CONTENTS
Introducing the New SINGER Sewing Machine Model 120U 1
Oiling the Machine 2
Needles
Thread
Inserting the Needle 4
Threading the Machine 5
Removing the Bobbin Case and Bobbin 6
Winding the Bobbin 7
Threading the Bobbin Case 8
Replacing the Bobbin Case 8
Preparing to Sew 9
Sewing 9
Setting
Adjusting Presser
Thread
Tensions 10
Foot
Pressure 11
Adjusting Stitch Length 11
Machine
Pin
Cushion
12
Hints for Perfect Operation 12
3
3
Copyright © 1972 THE SINGER COMPANY
Ail
Rights
Reserved
Throughout
the
World
SINGER
Introducing
The
most
machine
the
New
dependable,
will
produce
SINGER*
lightest
top
quality
Sewing Machine Model
running
machine
of
straight-line single-needle
120U
its
!
kind.
lock
This
stitch
ing in fabrics as fine as ladies' lingerie or as heavy as men's overcoating.
This machine can reach speeds up
With an oil reservoir, a
requiring
easily
oil
are
kept
througha"window"
pump
constantly
on
Quiet and smooth in operation, the Model 120U was designed for
comfort,
you.
making sewing
more
pleasant, quicker
to
5000
andaminimum
lubricated.
arm
top
cover.
- i -
revolutions
of
wicking, all
Oil
flow
and
more
per
minute.
parts
canbechecked
your
profitable to
OILING
Oil
your
C"
Oil.
minimum
THE
machine!
"TYPE
staining
MACHINE
For
C"
Oilisused
of
best
results, use
whenanoilisdesired
fabrics even
TIP
MACHINE
SINGER*"TYPE
after
a long
BACK
which
period
A"or
will
of
"TYPE
produce
storage.
NEVER
ALLOW
Fig.
2
Tip
machine back on its hinges and fill the oil reservoir as illustrated in
BELOW
LOW
OILTOFALL
MARK
FILLTOHIGH
MARK
Fig. 2.
Whenamachine
is NEW
or
has
been
idle for several weeks,itis
advisable to remove the face plate and oil the needle bar and take-up
bearings.
CAUTION:
Fig. 3
Correct
SHOULD
STEADY
lubricationisindicated
oil passing
SHOW
OIL
FLOW
while
in Fig. 3.
Should
STOP
reservoir
At
the
allow
LOW
byacontinuous
the
oil flow
stream
window
machineisrunning,asshown
this
oil
flow
become
the
least
oil
mark,
level
the
machine
oil
twice
oil
shown
level.
in
each
the
level
and
check
Fillifneeded.
month,
reservoir.
to
drop
in Fig. 2.
of
erratic,
the
check
Never
below
-2-
NEEDLES
The
needles
and appearance
you
use
haveaveiy
of
the stitching produced by your machine. This is
why it isso important to use
ing
chart.
directeffect on the quality, strength
SINGER
needles according to the
NEEDLES
follow
CLASS
MACHINE
120U3
I20U13
A
bent
needle will cause
CAT.
1361
1315
2254
2270
NO.
VARIETY
16x231
16x257
your
from a desired sewing direction.
hookorburr
A
may
cut
the
THREAD
In
the
Class
rightorleft
thread
by
tighter,
the
twist,
right
the
threadisright
on the needle
material.
120U,
twist
hold
hand
use
thread
the
threadasshown
over
threadisleft
twist.
ONLY
can
be
toward
twist;ifthe
and
SIZES
8,
88x9
88
X 1
9,10,11,12,13,14,16,
18,
19,
20,21
16, 18, 19,
8,
9,10,
18, 19,
20,21,22,
and
21,22and
11,12,13,14,16,
22
23
23
and
17,
17,
24
machinetoskip stitches and drift away
point
will result in a blurred finish and
left
twist
usedinthe
below.
you—if
the
strands
threadinthe
bobbin.
Then
strandsofthe
unwindorseparate,
To
roll
needle.
determine
the
thread
thread
Either
the
held
wind
the
Fig.
HOLD
THIS
END
ROLL
OVER
TOWARD
4
-s-
YOU