Singer 66-18 - Page 20

18
To Regulate
the
Tensions
The
tension
on th.e neetlle
thread
shottld
be regulated
only
whert. the
presser
loot
is dorn.
Having
lo*-ered
the
presscr
foot,
turn
the
srnall thumb
nut
(Ll',
shorvtr
in
Figs. 15 and
3),
at
the flont of thc
tension
discs, over
to
titc
right
to
increase
the
tension.
To
decrease
the
tensiott,
turu
this thumb
nut
ovcr
to the
left.
l'rc. 15.
\oror.e
Tsnorn
The ten-.ion
on thc
bclb-
'r'ossros
iri,iilr;;Ji;;"e"ir1"a
lv
the
)algel
screl'
iA,
Fig.
1)
l'hich
is
ueat'est
thc
back
of the"boblrin
clse
tension
.ptilrg. To
inct'elsc
llrr'
t
onsiott,
l
urn
I lr
is
sol
o\\'
I rvol
l
r's
ll.tl
You' To decttase
tlrt.terr,si,,n.
luttr
llris
sclo\\'o\cl l'11'ln
]')u.
Whon tLc telrsioll
on tlre
hohbin t hreatl
lrr'
hc"rl
once
properll- adjusted,
it is seltlrrn
necessar'1'
to
charrg^e
it, as
i correct
stitch
can usualll--be
obtained
h1- r.ar'f ing the
tension
on the
nccdle
thrcad.
To
Regulate
Stitch
Length
The
n'rachine
is adjustable
for
stitches
fl orn
6 to
30
to
thc
inch,
a,q
indicatod
bv the
nu-
rnelals
on the
stitch
indicator
nhtte {-{.
Fis. 16).
'
Set
tho
Ievcr
(IJ, Fie. l6)
rvith
its uppel
side
in linc rvith
the
numeral
representing
the
desired
numbcl of stitches
to
tlic
inch.
For Back
Tacking,
r'aise
thc
lever
(B)
to the
upper
end
of the
indicatol
plate
(A)
markod
"Back
Tnck."
The
Frc. 16. Srrrcs
REGUL-\ToR
machine
s-ill then stitch
in a
reverse
dircction,
mak-
ing it easy
to fasten
the ends of
seams.