Pfaff 28 User Manual

The bobbin
thread
tension
is regulated
by
means
oF
the
small
screw
driver.
Turning
tension
screw
d (see
photo
8)
clockwise
, will increase
the tension;
turning it
coueter-clockwise
-<
will
decrease
the
tension.
Since most
of the
stitching
work
done
on
the PFAFF
28
coIls
not
only
for perfect
but also
for strong
and
durable
seams,
the thread
tensions
must
be
regulated
very
coefully.
The
seam
must
show
tightly
drawn
and
straight
sttchus
which are
locked
in the
cene
oF the thickn,ss
of he
ma ter
ia.
F;g.
10
It
is
absolutely
essential
to
use
top-quality
threads.
Never
use
cheap
threads
of
inferior
quabty
which
might impair
the quality
of the
whole
work.
To
properly
regulate
the
thread
tens:ons
requres
some e;
per:ence
until one
can
tell
whether
the
needle
thread
tension is
too tght
cis
shown
in
fig.
11) or the
bobbin
thread tension
too loose.
Photo
8
Photo
9
7

Pfaff 28 Specifications

General

Brand	Pfaff
Model	28
Category	Sewing Machine
Language	English