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❶
Stoke is
increased
Stroke is
decreased
❶
❷
❸
❶
Handwheel
❶ Push and turn the Hand pulley to turn the main shaft.
❷ Red marker dot (A) is in the front side: It is used as the marker dot
❷
A
Upper position:
Stroke is 1.8 to 3.5
mm
Lower position:
Stroke is 3.5 to 5
mm
CAUTION
Keep hand away from the handwheel while the sewing machine is
running.
at the time of lubricating.
– 12 –
Adjusting the presser foot stroke
It is possible to adjust the presser foot
stroke.
Remove presser regulator cover.
Loosen nut ❶ . Shift block ❷ upward
to increase the stroke, or downward to
decrease it.
To increase the stroke more, change the
position of setscrew ❸ of the link arm to
the lower position (stroke: 3.5 to 5 mm).
The setscrew has been factory-set at
the upper position (stroke: 1.8 to 3.5
mm) at the time of shipment.
After the completion of the adjustment,
install the presser regulator cover which
you have removed before the adjust-
ment.
CAUTION
When the stroke is changed, the
clearance between the presser foot and
the throat plate will change. Re-adjust
the presser foot height to a value
which matches the material thickness.
CAUTION
Turn OFF the power switch.
Always must be disconnected plug
from socket-outlet.
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