Pfaff 71 User manual

\
PFAFF
71
INSTRUCTIONS
Foreword
Your
dream has
come true.
You
are
now
the proud owner
of
a Pfaff
71,
the
sewing
machine
which
will
enable
you
to
master
all
ordinary
sewing,
embroidering
and
darning
jobs that
may
come
up
in
a
home.
This
instruction book
will
help
you
understand
the
machine
and
familiarize
you with
a
number
of
important
sewing
jobs.
Keep
it handy as
a reference
book
in
case
you
should
have
forgotten
some
details.
Follow
these
simple
instructions
and
sewing
with
your
Plaff
will
become
a
lasting
pleasure.
If
you
have
any
sewing
problems,
please
contact
your
Pfaff
dealer.
He
will
be glad
to
help
you
at
any
time.
G.M.PFAFF
AG
Karisruhe-Durlach
Branch
Western
Germany

Essential
Parts
1.
Face
cover
2.
Take-up
lever
3.
Thread
retainer
4
Spool
pins
5.
Bobbrn
winder
&
Balance
wheel
7.
Stop
motion knob
8.
Motor
disengaging
mechanism
9,
Bobbin
winder
thread
retainer
10.
Reverse
feed
control
Ii.
Stitch
length
control
12.
Bed
slide
13.
PlaIt
rotary
sewing
hook
14.
Needle
plate
15.
Sewing
toot
thumb
screw
18.
Light
switch
17.
Needle
thread tension
18.
Presser
bar
lifter
19.
Needle
set
screw
20.
Sewing
foot
The
fo(Iowing
feet
are
standard
with
this machine:
93-838 950-00
Presser
loot,
(attached
to
machine)
93-847551-00
Hemmer
foot
93-847630-on
Edge
Stitcher,
with
guide
3

Engaging
the
Sewing
Mechanism
Hold
balance
wheel
and
turn
stop
mo
tion
knob
clockwise (as
indicated
by
black
arrow).
Disengaging the
Sewing Mechanism
Hold
balance
wheel
and
turn
stop
mo
tion
knob
counter-clockwise
(toward
you).
The
sewing
mechanism
is
dis
engaged
for
bobbin
winding.
Foot
Drive
Push sewlight
plug
into
wall
outlet.
Mount
driving belt.
To
switch
on
sew-
light,
push
button
on
face
cover.
Important
Always turn
balance
wheel
toward
youi
For
sewing,
pull
the
spool
pins out
partway.
Push
them
down
into
the
ma
chine
before
you
place
it
into
the
carry
ing
case.
DR 506
DR
507
4

Electrical
Information
OFt
861
Power
Drive
Push
plug
1
into
receptacle
2
on
back
of
machine,
and
plug
3
at
other
end
of
cord
into
the
wall
outlet.
Cord
4
leads
to
the foot control.
Foot
Control
Place
the
foot
control
under
the
ca
binet
within
easy
reach
of
your
foot.
Rest the
right
foot
on
the
control
pedal
and
press.
The
harder
you
press,
the
faster
the
machine
will
run.
(Foot-driven machines have
only
a
sew-
light
cord).
Motor
Disengaging
Mechanism
Power-driven
machines
feature
a
lever
underneath
the
balance
wheel
which
serves
to
swing the
motor
to
its
opera
tive
position.
To
do
this,
flick
the
lever
down.
After
you
have
completed
sewing,
flick
the
lever
to
its
top
position
in
order
to
return
the
motor
to
the
inoperative
position.
With
the motor
swung out
of
engagement,
all
machines
set
up
on
treadle
stands
can
be
driven
by
foot
power.
5

Removing
the
Bobbin
Case
Raise
needle
to
its
highest
point.
Lift
front
end
of
bed
slide
and pull.
Lift
latch
k
with
the
thumb
ol
your
left
hand
arid
pull
out bobbin
case
with
bobbin.
When you
release
the
latch,
the
empty
bobbin
drops
out.
DR 862
DR
850
6

