TO TIME
THE
LOOPER-THREAD
TAKE-UP
Double
Toke.up
Mochines 262-3,
262-23.
262.24,
262-31
ond
262-32
The
straight
edge
of
icoper
thread
take-up
(right),
shown
in
Fig.
38,
must
contact
iooper
threads
just as
loopers
are
starting
their
backward
stroke.
Looper
thread
take-up
(left)
should
be
level
with
top
of
stripper
plate, as
shown
in Fig. 38.
Loosen
set
screw
Fig. 39
In
hub
of
looper-thread
take-up
(right).
Rotate
hub
of
looper-thread
take-up
(right)
over
toward
rear
of
machine
to
time
take-up
to
contact thread sooner (FAST), or over toward front
of
mochine
to contact
thread
later
(SLOW).
Slightly
tighten set screw Fig. 39.
Loosen
the two set screws, Fig. 39
in
hub
of
looper-
thread
take-up
(left).
Rotate
hub
until
flat of
take-up
(left) is
level
with
top
of stripper plate, Fig. 38.
Looper take-up (left) can also be advanced or retard
ed to suit
sewing
conditions. Slightly tighten two set
screws.
Check the
timing
by rotating
machine
pulley over
toward operator. Re-adjust take-ups if necessary.
Securely tighten set screw right and two
set
screws
TO
ADJUST
AUXILIARY
THREAD
TAKE-UP
Auxiliary thread take-up, Fig. 40, should aid in
set
ting stitch by taking up slack of needle threads
as
needle
bar
finishes
its
downword
stroke
and
should
start
to
set
stitch
as needle thread loops are shed
from loopers.
Loosen
set
screw and
raise
or lower auxiliary thread
take-up as required. Then securely tighten
set
screw.
Desired setting for auxiliary thread take-up
may
vary with changes of thread or moterials in use.
TO
ADJUST
NEEDLE
THREAD
EYELET
Loosen the two
screws
shown in
Fig.
40 and
set
eyelet so that loopers back out of needle thread loops
with slight amount of tension on needle threads. Se
curely tighten two
screws.
TO
ADJUST
NEEDLE
THREAD
TENSION
RELEASER
Tension
releaser
must
release
tension
on
needle
threads and looper threads when presser foot is
raised.
Tension should not be even slightly released when
presser
foot is down.
Loosen
set
screw,
Fig.
41.
Turn shaft,
Fig.
41, over to left until correct
adjust
ment
is
obtained.
Securely tighten
set
screw.
SET
SCREWS
jit^
^set
screw
V'V
Fig. 39. Timing Looper Thread Take-up
(Double
Take-up
Machines)
SET
SCREW
^ NEEDLE THREAD
EYELET
x¥'T"'
TWO
SCREWS
Fig. 40. Adjusting the Auxiliary Thread Toke-up
and
Needle
Thread
Eyelet
r
SHAFT
//
SET
SCREW
1/
/•-'
Fig.
41. Adjusting
the
Needle Thread
Tension
Releaser
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