Pfaff SZA-645F User manual

MODEL
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:
INSTRUCTIONS
for
the
use
and
maintenance
of
your
sewing machine
SZA-645F
C
S.
I
I
1
/
I

j
SOME
SAFETY
RULES
1.
Be
careful when
sewing
that
your
fingerswill not
be
injured
by
the
needle.
2.
Make
sure
you
pull
out
the power
cord
plug
whenever
you want to
change needle,
sewing
foot, bobbin
or
needle plate,
when
you clean
and
oil
the
machine,
or
when
you
have
to interrupt
sewing
and
leave
the
machine
for
a
while.
3.
Be sure
to
use
only
a
15-watt
light
bulb
in
the
sewing
lamp.

TABLE OF
CONTENTS
Know The Parts
.
Front
View
Back View
Accessories
Extension
Plate
Handle
Needles And
Threads
Ball
Point
Needles
Changing
Needle
Changing
Presser
Foot
Threading
Machine
Winding
Bobbin
Bobbin
Winder
Stop
Threading
Upper
Thread
Removing Bobbin
Case
Threading
Bobbin
Case
Inserting
Bobbin
Case
Bringing
Up
Lower
Thread
Controls
Stitch
Pattern
Limit
Lever
Stitch
Length
Reverse
Stitch
Tension
of
Upper Thread
Tension
of
Lower
Thread
Pressure
Fabric
Feed
Sewing
Light
And
Light Switch
Thart
for
Making
Different
Types
of
Stitches
Operation
of
The
Machine
To
Remove
The
Work
3
4
4
5
5
6
6
7
7
7
8
9
9
10
10
11
11
11
12
12
13
14
14
15
15
16
17
17
18
18
19 19 19 19 20 20
21
21
22
22
22
Using
Quilting
Attachment
Straight Stitching
.
Straight
Stitch
Turning
a
Corner
Reinforcing
Ends
of
Seam
Basting
Staystitching
Zig-zag
Stitching
Zig-zag
Stitch
Shell
Stitch
Edging
Bartacks
Satin
Stitch
Using.The
Cloth Guide
And
Thumb
Screw

3
Stretch
Stitching
23
Stretch
Straight
Stitch
23
3-Step
Stretch
Zig-zag
Stitch
23
Rickrack Stitch
24
Slant
Overlock
Stitch
24
Feather
Stitch
24
Decorative
Stitching
25
Top
Stitching
25
Feather
Stitch
25
Rickrack
Stitch
26
Adjusting
Stitch
Balance
26
Double
Needle
27
Turning
a Square
Corner
28
Smocking
28
Monograms
29
Appliques
29
Embroidery
30
Finishes
31
Seam Edges
31
Overlock
Stitch
31
Slant
Overlock
Stitch
32
Hems
33
Blindstitching
33
Buttons
34
Thread
Shank
34
Buttonholes
35
Stitching Buttonhole
36
Zippers
37
Corded
Seam
37
Mending
And
Darning
38
Tears
38
Patches
38
Darning
39
Caring
for
Your
Machine
40
Cleahing
40
Shuttle
Cleaner
40
Oiling
41
Problems
—
And
Probable
Causes
42,
43

1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
Handle
Limit
lever
Upper
thread
guide
Take-up
lever
Dial
tension
Thread
tension
Thread
guide
Needle
bar
Needle
clamp
Needle
plate
Shuttle
Cover
KNOW
THE
PARTS
FRONT
VIEW
12
10
11
18
19
12.
13.
14.
15.
16.
17.
18.
19.
Stitch
indication
panel
Stitch
pattern
dial
Stitch
length
dial
Reverse
stitch
dial
Base
plate
Ruler
Accesso 1
box
Extension plate
—1——

20.
21.
22.
23.
24.
25.
26.
27.
Spool pins
Bobbin
winder
Bobbin winder
stop
Stop
motion knob
Hand wheel
Main
switch
Belt
cover
Socket
Bobbin
winder
guide
Pressure
regulator
Face
plate
Presser
foot
lever
Presser
bar
Presser
foot
thumb
screw
Presser
foot
Bed plate
Machine
body
plate
Machine
cover
20
21
22
BACK
VIEW
23
24
25
26
27
37
28.
29.
30.
31.
32.
33.
34.
35.
36.
37.
—2—

