40
Insert the presser bar
into the presser foot by pushing to the
end and fix it by tightening the presser foot clamp screw .
(Refer to the Figure 69)
Check that the presser foot does move smoothly up and
down not to move left and right. If not, loosen the presser
foot guide clamp screw
and fix it after resetting the presser
foot guide .
Attach the knife holder shaft support bar to the knife holder
bracket
with attention to the direction. Fix it by tightening
the knife holder shaft support bar clamp screw . (Refer to
the Figure 65)
Adjust the knife holder guide and the knife (upper) position
when the needle bar is at the lowest point. (Refer to the “7-
11) BLADE EXCHANGE AND ADJUSTMENT”)
When the needle bar is at the lowest point and the presser
foot is closest to the needle plate, insert the presser bar
pressure adjusting spring
and adjust the presser bar
pressure with the presser bar adjusting screw
by referring
to the “6-6) PRESSER FOOT PRESSURE ADJUSTMENT”.
Then tighten the presser bar connection bracket clamp screw
by pressing the presser bar connection bracket slightly and
fix it.
Close the rubber cap .
Insert the needle into the needle holder.
Loosen the presser foot spring plate A clamp screw .
Remove the presser foot spring plate A
from the presser
foot.
Remove the presser foot spring plate A
from the spring
plate holder .
Insert the each replacement presser foot spring plate A
into
the spring plate holder .
Insert the presser foot spring plate A
into the presser foot
in parallel.
Fix by tightening the presser foot spring plate A clamp
screw .
10) EXCHANGE OF PRESSER FOOT SPRING PLATE A
