Singer 281-30 - NEEDLE BAR TIMING AND HEIGHT ADJUSTMENT; Setting Timing-Indicator Pin (281-22;281-24); Setting Needle Bar Height with Timing Mark

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
SETTING
THE
TIMING-INDICATOR
PIN
(MACHINES
281-22
AND
281-24)
'Set
needle
bar
at
correct
height,
as
instructed
on
page
16.
When
needle
bar
is
at
its
lowest
point
(during
ro-
tation
of
machine
pulley)
the
point
of
timing
indicator
pin
should
be
level
with
UPPER
TIMING MARK
on
needle
bar,
as
shown
in
Fig.
42.
To
adjust
indicator
pin,
loosen
set
screw,
shown
1n
Fig.
42,
in
needle
bar
frame
and
raise
or
lower
pin,
as
required.
Securely
tighten
set
screw.
l:"
_
SETTING
THE
NEEDLE
BAR
HEIGHT
L .
(Using
Upper
Timing
Mark)
When
lower
needle
bar
bushing
(or
timing-indicator
pin
on
Machines
281-22
and
281-24)
is
correctly
set
as
previously
instructed,
the
timing
marks
on
the
needle
bar
may
be
used
for
setting
and
timing
the
machine.
If
needle
bar
height
is
subsequently
dis-
turbed,
needle
bar
may
be
quickly
restored
to
its
cor-
rect
height
as
follows
- - -
MACHINES
281°22
AND
281-24:
Turn
machine
pulley
slowly
until
needle
bar
is
at
its
lowest
point.
Loosen
needle
bar
clamping
screw
shown
in
Fig.
42,
and
raise
or
tower
needle
bar,
as
required,
to
bring
UPPER
TIMING MARK
level
with
pointer
on
timing-indicator
pin,
as
shown
in
Fig.
42.
Securely
tighten
clamping
screw.
NEEDLE
FRAME
Fig.
42.
Setting
Needle
at
Correct
:ieight
on
Machines
281-22
and
281-24
UPPER
TIMING
MARK
AT
LOWEST
POINT
Fig.
43.
Setting
Need
I c
Bar
at
Correct
Height
ALL
OTHER
MACHINES:
Turn
machine
pulley
slowly
until
needle
bar
is
at
its
lowest
point.
Loosen
needle
bar
clomping
screw,
shown
in
Fig.
43,
and
raise
or
lower
needle
bar,
as
required,
to
bring
UPPER
TIMING
MARK
level
with
bottom
of
lower
needle
bar
bushing,
as
shown
in
Fig.
43.
Securely
tighten
clomping
screw.
on
all
Machines,
except
281-22
and
281-24
17