PFAFF
41P
HOBBY
SERGER
ow
po
IMPORTANT
SAFEGUARDS
•
Never
bend
loopers
and
needle
while
threading
and
sewing.
•
Before
connecting
machine
be
sure
voltage
on
AC
adaptor
matches
your
electrical
outlet.
•
Disconnect
AC
adaptor
from
socket
outlet
when
changing
needle
or
when
leaving
machine
unattended.
•
Do
not
pull
fabric
while
sewing
as
this
may
bend
needle
and
cause
needle
breakage
or
damage
to
machine.
•
Handle
foot
switch
with
care
and
avoid
dropping
it
on
floor.
Be
sure
not
to
place
anything
On
top
of
it.
•
Check
machine
is
threaded
correctly
before
sewing.
CONTENTS
PRINCIPAL
PARTS
2
ACCESSORIES
3
INSTRUCTION
SYMBOLS
3
CONNECTING
AND
RUNNING
MACHINE
3
TRIAL
SEWING
3
ADJUSTING
THREAD
TENSION
4
PREPARATION
FOR
THREADING
5
TYING
ON
THREADING
5
THREADING
PATH
A
(LOWER
LOOPER)
STEP
1
6
THREADING
PATH
B
(UPPER
LOOPER)
STEP
2
7
THREADING
PATH
C
(NEEDLE)
STEP
3
8
PREPARATION
FOR
FORMING
THREAD
CHAIN
8
FORMING
THREAD
CHAIN
8
START
TO
SEW
9
SECURING
TAIL
CHAINS
9
TURNING
SQUARE
CORNER
9
RESTITCH
PART
OF
SEAM
10
BLINDSTITCH
11
DECORATIVE
FLATLOCK
12
JOIN
TWO
PIECES
OF
FABRIC
12
CARING
FOR
YOUR
MACHINE
12
CHANGING
NEEDLE
12
PERFORMANCE
CHECKLIST
12
QUESTIONS?
CONTACT
YOUR
PFAFF
DEALER
WHERE
YOU
PURCHASED
THIS
PRODUCT.
—
PRINCIPAL
PARTS
10.
Needle clamp
body
holds
needle
in
machine
11.
Presser
bar
12.
Thread
guide
13.
Needle
-
Style
2020
size
14
14.
Seam
guide
(#287624)
helps
keep
seam
allowance
even.
15.
Lower
looper
forms
lower
stitch.
16.
Upper
looper
forms
upper
stitch.
17.
Presser
foot
holds
fabric
against
feed
system.
18.
Presser
foot
lifter
lets
you
raise
and
lower
presser
foot.
Press
down
to
lift
foot.
19.
Internal
threading
light
(turns
off
when
foot
switch
is
plugged
into
machine)
Remove
Front
Cover
77
3
5—
4
6
.II
7
7-1
1/16
12
17
I
t
.
CT)
14
19
10
18
12
N
13
\
-
17
1.
Thread
guide
holder
2.
Thread
guide
helps
to
ensure
a
smooth
flow
of
thread.
3.
Spool
pin
and
cap
holds
top
thread
supply
and
prevents
thread
tangling.
4.
Thread
5.
Tension
dial
controls
thread
tension.
Do
not
adjust
these
dials
until
threading
is
checked.
6.
AC
adaptor
#287581
(9V
650mA)
supplies
power
for
your
machine.
7.
Foot
switch
(#287597)
runs machine.
7-1.
Sewing
speed
selector
Low
(toward
“I”)
and
high
(toward
II”
speed
selection.
8.
Handwheel
provides
a
means
for
raising
or lowering
the needle.
9.
Front
cover
(#287569),
covers
mecha
nism.
Threading
diagram
is
displayed
on
rightside
of
machine.
—2—
ACCESSORIES
3
each
x
Thread
cap
(large
size)
#287537
I
3
x
Demo
thread
spool
(on
machine)
•
Raise
presser
foot.
(Push
down
on
lever)
•
Plug
adaptor
(1)
into
electrical
outlet
to
power
machine
and
turn
on
light
(under
needle
plate)
for
threading.
Note:
When
foot
switch
plugged
in
light
will
go
out.
•
Connect
foot
switch
(3)
to
run
machine
and
turn
off
light.
•
Swing
thread
guide
holder
up
to
op
erating
position
until
two
bar
sym
bols
align.
