Pfaff hobbylock 788 Owner's Manual - Page 29

rolled-hem - lower looper

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Rolled hem with polyester thread Preparation of the sewing machine: Needle: Sewing foot: Seam width: Stitch length: Thread: remove left needle / insert right needle engage rolled-hem foot ,,R" from 3.0 to 4.0 mm (depending on material) from 1 .0 to 2.0 mm (short stitch length) polyester thread 120-140 for green, red and yellow thread tensions Threading path: 1 right looper, red path 2. left looper, yellow path 3. needle thread, green path polyester thread polyester thread polyester thread For threading of needle and loopers, see pages 7 to 11. Tension setting: fold-over 3-thread hem. Fig. 1 Red thread tension, right looper approx. ,,N" Yellow thread tension, left looper ÷5 Green thread tension, needle thread approx. ,,N" 3-thread hem, Fig. 2 approx. + 5 approx. ,,N" to - 1 approx. ,,N" to + 1 Depending on material and thread, the respective thread tension must be set higher or lower. Rolled hem, sewn with bulk thread: This hem requires three threads, one bulk thread and two polyester threads 120 -140. Preparation of the machine, as described above. Thread: bulk thread - red tension polyester thread 120-140 for green and yellow tensions Threading path: 1. right looper, red path 2. left looper, yellow path 3. needle thread, green path bulk thread polyester thread 120-140 polyester thread 120-140 For threading of needle and loopers, see pages 7 to 11. Tension setting: Red thread tension, right looper Yellow thread tension, left looper Green thread tension,, needle thread fold-over 3-thread hem, Fig. 1 approx. ,,N" to -3 approx. + 5 approx. N" 3-thread hem, Fig. 2 approx. ,,N" to +5 approx. ,,N" approx. ..N" Note: Rolled hems can also be sewn with two bulk threads and one polyester thread. The bulk threads must then be threaded in the left and right looper. Depending on material and thread, the respective thread tension must be set higher or lower. 27

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Rolled
hem
with
polyester
thread
Preparation
of
the
sewing
machine:
Needle:
remove
left
needle
/
insert
right
needle
Sewing
foot:
engage
rolled-hem
foot
,,R”
Seam
width:
from
3.0
to
4.0
mm
(depending
on
material)
Stitch
length:
from
1
.0
to
2.0
mm
(short
stitch
length)
Thread:
polyester
thread
120-140
for
green,
red
and
yellow
thread
tensions
Threading
path:
1
right
looper,
red
path
polyester
thread
2.
left
looper,
yellow
path
polyester
thread
3.
needle
thread,
green
path
polyester
thread
For
threading
of
needle
and
loopers,
see
pages
7
to
11.
Tension
setting:
fold-over
3-thread
3-thread
hem,
hem.
Fig.
1
Fig.
2
Red
thread
tension,
right
looper
approx.
,,N”
approx.
+
5
Yellow
thread
tension,
left
looper
÷5
approx.
,,N”
to
—
1
Green
thread
tension,
needle
thread
approx.
,,N”
approx.
,,N”
to
+
1
Depending
on
material
and
thread,
the
respective
thread
tension
must
be
set
higher
or
lower.
Rolled
hem,
sewn
with
bulk
thread:
This
hem
requires
three
threads,
one
bulk
thread
and
two
polyester
threads
120
—140.
Preparation
of
the
machine,
as
described
above.
Thread:
bulk
thread
—
red
tension
polyester
thread
120-140
for
green
and
yellow
tensions
Threading
path:
1.
right
looper,
red
path
bulk
thread
2.
left
looper,
yellow
path
polyester
thread
120—140
3.
needle
thread,
green
path
polyester
thread
120—140
For
threading
of
needle
and
loopers,
see
pages
7
to
11.
Tension
setting:
fold-over
3-thread
3-thread
hem,
hem,
Fig.
1
Fig.
2
Red
thread
tension,
right
looper
approx.
,,N”
to
—3
approx.
,,N”
to
+5
Yellow
thread
tension,
left
looper
approx.
+
5
approx.
,,N”
Green
thread
tension,,
needle
thread
approx.
N”
approx.
..N”
Note:
Rolled
hems
can
also
be
sewn
with
two
bulk
threads
and
one
polyester
thread.
The
bulk
threads
must
then
be
threaded
in
the
left
and
right
looper.
Depending
on
material
and
thread,
the
respective
thread
tension
must
be
set
higher
or
lower.
27