Pfaff 145 Owner's Manual - Page 11

Reguating, Stitch, Length - bobbin case

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Adjusting the Lower Tension The tension is correct if when pulling the thread a noticeable resistance out of the bobbin case. of spring V (Fig. 7) has to be overcome tT(iFgaihkg.teer7th)teenwbsiitohobnb,tihnoercchaoosueonktoeusrtc-croelofwctdkhrweiviesmer,acfoharsinaeaplaopnordsoeprrreitagetunels.aitoeTnu.trhne tension by this screw turning screw clockwise for Z, a If puckering occurs on delicate @as both tensions slightly. materials although the tension has been set correctly, 11. Regu)ating the Stitch Length The stitch lever. length is regulated by turning thumb nut S (Fig. 12> on the feed regulator slTTeehutwtreeninrsngtu,hVmirsebasnenprduestcRtiocvnloeonlcytkh.twehiesleelfetffot orsfisdthehoerotfesrcthaselteitsccihnaeldsei,ca(Foterig.ctho1eu2)nstestitrta-ccnhldoclfekonwrgitfshoerwifnaorrdmlioallnnimgdeerbtearscstk.itwcThaehrdse. wdmToihlawlicsnhbiednieenrvewifscouielrlmwseaiendrwdcoinfrienpsetoadrrneiantvtlgeyesr.speoa.siAstipnordnin.cgoWnwhveehnricshethlyep, elwremvheearnneitsnhteplyulsehhveoedrldissuprtheaelseaffseaeerdd,asfroeirtgwuwaliraldltogrseow,leitvnheger If desired, the machine can be fitted the direction of feed by foot action. with a treadle which makes it possible to reverse R 9933 Fig. 12 10

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Adjusting
the
Lower
Tension
The
tension
is
correct
if
a
noticeable
resistance
of
spring
V
(Fig.
7)
has
to
be
overcome
when
pulling
the
thread
out
of
the
bobbin
case.
Take
the
bobbin
case
out
of
the
machine
and
regulate
the
tension
by
turning
screw
Z,
(Fig.
7)
with
the
hook
screwdriver,
as
appropriate.
Turn
this
screw
clockwise
for
a
tighter
tension,
or
counter-clockwise
for
a
looser
tension.
If
puckering
occurs
on
delicate
materials
although
the
tension
has
been
set
correctly,
@as
both
tensions
slightly.
11.
Regu)ating
the
Stitch
Length
The
stitch
length
is
regulated
by
turning
thumb
nut
S
(Fig.
12>
on
the
feed
regulator
lever.
Turn
this
nut
clockwise
for
shorter
stitches,
or
counter-clockwise
for
longer
stitches.
The
numbers
on
the
left
of
the
scale
indicate
the
stitch
length
in
millimeters.
The
letters
V
and
R
on
the
left
side
of
the
scale
(Fig.
12)
stand
for
forward
and
backward
sewing,
respectively.
This
device
incorporates
a
spring
which
permanently
holds
the
feed
regulator
lever
down
in
forward
feeding
position.
When
the
lever
is
pushed
up
as
far
as
it
will
go,
the
machine
will
sew
in
reverse.
And
conversely,
when
the
lever
is
released,
forward
sewing
will
be
resumed
instantly.
If
desired,
the
machine
can
be
fitted
with
a
treadle
which
makes
it
possible
to
reverse
the
direction
of
feed
by
foot
action.
R
9933
Fig.
12
10