Alignment
of
bar
symbols
is
extremely
important
to
ensure
smooth
flow
of
tflread.
•
Straighten
all
threads
between
thread
spools
and
tension
dials
until
thread
are
taut.
•
Check
thread
to
make
sure
it
is
not
tangled
under
spool
or
spool
stand.
1
x
Tweezers
#287589
3
each
x
Thread
cap
(medium
size)
#287539
(on
machine)
CONNECTING
AND
RUNNING
MACHINE
•
Connect
AC
adaptor
(1)
cord
into
receptacle
(2).
V2
/
2
i
2
x
Threaders
#287824
2
x
Needles
(1
in
machine)
#2020-014
TRIAL
SEWING
•
Take
machine
out
of
carton.
INSTRUCTION
SYMBOLS
To
simplify
understanding,
the
following
symbols
are
used
throughout
operator’s
manual.
_______
•
Unplug
toot
switch.
•
Turn
hand
wheel
to
raise
needle.
•
Turn
handwheel
towards
you.
MLJJUIIrIU
IMHLAU
ItNSIUN
•
Plug
in
adaptor
and
foot
switch.
(If
not
already
plugged
in)
Note:
Foot
switch
comes
from
factory
on
low
speed.
Internal
threading
light
turns
ott
when
switch
is
plugged
into
machine.
•
Press
foot
switch
to
continue
sewing
fabric
(
under
presser
foot).
•
Lightly
guide
fabric
while
sewing.
Note:
Seam
guide
is
preset
for
pro-
ocr
width
and
sewing
angle.
•
When
seam
is
complete
continue
sewing,
lightly
pulling
fabric
towards
left
rear
corner
of
machine
chaining
off
and
forming
thread
tail.
•
Cut
thread
tail
between
presser
foot
and
fabric.
SEW
OTHER
SIDE
•
Lower
needle
clamp
body
to
lowest
setting.
•
Use
presser
foot
lifter
to
raise
presser
foot.
•
Place
other
side
of
fabric
under
presser
foot
and
sew.
•
When
seam
is
complete
continue
sewing,
lightly
pulling
fabric
toward
left
rear
corner
of
machine
chaining
off
and
forming
thread
tail
for
next
sewing.
—
4
—
•
Thread
tension
of
your
machine
has
been
preset
to
5
to
suit
most
sewing
applications.
But
some
threads
and
fabrics
require
readjusting
thread
tension
to
improve
stitch
appearance
and
eliminate
skipping.
•
Adjust
thread
tension
by
slightly
turning
tension
dial.
•
Always
double
check
threading
before
attempting
to
adjust
thread
tension.
•
Make
a
test
sample
to
find
proper
tension
before
sewing
on
your
fabric.
(1):
Lower
looper
thread,
(2):
Upper
looper
thread,
(3):
Needle
thread.
LOWER
LOOPER
UPPER
LOOPER
NEEDLE
SITUATION
THREAD
TOO
THREAD
TOO
THREAD
LOOSE
LOOSE
TOO
LOOSE
‘3l377
CHARACTERISTIC
Threads
lock
Lower
looper
Upper
looper
Needle
thread
together
thread
spills
over
thread
spills
over
form
loops
on
smoothly,
cut
edge
to
right
cut
edge
to
wrong
wrong
side
of
well
balance.
side
of
fabric,
side
of
fabric,
fabric.
ADJUSTMENT
—
Turn
lower
Turn
upper
Turn
needle
looper
thread
looper
thread
thread
tension
tension
dial
tension
dial
dial
clockwise
clockwise
to
a
clockwise
to
a
to
a
tighter
tighter
setting.
tighter
setting.
setting.
/
1-
“
Turn
needle
thread
tension
Turn
upper
ALTERNATIVE
dial
counterclockwise
to
a
thread
tension
ADJUSTMENT
looser
setting.
dial
counter
clockwise
to
a
looser
setting.
PREPARATION
FOR
THREADING
•
Your
machine
comes
threaded.
If
you
wish
to change
thread,
an
easy
method
for
threading
is
tying
on
threads.
(refer
to
page
5)
•
If
machine
runs
out
of
thread,
it
is
necessary
to
rethread
machine.
(refer
to
Page
6)
•
Unplug
foot
switch.
•
Swing
thread
guide
holder
up
to
operating
position.
•
Remove
front
cover
by
lifting
gently
at
tab
on
right
side.
•
Connect
AC
adaptor
(only)
to
turn
on
light
for
threading.
