Pfaff dorina 72 User manual

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Do’s
and
Don’ts
1
Always
beware
of
the
up-an&down
movement
of
the
needle
and
do
not turn
your
attention
from
the
machine
while
it
is
running.
2.
When
changing
the
needle,
the
sewing foot,
the
bobbin
or
any
other
parts,
always
disconnect the
machine
by
pulling
the
plug
out
of
the
wall
socket.
3.
Do
not
place
anything
on
the
foot
control,
otherwise
the
machine
will
start
inadvertently,
or
the
control
or
motor
may
burn
out.
4.
The maximum
permissible
power
for
the
sewing lamp
bulb
is
15
watts.
5.
When
using
your
sewing
machine
for the
first
time,
place
a
piece
of
waste
fabric
under
the
sewing
foot
and
run
the
machine
without
thread
for
a
few
minutes.
Wipe
away
any
oil
which
may
have
appeared.
1

Contents
The
parts
of Model
72.
4— 5
The
parts
of
Model
75
6—
7
The parts
of
Model
77
8—
9
Detachable
workplate,
Models
75 and
77 10
Howto
usethefoot
control
11
The sewing
lamp
11
Table
of
needles,
threads
and fabrics
12
Inserting
the
needle
13
The
stitch
selector,
Model
72
14
The
stitch
selector,
Model 75 14
The
stitch
selector,
Model
77
15
Colourcodeselector
15
Stitch
length
selector
and
reversing
button
16
Regulating
the threadtensions
17
Regulating
the
sewing
foot pressure
(Patch-O-Matic)
18
Dropping
the
feed
18
Removing
and
inserting
the
bobbin
case
and bobbin,
Model
72
19
Removing
and
inserting
the
bobbin
case and
bobbin, Models
75
and
77
20
Winding
the
bobbin
21
How to
wind
correctly
22
Threading
the
bobbin
case
23
Threading
the
needle
thread
24
Drawing
up
the
bobbin
thread
25
Sewing
with
straight stitch
26
How
to
begin
sewing
26
How
to
turn
corners
27
2
How
to
finish
sewing
27

Applications
for
the
free
arm
of
Models
75
and
77
Sewing tubular
—
shaped
articles
on
Models
75
and
77
Sewing
with
a
twin
needle
Tricot zigzag
stitch,
Models
75
and
77
Triple,
straight
stretch
stitch,
Models
75
and
77.
Feather
stitch,
Model
77
Overlock
stitch,
Models 75
and
77
Sewing
buttonholes
Sewing
on
buttons
Sewing
in
zip
fasteners
Hemming
Sewing
blind
hems,
Model 72
Sewing
blind
hems,
Models
75
and
77
Embroidery
Cleaning
the
shuttle race
Cleaning
the feed
dog
How
to
oil
the
machine
Drive
belt
tension
Faults
and
how
to
remedy them
28
29 30 31 32 33 34 35—36 37 38 39 40 41 42 43 44 45 46 47—48
3

-4
CD
C’,
0
0
a.
CD
-4

1
Sewing
foot
pressure
regulator
(Patch-O-Matic)
2 Bobbin
winder
tension
3
Take-up
lever
4
Thread
guide
5
Top cover
6 Spool
pins
7
Stitch
selector
8
Bobbin
winder
spindle
9
Bobbin
winder
stop
10
Hand
wheel
11
Stitch
length
selector
12
Reversing
button
13 Bedplate
14
Needle
thread
tension
15 Needle
bar
16
Needle
holder
with
fixing
screw
17 Bedplate cover
18
Sewing
toot
19
Needle
plate
20
Sewing
foot
fixing
screw
21 Presser
bar
22 Thread
guides
23
Face
plate
5

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1
Sewing
foot
pressure
regulator
(Patch-O-Matic)
13
Bedplate
2
Bobbin
winder
tension
14
Needle
thread
tension
3
Take-up
lever
15
Needle
bar
4
Thread
guide
16
Needle
holder
with
fixing
screw
5
Top
cover
18
Sewing
foot
6
Spool
pins
19
Needle
plate
7
Stitch
selector
20
Sewing
foot
fixing
screw
8
Bobbin
winder
spindle
21
Presser
bar
9
Bobbin
winder
stop
22
Thread
guides
10
Hand
wheel
23
Face
plate
11
Stitch
length
selector
25
Free
arm
12
Reversing
button
26
Detachable
workplate
7

