have been rernoved,be
sure
to
m-install
of
the sewing
to
carry
of
the
them to their
operate
power cord from the wall outlet at the
times, otherwise the machine may operate if
treadle
in
even after the power
the motor's inertia.
fully before starting work.
When carrying out inspection,
maintenance
When replacing consumable parts
rotary hook
If the
carrying
careful to observe
Operating range
The standard operating range for spring
1.
Loosen the
troller spring stop ~ to adjust the operating range.
• For more operating range, move the spring stop
the right.
• For less operating range, move the spring stop
left.
2.
Tighten the
is
injury. However, the motor will keep
power
out
screw
screw
by mistake, which could
is
switched
Wait until the
switch needs
some adjustment. be
all
safety precautions.
of
spring
\2·,
and then turn the thread con
to
(2_:.
off
be
CD
as
left
is
a
5-1
on
Omm.
~~?!
Qi
to the
to
-14-
Tension
The standard tension for spring
1.
Loosen the tension
2.
Turn the tension stud (§l to adjust the tension.
To
stud
To
3.
After adjustment, tighten the tension thumb nut
screw\!?).
of
the spring
is
0.39-0.78
thumb
nut
\4;
and
screw@.
increase the spring tension, slightly turn the tension
®!counterclockwise.
decrease the tension, turn the stud clockwise.
N (40-80g).
0\)
and
Page 20
8. STANDARD
8~2.
Adjusting the height of the feed dog
ADJUSTMENT~;
8~3.
AdjUsting the feed dog position (longitudinal)
The maximum height
of
the needle plate
of
height
1.
2,
3.
4.
the feed dog:
Tilt the machine head away from you. Turn the pulley to
raise the feed dog to its highest position.
Loosen the
Raise or lower the feed dog
Tighten the
screw~.
screw
of
the feed dog from the surface
(2)
is
normally 1 mm.
Q
..
CD
as
necessary,
To
adjust the
31.5mm
1.
Change the feed amount to the smallest possible
setting.
2.
Turn the pulley to raise the feed dog
position.
3.
Tilt the machine head away from you.
4.
Loosen the screw (2), and then move the feed rock
~'
to
shaft crank
32.1
mm
from the edge
of
center
5.
Securely tighten the
the needle hole on the feed dog
adjust so that there
of
the needle plate to the
screw
CZ·.
to its highest
is
a distance
(1•.
of
-
15-
Page 21
3.
WORK TABLE AND fvlOTOR
3.
VVmk
Table
using a table made manufacturer, drill holes
When
The
top
of
ihe
table should be 40
of
vibration
the sewing machine.
mn1
in
thickness
and
in
should
the table
21s
shown
in
bG
strong to hold the
the below.
Thread
and
withstand the
15.5mm
.,
.,
"'""'
cross section
. Oil pan installation position
-16-
Page 22
8.
STANDARD ADJUSTMENTS
3~4.
Adjusting the Positions of the needle and needle hole of the feed dog
Needle
--
eclle
ter
hole
Turning the pulley to lower the needle bar
check whether the needle descends to the center of the
of
needle hole
If the needle does not enter into the center
1.
Remove the cover and loosen the screw
2. Holding the needle bar rock frame
required to get the correct position to the feeder.
3.
Tighten the screw
the feed dog or not.
((2
and close the cover.
;Ji
of
12.·
move it
slowly,
the hole:
slightly.
as
may
be
-Feed
dog
-17-
Page 23
8.
STANDARD ADJUSTMENTS
J'
A
I o;us
t'
mg
timing
tl1e
needle with
It
is
important that the tirning relationship
needle on its
movement
the
needle on the
start
When
procedure to change
1.
Clla:1ge the feed
2.
Loosen the
for oil resc-::voir
and the
3. Normally put the
ditch
4.
Turn the machine pulley
its
lowest
5.
And, pushing
cam and
feed dog
6.
After
positioning completed, tighten the each
securely.
downward
is
maintained at all tirnes.
downward
the
amoum
screw
Q,
oil reservoir
arrow
of
arm
shaft
point.
the
reverse lever up and down, turn
set
this atthe point both
rest
stroke and the · feed dog
rhe feed dog moven1ent
to the largest possible setting.
for cover
and then l"ernove the cover plate
mark
to
the
between
When
the scart
stroke reaches the top
must
use the following
the
mm
screw
the
up
screw
from
'~i
of
the
needle at 1
the
and
earn on
needle and the
the
of
V
the
Adjusting the height of the
<Needle
bar
highest point>
Needle plata
neeclle
When the needle bar
the measurement
plate and the upper end
1.
