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MECHANICAL ADJUSTMENT
CAM CLAW RELEASE
IF THE PATTERN SELECTOR DIAL WILL NOT TURN OR IS CLOGGED UP,OR IF THE
WRONG PATTERN IS SELECTED, ADJUST THE CLEARANCE BETWEEN THE CAM AND
CAM CLAW AS FOLLOWS.
1. SELECT THE PATTERN" "AND SET THE STITCH WIDTH AT "O".
2. REMOVE THE FRONT COVER. (SEE PAGE 9.)
3. LOOSEN THE SETSCREW (A) AND MOVE THE ZZ CLAW PLATE WHILE PUSHING
THE RELEASE ARM AGAINST THE PATTERN SELECTOR CAM TO SET THE TIP OF
ZZ CLAW AT THE PEAK OF ZZ CAM.
4. TIGHTEN THE SETSCREW (A).
5. CHECK IF THE CLEARANCE BETWEEN THE ZZ CAM AND CAM CLAW IS 0.3MM
WHEN TURNING THE PATTERN SELCTOR DIAL (WHEN THE CLAW IS MOVING).
ZZ CLAW
0.3mm
SETSCREW(A)
PATTERN SELECTOR CAM
ZZ CAM
ZZ CLAW
PLATE
RELEAS ARM
RELEASE ARM