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NEEDLE IN STRAIGHT STICH SEWING
TO CHECK:
IF THE NEEDLE SWINGS WHEN RUNNING THE MACHINE WITH ZIGZAG STITCH ( )
AT WIDTH "0", CORRECT IT AS FOLLOWS:
AT THE STRAIGHT STITCH SEWING, ADJUST IT AS FOLLOWS:
1. SET THE PATTERN SELECTOR DIAL AT ( ) AND STITCH WIDTH CONTROL AT (0).
2. REMOVE THE FRONT COVER UNIT (SEE PAGE 6).
3. LOOSEN THE SETSCREW.
4. TURN THE HANDWHEEL TOWARD YOU TO RAISE THE CAM FOLLOWER ON THE
CONVEX OF THE ZIGZAG CAM AND BUTT THE RELEASING ARM AGAINST THE
ZIGZAG WIDTH ADJUSTING CAM.
5. IN THIS CONDITION, ADJUST THE ZIGZAG WIDTH LINK SO THAT THERE IS NO PLAY
IN BOTH CAM FOLLOWER AND RELEASING ARM, AND THEN TIGHTEN THE
SETSCREW.
* AFTER THE ADJUSTMENT, CHECK THE FOLLOWINGS:
MAKE SURE THE NEEDLE DOES NOT SWING AT STRAIGHT STITCH SEWING.
WHEN THE NEEDLE SWINGS IN MAXIMUM ZIGZAG WIDTH, THE DISTANCE BETWEEN
BOTH ENDS OF THE NEEDLE HOLE ON THENEEDLE PLATE AND THE NEEDLE DROP
POSITION SHOUKD BE EQUAL AND NOT LESS THAN 0.2MM.
6. ATTACH THE FRONT COVER.
MECHANICAL ADJUSTMENT
SETSCREW
ZIGZAG CAM
RELEASING ARM
ZIGZAG WIDTH
ADJUSTING CAM
BOTH CLEARANCE SHOULD BE EQUAL
CAM FOLLOWER
RELEASING ARM
ZIGZAG WIDTH
ADJUSTING CAM
ZIGZAG WIDTH
ADJUSTING ARM
ZIGZAG WIDTH
ADJUSTING LINK
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