Presser Foot Height; Feed Dog Height - Brother Z-8550A Service Manual

9-4. Presser foot height

9-5. Feed dog height

<8550A>
<8560A>
Highest position
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
2. Loosen the nut (5) of the presser adjusting screw (6), and
3. Raise the presser foot (1) by using the lifting lever (2).
4. Loosen the screw (7) and move the presser bar (8) up
5. Tighten the screw (7).
6. Adjust the presser foot pressure using the presser
7. Install the thread take-up guard (4) with the two screws
3803M
The standard height of the feed dog (1) when it is raised as
3804M
far as possible above the surface of the needle plate is as
given below.
<8550A>
<8560A>
1. Turn the machine pulley to move the feed dog (1) to its
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
5. Tighten the screw (2).
Lowest position
3516M
Z-8550A, 8560A
take-up guard (4).
then turn the presser adjusting screw (6) so that there is
no pressure applied to the presser foot.
and down to adjust the height of the presser foot (1) to 6
mm.
adjusting screw (6), and then tighten the nut (5).
(3).
1 mm
At the front
At the back
highest position above the needle plate.
order to adjust the height.
9. ADJUSTMENTS
1.1 mm
0.9 mm
70