Pfaff Hobbylock 784, Hobbylock 786 Instruction Manual

747!
instruction
manual
ii;
II.
I
V
A)
B)
C)
D)
on
Owing of
the
the
user avoid area
When changing machine
from
The
maximum
the
light
The
drive
by
anyone
agent.
safety
to
the
up
needles
must
injury
and
continuously
leaving
the
the
parts must power
approved
bulb
is
belt
must
but
an
and
and
the
take
sufficient
observe
while
machine,
or
accessories,
be
disconnected
source.
15
watts.
never
authorized
down
upper
sewing.
wattage
movement
care
the
sewing
be
adjusted Pfaff
knife,
to
the
of
-
()
-
0)
C
(V
p..)
*
t)
&
Contents
2.
19,20
24,
3
4 4
5 6 7 7 8 8
9 10 10 11 11 12 13 14 14 15 16 17 18
18
21 21 22 23 23 25 26 26 27 28 29
30 31 31 32 32
Controls Electrical Master
switch
Foot
control
Notes
on Installing Opening
Threading 4-thread Threading Threading Threading
reel
Thread Inserting Seam
allowance Sewing Points
test
to
Securing
blocking
Axial
the
Setting Correcting 3-thread
Thread
overedge
chart Adjusting Adjusting Disengaging Adjusting Changing Changing Cleaning Rolled
hems Changing Changing Changing Changing
the
Oiling Sewing
problems
Accessories
spool
Thread Specifications Contents
of
the
connection
and
safety
the
thread
the
looper
guide
overedge
the
right
the
left
the
left
change
the
lint
observe the
seam
of
standard
the
thread
the
stitch
the
differential
the
the
seam
the
sewing foot
the
light
the
thread
the
needles
the
knives
the
upper
the
lower
machine
net/thread
the
of
sewing
sewing
spool stand
cover
wires
seam
looper looper and
on
box
during
upper
the
thread
seam
length
upper
width
bulb
tensions
knife
knife
and
cardboard
machine
18
and
right
threaded
sewing
tensions
feed
knife
their
unreeling
light
the
needle
knite
tensions
on
hobbylock
(hobbyfock
removal
box
thread
machine
disc
guides
784
786)
and
behind
786
.
.
the
carrying
handle
.
I
Controls
Thread
1
Carrying
2 3
Left Right
4
Right
5
Left
6
Thread
7
Lint
8
Handwheel
9
10
Looper
11
Upper Work
12
Needle
13 14
Sewing Needle
15
Sewing
16
Thread
17
Thread
18
Thread
19
Machine
20
Master
21
Rear
22
Differential
23
Accessory
24
Stitch
25
Seam
26 27
Rotary disengagement Foot
28
Foot
29
Mains
30
Right
31
Left
32
Lower knife
33
Lower
34
Retaining
35
Thread
36
Accessories
37
Retaining
38
upper
of
spool
needle
needle looper
looper
tension
box
cover
knife
support
plate
bar
spool guides guide
switch
thread
length width
lever
control control
plug
looper
looper
knife
spool
knife
the
handle
thread
thread
foot
foot
socket
feed
box
screw
screw
screw
sewing
stand
tension
thread
tension
thread
tension
cover
recess
with
(swivel-type)
lifting
lever
holder
bar
guide(4x)
adjustment
adjustment
adjustment
for
upper
plug
for
of
upper
centering
retainer
for
blocking
machine
tension
knob
knob
knife
machine
piece
dial
dial
dial
dial
knob
socket
knife
the
3
Electrical
Use
this
on
or
a
Connecting
Insert
the machine plug
toapower
Caution:
switch disconnect source.
foot
control.
connection
machine
special
plug
socket.
When
it
off
Do
the
not
the
at
sewing
foot
of
Then
source.
the
the
plug
place
only
control:
the
machine
master
from
on table.
control
connect
any
flat
a
in
is
switch the objects
surface
the
the
not
power
and
on
mains
in
the
use,
Switching
Power and
off
switch Switching
Press
switch.
are
switched
Switching Press
switch
light
are
the
machine
and
sewing
simultaneously
12. on:
Machine
on.
off:
again.
switched
light
Machine
off.
with
and
ON
are
and
switched
master
sewing
and
OFF
on
light
sewing
4
Foot
The as
The down,
control
speed
follows:
more
the
of
you
faster
the
press
Hobbylock
the
the
machine
foot
is
regulated
control
will
sew.
