SINGER 251 User Manual
Page 36
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36
TO REMOVE AND REPLACE ARM SIDE SHIELD WICK, NEEDLE BAR WICK
AND NEEDLE BAR CONNECTING STUD WICK
(See Fig. 54)
Arm side
shield wick
may
be remdved, after re
moving face plate and two screws U3. Lift arm side
shield V3 up and out of machine.
When
replacing
arm
side
shield
wick,
make
sure
that lower end of wick drops into oil pool beneath
needle bar crank and that the two upper wick loops
are located as close as possible to the needle bearings
at F3, Fig. 55 without touching them. Then replace and
securely tighten screws U3.
To
remove
needle
bar
wick
and
connecting
stud
wick, move take-up lever H3, so that it does not inter
fere with removal of oil guard W2. Then remove face
plate and screw R2; lift take-up oil guard W2, with
the two wicks, up and out of machine.
When
replacing
the
oil
guard
W2,
which
carries
the needle bar wick and connecting stud wick, make
sure that lower end of the stud wick drops into oil
pool behind lower needle bar bushing and that the
loop of needle bar wick is placed behind the needle
bar, as shown in Fig. 54.
Fig. 54. Arm Side Shield Wick,
Needle Bcir Wick and Connecting
Stud Wick
TO REMOVE OIL WICK HOLDER
(See Fig. 55)
Oil wick holder includes two oil wick leaders (see
Fig. 56) and an oil wick for the needle bar link and for
the two sets of needle bearings in the thread take-up
as shown in Fig. 55. It is removed in the following
manner:—
Remove face plate, needle bar and upper needle
bar bushing from the machine, as instructed on
page 33.
2.
Remove upper section
structed on page 33.
of presser bar, as in-
3.
Remove holder screw W3.
Pulling
gently,
draw
entire
oil
wick
holder
as
sembly out of the head of the machine.
Fig. 55. Wick Loops for Needle
Bar Link and Thread Take-up