Ul
Upper
clamping
foot
1.
Temporarily tighten the base
needle
plate O in
place with the four
screws
O-
2. Insert the lengthfeeddrive shaft arm O in the feed
drive shaft
arm
pivot
point
and
attach
with the
length
feed
drive shaft arm shaft
0.
3. Adjust the setcollarO so that there isno playinthe
length
feed
driveshaftarm shaft0 inthedirection
of thrust, and tighten the screw
0.
4. Temporarily tighten the length feed drive shaft arm
0 with the screw
0.
5. Insert the length feed plate 0 in the length feed
plate guide
0,
and attach it to the feed drive shaft
arm pivot point 0 with the two
screws
0 and the
washers 0
|I^
Upper
thread
cutter
1.
Attachtheupperthreadcutter
lever
0 withthetwo
bolts
0.
2. Attach the scissorsreturn spring 0 and the scissors
operating spring
0.
3. Insert the scissors push lever assembly 0 from the
side
of
the
arm,
and
attach
the
thread
take-up
lever
arm 0 to the end. Adjust the scissors push lever
assembly 0 so
that
there is no play in the direction
of the thrust, and temporarily tighten the screw 0
on the thread take-up lever arm
0.
4. Insert the upper thread cutter connecting rod 0
from
the
rear
of
the
arm
and
connect
it
to
the
upper
thread cutter connecting rod suppoort
0.
-28-
0
0^0
0
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