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THREAD STRIPPING
AND
RETRACTING ADJUSTMENTS
FINGER
PLATE FOLLOWER
CHECK
:
The
finger
plate follower
shown
in
fig.
43
shou
ld
actuate the
s
tripper finger
spring when the
knife
roller
has
rotated
in
the
cam
path to
positi
on shown
(
see
F
ig.
44).
SETTING:
L oosen the
two
set
screws
shown
in
Fig.
43
and
position
the
fing
er plate so
that the
fo
ll
ower
CON-
TACTS BUT DOES HOT DEFLECT the
stripper
f inger.
Then s
ecurely
t
ighten
t
wo
set
screws.
......
,"'"'
Fig.
43.
Setting the
Finger Plate
Follower
Fig,
44.
Knife
Rollor
in
Com Poth
RETRACTING
GUIDE PLATE
Fig.
45.
Setting the Retracting
Finger
25
STRIPPER FINGER
CHECK:
The stripper
finger
should
strip
unused
t hread
from
ree
l
and
is controlled
by
1he
kn
i
fe roller
(see
Figs.
43 and
44).
The
s tripp-er finger
should
start
its
return
imme-
diately after
i
•
picks
up reel thread
and
the complete
ret
raction
of stripper
finger should
be
o~complished
with
in
1/
8 revolution of hook.
SETTING:
Loosen lock nut on
knife
roller
as
shown
in F
ig.
44.
Adjust position
of
stud
~o
thot
stripper
finger
starts its return
as
soon
as thread
is
picked
up.
Then
tighten lock
nut
securely.
NOTE: Check movement
to
11oke
sure
that
stripper
finger
does
not
interfere
with
needle
thread on
pre.
vious
stitch. Stripper finger
should extend
far
enough
to
pi
c<
up
reel thread but not
so for
as
to
pick
up
needle
thread .
RETRACTING FINGER
CHECK:
T
he
retracting
f
inger
shown
in
Fig.
45
should
be
in
line
with edge
of
guide plate
(on
underside of
throat plate)
and
shou
ld
pick up
reel thread
o
s
stripper
finger carries it
by
.
SETTING:
Loosen
retracting finger
set screw s
hown
in
Fig.
45
a
nd
move the
retracting
fi nge
r
as
requi re
d
to
pick
u
p
reel
thread.
Securely
tighten
set screw.
TENSION
RELEASE
CHECK
:
The need
le
thread
tension
release
{ad
justed
ear·
lier) may hove
altered
during subsequent
adjustments
i
n it
s
re
lation to
oth
er
movemen
t$
o
f
machine.
Check
tension re lease to
make sure
that
proper
odjust
ment
has
been
retoi ned.
Tens
ion
re leose
s hould
occur
as
t
hread
clamping
o
c
t
ion
begins.
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