White 535 - Cleaning and Oiling the Shuttle

CLEANING
AND
OILING
THE
SHUTTLE
(See
Fig.
60 and
61)
The
stitch
forming
mechanism
occasionally
becomes
cogged
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.
3.
Turn
the
two
shuttle
race
cover
clamps
(B)
outward
and
remove
the
shuttle
race
cover
(C)
and
the
shuttle
body
(D).
4.
Clean
the
shuttle
race,
the
shuttle,
and
shuttle
race
cover
by removing
all threads,
lint,
etc.
When
the
cleaning
has
been
completed,
proceed
as
follows
to replace
the
shuttle
assembly:
Fig.
61
1.
Turn
the
balance
wheel
until
the
needle
reaches
its
highest
position.
2.
Place
shuttle
body,
(D),
in
race
against
shuttle
driver
and
ad 1 ust
into
position.
3.
Replace
shuttle
race
cover,
(C),
fitting
pin
at lower
edge
into
notch,
and
lock
into
position
with
shuttle
race
cover
clamps,
(B),
making
certain
the
clamps
have
been
snapped
securely
inFO
position.
4.
Put bobbin
into
bobbin
case.
5.
Put
the
bobbin
case
into
the
shuttle,
fitting
tongue
into
notch
E
of race
cover.
Fig.
60