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To apply the auxiliary sewing
plate
USEFUL HINTS!
L
r
sewinri "late with its
Open slide a, insert tue auxi ja 'i
that the
1. When aarrnng place stitch reguang srew on pont
c
rear notch into recess bof the
neecule poe, so
don
But it is quite better to use the supplied feed cove
two angular parts ,d will close
the ne e
hes c
plate (fig. 14> to ovoid cutting of the soft darning yaru
line g
...
.
Close slide a oud be sur t,,no c
...
by the teeth of the feed dog.
come to lie beneath the slide (See
ig.
To assure good darning work the size of needl
must match the thickness of thread used. Therefore
we recommend
Thread No. 30
.—
40 in connection with needle No. 80 (8
Thread No. 50
—
60 in connection with needle No. 70 (7
Thread No. 80—100 in connection with needle No. 60 (6
Darning threads being twined lighter than sewinç
threads, both upper- and under tension must be essen
tially loosened when darning.
2. For sewing use lustreless thread—not glazed cotton
Lustreless thread is as strong as glazed cotton anc
moreover is smoother and more flexible, thus pro
ducing a better drawn-in stitch, which is importani
when the fabric -is washed.
Skipping of stitches may be caused:
1. Needle not set according to instructions.
2. If other than Pfaff Needles System 130 are used.
This needle is produced meticulously according to
our prescriptions and examined.
3. Needle being bent or thread used too fine.
Fig. 14
Thread breaking may be caused:
1. For the above three reasons.
2. The tension being too loose.
3. Using bad or knotty thread.
-
16
17
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