Alfa Network 233 - Page 38

36
Trouble
Probable
Cause
Correction
Improperly
threaded
Refer
to threading
instructions
see pages
8 &
9.
and re-thread
machine
Loosen tension on upper thread by turnimg thread
Too much tension
tension
knob to lower
number.
Upper thread
Starting
with lake
up In
Always start
sewing with
take up lever in
highest
incorrect
position
position
breakingpoion
b reak in ..... ...... ......................
m
Refer to
needle
setting instructions
see page
i mproper Settirlg Of r}eetfle I
6.
Eye
of needle
too sharp
Try
a new
needle
B
uiscard alt
blunt or
bent needles
and replace
Bent
or blunt needle
with
new,
Tensions
too
tight
See
tensions
adjustment
page
11 & 12
Material
Blunt
needle
Change
needle,
Puckering
Stitch length
too lon~g Reduce
stitch length,