Accessories
1.
3
Bobbins
2.
3
Needles
(Size
14)
3.
1
Double
needle
(Size
14)
4.
2
Felt pads
(for
spool
pins)
5.
Zipper
foot
6.
Straight
stitch foot
Stretch
stitch
foot
Buttonhole
foot
Button
sewing
foot
Quilting
attachment
2
Screwdrivers
Cloth
guide
I
rz
14(f)t
2
L14
3
4
10
7
8
9
11
7.
8.
9.
10.
11.
12.
—3—

EXTENSiON
PLATE
To
attach extension plate,
set
ex
tension
plate around
the free
arm
plate of
machine from the
left side.
•
In
case of setting
the extension
plate,
you
can use it for flat
bed
sewing
machine.
•
In case of removing
the extension
plate,
you can use it for
free
arm
sewing
machine.
ACCESSORY
BOX
Accessories
for your
sewing
machine
are
located in the built-in
accessory
box on
the right side
of extension
plate.
To open
the accessory box,
pull the
right
side
of extension plate
toward
you.
HANDLE
Push
the end
of
handle,
and
pick its
up
by another
hand.
Accessory box
—4—

NEEDLES
AND
THREADS
The
needle and
thread
you
choose
depends upon
the
fabric
you
are
stitching.
The
correct
needle
size
is
important
to
avoid damaging
the fibers
of
light weight
or
tightly
woven
fabrics,
and
to
prevent
needle
breakage
when
stitching
heavy
or
stiff
fabrics.
Needle
-
.
iiireau
Fabric
size
.
polyester
tricot,
lingerie
fabrics,
chiffon,
•
cotton
covered
polyester
net,
voile,
sheer
lace,
fine
silk,
fine
•
fine
mercerized
cotton
(70-100)
organdy
•
silk
A
.
polyester
light
weight
knits, jerseys,
silk,
1
1
•
cotton
covered
polyester
batiste,
taffeta,
satin,
lace,
crepe
light
•
mercerized
cotton (50-60)
•
silk
A
•
polyester
double
knits,
linen,
poplin,
14
•
cotton
covered
polyester
gingham,
pique,
seersucker,
fine
medium
•
mercerized
cotton
(50)
corduroy,
velveteen, light weight
•
silk
A
wools
•
polyester
heavy
wools,
corduroy,
felt,
•
cotton
covered
polyester terrycloth,
canvas,
upholstery
16
•
mercerized
cotton
(40-50)
and
drapery
fabrics
heavy
•
heavy
duty
mercerized
(40)
•
silk
D
(buttonhole
twist
for
top-
stitching)
Use
only
No.
15
x 1
(705)
needles
in
this
machine.
•
Always
use
same
type
and
size
of
thread
in
both
needle and
bobbin.
•
Always
use
a
sharp
needle.
A
blunt point
can
cause
skipped
stitches
or snag
the
fabric.
Chemical
finishes and
man-made
fibers
blunt
the
needle
faster.
•
Never
use a
bent
needle.
•
If your
machine
is
skipping
stitches,
replace
the
needle
before
looking
for
trouble
elsewhere.
Ball
Point
Needles
are
designed
to
sew
knits
and
stretch
fabrics.
The
ball
point
tip
can
slip
between the
fabric
threads,
while
the
point
of
an
ordinary
needle
may
damage
the
fibers.
Available
in
size
9,
11, 14,
and
16.
—5--

CHANGING NEEDLE
Raise
needle
to its
highest position
by
turning
hand
wheel
toward
you.
Loosen needle
clamp
screw
and remove
needle.
Place
new
needle
so
its flat side
faces
back.
Push
up into needle clamp
as
far
as
possible.
Tighten
screw
with
a
screwdriver.
Turn hand
wheel
toward you
one
com
plete
rotation
to be
sure
needle
is
correctly
positioned.
CHANGING
PRESSER
FOOT
Snap-On
Presser
Foot
Snaps
on and
off
a
master
shank
for
quick
and easy
changes.
Raise
needle
to
its
highest
position
by
turning hand
wheel
toward
you.
Raise
presser
foot
by lifting
presser
foot
lever
located
on
back
of
machine.
Press
down
on
lever
behind
shank
to
release
foot;
lift
foot
off.
Place
new
foot
at
base
of
shank.
Press
down
on
leyer
and
push
foot
in
place
on
shank;
release
lever.
t
—6--