\
Winding
the Bobbin
Disengage
the sewing
mechanism
and
raise
the spool
pins
to the
vertical
po
sition.
Place
a
spool
of
thread
on
one
of
the
spooi
pins
and
a
bobbin
on
the
bobbin
winder
spindle,
making
sure that
the key
at
its
base enters
the
slot
in
the
bobbin.
Pass
the thread through
the
rightharid
thread
guide,
down
and
around
the
thread
retainer
stud, and
up
to
the
bobbin.
Wind
a
few
turns
of
thread
on
the
bobbin
in
clockwise
direction.
Push
the
bobbin
to
the
right
and
start
the
machine.
The
bobbin
winder
will
stop
automatically
when
the bobbin
is
full.
Press
the bobbin
to
the
left
and
remove
it
from
the
spindle.
Then
tighten the
stop
motion
knob
again.
The
amount
of
thread
to
be
wound
on
the
bobbin
is
regul
ated
by
turning the
adjusting
button
accordingly.
Set the
button
at
position
A
for the
minimum
amount
of
thread,
or
at
position
B
for
the
maximum. The
button
can
be
turned
to
the
desired
position
after
loosening
its
set screw
with
a
screwdriver.
7

Inserting
aFull
Bobbin
Hold
bobbin so
that
the thread
end
falls
from
the
top
down toward
you
and
insert
bobbin
into
bobbin
case.
Hold
the
bobbin
firmly
in the
bobbin
case
and
pull
the thread
into the
case
slot.
R 5867
R
5869
8

Pull
the
thread under the tension
spring
until
it
emerges from
the
opening
at
its
end.
Leave
about
3” of thread
hanging
from the
bobbin
case.
Hold
the
case
by its
open
latch
so
that
the
bobbin
cannot
fall
out.
R 5870
Ft 5868
9

Inserting the
flobbin
Case
Raise
needle to
its
highest
point
and
lilt
latch
k (see
ilL
at
bottom
of
page
6)
with
the
thumb and forefinger
of
your
right
hand.
Turn
bobbin case
until
slot
points
up
(see
arrow).
Place
bobbin
case
on
center
stud
S
of
hook.
In
re
placing
the
bobbin
case,
it
is best
to
hold
the
loose
end
of
thread
so that
It
will
not
get
jammed between
bobbin
case
and
hook.
Release
latch
k
and
press
against
bob
bin
case
until
you
hear
it
snap
into
place.
DR
857
10

The
Needle
Pfaff
71
machines
use System
130
R
needles.
Genuine
Plaff
needles
of
this
system
are
available
from
every
Pfaff
dealer.
The
needle
size
should
be
cho
sen
from
the
Needle
and Thread
Chart
on
page 12.
Changing
the
Needle
Bring
needle
bar
to
Its
highest
point
and lower
sewing
foot.
Loosen
needle
set screw
a
half
a
turn
and pull
old
needle
out
of
needle
clamp.
Push
new
needle
up
as
far
as
it
will
go.
Make
sure that
flat
side
of
shank
faces toward
the
back
and long
groove toward
you.
Tighten
needle
set
screw a.
I
11
DR 863

Needle
and
Thread
Chart
Mercerized
Silk
Needle
Types
of
Fabrics
Cotton
Size
Fine
Fabrics
80 0
to
60
such
as
georgette,
chiffon,
to 000
or
batiste,
voile,
lawn, silk.
100
twist
70
Lightweight
Fabrics
70
such
as
dress
silks
and
cot-
A
&
B
to
80
tons,
sheer
woolens,
shirt-
twist
80
ing,
draperies.
Medium
Fabrics
such
as
lightweight
wool-
50
8
&
c
ens,
madras,
muslin,
bro-
to
90
twist
cades,
heavy
silks,
rayon,
70
and
gabardine.
Heavy
Fabrics
such
as
coating,
denim,
40
C
&
D
corduroy,
slipcover
fab-
to
100
twist
rics,
bed
tickings,
light-
50
weight
canvas.
Determined
Synthetics,
Rayon,
Acetate
Determined
by
by
thread
including
nylon,
orion,
weight
of
fabric
size
dacron,
plastics,
etc.
40
to
50 60
to
80

