SINGER 132B26 - Manual (Page 7)

Fig. 26
Fig. 27
REGULATING THE THREAD
TENSION
The thread tensions of upper thread
(a) and lower thread (b) should he
equal
1. Correct tension
2. Tight tension of needle thread
3. Tight tension of bobbin thread
ADJUSTING THE TENSION OF THE
UPPER THREAD
The serrated nut (fi) controls the tension of two
upper threads. To increase the tension, turn the
nut to right, or to left to decrease it.
ADJUSTING THE TENSION OF THE
LOWER THREAD
See the instructions for SK machines.
ADJUSTING THE PRESSER FOOT PRESSURE (Fig, 7)
The pressure of the presser foot is regulated by the screw (1).
To incrca.se the pressure, turn it to the right and to the left to decrease the pressure.
ADJUSTING THE STITCH LENGTH (Fig. 7)
Turn the balance wheel toward you, at the same time pressing on the feed
regulating lever (2) until it snaps into the feed driving mechanism.
Continue the pressure on the lever and turn the balance wheel either to or from
you until the travel of the feed is such as to give the required length of stitch.
Fig. 28
THE BULGE GUIDE OF
SEWING MATERIAL
Normally, edge of the guide (1)
comes to the center of the needle
plate.
To adjust this, loosen the set
screw (2) and move the guide to­
ward the arrow direction.
The shape of the guide can be
varied according to the sewing
purpose.
GAUGE PARTS
There are three kinds of gauge parts (needle clarttps) as 3.5 mm 4.8 mm and
7.5 mm, wliich can be changed according to your purpose, replace it to the re-
(luired size.
ONE OR THREE NEEDLE MACHINE (SKM only)
One needle machine is used for decorative coarse straight stitching.
On three needle machine, either the right or left side (two needles) make
moccasin stitch and the other needle makes decorative coarse stitching.
I hree needle machine can also be used for only the decorative coarse stitciiing
I hese stitchings can be made by replacing the re.spective presser foot, needle
clamp, needle plate, and feeder.
Fig. 29 Fig. 30
PIPING OR BEADING
Piping requires a special needle plate witli a
hole for die cord.
Fig. 31
DUMMY-JOINT FINISH WITH KNIFE
A knife fitted on the pres,ser foot makes dummy-joint finish on the shoe up­
pers, For this work, knife and special presser foot with groove are required.
TWO ROLLER PRESSERS (SKM only)
Tie roller pressers employ ball bearings to airl
in curve stitching.
Fig. 32
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