Loosen the
the needle bar 0
2.
Tighten the
screw
to
screw
G.•
is at its highest point, normally
between
\2' and
get
the
surface
of
the
needle eye is 22.3mm.
move
the setting posi tion
the correct posi tion.
of
the
needle
of
-
18-
Page 24
8.
STANDARD ADJUSTMENTS
8-7.
Adjusting the timing between the needie and the hook
After setting the needle bar height, set stitch length to
minimum, turn the machine pulley toward you
needle bar reaches its
allow the needle bar to raise about
upward stroke. With
of
the sewing hook should be at the center
and normally, the measurement between the hook point
and the upper end
further the
needle hollow should
*If
they are not measured
adjustments below.
II
Adjusting the timing
1.
Loosen the three set screws d
2.
Turn the hook shaft (2; to align the hook point
center
3.
Tighten the three
timing
Adjusting the
1.
Loosen the
2.
Move the hook to the right or to the left
require.
clearance between the hook point and the
of
the needle.
of
the sewing hook.
two
* Please note one
of
ditch
ditch during adjustment.
3.
Tighten the
hook shaft. Therefore, keep the
two
lowest
needle bar
of
the needle eye should be 2.4mm,
be
point. Continue turning
2mm
in
this position, the point
about 0.02 to
0.1
as
above, perform the
'·
set
clearance
screws
of
the
screws
screws
Q·
slightly.
two
~;.
screws
(,3)
and
is
until the
and
while on its
of
the needle,
mm.
with
the
re-check
placed on the V
screw
as
the
may
on V
-19-
Page 25
8.
STANDARD ADJUSTMENTS
8-~~8.
Adjusting
t11e
Clearance between rotary hook and opener
(Thread release finger)
0
L~
The opener facilitates the passage
loop by
rotating movement
instant opens a clearance gap between the notch
inner hook and the tab
needle thread loop to be drawn easily through the gap.
BCiearance between the opener and projection
1 . Loosen the
2.
3. Tighten the screw securely.
slightly nudging the inner hook creating a slight
of
it. This
of
the hook retainer
screw
(1).
Adjust the clearance between projection
~'
and the opener
releasing shaft bushing
may
be
required. The standard clearance between the
two
parts
is
0.7-0.9mm.
by means
@ to the right or to the left
of
the needle thread
movement
permitting
of
movernent
at that very
of
of
hook.
of
hook
of
thread
the
the
as
B Position
Place the one
ditch
B Adjustment
1.
Turn the machine pulley until the opener
projection
2.
Press the opener
make the right side
the bobbin case holder and tab the hook retainer
0.4-0.6mm.
This adjustment can be done by loosening the
3. Tighten the screw
of
the opener cam:
of
of
the hook shaft.
of
of
hook
screws
operation:
~)
(:1·
J_l
securely.
I_Q)
which
is
indicated by "S"
'.3:
extremely on its travel.
to
the projection
clearance
between
of
the notch on
presses the
hook (2: and
screw
01~
V
(§;
-20-
Page 26
8.
STANDARD ADJUSTMENTS
8~9.
Adjusting the cleare.nce between feed forked connection and feed fork collar
Incorrect clearance between the fork
collar
<2'
connection and feed fork
lenoth
or
overheating, etc.
1.
Remove the cover plate
2.
To
increase the clearance, loosen the nut
,(2;
to
the nut
This adjustment should be done
machine
3.
Upon completion
screw
left
pulley toward you to get correct clearance.
(9).
·:3;
or counter-·clockwise.
of
adjustment, tighten the
will bring irregular stitch
and the oil
of
feed forked
reservoir~~'"
CQ;
and
turn
with
turning the
screw
and
8-,1
0.
Adjusting the height of the presser feet
The standard height for the lifting presser foot
mm
when
the presser foot has been raised by the presser
bar
lifter(!.).
1.
Loosen the
then loosen the set
2.
Move the lifting presser
height.
3. Tighten the
4. Tighten the
pressure. (Refer to page 13.)
NOTE: If the height
screw,<~,
screw@.
screw
changed, the movement amount
presser
vibrating presser
movement
to page
raise the presser bar lifter
screw~~).
foot
(2)
up or
down
(,_1)
to
adjust the presser
of
the lifting presser foot
foot·~)
and vibrating presser foot 0 will
Adjust the amount
foot ~ so that it matches the
of
the lifting presser foot (Refer
21.)
of
movement
to adjust its
of
~)
(L;,
the
is
of
8.5
and
foot
is
The
-21-
Page 27
8.
