Needle And Looper Timing Adjustment - Brother DA-9280 Instruction Manual

10. STANDARD ADJUSTMENTS

10-2. Needle and looper timing adjustment

u
w
q
2.7 - 2.9mm
Looper forward travel
16
r
y
t
i
Looper backward travel
Make an adjustment so that, when needles
w
lowest loopers
the distance from the needle center to the looper tip is 2.7
to 2.9 mm.
1. Remove the presser foot, needle plate and feed dogs
(Refer to page 15)
2. Remove the two screws
e
r
cover plate
3. Turn the pulley toward yourself until loopers
the end of their backward travel.
4. Loosen cap screw
u
on lower belt wheel
5. Turn the pulley toward yourself until needles
down to the lowest position.
6. Tighten two set screws
t
screw .
7. Loosen set screw
row direction until the distance between the needle
center and the looper tip is 2.7 to 2.9 mm, and retighten
i
set screw
8. Make sure that the looper thread eyes match the needle
eyes in the forward and backward travels of the loop-
ers.
9. Close the belt cover plate
e
screws .
10. Install the presser foot, needle plate and feed dogs.
o
DA-9280
reach the end of their backward travel and
e
, and then open the belt
.
t
, and then loosen two set screws
y
.
u
securely, and then tighten cap
i
, move looper holder
securely.
r
, and then tighten the two
q
are down
w
reach
q
come
o
in the ar-