Adjusting The Static Cutter Blade; Elna - ELNA 9900 Service Manual

Adjusting the Static Cutter Blade

Setscrew
Upper adjusting screw
0.3 to 0.5 mm
Nut
Lower adjusting screw
1. Remove the 2 setscrews and needle plate.
2. Press Init key to move the dynamic cutter blade
3. Check if there is any thrust play in the cutter drive
4. The front tip of the dynamic cutter blade should
Cutter drive shaft
5. Test auto thread cutting with polyester threads size
6. Attach the needle plate.
39
to the home position.
shaft and eliminate a play if any.
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.
#120 both in the needle and bobbin.

elna 9900