SINGER W1744 - Manual (Page 32)

CHECKING PERFORMANCE PROBLEMS WHAT TO DO
w
o
PROBLEM
Fabric not
moving
Breaking Needle
Breaking Upper
Thread
Breadkm Bobbin
Th ead
Puckering
PROBABLE CAUSE
Machine Jamming
Knocking Noise
Feed dog down.
Machine not moving.
Stitch length dial in 0 position
Light pressure on presser foot.
Incorrect setting of needle.
Needle bent
Pulliny fabric ,
Incorrect using needle, thread and abric......
Incorrect position of zigzag width dial.
Improper threading
Tight upper thread tension
Needle bent,
Nicks
or burrs on shuttle
Tight bobbin thread ten on
Incorrect setting of need e.
Improper threading.
Dust and thread n shuttle
No oil
Dust and thread in shuttle
CORRECTION
Raise feed dog.
Moving stop motion.
Mov ng dial to 1-4.
Increase piessure on pi
Reset needle.
Replace new needle.
Do not pull fab ic.
sser foot.
Correct using needle, thread, and fabr c.
Tension too tight.
Sewing foot pressure too strong.
Incorrec us'ng fab ic needle, and thread
Moving to correct position.
Rethreai-i machine.
Loosen upper thread tension.
Replace new eedle.
Replace shuttle
o i pol sh off burrs
comp etely
Loosen bobbm thread tension
Reset needle.
Rethread mach ne.
Need o I
Clean shuttle
Reset.
Regulatin sewing foot pressure.
Correct using fabric, needle and thread.