White 4075 - Page 61

.Sec.tott
7
trouble
is
still
acoarent
in
the
machine,
please
consult
your
nearest
dealer.
.ct
try
to
correct
auIt
by
ycurselt.
PROBLEM
-
PROBABLE
CAUSE
CORRECTION
The
matehal
puckers
Upper
or
lower
thread
tension
too
tight
P.16,
P.57
Stitch
too long
for
material
P.26
Thread
too
thick
P.24
Incorrect
threading
of upper
or
lower
thread
P.7,
P.20
Breaking
needle
Needle
not
correctly
inserted
P.22
Needle
bent
,
P.22
Needle
clamp
screw
too
loose
P.22
Upper
thread
tension
too
tight
P.16
Needle
too
tine
for
the
material
P.24
Dials
have
been
changed
while
the
needle
was
down
in
the
P.26
material