NOTE
DO
NOT MOVE ECCENTRIC MORE THAN ABOUT 1116" ROTATION
AT
A TIME. THEN TIGHTEN
SET
SCREWS AND CHECK FOR RESULTS.
TIMING THE MOVEMENT
OF
THE NEEDLE BAR FRAME.
SET ZIG ZAG KNOB
FOR
STRAIGHT STITCH, TURN HANDWHEEL AND OBSERVE
TRAVEL THE NEEDLE INTO AND OUT
OF
THE NEEDLE SLOT IN THE
THROAT (NEEDLE) PLATE. IF THE NEEDLE SHOULD NOT
BE
CENTERED IN
THE SLOT, MAKE ADJUSTMENTS SUGGCSTED IN PARAGRAPH
ON
CENTERING
OF
NEEDLE
NOW ADJUST THE NEEDLE
TO
PRODUCE WIDEST ZIG ZAG STITCH. TURN-
ING
THE
HAND
WHEEL TOWARD
YOU.
OBSERVE VIBRATION (SIDEWISE
MOVEMENT'
OF
THE NEEDLE BAR. THE
NEEDLE.
BAR
ON
ITS UPWARD MOVE-
MENT SHOULD BEGIN
TO
VIBRATE WHEN THE POINT
OF
THE NEEDLE IS
NO
LESS
THAN ABOUT 3/32'' ABOVE THE THROAT PLATE AND SHOULD END
TO
VIBRATE WHEN THE NEEDLE HAS REACHED APPROXIMATELY THE SAME
POSITION
ON
ITS DOWNWARD MOVEMENT.
TO
ADJUST VIBRATION
OF
THE
NF.EDLE
BAR. LOOSEN SET SCREW
"H"
(FIG.
5)
IN VIBRATOR CAM AND
SLIGHTLY TURN THIS CAM
ON
ITS SHAFT TIGHTEN SET SCREWS AND
CHECK
FOR
RESULTS. REPEAT THIS PROCEDURE IF THE RESULTS SHOULD
NOT
BE
SETISFACTORY
14
WINDING THE BOBBIN
1,
PLACE THE BOBBIN
(3)
ON
SPINDLE
WINDER.
2,
PASS THE THREAD THROUGH THE
HOLE
(4)
OF
THE BOBBIN WINDER
THREAD GUIDE AND THROUGH THE
TENSION DISCS(5)FROM THE
REAR
3,
PULL
THEEND
OF
THE THREAD AND
WIND ITAROUND THE EMPTY BOBBIN Fig- 4
SEVEN
OR
EIGHT TIMES FROM THE BOTTOM
UP
AS
SHOWN
BY
THE ARROW IN
FIG.
4.
4,
PUSH THE BOBBIN WINDER LEVER (1)
DOWN
UNTIL
THE BOBBIN WINDER WHEEL (2) PRESSES AGAINST
THE DRIVE BELT.
5,
START THE MACHINE AND THE THREAD WILL
BE
WOUND UP
ON
THE BOBBIN. WHEN THE BOBBIN IS
FULL, IT WILL RELEASE AUTOMATICALLY
AND
STOP
TURNING.
6,
CUT
OFF
THE THREAD AND REMOVE THE BOBBIN FROM
THE SPINDLE.
7,
YOU
CAN
EASILY ADJUST THE MAXIMUM QUANTITY
OF
THREAD
TO
BE
WOUND UP
ON
THE BOBBIN BY ADJUST-
ING THE SCREW(7)WHICH CONTROLS LATCH(6).
8,
IF THE THREAD DOES
NOT
WIND EVENLY
ON
THE
BOBBIN. ADJUST THE POSITION
OF
THE BOBBIN WINDER
THREAD GUIDE(4)BY MOVING IT
TO
THE RIGHT
OR
· LEFT AFTER LOOSENING THE SCREW.
9,
LOOSEN THE TENSION
FOR
FINE
THREAD BY TURNING
THE NUT IN COUNTERCLOCKWISE DIRECTION.
Fig.
5-A
Fig.
5-B
Fig.
5-C
THREADING THE BOBBIN CASE
1,
HOLD THE BOBBIN CASE BETWEEN THE LEFT THUMB
AND FORE-FINGER AS SHOWN ABOVE. WITH ABOUT 2
INCHES -OF THREAD TRAILING, HOLD THE BOBBIN
BETWEEN THE THUMB AND FIRST TWO FINGERS
OF
THE
RIGHT
HAND
AS SHOWN IN FIG,
5A
.
2,
INSERT THE BOBBIN INTO BOBBIN CASE
AND
PULL THE
TRAILING THREAD INTO THE SLOT,
DOWN
AND
TO
THE
LEFT, UNTIL
IT
ENTERS THE GROOVED EYE UNDER THE
TENSION SPRING
FIG.
58,
5Co
.
3,
LEAD THREAD END
THROUGH
GUIDE HOLD
(H)
FIG.
6,
LOCATED AT FRONT
OF
BOBBIN CASE ABOVE HINGED
LATCH.
3