19
MECHANICAL ADJUSTMENT
NEEDLE BAR HEIGHT
MACHINE SETTING
1.
STITCH SELECTOR:
“ ”
WIDTH SELECTOR DIAL “ 0 ”
TO CHECK:
1.
OPEN THE SHUTTLE COVER.
2.
REPLACE THE NEEDLE WITH THE TEST PIN #68368 (A).
3.
REMOVE THE SHUTTLE HOOK, AND INSERT THE RADIAL TIMING GAUGE #68366 (B)
ONTO THE SHUTTLE DRIVER.
4.
TURN THE HANDWHEEL TOWARD YOU BY HAND UNTIL THE NEEDLE BAR
REACHES ITS LOWEST POSITION.
5.
THE TIP OF THE TEST PIN #68368 (A) SHOULD BE IN BETWEEN THE TWO
HORIZONTAL LINES ENGRAVED ON THE RADIAL TIMING GAUGE #68366 (B).
ADJUSTMENT PROCEDURE:
1.
LOOSEN THE SCREW (C) OF THE NEEDLE BAR HOLDER (D).
2.
MOVE THE NEEDLE BAR (E) UP OR DOWN BY HAND UNTIL THE TIP OF THE TEST
PIN #68368 (A) COMES IN BETWEEN THE TWO HORIZONTAL PARALLEL LINES ON
THE RADIAL TIMING GAUGE #68366 (B).
3.
TIGHTEN THE SCREW (C) SECURELY.
SOURS 385
FRONT
(B) #68366
THIS END OF THE
SHUTTLE HOOK
DRIVER SHOULD
TOUCH THE GAUGE
(A) #68368
(C)
(D)
(E)