•
For
best
sewing
performance
use
proper
spool
cap.
•
Slide
spool
cap
firmly
against
rim
of
spool
to
prevent
thread
tangling.
Thread
spool
Key
feature
Spool
cap
(t91
Large
size
Not
required
,
cross
wound
Regular
size
Parallel
wound
,..-,-
Large
cap
Small
size
IIIi
Parallel
wound
/
Medium
cap
TYING
ON
THREADING
•
Clip
thread
in
front
of
needle.
•
Cut
threads
close
to
spools.
•
Remove
old
thread
spools.
•
Place
new
thread
spool.
•
Tie
new
and
old
threads.
•
Pull
needle
thread
until
knot
appears.
•
Cut
knot.
•
Thread
needle
ii
JJ\
I\
\4o
E5
--
a
u’%
-—
Use
tweezers
to
place
thread
into
two
discs.
•
Raise
lower
looper
to
near
internal
cover
(about
width
of
tweezers).
This
is
optimum
position
for
threading
lower
looper.
•
Insert
threader
into
left
side
hole
(A-4).
•
Hold
tweezers
in
right
hand
and
guide
thread
through
threader.
•
Pull
threader
towards
you
threading
looper
from
back
to
front.
THREADING
PATH
A
(LOWER
LOOPER)
STEP
1
Ai
A
4
•
Draw
thread
(A)
through
guide
(A1).
•
Bring
thread
through
guide
(A-2).
A4
Dj
A-5
•
Use
tweezers
to
guide
thread
down
through
front
guide
(A-3).
•
Use
tweezers
to
guide
thread.
Place
thread
between
two
loopers.
•
Guide
thread
through
right
side
hole
(A-5).
•
Draw
thread
to
left.
—6—
Di
/T
needle
clamp
body
THREADING
PATH
B
(UPPER
LOOPER)
STEP
2
Bi
iL
2ZYf&I
B
•
Draw
thread
of
spool
(B)
through
guide
(B-i).
•
Pull
thread
down
to
guide
(B-2).
•
Use
tweezers
to
place
thread
into
two
discs.
•
Turn
handwheel
toward
Lower
needle
clamp
body
to
lowest
position.
This
is
optimum
position
for
threading
guide
(B-3).
fID
iII
needle
clamp
body
•
Guide
thread
down
through
rear
guide
(B-3).
Place
needle
clamp
body
to
highest
position.
This
is
optimum
position
for
threading
upper
looper.
•
Insert
threader
into
right
side
hole
(B-4).
•
Guide
thread
through
threader.
•
Pull
threader
towards
you
threading
looper
from
back
to
front.
•
Guide
thread
through
left
side
hole
(B-5).
•
Draw
thread
to
left.
—7—
‘HREADING
PATH
C
(NEEDLE)
STEP
3
•
Use
tweezers
to
place
thread
into
two
discs.
•
Pull
thread
down
through
guide
(0-3),
then
up
and
down
through
it
again.
•
Collect
threaded
threads
and
place
under
presser
foot.
—4(
c-I
•
Draw
thread
of
spool
(C)
through
guide
(C-i).
•
Pull
thread
down
to
guide
(0-2).
0
•
Thread
needle
from
front
to
back.
•
Draw
thread
to
left.
PREPARATION
FOR
FORMING
THREAD
CHAIN
•
Lower
needle
clamp
body
to
lowest
positon.
LI
(,c/
9
/
/
FORMING
THREAD
CHAIN
•
Hold
thread
ends
at
30°
to
needle.
(towards
left
rear
corner).
Note:
Draw
thread
at
the
same
pace
as
_______
fabric
feed.
•
Turn
handwheel
about
8
times
to
form
thread
chain.
•
If
chain
will
not
form
check
threading.
•
After
producing
chain
,
start
to
sew
on
your
fabric.
START
TO
SEW
_________________
SECURING
TAIL
CHAINS
Note:
edge
guide
is
preset
to
limit
stitch
_______________________________
needle
clamp
width
to
approximately
11/64
inch
(4.2mm).
body
__
•
Place
needle
clamp
body
to
lowest
•
Apply
liquid
fray
preventer.
position.
•
Place
thread
chain
9O
to
needle.
•
Use
large
needle
and
thread
chains
•
Place
fabric
under
presser
foot
touching
under
stitches.
needle
and
against
seam
guide.
