11
MECHANICAL ADJUSTMENT
NEEDLE DROP
TO CHECK:
WHEN THE NEEDLE SWINGS IN MAXIMUM ZIGZAG WIDTH, THE DISTANCE BETWEEN THE
BOTH
ENDS OF NEEDLE HOLE ON THE NEEDLE PLATE AND THE NEEDLE DROP POSITIONS
SHOULD BE EQUAL.
IF NOT, MAKE AN ADJUSTMENT AS FOLLOWS:
ADJUSTMENT PROCEDURE:
1.
REMOVE THE FACE COVER. (SEE PAGE 4.)
2.
SET THE PATTERN SELECTOR DIAL AT MAXIMUM ZIGZAG WIDTH.
3.
LOOSEN THE SET SCREW.
4.
TURN THE ECCENTRIC PIN TO ADJUST THE NEEDLE DROP.
5.
TIGHTEN THE SET SCREW.
NOTE: CHECK THE HOOK TIMING AFTER THIS ADJUSTMENT.
6.
ATTACH THE FACE COVER.
ECCENTRIC PIN
SET SCREW
BOTH CLEARANCE SHOULD BE EQUAL