Notes A)
Owing must while
B)
When disconnected
The
C)
The
D)
on
safety to
take
sewing.
leaving
maximum
drive
the
up
sufficient
the from
belt
must
and
machine,
the
approved
never
down
care
movement
to
power
wattage
be
avoid
changing
source.
of
adjusted
injury
the
of
parts
by
the
and
light
anyone
Electronic Maximum
two control.
Position Position
needles
observe
or
accessories,
bulb
is
but
steps
15
+4
and
the
watts.
an
authorized
foot
speed
the
by
= =
the
sewing
the
control
can switch
Half Full
upper
area
machine
pre-selected
be
on
speed
speed
knife,
continuously
Pfaff
the
the
must
agent.
in
foot
user
be
5
Installing
Loosen
/
washer thread
clamp up
spool
the
to
thread
screw
the
stand
screw
1
spool
A
from
a
head.
little
the
stand
and
Insert
top.
pull
A
4
Tighten
Insert centering the
thread
four
clamp
thread
pieces
spool
screw
spool 36 stand.
A
fully
securely.
holders
in
the
17
holes
with
of
/
-
Push
thread
bar
19.
Pull
I
up thread spool
guiding
guide
guides
holders.
bar
part
18
into
guide
and
align
it
that
18
are
exactly
so
above
the
6
I
n
H
E1
Opening
work
and
Push
hold
close
To
until
open
To
To
left.
the
to A
threacing machine diagram paths
looper
it,
and
locks.
it
close
right
by
and
support
cover
swing
the
work
until
diagram
behind
shows
different
closing
looper
support
the
the
it
work
it
the
colors
looper
fully
down.
cover,
locks.
is
looper
different
the
to
pushitup
pushitto
12, support,
fixed
(see
cover
right.
push
to
the
cover.
threading
Fig.
the
it
This
A).
Threading spool behind
The First their and
Then sequence:
right
1.
2.
left right
3.
4.
left
C
Figure individual For handle (Fig.
After be
the
stand
the
machine
the
pull
corresponding
C).
thread
looper
looper
needle
needle
shows
B
threads
threading
the
2,
C).
threading,
pushed
and
carrying
must
respective
the
(red)
(yellow)
(green)
(blue)
the
handle
down
the
handle
be
guides
tensions
threading
the
for
guides
carrying
again.
thread
threaded
threads
thread
must
guides
(Figs.
in
the
oehind
be
handle
correctly.
following
path
guides
pulled
through
B
of
18.
carrying
must
2
thread
the
of
wire
guide
1
the
up
7
4-thread This
1
2
-
3
4
7
5
-
-
-
threads
The described
Threading Thread
1
to
of
thread Important:
In the tension tensions.
seam
3-thread
9
thread
order
thread
the
and
path
to
discs
overedge
is
and
two
on
the
right
pull
through
is
obtain must
when
seam
sewn
with
looper
overedge
page
17.
right
looper:
looper
approximately
the
looper
marked
perfect
be
pulled
threading
two
threads.
seam
in
red).
needle
is
sequence
10
eye
sewing
between
the
cm
(4”)
(the
results,
the
If’
5,
/2
/
1
H
8
8
5
6
0
0
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CD
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CD
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rrc
5
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2
—3
Threading Threading
guide
thread is
shown
on
In
the
left-hand pathisshown up to
the
thread
retainer.
right
mustbepulled
the
of
right
guide behind
page
from
needle
needle
wires
the
7.
illustration
the green
(6>.
behind
18
andofthe
carrying
the
At
point5the
handle
threading
tension
the
thread
(1>
Thread Cut
Tie out last respective interruption.
the
the
of
thread
spool
threads
threads
the
:‘1i
Ll
change
needles.
guide
needle
Pull
on
closetothe
still
in
the
Now
before
eyes.
about10cmofthread
•L!J
:
rk
threaded
machine
pullatthe
the
The
thread
needles. looper
machine
spool.
and
thread
threads
the
Cut
through
the
Threading Threading
thread is
In threading tension At behind
Place
new
new
threads
ends
until
knots
off
canbepulled
the looper
guide
shown
the
left-hand
(1)
point5the
the
thread
together.
the
knots
and
pull
until
eye.
the
left
needle
of
guide
wires
behind the
on
page
7.
illustration
path
is
shown
up to
the
left
thread
thread
spoolsonspool
are
the
past
mustbepulled
retainer.