STANDARD ADJUSTMENTS
8~
i 1 .Adjusting the presser foot movement amount
Movement
lifting presser foot
amount
for
Movement
vibrating presser foot
amount
for
Vibrating presser
move up and
Normally,
foot
motions.
• The maximum height
lifting presser
If changing the
presser foot and vibrating presser
use method
only one (thereby decreasing the
use method (8).
Method (A):
amount for both the
presser foot
1.
Loosen nut
2.
Move nut
(Raise the
decreasing motion.)
3.
Tighten the nut
down
vibrating presser
(::;'
operate to the same height
(A);
Simultaneous adjustment of the movement
'~J
nut
foot
alternately.
foot
(2;
movement
if increasing the
lifting presser foot and
(3).
up or
down
for increasing motion; or
and lifting presser
foot
of
vibrating presser
is 5.0
mm.
amounts
as
suitable to the work.
Q\
movement
and lifting presser
in
their vertical
foot
of
both the lifting
foot
simultaneously,
movement
amount for
of the other).
lower
vi
foot
and
brating
it for
(ZJ
4
Method (B): Adjustment
vibrating presser foot
1.
Loosen the vibrating presser bar
the presser bar lifter
2.
While holding the vibrating presser
bolt
1§.:
and then move the presser
as
necGssary.
3.
1-\ftt1r
4.
Tighten the vibrating presser bar screvv
-22-
of
the movement amount for the
screw
•J;ii.
foot
foot
the vibrating presser
@:,
and lower
G , loosen the
up or
down
foot
Page 28
8.
STANDAHD ADJUSTMENTS
8--1
Adjusting the timing of the vibrating presser foot
lifting presser
<When the needle lowers>
Feed
dog
<When
I l
I \
'-;-~~~~,
~~\
foot\--~
the
\ '-.._
\
needle
raises>
Needle
Check the vibrating presser
1.
Lower the presser bar lifter lever, then turn the pulley
At
toward you.
should reach the feed dog before the needle eye does.
2.
When the needle
presser foot
vibrating presser foot rises while
penetrating to the material, it may cause skipped
stitches, etc.
this time, tne vibrating presser foot
is
still holding the material firmly. If the
foot
timing
as
follows:
is
raised, make sure the vibrating
the needle
is
still
Feed
dog
If the timing is not correct
adjustments:
1.
Loosen the
2.
To synchronize the timing
turn the cam
3.
Tighten the
two
screws
C:Z).
screws():.
G_.
..
of
after
you make these
the vibrating presser foot,
-23-
Page 29
8. STANDARD ADJUSTMENTS
8·~
13, Adjusting the feed regulator
If the stitch length
same, make adjustment
1.
Remove the arm rear cover plate
2.
Turn the cover plate
holding upward the reverse lever.
3.
When the mark
rod
<5J
are
alignment, stitch length
will
be
same.
4.
Turn feed regulator rod 0 to the arrow
length
of
reverse is bigger and stitch length of forward
smoller.
5.
Turn feed regulator rod
length of reverse
bigger.
6.
After adjustment,tigthen the
of
forward
of
feed regulator.
\{;;),
of
feed regulator and feed regulator
(g)
is
smoller and stitch length
and
loosen the screw
of
to the arrow
screw
reverse
forward
·JJ.
and
"X"
"Y"
of
forward
are
not
with
reverse
, stitch
,stitch
is
is
-24-
Page 30
9.
SAFETY CLUCH MECHANISM
9.
with
If the thread is
stop the
flelease the
lovver shaft and lot the safcNV clutch
clutch
the rotary
mechanisrn
clutch mecl1anisrn
as
rnentionFJcl
below.
the
the rotary
hook
c1nd
opmatcs
to
off
the
Turn
the
povver
T!1o
machine may operate
power
is
switched
switch
off
before
as
a result the
if
the treadle is mistake, which could result
motor's
clutch rnechanisrn,
inertia.
Wait
until the
1.
Remove the thread, etc. entangled
NOTE:
2.
Slowly turn
button and the safety clutch mechanism returns
original position.
Do
not
hook,
the
The
motor
motor
v,;ill
stops fully before vvork.
in
injury.
with
the
use a
sharp-edged
as
doing so may damage the hook.
machine pulley
tool
while
to
pressing push
rotary hook.
clean the
to
the
Adjustment
If the safety clutch should
spring tension, use the following procedure:
1.
Depress
with
pulley
2.
Tilt back the machine head. Hold the safety clutch (left)
the
3.
To
screw
4.
Upon completion
At
safety clutch
the
your
strongly so that the
and turn the safety clutch (right) until you can see