Gauge Parts; (Presser Foot, Needle Plate And Feed Dog); Replacing The Stopper - Brother Z-8550A Instruction Manual

11-2. Gauge parts (presser foot, needle plate and feed dog)
Notes when replacing gauge parts (Points which must be noted)

11-2-1. Replacing the stopper

If using the presser foot, needle plate and feed dog for a zigzag width of something other than 8 mm, needle breakages may
occur when the sewing machine is operating, so be sure to limit the zigzag width and replace the stopper as described
below.
Stopper
A
* Depending on specifications, some sewing machines may have a stopper for sizes other than 8 mm installed as a standard
part. In such a case, check the size by means of dimension A and the color.
<Replacing the stopper>
• If using the optional presser foot and needle plate for a zigzag width of 5 mm, replace the stopper with one for 5 mm
(black).
• If using the special-order presser foot and needle plate for a zigzag width of 3 mm, replace the stopper with one for 3 mm
(blue).
• If using the optional presser foot and needle plate for a zigzag width of 10 mm, replace the stopper with one for 10 mm
(white, A=18 mm)
Limiting the zigzag width (added function using memory switches)
If using a presser foot and needle plate for a zigzag width of something other than 8 mm, problems such as the needle bar
touching the stopper may occur if the zigzag width is set by mistake to be larger than the needle hole width of the presser foot
and needle plate.
In order to prevent operation panel setting errors such as this, change the memory switch settings to match the needle hole
width of the presser foot and needle plate.
3493M
3494M
Press for 2
seconds or
more.
(The lock will
be canceled.)
For 8 mm
(A=16.4mm)
For 5 mm
(A=13.4mm)
For 3 mm
(A=11.4mm)
For 10 mm
(A=18mm)
1388M
Memory
switch
Select memory switch No.
101.
Standard part (Installed to the sewing machine
White
at the time of purchase)
Black Accessory part
Blue Optional part
White Optional part
1. Remove the two screws (1), and then remove the stopper
plate (2).
2. Remove the stopper (3) which is inserted into the stopper
plate (2), and then install the stopper (3) which matches
the presser foot and needle plate.
3. Install the stopper plate (2) to the machine head, and
then securely tighten the two screws (1).
4. Turn on the power.
5. Set the zigzag width to the maximum width for the gauge
parts.
6. Turn the machine pulley by hand and check that the
needle does not touch any of the needle holes in the
gauge parts, and that the needle bar does not touch the
stopper (3).
3492M
Example:
zigzag
width
3495M
Set the zigzag
value to
3.0−10.0mm.
Z-8550A, 8560A
11. REPLACING PARTS
3496M 3497M
width The buzzer will
between sound for about
1 second
(Complete)
3493M
Press for 2
seconds or
more.
(Lock will be
applied.)
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