Pull
the
about15cm
threads
the
looper
18
carrying
from
needle
holders
needle
through
the
eyes
and
the
threads
past
of
the
handle
blue
(6>.
17.
the
the
without
10
I
After
threading
down,
-
I-J
2 looper
cover
and
close
10.
the
machine,
work
support
push
12
handle
and
Inserting
downwards cover.
/
/
I
against
Seam
If
the
the
Then
the
allowance
cutting
lint
the
push
machine.
the
is
guided
box:
the
lint
bottom
box,
along
use
below
of
the
box
the
1
Sewing
-
-
‘I
—-
-
.
.
After
be Raise
the
test
threading,
made.
sewing
illustration.
foot
sewing
a
lever
16,
test
as
test
shown
should
in
/
/
/
.
knife
upper
the
to
up
test
lower
fabric the
sewing
foot.
Insert and
Hold
I
I
‘N
\
12
I
I
\
while hand arrow
back that
in
under
threads
turning
the
the
on
hand
direction
wheel.
sewing
the
have
wheel
indicated
the
Lay
foot.
interlocked
with
your
by threads Make
correctly.
right
the
sure
hand
left
your
with
ends
thread
sewing
when
push
completely
stitches
is
the
only.
during
starting
been
has
slowly.
automatically,
fed
fabric.
cm
5
scissors
a
under
sew.
to
rethreaded.)
Use
beyond
your
to
the
(Also
the
cut
do
end
observe
to
Points
fabric
the
Place
foot
sewing after
Sew Since
4
not hand
Sew
machine
the
first
the
fabric
the
or
pull
guiding
for
approximately
Securing Knot
a
crochet
thread
Or: Sew
seam.
sew
and
just
sewn
chain.
the
about
Then
thread
chain
a
the
seam:
needle
into
cm
5
turn
few
without
chain.
can the
(2”)
the
stitches
cutting
For
be
used
seam.
beyond
workpiece
over
the
knit
the
the
thread
fabrics,
to
pull
end
around
seam
the
of
Blocking
Sewing with
different
On
this extremely processed.
fabrics thicknesses, must
be
illustration.
tightening
By of
the
upper
Note:
When
sewing
screw
of
loosened
upper
knife
the
very
machine,
thin
When
or
workpieces
tightened,
the
by
can
upper
thick
fabrics
thicknesses:
all extremely
to
sewing
the
screwofthe
screw,
the
knife
is
thin
or
upper
about
move
knife
kinds
with
shown
as
inhibited.
medium
knife
turns,
2
axially.
and
of
fabric
thick
extremely
different
axial
holder
so
workpieces
from
can
upper
in
the
movement
fabrics,
must
that
the
be
thick
knife
the be
14
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Top
side
Correcting
When
(+)
direction, When decreased.
The
(blue
left
thread
the
turned
needle
the
thread
the in
tension).
thread
tensions
tension tension
direction
(—)
threadAis
turned
is is
increased.
it
too
in
is
loose
J
The
right
needle
(green
thread
thread
tension).
D
C
Reverse
side
The thread D
too
right
loose
looper
tension>
(yellow
thread
or
the
left
thread
B
C
is
too
is
too
looper
tension).
loose
tight
thread
(red
16
The
(yellow looper
left
looper
thread
thread
thread
tension)
C
too
D
loose
is
too
tight
or
the
right
(red
thread
tension).
I
3-thread
overedge
seam:
The
with thread.
The
3-thread
looper
two
or
left
overedge
right
threads
needle
seam
and
must
is
one
be
sewn
needle
removed.
fl
needle
Left
3-thread
overedge
seam
Right
needle
!J
N
width
Standard
seam
width
N
Standard
seam
*
Max.
seam
5,7
width
mm
7.2
mm
Max.
seam
width
3.5
5
mm
mm
17
Thread
chart
for
4-thread
overedge seam
Material
Light
materials:
Organdy, fabric,
Taffeta,
lining
materials
Medium-heavy materials:
Cotton, linen,
Heavy
Tweed, denim,
Knit
Rolled
tricot,
dress
materials:
suit
heavy
fabrics:
hem
light-knit
silk,
materials
materials,
cloth
,J
I
Thread
Cotton Silk
Synthetic
Cotton Silk Synthetic
Cotton Silk
Synthetic
Cotton Silk
Synthetic Polyester
Mercerized (bulk
-
-
-
i....