-l
m 0
(I, 0
0 0. m -.1

1 Sewing
foot pressure
regulator
(Patch-O-Matic)
2
Bobbin
winder
tension
3
Take-up
lever
4
Thread
guide
5
Top
cover
6
Spool
pins
7
Stitch
selector
8
Bobbin
winder
spindle
9
Bobbin
winder
stop
10 Hand
wheel
11
Stitch
length
selector
1
2
Reversing
button
13
Bedplate
14 Needle
thread
tension
15
Needle
bar
16
Needle holder
with
fixing screw
18
Sewing
foot
19
Needle
plate
20
Sewing
foot
fixing
screw
21
Presser
bar
22
Thread
guides
23
Face
plate
24 Colour
code
selector
25
Free
arm
26
Detachable
workplate
9

Detachable
workplate,
Models
75
and
77
F
V
P
The
detachable
workplate
increases the
sewing
area
for
ordinary
T
sewing
operations.
Removing
Lift
the
end
of
the
workplate
near to
the
lug
and
pull
it
away.
-I
*
*
Fitting
Push
the
workplate
over
the
free
arm
of
the
sewing
machine
until
its
lug
snaps
into
the
notch
in
the
arm.
Note:
The
detachable
workplate
is
removed
to
allow
sewing
of
tubular
articles.
*
10

How
to use the
foot
control
Place
the
control
in
a
position
where
you
can reach
it easily
with
your foot.
Turn
the hand
wheel
towards
you
and
press
the
pedal
down.
The
harder
you
press
the
pedal
the
faster
the
machine
sews.
The
sewing
lamp
*
Switch
The sewlight
switch is
found
on the
back of
face
plate.
*
Changing
the
bulb
Bulb
Type
(A):
To
remove
—
Turn counter-clockwise
To
replace
— Turn clockwise
Bulb
Type (B):
To
remove
— Push and
twist
counter-clockwise
To replace
— Push
and twist
clockwise
*
Bulb
Use
a
15-watt
bulb.
Caution!
Before leaving
the
machine, changing
parts
or doing
any other
work on
it,
always
remove
the
mains
plug.
Never
place anything
on the
foot control,
otherwise
the
machine
will start
unintentionally,
or the
control
or
motor may
burn out.
[JO
(A)L__- 1
(B)
11

xj
Tables
of
needles,
threads
and
fabrics
12
(As
to
the
size
of
needles
please
see
rear
cover
pagei

Inserting
the
needle
To
insert the
needle
proceed
as
follows:
Turn
the
hand
wheel
towards
you
until
the
needle
is
at
the
top.
Loosen
the needle
fixing
screw.
Turn
the needle
with
the
flat
side
facing
away
from
you.
Push
the needle
in
its
hole
as
far
as
it
will
go.
Tighten
the needle
fixing
screw
securely.
o
13

The
stitch
selector,
Model
72
Turn
the selector
until the
symbol
of the
stitch
you require
is
at
the
setting
mark. If
you set
the
symbols
left
D
or
middle
D
the
machine
will
sew
straight
stitches
with the needle
in
the
left or middle
positions.
Set to the
range
marked
w—
the
machine
will
sew
zigzag
stitches
of the
width
selected.
If
you
are using
twin
needles
the zigzag
stitch
width
must
not be set
outside
the
range marked
..
The symbols:
UI
LU
are for
sewing
buttonholes.
The
stitch
selector,
Model
75
Turn
the selector
until
the
symbol
of
the stitch
your require
is
at the
setting
mark.
The
white
symbols
are for
straight
stitch,
zigzag stitch and
utility
stitch
seams.
straight
stitch,
left needle
position
straight
stitch,
middle needle
position
W
zigzag
stitches
in
widths from
1 to
5
mm
If
you
are
using
twin needles
the
zigzag
stitch width
must
not be
set outside
the
range marked
Red
symbols
UI
LU
Sewing
buttonholes
without
turning
the fabric
The
Turn
The’.
If yoi
the r
Red
Cob
Befoi
of
th
show
Stretch
stitch
14
Stretch
blind
stitch
Overlock
stitch
Triple
straight
stretch
stitch

