4. ADJUSTMENT
HE-800A
87
4-12. Adjusting the cutter installation position
Adjust so that the upper thread scissors (2) and the cutter (1) do not touch when the cutter (1) is pushed down by
hand.
If the upper thread scissors (2) extends below the cutter (1), pull the stop plate (3) forward and move the upper
thread scissors (2) to the left. (Fig. A
→
Fig. B)
1. Loosen the screw (5), and adjust the cutter Y direction using cutter holder DL (6) so that the clearance between
the needle bar (4) and the cutter (1) is 0.3 mm.
Note:
When replacing the cutter, be careful not to allow the cutter to touch the needle bar because of any play
in the cutter installation position.
2. Loosen the two bolts (7) and adjust the cutter X direction using cutter holder M (8) so that the cutter (1) goes
into the center of the cutter groove.
3. Loosen the bolt (9) and move the cutter holder (10) to adjust the direction of rotation.
4. Check that the edge of the cutter holder (10) is touching the stepped section of the cutter driving shaft (11), and
then tighten the bolt (9).
5. After adjusting, push the upper thread scissors (2) back to its original position (Fig. A).
4303Q
4302Q
Fig. A
Fig. B
Push
Pulled forward
4306Q
4305Q
4304Q
Cutter groove
Touching