)
.
thread
thread
thread
thread
thread
thread
thread)
No.
80—100
No.
80—100
No.
70—140
No.
60—100
No.
50—100
No.
70—140
No.
40—60
No.
40—60
No.
70—140
No.
40—60
No.
40—60
No.
70—140
No.
120—140
Setting
hobbylock Open
work
fast
and
knob
25
between
is3mm.
the
set at
1
stitch
784
support
the
and
length
without
stitch-length
stitch
mm.
5
2.0
2.0
2.0
2.0
12.
Hold
length
Standard
Stitch
2.0
to
to
2.0
to
5.0
to
4.0
to
5.0
to
4.0
1.0
to
on
the
differential
hand
adjustment
desired
length
4.0
4.0
mm mm
mm mm
2.0
wheel
setting
mm
mm
(784)
(786)
(784)
(786)
mm
feed
9
N
c\
L-_
.i,___c(
Setting hobbylock
Open fast knob between
/7
/
/
A
.
-
/
t>
and
work
25
the
set at
1
and
stitch
786
support
the
length
with
differential
12.
stitch-length
stitch
mm.
4
on
Hold
adjustment
length
Standard
the
hand
desired
setting
feed
wheel
9
N
Adjusting on
the
The
shift. arranged both the
The be
set
the
feed versa.
results rential
you page button
Setting
Setting
Setting
Setting
The
differential
from
hobbylock
differential
It
consists
one
pick
up
same
time.
feed
amount
separately.
workpiece
than
dog
Owing
are
feed
wish
to
The
20). are
23
0.5
N
1.5
2
to
0.5
differential
the
786
feed
of
two
behind
and
move
of
It
moved
the
by
that
to
accomplished.
according process
following possible:
=
Short dog,
long
feed
=
dog Same dogs
=
Long
stroke
short
dog, feed
=
dog Front longest rear
feed
shortest
feed
also
2,
during
prevents
feed
the
the
either is
possible more
rear
very
to
(see
settings
stroke
stroke
feed
possible
dog
possible
can
feed
other,
workpiece
feed
one
good
Set
the
table
of
stroke
of
of
stroke
dog
be
set
sewing.
inter-ply
dogs,
which
to
by
the
and
sewing
the
material
on
front
of
both
front
of
set
stroke,
for
set
stroke
infinitely
dog
at
at
can
have
front
vice
diffe
feed
rear
feed
feed
rear
for
Note: The
following
to
obtain
garments: The
gather rential fabrics
wave
The rential
heavy
to
fashionable
feed
are
processed.
effect
feed
elastic
variants
effect
setting
setting
is
of
is
obtained
of
fabrics
can
effects
obtained
1.5—2
when
0.5
are
be
employed
on
at
when
at
a
medium
processed.
a
diffe
diffe light
19
table indicates
This required
differential
The
for
the
fabric
feed
possible
you
can
also
settings
wish
order
feed.
of
the
differential
to
process,
be
set
during
sewing
a
sewing.
test
has
In
to
to
be made.
make
sure
about
the
setting
Setting ferential
0.5
1.5
to
1.5
dif-
N
of
feed
N
Illustration
1
2
3
2
4
Correct
seam
a
d
tricot,
Nylon,
and
poplin,
Light (normal
Jersey,
nicki
silk
cotton,
fabrics)
medium
fabrics,
Heavy knitwear, rib
stitch
goods
lining
jeans
light
Fabric
fabrics,
cotton,
knittings
ve
elastic
satin,
fabrics,
I
C
Fig.
Fig.
Fig.
1
3
2
Fig. 4
20
*
0
cA
Disengaging Remove
and
looper loosen blocking.
Push rotary knife
guide
turnitforwards
the
hole
knifeisdisengaged.
the
box
lint
cover
screw38for
lever
fullytothe
of
the
upper
knife
Open
8.