The
stitch
selector,
Model
77
Turn
the
selector
untH
the
symbol
of
the
stitch
you
require
is
at
the
setting
mark.
The
white
symbols
are
for straight
stitch,
zigzag
stitch
and utility
stitch.
straight
stitch,
left
needle
position
straight
stitch,
middle
needle
position
W’
zigzag
stitches
in
widths
from
1
to
5
mm
If
you
are
using
twin
needles
the
zigzag
stitch
width
must
not
be set
outside
the range marked
Colour
code
selector
Before
you
begin to
sew,
set
the
lever
of
this control
to
the
colour
of
the
stitch
symbol
you
have
selected.
The
arrow
on
the
lever
shows
the colour
range
set.
Stretch
stitch
III
Fancy
stitch
Stretch
blind
stitch
Red
symbols
111
III
Sewing
buttonholes
without
turning
the
fabric
The
blue
symbols
are
for
super-utility-stitch
seams
Triple
straight
stretch
stitch
\AANv/w
Triple
zigzag
stretch
stitch,
from
1
to
5
mm
Feather
stitch
Overlock
stitch
Fancy
stretch
stitch
White and
red
range
fTh
DcD:
t
Blue
range
15

16
Stitch
length
selector
and
reversing
button
To
change
the
length
of
the
stitches proceed
as
follows:
Turn
the
selector
so that
the
number
for
the
required
stitch
length
is
at
setting
mark
A.
The
numbers
indicate
the
stitch
lengths
in
mm.
The
lower
the
number,
the shorter
the stitch.
Sewing
backwards*:
To sew backwards,
push
the
reversing
button
fully
in
and
hold
it
there
until
the
machine
has made
the
number
of
stitches
you need.
When
you
let
go
of
the
button
the
machine
will
sew
forwards
again:
*
Reverse
sewing
is
very
useful
as
a
means
of
strengthening
or
securing
a
seam.
Re
Corr
tant
thet
res
u
illust
Rem
o
0.5
1
23
4
Stitch
lengths

If
the
bobbin
thread
runs
in
a
straight
line
on
the underside
of
the
material,
the
needle
thread
tension
is
too
loose.
If
you
cannot
remove
this
fault
by
increasing
the
needle
thread
ten
sion, you
may
have
to
decrease
the
bobbin
thread
tension
as
shown
in
A.
Regulating
the
thread
tensions
increase
needle
thread
tension
needle
thread
tension correct
or
(A)
*The
thread tension
is
normal
ly
regulated
by
altering
the
r’eedle
thread tension.
or
Correct
regulation
of the
thread tensions
is impor-
decrease
needle
thread
tant
for
obtaining
durable
and
tidy
seams.
If
one
of
tension
fF
the
tensions
is not
correct,
untidy
seams will
be
the
result.
The
tensions
are
regulated
as
shown
in
the
illustrations.
If
the
needle
thread
runs
in
a
straight
line
on
the
top
side
of
the
Remarks:*The
correct
tension setting
depends
on
material,
the
needle
thread
tension
is
set
too
tight.
If
the
latter
is
the
fabric
used.
It is
best
to
try
out
which
set
at
number
4 or lower
this
fault
should
not
normally
occur.
If
it
is the
best
tension
on
a
piece
of
waste
does,
it
is perhaps
necessary
to
increase the
bobbin
thread
material,
tension
as
shown
in
B.
17
(B)

Regulating
the sewing
foot pressure
(Patch-O-Matic)
Rer
To
release the sewing
foot pressure, pijsh
ring
A downwards.
This causes
the regulator
to
spring
to its
highest position.
The material is now
free of
any
pressure from
the sewing
foot.
A
For sewing
thin or light
materials push
regulator
B
down
just
a
little to provide the light
sewing foot pressure required.
If
you are sewing thick or
heavy materials push the
regulai.or
farther
down to
increase the
pressure
of
the
sewing
foot
on
the material.
Dropping
the feed
i.
Embroidering and
darning are best carried
out
with the feed mechanism
2.
disengaged.
This
is
done
by
setting the
stitch length selector
at
HU
,which
3.
drops the feed and allows
the material to be moved
freely under the needle.
The feed
starts
its
normal function
again as soon
as
you turn the stitch
length
selector to “0” or beyond
it.
18

Removing
and
inserting
the
bobbin
case
and
bobbin,
Model
72
1.
Lift
the
sewing
foot by
raising
the
lifting
lever.
2.
Turn
the
hand
wheel
towards
you
until
the
take-up
lever
is
at
the
top.
3.
Open
the bedplate
cover.
Lift
the
bobbin
case
latch and
pull
the
bobbin
case
out
with
the
bobbin
inside.
Release
the
latch
and the
bobbin
will
fall
out.
As
long
as
you
hold
the
bobbin
case
latch
open
the
bobbin
cannot
drop out.
To
insert
again
just
reverse the
above
order.
1
23
19