Adjusting The Static Cutter Blade - ELNA eXpressive 970 Service Manual

Adjusting the Static Cutter Blade

Setscrew
Upper adjusting screw
Nut
Lower adjusting screw
Cutter drive shaft
46
1. Remove the setscrews and needle plate.
2. Press Init key to move the dynamic cutter blade
to the home position.
3. Check if there is no play in the cutter drive shaft and
eliminate a play if any.
4. The front tip of the dynamic cutter blade should
extends 0.3 to 0.5 mm from the edge of the static
cutter blade.
If there is a gap between the edge of the static cutter
blade and the dynamic cutter blade, adjust the height
of the static cutter blade.
Loosen slightly the two setscrews and nut on the
adjusting screw. Screw in the adjusting screw until the
edge of the static cutter blade evenly touches the
upper surface of the dynamic cutter blade.
Tighten the two setscrews and nut.
5. Test auto thread cutting with polyester threads size
#120 both in the needle and bobbin.
6. Attach the needle plate.