White 3032 - Checking Performance Problems and Troubleshooting

CHECKING PERFORMANCE PROBLEMS - TROUBLESHOOTING
Problem Probable
cause
What
to do
- Feed
dog
down - Raise feed
dog
Fabric does not - Stitch length dial in ‘0” position - Set dial between 1 and 4
move - Light presser foot pressure - Increase pressure
- Machine not moving - Moving
stop
motion
- Incorrect insertion of needle - Re-insert needle
- Bent needle - Replace needle
Breaking needle - Fabric is being pulled - Do not pull
fabric
- Needle,
thread and fabric do - Use correct
needle
and
thread
not match
- Faulty
adjustment
of
zigzag
- Re-adjust zigzag width
width
Breaking upper
- Improper threading - Re-thread machine
thread - Tight upper thread
tension - Reduce upper thread tension
- Bent needle - Replace needle
- Scratches or
nicks on shuttle - Polish or replace shuttle
- Tied bobbin thread tension - Reduce bobbin thread tension
Breaking bobbin - Incorrect insertion of needle - Re-insert needle
thread - Improper threading - Rethread machine
- Lint or
thread in shuttle - Clean shuttle
- Excessive tension - Re-adjust tension
- Presser foot
pressure
too
- Change pressure accordingly
strong
Machine
-
Needle, thread and fabric
do
- Choose
proper needle and
jamming
not match
thread according to type of
fabric
- No
oil - Need oil
- Tension
too
tight - Reset
- Sewing foot pressure too - Regulating sewing foot
pressure
Puckering
strong
- Incorrect fabric, needle,
- Use
correct fabric,
needle
and thread and thread
- 35 -