Upper Threading
Raise
the
presser
bar
lifter
and
swing
the
spool
pins
up
to
the vertical
position.
Place
spool
1
on
one
of
the
spool
pins
and lead the
thread
behind both
scrolls
of
thread
retainer
2
(see
ill.).
Seize
the
thread
on the
right
and
left
of the
thread
retainer and
pull
it toward
you
until
it
snaps into
the
eyelets.
It
suffices
to
draw
the
thread
into
the left
eyelet.
Pull
the
thread between
any
two
of
ten
sion
discs
3
(see
ill,
at
bottom)
and jerk
it
far
to
the
right
so
that
it
slips
properly
into
the
slot
and
under
the
thread
check
spring.
As you
do
this,
press
the
thread
against
the
casting
between
spool
and
tension.
Bring
take-up
lever
4 as
high
as
it will
go
and
pass
the
thread
from
right
to
left
through the
hole
at
its
end
Lead
the
thread
down and
into
slot
5.
Then
thread
the
needle
from
front
to
back.
dz
13
,

Drawing
Up
the
Bobbin Thread
Hold
needle
thread
lightly
in your
left
hand.
Turn
balance
wheel
toward
you
until
the
needle
moves down
and
up
again.
Lightly
pull
needle
thread
to
draw
bobbin
thread
up
through
the
needle
hole.
Place
both
threads
back
under
the sewing
foot.
R
8213
14

Correct Tension Regulation
The tensions are
properly
balanced if
both threads interlock
in
the center
of
the material. When
stitching
sheer fa
brics,
set both
tensions a little
lighter
to Both
tensions
properly
balanced
prevent puckering.
Upper tension
too tight or
lower
tension
too
loose
Upper tension
too loose
or lower
tension
too
tight.
15

Regulating
the
Upper
Tension
Turn
tension
knob
right
to
increase
tension
on
heavier
materials.
Turn
it
left
to
ease
tension
on
lighter
fabrics.
The
numbers on the
tension
dial
indi
cate
different
degrees
of
tension.
Regulating
the
Lower
Tension
The
bobbin
tension
rarely
needs
adjust
ing,
except
for
special
sewing
jobs.
Ad
justment
is
made
by
a
small
knurled
screw
on the
bobbin
case.
Turn
it
right
for
tighter
tension
or
left
for
looser
tension.
DR
580
H
8029
16

Stitch
Length
Regulation
The
stitch
length
control
serves
to
re
gulate
the
stitch
length
and
to
limit
it
in
sewing
backwards.
The numbers
on
the control
indicate
the
stitch
length
(the
higher
the
number.
the longer
the stitch). When the
con
trol is
set
on
O’,
the
machine
ceases
Feeding; maximum
stitch
length
is
6
to
the
inch (4
mm). To regulate
the
stitch
length,
turn the control
until the desir
ed number
is
fully visible
at
the
top of
the
slot
(see
arrow).
Reverse
Sewing
To
sew
in
reverse,
simply
press
the
finger-tip
control
down.
When
the
control
is released, the
machine
re
sumes
forward sewing.
This
feature
is
ideal for
backtacking
the
beginning
or
end of
a
seam
and for
darning
rips.
17
OR
008
DR
009

Fundamentals
of
Machine
Operation
•
Never
run
a
threaded
machine
unless
you
have
fabric
under
the sewing
foot.
•
Place
both
threads
back
under
the sewing
foot
before
you put
fabric
into
the machine.
•
Always
bring
the
take-up
lever
to
its
highest
position
before
you
begin
rind
after
you
have
completed
a
seam.
•
The
machine
will
feed the
material
under
the sewing
foot
automatically.
All
you
have
to
do
is
guide
the
work.
Never
try
to
hasten
feeding
by
pushing
or pulling
the
fabric
With
presser
foot
No.
93-838
95OQO
attached
to
your
machine,
you
can
start
sewing
now.
Enjoy
creative
sewing
with
your
Pfaff.
To
exchange
the
sewing
foot
loosen
thumb
screw
14
(page
3).
Make
sure,
you
tighten
this
thumb
screw securely
again.
18

_‘%_
R
8228
Z.._,
..,
——
.,
Inserting
Patches
Large
holes
can
be
patched quickly.
Trim
away
ragged
edges
around
the
hole, cutting
a
square
opening
exactly
on the fabric
threads.
Cut the
patch
slightly
larger and
sew
it
down
(inner
seam).
Cut
into
corners,
fold down
raw edges
and
stitch
along
folded
edges
(outer
seam).
19