White 816 Owner's Manual page 42

41
Trouble Probable Cause
Correcti on
Upper
breaking
Imprope rly threaded
Refer to threadin g instructi ons, see page 8
and rethread machine .
thread
Loosen tension on upper thread by turning
Too much tension
thread tension knob to lower number.
Starting with take up
Always start sewing with take up lever in
in incorrec t position
highest position .
Imprope r setting of
Refer to needle setting instructi ons, see page 10.
needle
Bent or eye of needle
Try a new needle.
too sharp
Discard all blunt or bent needles and replace
Bent or blunt needle
with new.
.—.—.—————
Material
Tension s too tight
See tensions adjustme nt, page 14.
puckerin g
Dull needle
Change needle.
1.
I I
Stitch length
too
long
Reduce stitch length.