MORE
PRESSURE
LOOSEN
LOCK
NUT
LESS
PRESSURE
Fig.
12.
Adjustment
for
Pressure
on Material
STITCH
LENGTH
To regulate
stitch
length, unscrew large
cap
from
top of machine arm and loosen the two clamping
washer
screws
shown in Fig. 13.
Rotate machine pulley away from operator approxi
mately 90
(1/4
turn) until regulating screw, shown in
Fig.
14 is
accessible.
Turn regulating
screw
for longer or shorter
stitch
as
instructed
in
Fig.
14.
Tighten clamping washer screws and replace cap.
PRESSER
BAR
HEIGHT
1.
When
presser foot
rests
firmly
on throat plate
with feed dog below throat plate-, guide bracket
should just clear lifting bracket, as
shown
in
Fig.
15.
2.
When
presser
foot is at
its
highest point and
needle
bar
at
its
lowest
point, top of
presser
foot must not
contact
needle
bar or
needle
clamp.
ADJUSTMENT: Loosen guide bracket clamp screw and
presser
bar stop screw shown in Fig. 15.
1. Position guide bracket so that it just clears
lifting bracket,
as
shown in Fig. 15. Align
presser
foot with feed dog. Tighten
guide
bracket clamp
screw.
2.
Raise
or lower
presser
bar stop so
that
it pre
vents
presser
foot from striking
needle
bar when
presser
foot is
raised.
Then
tighten
stop
screw.
CLAMPING
WASHER
SCREWS
II
Fig.
13. Clamping Washer
Screws
LONGERi
REGULATING
SCREW
J-SHORTER
'-STITCH
^
Fig. 14. Stitch Length Regulation
CLEARANCE
LIFTING
BRACKET
STOP
SCREW
CLAMP
SCREW
GUIDE
BRACKET
PRESSER
BAR
STOP
Fig. 15.
Presser
Bar Height Setting
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