White 1744 - Troubleshooting Sewing Problems

0
CHECKING
PERFORMANCE
PROBLEMS
WHAT
TO
DO
PROBLEM
PROBABLE
CAUSE
CORRECTION
—
Feed
dog
down.
—
Rase
feed
dog.
Fabric
fliDt
—
Machine
not
moving.
Moving
stop
moton.
moving
--
Stitch
length
dial
in
0
position.
—
Mov
ng
dial
to
1-4
—
Light
pressure
on
presser
foot.
-
Increase
piessure
on
p
s
er
foot.
--
Incorrect
setting
of
needle.
Reset
needle.
Needle
bent
Replace
new
needle
Breaking
Needle
—
Pullinj
fabric
Do
not
pull
fab
ic.
Incorrect
using
needle,
thread
and
abric__-
Correct
using
needle
thread,
and
fabr
c.
-
Incorrect
position
of
zigzag
width
dial.
—
Moving
to
correct
positiol.
—
Improper
threading
—
Rethrea
machine.
Breaking
Upper
—
Tight
upper
thread
tension
Loosen
upper
thread
tension.
Thread
—
Needle
bent.
--
Replace
new
eedle.
-
Nicks
or
burrs
on
shuttle
—
Replace
shuttle
o
p01
sh
off
burrs
comp
etely
—
Tight
bobbin
thread
ten
on
Loosen
bobb
n
thread
tension
Breadkin
Bobbin
—-
Incorrect
setting
of
need
e,
Reset
needle.
Th
ead
—
Improper
threading.
-
Rethread
mach
ne.
—
Dust
and
thread
n
shuttle
—
Clean
shuttle.
Machine
Jamming
—
No
oil
Need
o
I
Knocking
Noise
-
Dust
and
thread
in
shuttle
-
Clean
shuttle
—
Tension
too
tight.
-
Reset.
Puckering
—
Sewing
foot
pressure
too
strong.
-
Regulatin
sewing
foot
pressure.
-
Incorrec
usng
fab
ic
needle,
and
thread.
—
Correct
using
fabric,
needle
and
thread.