Singer 251-2 - Setting Presser Bar Height

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
20
TO
SET
THE
PRESSER
BAR
AT
THE
CORRECT
HEIGHT
PREPARATION:
FOOT
RESTING
FIRMLY
UPON
THROAT
PLATE
_,,>/
Fig.
32.
Checking
Height
of
Presser
Bar
£21555
Remove
face
plate
and
slide
plate.
CHECK:
l.
When
presser
foot
rests
firmly
upon
throat
plate
(with
feed
dog
below
throat
plate)
there
should
still
be
some
clearance
between
guide
bracket
D, Figs.
32
and
32A
and
lifting
bracket
E,
as
shown
in
Figs
32
and
32A.
2.
When
presser
foot
is
at
its
highest
point
and
needle
bar
is
at
its
lowest,
top
of
presser
foot
should
clear
lower
end
of
needle
bar,
as
shown
in
Fig.
33.
Fig.
32A.
Required
Clearance
on
Machines
with
Latest
Type
Lifting
Bracket
;;ii
~
!
~-"tr.,~
,--~
SETTING:
ti
AT
AT
i
~
1
LOWEST
HIGHEST
~f
POINT
POINT
-
0
JUST
. CLEAR
Fig.
33.
Setting
Presser
Bar
at
Correct
Height
:.27556
Loosen
clamping
screw
F,
Figs.
32
and
32A.
Raise
or
lower
guide
bracket
D,
as
required.
Securely
tighten
screw
F.
CAUTION:
Whenever
guide
bracket
has
been
moved
on
presser
bar,
inspect
the
check
spring
for
correct
setting,
as
instructed
on
page
19.