Standard Adjustments; Needle Bar Height Adjustment - Brother DA-9280 Manual

10. STANDARD ADJUSTMENTS

Maintenance and inspection of the sewing machine should only be carried out by qualified personnel.
Ask your Brother dealer or a qualified electrician to carry out any maintenance and inspection of the electrical system.
Turn off the power switch and disconnect the power cord from the wall outlet at the following times.
However, the motor will keep turning even after the power is switched off as a result of the motor's inertia. Wait until the
motor stops fully before starting work.
The machine may operate if the treadle is depressed by mistake, which could result in injury.
x When carrying out inspection, adjustment and maintenance
x When replacing consumable parts such as the looper
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.

10-1. Needle bar height adjustment

1508B
1510B
1511B
CAUTION
Adjust the heights of the needles (1).
At this time, adjust so that each needle (1) is in the center of the
needle hole (3) in the needle plate (2).
1. Remove the screw (4), and then remove the presser foot (5).
2. Turn the machine pulley to drop the needle bar to its lowest
position.
3. Remove the rubber cap (6).
4. Loosen the screw (8) and adjust so that the distance
between the bottom of the needle clamp (7) and the top of
the needle plate (2) is 14.5 mm.
* Check that the distance between the points of the
needles and the top of the needle plate (2) is 13.8 mm
when the needle clamp (7) is raised to its highest
position.
5. Remove the three screws (9), and then remove the needle
plate (2).
6. Turn the machine pulley so that the needles (1) and the
needle guard (10) are aligned, and then adjust the tilt of the
needle clamp (7) so that there is no space between the left
and right needles (1) and the needle guard (10) at this time.
7. Install the needle plate (2) with the three screws (9), and
after checking that the needles (1) are in the centers of the
needle holes (3), tighten the screw (8).
1509B
8. Insert the rubber cap (6).
9. Install the presser foot (5) with the screw (4).
1512B
DA-9280
10. STANDARD ADJUSTMENTS
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