PREPARING
TO
SEW
(FIG.8)
1.
THREADING
THE
MACHINE.
2.
HOLDING
THE
LOOSE END OF
THE
NEEDLE THREAD IN YOUR LEET HAND, TURN THE HAND WHEEL
TOWARD YOU WITH YOUR RIGHT HAND UNTIL THE NEEDLE MOVES DOWN AND UP AGAIN TO ITS
HIGHEST
POINT.
3. PULL THE NEEDLE THREAD GENTLY
AND
THE
BOBBIN THREAD WILL COME UP WITH IT THROUGH THE
HOLE IN
THE
THROAT PLATE.
4. PLACE
BOTH
ENDS OF THREAD BENEATH AND IN BACK OF THE PRESSER FOOT.
5.
WITH THE NEEDLE RAISED, PLACE
THE
MATERIAL
TO
BE SEWN BENEATH THE PRESSER FOOT AND
LOWER
THE
PRESSER FOOT LEVER AS
FAR
AS IT WILL GO.
6.
START SEWING.
Fig. 8
-
Fig. 9-A Fig. 9-B
Fig.
9-C
TENSION
FOR
PERFECT STITCHING THE TENSION OF
THE
UPPER AND LOWER THREADS SHOULD BE BALANCED
AND
JUST TIGHT ENOUGH TO LOCK BOTH THREADS IN THE CENTER OF
THE
MATERIAL (FIG. 9-A).
IF THE
TENSION OF THE NEEDLE THREAD IS TOO TIGHT, OR IF THAT OF THE BOBBIN THREAD
IS
TOO
LOOSE,
THE NEEDLE THREAD WILL LIE STRAIGHT ALONG THE UPPER SURF ACE OF
THE
MATERIAL,
MAKING AN
IMPERFECT STITCH (FIG. 9-B). IF
THE
TENSION ON THE BOBBIN THREAD IS TOO TIGHT,
OR
IT IS TOO LOOSE, ON
THE
NEEDLE THREAD,
THE
BOBBIN THREAD WILL LIE STRAIGHT ALONG
THE
UNDER SIDE OF
THE
MATERIAL, MAKING AN IMPERFECT STITCH (FIG. 9-C).
REGULATING
THE
TENSION
NEEDLE
THREAD TENSION(FIG. 9-D)
THE
TENSION IS INCREASED AS THE TENSION
NUT
(A)
IS
TURNED CLOCKWISE AND IT IS DECREASED
WHEN THE
NUT
IS TURNED COUNTERCLOCKWISE. THE CHECK SPRING (C) GETS TIGHTER AS THE
TENSION STUD (B)
IS
TURNED CLOCKWISE WITH A SCREWDRIVER AND THE CHECK SPRING GETS LOOSER
AS THE TENSION STUD IS TURNED COUNTER-CLOCKWISE.
THE MACHINE IS
CORRECTLY ADJUSTED BEFORE LEAVING THE FACTORY TO SEW A PERFECT STITCH.
NOTE; ALL TENSION ADJUSTMENTS MUST
BE
MADE
WHILE THE PRESSER
FOOT
IS DOWN.
BOBBIN
THREAD
TENSION
(FIG 9-E)
ORDINARILY A PERFECT STITCH CAN
BE
SEWN
BY
VARYING THE TENSION OF THE NEEDLE THREAD,
HOWEVER IT
IS
SOMETIMES NECESSARY
TO
ADJUST THE BOBBIN THREAD TENSION (B). THIS TENSION
MAY
BE INCREASED
BY
TURNING THE TENSION SCREW (T) ON THE BOBBIN CASE TO THE RIGHT
AND
DECREASED
BY
TURNING SCREW TO THE LEFT.
From the library of: Superior Sewing Machine & Supply LLC
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