Pfaff 145 Owner's Manual - Page 2

General, Fundamentals, Operation - parts

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1. General The Pfatf 145 is a special-purpose sewing working sleeve take-up and vertical rotary It is chiefly used for sewing Its permissible top speed is multiple plies 2,800 s.p.m. machine equipped hook, which sews with unison forward and feed, smoothly backward. where it is important that all finish out evenly. When sewing tightly reduced in order to woven prevent and heavily overheating dressed materials, of the needle. the sewing speed should be tccmTrhiahmeiunenmsete'smisnatgohcxraeimmptraenuicmcamihttmuyarn.sienpisgIefmoeft.dmhsetehcewmhahawnixcoiihsmrmkucsmaannodsfptbeeetnheedaatrttieahsiincefeakxdrnceebwseesdiltoehowdf,mttthahrceoehuibmrneleeacstoemmrfiiaamtytleeddtneednwvedeidtlhotoptospplciehmcsieiiptafellytehdaeisnttamtbhceaeh To avoid trouble in the mechanism, run until the parts which are in movable action upon each other. This should constant use. the machine contact have normally be at about 70 per cent of its top speed become thoroughly glazed by their the case after about two weeks' ydIbAfoialslufleiartnmtnelgcedaaefctgwhehwiidntahh.enesdTethloa.earneeIldfnatrgdtteueeagrrsguniertlyeatprdthhle,eyishpleaoumqrlwglueeeeicypvh,pleaortench,dikestmhwnmeuiytatfhoccchrlaaionsnceefkwixwbiiesenidsgdes,i.upspuphploallltedicyehdtewhdewhiwictbhhiathlaaisnthdcceeiasssewetnwhgienianeglgoenasmtbeeleaecwdhiyptahunwlilsteihmtyhe. 2. Fundamentals of Machine Operation BNOwBeiehelfvifocoterhhrreeerhyumyaonosuaucaashcttpiachnuruerttemaostudhenlweelaydtinemwdgma,itachinlchahiyPntirfneaabenfofistnuhistnelotwaehpnsirednsergaayodtoiimslounatbhchaheafciovknrmeeuatfhncoaiehdblierniwrfceirhtshiuttchenhotdiprmeiorsrueeg,snthshoecelnyra-rprefe(rofsseuoeisltnel.syoeCursrhefaomapdnottd.evrea3c)ai.ldl-fdreues.t To prevent stitches. thread jamming, hold both thread ends until the machine has made a few Do not pull the material while stitching; the machine will Use needles of the correct system only (see Chapter 6). feed the fabric automatically. Never use rusty needles. Use high-quality threads only. Always bring the take-up lever to its highest point before you remove the material.

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1.
General
The
Pfatf
145
is
a
special-purpose
sewing
machine
equipped
with
unison
feed,
smoothly
working
sleeve
take-up
and
vertical
rotary
hook,
which
sews
forward
and
backward.
It
is
chiefly
used
for
sewing
multiple
plies
where
it
is
important that
all
finish
out
evenly.
Its
permissible
top
speed
is
2,800
s.p.m.
When
sewing
tightly
woven
and
heavily
dressed
materials,
the
sewing
speed
should
be
reduced
in
order
to
prevent
overheating
of
the
needle.
The
maximum
speeds
which
can
be
attained
with
machines
fitted
with
special
attach
ments
or
trimming
mechanisms
often
are
far
below
the
recommended
top
speeds
be
cause
the
nature
of
the
work
and
the
thickness
of
the
material
tend
to
limit
the
ma
chine’s
capacity.
If
the
maximum
speed
is
exceeded,
trouble
may
develop
chiefly
in
the
trimming
mechanism.
To
avoid
trouble
in
the
mechanism,
run
the
machine
at
about
70
per
cent
of
its
top
speed
until
the
parts
which
are
in
movable
contact
have
become
thoroughly
glazed
by
their
action
upon
each
other.
This
should
normally
be
the
case
after
about
two
weeks’
constant
use.
All
machines
are
regularly
equipped
with
a
fixed
pulley
which
is
cast
in
one
with
the
balance
wheel.
If
desired,
however,
they
can
be
supplied
with
a
disengageable
pulley.
If
fitted
with
the
latter
type
pulley,
the
machine
is
dispatched
with
the
sewing
mechanism
disengaged.
To
engage
this
mechanism
for
sewing,
hold
the
balance
wheel
steady
with
your
left
hand
and
turn
the
large
lock
nut
clockwise.
2.
Fundamentals
of
Machine
Operation
Before
you
put
the
machine
in
operation
for
the
first
time,
carefully
remove
all
dust
which
has
accumulated
in
transit
and
oil
the
machine
thoroughly
(see
Chapter
3).
Oil
the
machine
only
with
Pfaff
sewing
machine
oil
which
is
non-resinous
and
acid-free.
Never
run
a
threaded
machine
unless
you
have
fabric
under
the
presser
fodt.
Before
you
start
sewing,
lay
both
threads
back
under
the
presser
foot.
To
prevent
thread
jamming,
hold
both
thread
ends
until
the
machine
has
made
a
few
stitches.
Do
not
pull
the
material
while
stitching;
the
machine
will
feed
the
fabric
automatically.
Use
needles
of
the
correct
system
only
(see
Chapter
6).
Never
use
rusty
needles.
Use
high-quality
threads
only.
Always
bring
the
take-up
lever
to
its
highest
point
before
you
remove
the
material.