SPECIAL
INSTRRCTIONS
FOR
MODEL
LTW-27BK
AND
LSW-27BLK
Models LTW-27BK and LSW-27BLK are specially designed as two-needle
angular seam sewing machines. Model LTW-27BK employs standard size
bobbins, while model LSWr27BLK uses large-capacity bobbins. Both models
are equipped with devices to prevent the presence of lower thread loops when
sewing seams with acute (less
than
90°) andles.
NEEDLE BAR
STOP
MECHANISM
Pushing the
needle
bar
change
over
lever
(1)—Fig.
21—to
either
position
"L"
or
"R"
will
selectively
suspend
the
reciprocating
movement
of either
one
of
the
two
individual
needle
bars.
Basically, there are two functions to this mechanism, one which causes the
needle bars to operate and stop, and the other which switches from one needle
bar
to
the
other.
Fig,
21
12
From the library of: Superior Sewing Machine & Supply LLC
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