Singer 281-30 - TENSION RELEASER AND FEED WHEEL SERVICE; Adjusting Needle Thread Tension Releaser; Changing the Feed Wheel (Machine 281-23); Changing Upper Feed Roller (Machine 281-30)

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ADJUSTING
NEEDLE
THREAD
TENSION
RELEASER
(MACHINES~~
AND 281-23)
2.BJ-.30
Fig.
63.
Adjusting
Tension
Releaser
on
Machines
~8~2trtmd
281-24
2e1.~_3o
Needle
thread
tension
releaser
should
release
tension
whenever
presser
foot
is
raised
to
its
highest
position.
If
tension
1s
not
FULLY
released
when
presser
foot
is
raised
or
is
partially
released
when
presser
foot
is
down:
- - -
Loosen
clomping
screw
on
lifting
guide
shown
in
Fig.
63,
and
raise
guide
high
enough
to
obtain
access
to
tension
releaser
screw.
Loosen
tension
releaser
screw
and
RAISE,
releaser
bracket
to
release
tension
LATER,
or
LOWER
releaser
bracket
to
release
tension
SOONER.
Securely
tighten
tension
releaser
screw.
Make
certain
that
feed
wheel
is
aligned
with
feed
dog
as
shown
in
Fig.64
and
that
there
is
no
bind
in
upper
feed
assembly.
Then,
securely
tighten
lifting
guide
clamping
screw.
1.
TO CHAHGE
FEED
WHEEL (MACHINE 281-23)
L
..
__
Fig.
64.
Changing
the
Feed
Wheel on
Machine
281-23
Remove
the
two
cover
screws
and
gear
cover,
shown
in
Fig.
64.
Loosen
two
spur-gear
set
screws
and
remove
spur·
gear.
Withdraw
feed
wheel
with
its
shaft
from
feed
wheel
bracket.
Place
required
feed
wheel
on
bracket.
Replace
spur-gear,
so
that
its
screws
will
bear
on
"flats"
on
shaft.
Feed
wheel
may
be
moved
slightly
toward
or
away
from
needle
to
suit
sewing
conditions.
Then
securely
tighten
spur-gear
set
screws
and
replace
position
bracket
and
gear,
fastening
them
to
feed
wheel
bracket
with
two
screws,
as
shown
in
Fig.
64.
TO
CHANGE
UPPER FEED
ROLLER
(MACHINE
281-30)
(see
temporary
parts
list)
Remove
face
plate.
Remove
Retaining
Ring
13288
on
upper
Connecting
Stud
149280.
Slide
out
upper
Connecting
Stud
149280.
Remove
Retaining
Ring
149286
on
Feed
Roller
Shaft
149293.
Remove
Feed
Roller
Shaft
and
Connecting
Link
149279.
Feed
Roller
will
drop
from
bracket.
24.
Place
required
Feed
Roller
in
upper
Roller
Bracket.
Lettering
on
Feed
Roller
Clutch
must
be
on
the
operator's
left
side
for
proper
feeding
direction.
Install
Feed
Roller
Shaft
149293
and
Connecting
Link
149279.
Replace
upper
Connecting
Stud
149280.
Replace
Retaining
Ring
13288
on
Stud.
Replace
Retaining
Ring
149286
on
Feed
Roller
Shaft.
Replace
Face
Plate.
Check
setting
of
upper
Feed
Roller
at
correct
height
(see
Page
25).
Adjust
if
necessary.
)