SINGER W711 - Manual (Page 27)

Upper Tiiread.
Breaking
Correction
Improperly tiireaded
Refer to threading instructions see page No. 8
and rethread machine
Too mucli tension
Loosen tension on upper thread by turning
thread tension knob to lower number
Starting witli take-up
in incorrect position
Always start sewing with take-up lever in
highest position
Improper setting of
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_________________________ _______________
Material
Tensions too tight
See tension adjustment page No. 10
Puckering
Dull needle
Change needle
Stitch length too long Reduce stitch length