10.Ifnecessary, axial
of
the
27
right,
pin
until
knife. Now
A
work
upper
axial
engages
the
hold
upper
support
knife
upper
it,
12
and in
fl\
Adjusting The
standard
marked Disengage
the
above
The
desired adjusting width
adjustment
2.5to5.
the
Set
and
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knife,
see
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a
Note:
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the seam
N
with
the
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seam
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upper
close
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page
test
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width
width
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mm).
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14,
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ranges
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on
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the
thread
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from
position
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upper
c
to
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21
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holder
foot sewing
the
of sewing
sewing
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the
foot
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foot
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foot
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that
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lifting
foot.
foot
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foot
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16.
lever
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lower
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r
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the
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a
I
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out
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light
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pins
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fully
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light
the
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and
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new
the
right.
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light
light
bulb
light
bulb slots,
bulb:
plug.
cover
cover.
bulb
bulb:
upwards
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push
housing
of
Watt
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sewing
the
and
max.)
it
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cover.
and
turn
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turn
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thread
to
hands
remove
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the
Use accessories
between
from
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the
the
brush
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thread
tension
front
it.
provided
to
the
thread
the
the
of
(direction
remove
tensions.
tabs
housing.
tensions:
cover
tension
the
of
with
dust
7
cover
with
of
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and
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both
arrow)
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width:
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length:
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right
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needle
3.
threading
For
Tension
thread
Red Yellow Green
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foot:
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thread
hem,
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remove engage from
from
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red
yellow
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of
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on
sewn
requires
of
thread
bulk polyester
polyester
sewing
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1.0
path
path
green
needle
right
material
with three
machine,
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thread
left rolled
to
to
thread
and
left
needle
and
red
thread
machine:
needle
hem
4.0
2.0
path
looper
looper
bulk
threads,
tension
120—140
foot
(depending
mm (short
120—140
loopers,
thread
thread,
thread:
as
“R”
stitch
for
see
the
bulk
one
described
for
on
length)
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pages
round approx.
approx.
respective
thread
above.
green
material)
7
edge,
“N”
+
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red
to
5
thread
and
yellow
and
polyester polyester polyester
11.
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yellow
1
tension
polyester
tensions
thread
thread
thread thread
flat
approx. approx. approx.
must
tensions
edge,
be
threads
Fig.
+5 “N”
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set
120—140.
2
1
to
1
+
to
lower.
or
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Tension
thread
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Note:
Rolled
bulk
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looper,
looper,
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thread
thread
hems
threads
path:
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red
yellow
of
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on
path
green
needle
right
also
must
material
path
path
and
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left
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then
and
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sewn
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thread
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approx. approx.
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and
thread
bulk polyester polyester
11.
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—3
to
and
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right
thread
one
tension
thread thread
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looper.
edge,
flat approx.
approx. approx.
must
120—140 120—140
Fig.
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“N”
thread.
set
be
to
2
+5
higher
or
25
Changing
Pull
out sewing direction bar
is
needle
(see
p.
needle tool.
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with
the
by
pulling
the
foot.
at
its
change
31,
in
screw
the
needles
mains
Turn
of
the
highest
tern
hole
Mofthe
the
driver.
downwards.
it
plug.
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the
hand
arrow
until
position.
tool
from
11)asfollows:
set
the
needle
screw
Remove
the wheel the
Use
accessories
Insert
change
of
the
the
in
needle
the
needle
the
the
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Inserting
Insert change of
the
the
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will
it
Tighten
K
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Remove needle.
the
tool
needle
up
go.
needle
needle
the
needle
change
into
needle
in
shank
such
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change
in
tool.
needle
screw
hole
way
a
faces
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of
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holder
securely.
tool
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push
from
flat
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the
as
the
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far
Notes:
The
L
M
\\
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following
machines:
System Although
on
the
used,
An
incorrectly
cause
stitches.
we
thread
Changing
are
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out
Knives
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Disengage
130/705
the
material
recommend
the
available
the
mains
the
needles
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correct
and
inserted
breakage
knives
plug.
upper
are
(75—90)
needle
the
thread
needle
needle
and
as
spare
knife,
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size
size
skipped
parts.
see
on
size
will
page
these
depends
75—90.
21.
