Singer 281-5 - The Face Plate; Positioning Needle Correctly in Needle Hole; Setting the Trimming Margin

THE FACE PLATE (MACHINE 281-5)
TRIMMER
RELEASE
LEVER
% •
\*
Fig. 35. Removing the Face Plate
(Machine 281-5)
KNIFE
BAR
CRANK
POSITIONING NEEDLE CORRECTLY
IN NEEDLE HOLE OF THROAT PLATE
CUTTING BAR (MACHINE 281-5)
The specialized face plate on machine 281-5 re
quires a small amount of manipulation to be safely
removed and replaced.When correctly placed the trim
mer release lever is hooked under the knife bar crank
shown in Fig. 35.
Face plate may be removed by loosening its four
screws and gently pulling face plate outward to sepa
rate gasket from casting. Then draw face plate down
ward to
disengage release lever from knife bar crank
shown in Fig. 35.
Replace face plate with an upward motion so that
release lever is engaged beneath knife bar crank.
Make certain that screw holes in gasket align with
their respective screw holes in face plate. Securely
tighten the four face plate screws.
SETTING THE TRIMMING MARGIN
(MACHINE 281-5)
Turn machine pulley until needle point rises just The distance from the trimmed edge to the line of
above needle hole in throat plate cutting bar.
Loosen
the two screws B, Fig. 36 and locate throat
plate so that needle will rise and fall in center of
needle hole in throat plate cutting bar.
Tighten the two screws B.
CUTTING
BAR V
THROAT
PLATE^
SLIDE SCREW
UPPER
KNIFE
Fig. 36. Needle Location in Throat Plate
Cutting Bar (Machine 281-5)
stitching is determined by the throat plate cutting bar
used. Each throat plate cutting bar is designed for
but one trimming margin. (See "DESCRIPTION" on
page 3.)
The trimming margin is measured from the center
of the needle hole to the cutting edge of the throat
plate cutting bar.
To
change trimming margin: Loosen slide screw
and move throat plate slide, shown in Fig. 36, toward
the right. Remove two screws A, Fig. 36 and presser
foot screw. Change throat plate cutting bar and presser
foot as required, fastening cutting bar with two screws
A. Return throat plate slide to its normal position
(toward the left against cutting bar) and tighten slide
After changing trimmer parts, always check knife
adjustment, as instructed on page 15.
From the library of: Superior Sewing Machine & Supply LLC