UPPER KNIFE TIMING
When the needle bar is at the highest position, the upper knife (D) should be also at the
highest position.
TO ADJUST
1. Remove the machine base (Refer to page 7).
2. Loosen the 2 set screws (C), then
* turn the upper knife drive cam (E) to the direction of (A) when the upper knife timing is
delayed.
* turn the upper knife drive cam (E) to the direction of (B) when the upper knife timing is
advanced.
3. Tighten the 2 set screws (C) firmly.
There should be 1 mm clearance (G) between upper knife drive cam (E) and bushing (F).
4. Turn the balance wheel toward you one cycle, and recheck the upper knife timing.
5. Attach the machine base (Refer to page 7).
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