26
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I
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-
-
/
knife:
upper
the
out
upper
the
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the
new
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knife
knife.
screw
upper
plug.
retaining
knife
securely.
screw
and
and
tighten
Changing
Pull Unscrew
remove
[
1
Insert its
I—
L_—--
N’
.
up
27
guide
knife
with
knife
upper
Set (cutting
/
until
the
position).
upper
Turn
knife
is
the at
its
handwheel
lowest
27
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/(
Changing Pull
I
Disengage Remove knife.
Place guide it
up, Replace plate.
out
as
the of
the
the
the
new
the
shown
the
lower
mains
the
retaining
lower
lower
in
screw
upper
knife
the
with
knife
plug’
knife
screw
knife
holder
illustration.
the
(see
of
against
pressure
and
page
the
the
21).
lower
left
push
p
28
Align so
that
surface. Before
align upper
the
it
tightening
the
pressure
knife
cutting
is
flush
to
edge
with
the
cutting
plate.
of
the
the
needle
retaining
Reset
position.
lower
screw,
the
knife
plate
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Sewing These
made.
be operation
problems
machines
Sewing
errors.
and
have
problems
They
solutions
been
easily
can
developed
the
of
be
for
kind
corrected
easy operation,
described
by
below
following
and
may
the
there
are
due
occur
instructions
no
to
difficult
minor
below.
adjustments
adjustment-
to
and
______
Needle
Thread
Skipped
Problem
breakage
breakage
stitches
Needle
point
or
Needle
Material
Incorrectly
Thread
Thread
Needle Incorrect
Needle damaged.
Needle Incorrect Incorrectly
Cause
bent
damaged.
not
fully
pulled.
threaded.
caught.
has
tension
fully
not
needle
bent
fully
not
needle
threaded.
or
inserted.
too
inserted.
used.
point
inserted.
used.
tight,
Insert
Insert
page
(see
not
Do sewing.
Thread
pages
(see Check
the
at Regulate
(pages Insert
needle
Use
Insert
Insert
needle
Use Thread
new
new
pull
correctly
whether
reel
tension.
15,16).
needle
new
needle
correctly
Solution
needle.
needle
26). material
7—10).
stand,
correctly
system
needle.
correctly
system
correctly
thread
etc.
(pages
during
catches
(page
130/705
(page
130/705
26).
H
26).
H
7—10).
Incorrect
formation
Puckered
30
stitch
seams
Incorrect tensions.
Thread
Incorrect differential
Thread
incorrect
setting
tension
setting
feed.
has
threading.
caught
too
of
of
thread
tight.
due
Set (pages
Reduce cially (pages
Re-adjust
to
Thread
15,
thread
for
15,
correctly
16).
light
16).
differential
tensions
thread
correctly
tension
materials)
(pages
(espe
feed.
7—10).
I
Accessories
knife
unreeling
machine
hem
spool
change
(big) (small)
sewing
net
tool
disc
oil
foot
t
I
Screwdriver
1
Screwdriver
2
Lint
3
Tweezers
4
Upper
5
Thread
6
Needles
7
Sewing
8
Rolled
9
Thread
10
Needle
11
brush
5o
6Q
I
II#ICIIIII*IIIiIlI,
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Bfl
net
Thread
thread
The item smaller
Remove
from
Put
the
pin
and
top
on facing
spool
useful
become
to
(Fig.
unreeling
of
6
thread
the
of
down,
1).
the
thread
thread
thread
place
it,
synthetic
for
loose,
unreeling
accessories
spools.
spool
reel
spooi
the
rounded-off
with
shown
as
disc
thread
threads
unravel
disc
centering
pin.
the
on
in
and
shown
used
is
thread
unreeling
section
B.
Fig.
which
as
for
piece
1
slip
I
36
/
reel
disc
C
Thread
Very tend down
E
‘1
31
Specifications:
Maximum Seam Stitch
Sewing
Lubrication Sewing Needle Numberofthreads Dimensions Weight
width length
foot
foot
system
sewing
height
speed
1.300
3-7.2mm
1
—4
1
-5 Hinged Manual 5mm 130/705
4
x
315 approx.
stitches/mm.
mm
(HL-786) (HL-784)
mm
H
(no.
x
330mm
280
kg
8.0
75—
no.
90)
Contents
machine
1
foot
1 1
instruction
1
lint thread
1
4
thread
1
thread machine
1
of
control
box
spool spool guide
cardboard
with
motor
manual/guarantee
stand stand
cover
box
certificate
bars
32
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