Feed Dog Height Adjustment; Thread Release Lever Adjustment - Brother DA-9280 Instruction Manual

10. STANDARD ADJUSTMENTS

10-5. Feed dog height adjustment

1.2mm
q
1.2mm
q
w
e

10-6. Thread release lever adjustment

w
18
Becomes
heigher
Becomes
lower
w
Feed dog
Needle plate
q
e
7 - 9mm
Make an adjustment so that the highest part of the feed dog
will be 1.2 mm above the top surface of the needle plate
q
when feed dog is at the highest position.
Adjust the height of feed dog
w
tric shaft .
Installing the Spacer
(For the denim specifications)
If stitch irregularities develop in sewing very heavy mate-
rials, adjust the sub-feed dog to the correct height by
spacer.
1. Remove set screws
2. Place the spacer
q
set screws .
* The spacer is in the parts box.
Adjust so that the center of the thread release lever thread
hole is 7 - 8 mm above the center of the thread hole in the
upper thread tension bracket when the needle bar is at its
lowest position.
1. Turn the pulley until the needle bar is down at the low-
est position.
2. Loosen the screw
w
lever up or down to adjust so that the center of the
thread release lever thread hole is 7 - 9 mm above the
center of the thread hole
bracket.
3. Retighten set screw
* The higher the thread release lever, the tighter will be
the stitches.
DA-9280
q
by turning feed bar eccen-
q w
and sub-feed dog
e w
under sub-feed dog and retighten
q
and than move the thread release
e
in the upper thread tension
q
.
.