Resting firmly upon throat plate, At a highest point î . at lowest pbint just clear – SINGER 251 User Manual
Page 20
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2 0
TO SET THE PRESSER BAR AT THE CORRECT HEIGHT
RESTING
FIRMLY
UPON
THROAT
PLATE
E27555
Fig. 32. Checking Height of
Presser Bar
Fig. 32A. Required Clearance on Machines
with Latest Type Lifting Bracket
AT A
HIGHEST
POINT Î
. AT
LOWEST
PbiNT
JUST
CLEAR
E27SSÔ
Fig. 33. Setting Presser Bar
at Correct Height
PREPARATION:
Remove face plate and slide plate.
CHECK:
1.
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.
SETTING:
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.