Singer 211U157 - Page 15

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
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BOBBIN
CASE
HOOK
GIB
SCREWS
HOOK
GIB
SOCKET
SCREWS
I
GASKET
Fig.
30
BALL
BEARING
RETAINER
SCREWS
-~~~---
---
r
'
~-
r,
j·
, -
L__jl
'',
~-)1
Jc
~I
HOOK
SHAFT
Fig.
31
V
E:_
\
,;1h_.-
_-~
:~
h./
0
/
~'
1
- '
GASKET
COVER
PLATE
SOCKET
SCREWS
COVER
PLATE
Fig.
32
REMOVING
BOBBIN CASE
FROM
SEWING
HOOK
Remove
hook
gib screws,
indicated
in Fig.
30,
from
sew-
ing
hook.
Lift
off
hook
gib and remove
bobbin
case.
REMOVING
SEWING
HOOK
FROM
MACHINE
Remove presser
foot,
throat
plate
and feed dog. Loosen
hook
hub socket screws
shown
in Fig. 30.
Lift
hook
off
end
of
shaft.
-
14
-
REMOVING
HOOK
SHAFT
To
remove
hook
shaft,
first
remove ball bearing
retainer
screws
directly
under
hook
shown
in Fig. 31.
Tip
machine
back and loosen
hook
shaft gear hub socket screws shown
in
Fig_
32.
Lih
out
shaft
from
top
end.
If
shaft does
not
lift
out
easily, loosen screws in cover plate
of
hook
saddle
Just enough, at
first,
to
permit
the
oil
to
drain
out.
Then
remove cover
plate
completely,
being careful
not
to damage
the gasket Tap the end
of
hook
shaft