Optional Parts; Presser Bar U And Presser Bar Tip - Brother Z-8550A Instruction Manual

13. OPTIONAL PARTS

13. OPTIONAL PARTS
Installation of optional parts should only be carried
out by a qualified technician.
Turn off the power switch and disconnect the power
cord before installing any optional parts, otherwise
the machine will operate if the treadle is pressed by
mistake, which could result in injury.
If any safety devices have been removed, be
absolutely sure to re-install them to their original
positions and check that they operate correctly
before using the machine.

13-1. Presser bar U and presser bar tip

3546M
<Removal>
1. Remove the presser foot (1).
2. Remove the two screws (2), and then remove the thread take-up guard (3).
3. Remove the seven screws (4) and the screw (5), and then remove the face plate (6).
4. Loosen the nut (7), and then unscrew and remove the adjustment screw (8).
5. Remove the spring guide (9), spring (10) and washer (11).
6. Loosen the screw (12), and then remove the guide bracket (13).
7. Pull the presser bar (14) up to remove it.
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CAUTION
Never touch the knife on the face plate when
opening the thread takeup guard cover, otherwise
injury may result.
When removing the needle plate, auxiliary needle
plate and knife unit, use a screwdriver that matches
the size of the screw heads.
If a screwdriver with a size that does not match is
used, it may damage the screw heads and cause
personal injury or damage to the sewing articles.
Z-8550A, 8560A
3547M