TO
TIME
THE
LOOPEft-THREAD
TAKE-UP
Double
Toke.up
Machines
262-3.
262-23, 262-24,
262-31
and
262-32
The straight
edge
of
looper
thread
take-up
(right),
shown
in
Fig. 38,
must
contact
looper
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
machine
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
downward
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 materials 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 threod loops
with slight amount of tension on needle threads. Se
curely
tighten
two
screws.
TO
ADJUST
NEEDLE
THREAD
TENSION
RELEASERi
Tension
releoser
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
ad|ust-
ment
is
obtained.
Securely tighten
set
screw.
SET
SCREW
SET
SCREWS
slow
Fig. 39. Timing Looper Thread Take-up
(Double Toke-up Machines)
iO\\
SET
SCREW
NEEDLE
THREAD
EYELET
TWO
SCREWS
Fig. 40. Adjusting the Auxiliary Thread Take-up
and
Needle
Thread
Eyelet
SHAFT
SET
SCREW
Fig.
41. Adjusting
the
Needle Thread Tension
Releoser
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