Ul
Lower
thread
cutter
©
1. Remove the
stud
screw
O.
2.
Lower
the
machine
below
the
bed.
3. Loosen the screw O pull out the cam shaft
O,
and then remove the lower thread cutter cam O ^nd the
lower thread cutter link 0 as a set.
4. Loosenthe screw
O,
lowerthe lowerthread cutter lever
O,
and pull out the lowerthread cutter leverpin
0.
5. Loosen the bolt 0 and the set collar screw
and
while pulling out the lower thread cutterlever
0,
remove the
lower thread cam lever the lower thread cam lever spring
0,
and the set collar
0.
H]
Presser
1. Remove the screw 0 and the needle 0
2. Remove the screw 0 and the cutter
0.
3. Remove the two screws 0 and the upper thread
cutter lever B
0.
4. Remove the presser adjusting screw
0.
5. Remove the two screws 0 and the presser guide
plate
0.
6. Loosen the screw
0.
7. Loosen the screw 0 on the presser roller unit
0.
8. Whilepullingout the presser bar 0 and the presser
spring 0 from the top of the arm, remove the
presser roller unit
0.
I 0
II
Y r 1
@^
^
\—0
-—©
0-\
f
0—\\l
0
0—
1
1
j
-0
-0
0^
-12-
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