4. Stitching-Off
After the machine has been adjusted, stitch it off carefully, in
order
to be
able
to stitch off the machine correctly, ask your customer to submit a suf
ficient amount of fhreod
and
fabric as well as a specimen of the finished
work.
a. Sewing
Thread
The Pfaff 3334 handles all customary branded threads of
silk^
cotton,
linen, nylon, etc.,
without
any
difficulty.
Select the
proper
needle
and
thread
from the Table on
page
59.
b.
Needle
Insert the
needle
into the
opening
of the
needle
clamp
so
that
its long
groove
faces
toward
you.
The Pfaff 3334 normally uses the following needle systems:
System 34 R (or
LR)
for Model B machines,
and
System 332R (or
LR,
D, etc.) for
Model
C machines.
System 34 needles can be used only for needle sizes up to No. 110 be
cause
all needles of a
larger
size (No. 120
and
up)
have
a thicker shank.
Take
care
that
the needle does not
enter
the fabric up to the shank as this
might
shear
off the thread. If System 34 needles should prove
too
short,
use system 31x1 or 68x13 needles. Needles of this System fit the needle
bar
also
in sizes 120
and
130,
and
require
only
a
slight
vertical
adjustment
of
the needle bar. If your customer
wants
to use needles thicker
than
No. 110,
System 34 R
needles
can
be
replaced
by System 287
needles.
All
Model
C
machines
feature
a needle
bar
which is fitted to receive System 332
(29x1)
needles.
Earlier
machines
(manufactured
up to April, 1954)
were
fitted with a
needle
bar
for System 134
and
134-35 needles.
60
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