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THREAD TENSION
Nocdle
Thread Ten
s
ion
Tens ion should be as
li
ght os possible while
stil
l
s
u
fficient
to
se
t
the
s titch
correctly in
material,
{see
F
ig.
9)
.
To
regulate,
turn
thumb
nut
at
fro
nt
o
f
ten
s
ion
discs
as
shown
in F ig. 10.
Fig. 9.
EVER.LOK
Sti
tch
Reel
Thread Tension
When
tension
on
reel
thread
has
been correctly
odj
us
t ed,
the
required
stitch
moy
usuol
ly be
ob·
toined to
sui
t
the
work
in
process
thereafter
by
varying
noedle
thread tension only
.
To
regulate,
turn
adjusting
screw
shown
in
Fig
.
10 os required
,
INCR EASE
fig
.
10.
Adjusting
the Tension
SEWING
DIFFICULTIES
WHEN THREAD BREAKS
CHECK:
Is
mach ne
threaded properly?
Is needle
c:orrodly
seated
in
needle bar?
Is
needle
bent
or
burred?
Is thread s
u
itable
for needle in
use?
Is
noodle
thread
tens ion
too tight?
WHEN THREAD
SNAGS OR MACH INE SKIPS ST ITCHES
CHECK:
Is need
le
e
ye
or groove dir ty?
I
s
needle bent
or burred?
Is
need le size
correct
fo
r
operation?
Is
thrcod
suita
ble for
material
in use?
Is
reel
case
free of
thre
ad
end?
HINTS FOR
OPERATORS
WHEN OPERATING
MACH INE
Be
$ure
to depress starting
peda
l
firmly
.
Mak~
s
ure t
hat
button i
s
inserted correct
ly
in c lornp.
Make sure thot
need
le
thread
is
not
under
c lamp
at
start of
sewing cycle.
Do
not
depress
clomp
li
fting
pedal
unti
l
mach ine
goes
in
"stop'*.
Inspect
reel thread
tension
for
thread
or
I
int accumulation
.
7
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