Cleaning and oiling the shuttle – SINGER W7911 User Manual
Page 16
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Before oiling the upper part of the sewing unit at points indicated by arrows in Fig. 22
turn hand wheel toward you until the take-up lever is at its low'est point.
Avoid over-oiling-only a drop is needed at each point.
To oil parts under the bed of the machine, tip the unit back on its hinges and apply a
drop of oil at each point indicated in Fig. 23.
HOW TO REPLACE LIGHT BULB
Pull
light
bracket
down
by
hooking
index
finger
tip
on
curved
piece
under
light
bulb.
Unscrew
bulb
and
replace
with
bulb
of
same
size,
which
is
available
from
your
sewing
machine dealer.
CLEANING AND OILING THE SHUTTLE
(See Fig. 24 and 25)
The
stitch
forming
mechanism
occasionally
becomes
clogged
with
loose
threads
and
lint.
This
will
interfere
with
the
efficient
operation
of
the
machine.
Cleaning
and removal of the lint will safeguard the performance.
To remove the shuttle assembly, proceed as follows;
1. Turn the balance wheel until the needle reaches its
highest position. Tilt head back on its hinges.
2.
Remove bobbin case (A), Fig. 24.
3.
Turn the two shuttle race cover clamps (B) downward
and remove the shuttle race cover (C) and shuttle
body (D).
Fig. 24