SINGER W164 - Manual (Page 20)

18
Trouble
Upper Thread
Breaking
Material
Puckering
Probable Cause |
Improperly threaded
Correction
Refer to threading instructions, see page No. 8,
and rethread machine. ________________________________
Too much tension
Loosen tension on upper thread by turning
thread tension knob to lower number.
Starting with take-up
in innonrect position.
Always start sewing with take-up lever m
highest position.
Improper setting oi
needle Refer to needle setting instruction, see page No. 6.
Bent or eye of needle
too sharp Try a new needle.
Bent or blunt needle
Discard all blunt or bent needles and replace
with new._________ _______________________ ______—
Tensions too tight
See tension adjustment, page No. 10.
Dull needle
Change needle.
Stitch length too long
Reduce stitch length.