9. ADJUSTMENTS

9-4. Presser foot height

The standard height of the presser foot (1) is 6 mm when the presser foot (1) is raised by means of the lifting lever (2).

1. Loosen the two screws (3) and then remove the thread take-up guard (4).

2. Loosen the nut (5) of the presser adjusting screw (6), and then turn the presser adjusting screw (6) so that there is no pressure applied to the presser foot.

3. Raise the presser foot (1) by using the lifting lever (2).

4. Loosen the screw (7) and move the presser bar (8) up and down to adjust the height of the presser foot (1) to 6 mm.

5. Tighten the screw (7).

6. Adjust the presser foot pressure using the presser adjusting screw (6), and then tighten the nut (5).

7. Install the thread take-up guard (4) with the two screws

(3).

3803M

9-5. Feed dog height

3804M

<8550A><8560A>

Highest position

Lowest position

3516M

The standard height of the feed dog (1) when it is raised as far as possible above the surface of the needle plate is as given below.

<8550A>

1 mm

 

<8560A>

At the front

1.1 mm

 

At the back

0.9 mm

1.Turn the machine pulley to move the feed dog (1) to its highest position above the needle plate.

2.Tilt back the machine head.

3.Loosen the screw (2).

4.Turn the pin (3) to move the feed bar (4) up and down in order to adjust the height.

5.Tighten the screw (2).

Z-8550A, 8560A

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