Consew 199R-1A - Centering Needle in Throat Plate; Timing the Sewing Hook

CENTERING THE NEEDLE IN THE THROAT (NEEDLE) PLATE
IF IT IS INDICATED THAT THE NEEDLE NEEDS CENTERING WITHIN THE SLOT IN THE NEEDLE OR THROAT
PLATE, SET THE MACHINE FOR STRAIGHT SEWING AND TURN HAND WHEEL TOWARD YOU UNTIL THE
NEEDLE BAR
REACHES THE LOWEST POINT OF ITS DOWNWARD STROKE. LOOSEN
SET SCREW
"C" (FIG 2) AND TURN ECCENTRIC STUD "A" (FIG. 2) UNTIL THE NEEDLE IS CENTERED
CORRECTLY. TIGHTEN
SET SCREW "C".
SET
ZIG ZAG KNOB TO WIDEST ZIG ZAG STITCH AND TURN THE HAND WHEEL TOWARD YOU AND
OBSERVE THE PASSAGE OF THE NEEDLE THROUGH THE NEEDLE (THROAT) PLATE. IT SHOULD PASS AT
ABOUT AN EQUAL DISTANCE FROM EITHER END OF THE NEEDLE SLOT WHEN MAKING THE LEFT AND
RIGHT ZIG ZAG STITCH- IF NECESSARY, READJUST THE ECCENTRIC STUD "A "(FIG. 2) AS DESCRIBED IN
THE
PREVIOUS PARAGRAPH.
TIMING THE SEWING HOOK
REMOVE PRESSER FOOT, SLIDE PLATE, THROAT (NEEDLE) PLATE AND BOBBIN CASE. REMOVE THE FEED
DOG TOO.
Fig 3
PLACE A NEW NEEDLE IN THE MACHINE AND TURN HAND WHEEL TOWARD YOU UNTIL THE NEEDLE BAR
REACHES ITS LOWEST POINT. CONTINUE TURNING AND ALLOW THE NEEDLE BAR TO RISE ABOUT 3/32"
WHILE ON ITS UPWARD STROKE. WITH NEEDLE BAR IN THIS POSITION, THE POINT OF THE SEWING HOOK
SHOULD
BEAT THE CENTER OF THE NEEDLE (FIG. 3). IF THE SEWING HOOK IS NOT TIMED CORRECTLY
LOOSEN THE THREE SET SCREWS IN ITS HUB. TURN THE HOOK ON ITS SHAFT TO ALIGN THE POINT OF
THE HOOK WITH THE CENTER OF THE NEEDLE, AS SHOWN IN FIGURE 3. TIGHTEN THE THREE SET
SCREWS.
From the library of: Superior Sewing Machine & Supply LLC