
5463
High-Speed Two-Thread Chainstitch
Sewing
U.S.Federal
Instructions
G.M.
PFAFF
Machine
Stitch
Type
AG,
KAISERS
401
LA
UTERN
BRANCH

Instructions
1.
The
Needle
Pfaff 5463
matching
two-thread
the
material
for
chainstitch
being
sewn
Operators
sewing
machines
(available in
sizes
use
System
70 to 120).
4463 KK
needlesinsizes
Insert the needle Into the opening of the needle bar and push it up as far as it will go.
set
Turn it so that its long groove faces toward you and tighten the needle
2.
Threading
Upper
threading
Lead the thread from spool 1 up to the top thread guide of the thread
to thread guide 2 on the machine arm.
the
Needle
is illustrated in Fig. 1.
Pass
it through the holes of this guide and of thread
screw securely.
stand
and down
Fig. 1
R9431

guide 3, clockwise around and between tension discs 4 and through the lower hole of ad
justable thread guide 5. Passing above adjustable thread regulator 5a, the thread is then led
from right to left through the hole in take-up lever 6 which moves up and down with the
needle bar. Then lead the thread down through guides 7, 8 and 9, and
back
through
3.
Threading
Pass
down
through
the
thread
through
hole 13 and
the
eyeofneedle
the
from
holes
thread
Looper
spool
11 on
12 and 13.
guide
10.
(Rgs. 2and3)
the
thread
clockwise
16 on
the
stand
around
arm
up and
and
standard.
through
between
Swing
the
tension
out
thread
pass
it from front to
top
thread
discs
14,
guidez,insert
guide
down
and
and
the
thread into the thread eyelet 17 near its lower end, and swing the guide back to its original
position.
J
'•S
Fig. 2 Threading the looper
R9432

Next,
pull
the thread
drawitthrough
into
thread
thread guide
18.
channel
18in the bedplate,
hole
20 of the thread
starting
puil-off
at the armstandard, and
lever,
opening
21. hole 22 of
the thread pull-off lever, hole 23 at the heel of the looper and then from front to back through
hole
24 at
the
looper
point.
In order to lace the thread through opening 19 to 24. open the small latch s and remove the
right-hand bed slide.
Turn
the balance wheel
until
openings 20 and 22 of the thread
pull-off
lever are in line with opening21between them so that the looper thread whichemerges from
opening 19 can be
To thread the looper, turn the balance wheel until the looper is on the extreme right of its
passed
through holes 20, 21 and 22.
stroke. Swing out the looper by pressing against latch K with your finger, as illustrated in
Fig. 3.
Rg435
Fig. 3 Threading the thread pull-off lever and the looper
4.
Regulating
The needle and looper thread tensions can be adapted to the thread and the material used
the
Thread
Tensions
by turning tension nuts M 1 and M 2 on the front and back of the machine arm, respectively,
in or out.asmay be
If. in
exceptional
required.
cases,
this
adjustment
should
prove
insufficient,
have
your
maintenance
man adjust the thread pull-off and the setting of stitches, as instructed In Sections 7 and 8
of
the
Service
Manual.

5. Regulating
The machine can be
the
Stitch Length
set
for a maximum stitch length of 5V2
(Fig.
i)
per
inch.
To regulate the stitch length, depress button x in the bedplate and turn the balance wheel
until
the
button
snapsinplace.
The stitch length is indicated in window y in the belt guard.
set
the machine for the desired stitch length, turn the balance wheel back or forth, while
To
button X Is
meters)
6.
Sewing
Since
into
lockstitch sewing machine, provided the
regulated
A
considerable
obtained
sewn
7.
Machine
Since
to a
Once
snapped
is in line with
this
two-thread
our
high-speed
correctly,
because
continously
in place, until
the
markinthe
chainstitch
lockstitch
amount of time is
there is no
at high
speed
Care
the
number indicating the desired stitch length (in milli
window.
seamer
seamers,
need
without any interruption.
its
proper
saved
on many sewing
follows
the
same
basic
operationisjustassimpleasthat
needle is
used
jobs
to change the bobbin and the individual
mechanical
and the tension
and a higher output of work
the Pfaff 5463 incorporates maintenance-free anti-friction bearings, its
few
manipulations.
a week, remove the face
cover
and put a few
drops
of oil into the oil dents on the
principle
of an
has
pieces
care
is limited
built
ordinary
been
can be
needle bar bearings.
All the
other
bearings are
solve
the
grease.
For the
same
reason, no
such non-sealed anti-friction bearings, it will dissolve the
The
only
implements
is important
that
the
ticularly when sewing fluffy or heavily
are
likely to
absorb
grease-packed
kerosene
that
shouldbeusedtoclean
lint which
the
greaseinthe
has
and must not be oiled
must be
used
in cleaning the machine. If
accumulatedinthe
dressed
bearings.
materials
grease.
the
machine
areabrush
machineberemoved
because
because
the
kerosene
andaduster.
the particles of
oil would dis
enters
regularly,
dressing
par
To clean the machine, take out the knee lever and tilt the sewing head back. This makes
the
looper
has
accumulated
easyofaccess.
between
From time to time,
the
tooth
rowsofthe
strip
feed
the
needle
dog
plate
and
with a pointed
remove
wooden
the
lint which
instrument.
It