TURNING
SQUARE
CORNER
•
Select
High
or
Low
sewing
speed.
•
Stan
stitching.
\
Outside
Corner
—
corner.
•
When
seam
is
complete
continue
•
Lightly
guide
fabric.
•
Sew
to
point
A,
one
stitch
past
end
of
sewing,
forming
thread
tail
for
next
sewing.
—9----
I
H
.
RESTITCH
PART
OF
SEAM
Raise
presser
foot.
(I
•
Pivot
fabric.
down
on
lever)
•
Insert
needle
at
edge.
•
Place
fabric
under
presser
foot.
•
Continue
stitching.
•
Adjust
fabric
to
overlap
previous
•
Lower
presser
foot.
nside
Corner
—
4
.
Sew
to
end
of
area
to
be
restitched,
overlap
stitching
1
inch
(25mm).
•
Stitch,
stopping
on
point
B.
•
Leave
needle
in
fabric.
N.
•
Remove
fabric
and
sew
tail
chain.
c
‘%
\
•
Puil
fabric
to
left
in
straight
tine.
•
Trim
threads
close
to
stitching.
•
Stitch
and
hold
fabric
in
straight
line.
10
BLINDSTITCH
DECORATiVE
FLATLOCK
ongde
4.2mm
—
0
•
Fold
hem
to
wrong
side.
•
Fold
hem
back
as
shown.
LI
•
Place
folded
edge
against
seam
guide.
•
Stitch
making
sure
needle
just
barely
catches
the
fold.
•
Turn
fabric
to
right
side
and
press.
wrong
skie
I
\
M
Fold
fabric
in
half
with
wrong
side
facing
up.
LkI
•
Place
fabric
under
presser
foot
and
align
seam
guide.
•
Sew
one
or
more
lines
of
decorative
flatlock
stitches.
•
Pull
fabric
open
and
press
stitching
flat.
—11
JOIN
TWO
PIECES
OF
FABRIC
CHANGING
NEEDLE
PERFORMANCE
CHECKLIST
Whenever
sewing
difficulty
is
encountered,
hard.
•
Loose
needle
set
screw.
Important:
For
best
results.
use
only
Needle
style
2020
size
14.
•
Insert
flat
side
of
needle
to
the
back
as
far
up
as
it
will
go.
•
Use
screwdriver
to
tighten
the
screw.
make
adjustments
as
noted
below
•
Insert
needle
correctly
or
replace
with
correct
needle.
(page
12)
•
Do
not
pull
the
fabric
by
hand.
Use
hand
only
to
guide
the
fabric.
•
Tighten
screw
firmly.
tside
tside
cz
•
Place
wrong
side
of
fabric
together.
•
Start
sewing
fabric.
•
When
finish
sewing,
pull
fabric
flat
and
press.
•
Add
one
drop
of
sewing
machine
oil
to
highlighted
areas
after
or
before
using
machine.
When
needle
•
Needle
not
inserted
breaks,
properly.
Fabric
being
pulled
too
CARING
FOR
YOUR
MACHINE
When
thread
•
incorrect
threading.
•
Thread
machine
correctly.
breaks.
•
bent needle
or
needle
(page
6,7
&
8)
point
damage.
•
Replace
needle.
(page
12)
•
thread
tension
too
tight.
thread tangled.
•
Adjust
tension.
(page
4)
.
Needle
inserted
incorrectly.
•
Thread
correctly.
(page
6,7
&
8)
•
Thread
guide
holder
not
•
Insert
needle
correctly.
(page
12)
aligned.
•
Align
bar
symbols
(page
3)
When
stitches
•
Needle
bent
or
needle
•
Replace
needle.
(page
12)
skip.
point
damage.
•
Set
needle
firmly
in
position.
Needle
set
loosely.
(page
12)
•
Incorrect
threading.
•
Thread
machine
correctly.
•
Wrong
needle
used.
(page
6,7
.&
8)
Use
Cat.
2020—01
4.
When
stitches
are
•
Thread
tension
not
•
Adjust
tension.
(page
4)
irregular.
balanced.
When
fabric
•
Thread
tension
too
tight.
•
Adjust
tension.
(page
4)
puckers.
•
Threading
incorrect
or
•
Rethread
machine.
(page
6,7
&
8)
tangled.
When
the
machine
•
Power
line
plug
not
•
Connect
with
power
source.
does
hot
operate.
connected.
(page
3)
—12—
/
