ini Auxiliary
shaft
1. Remove the oil cap
O.
2.
Loosen
the
screw
e ,and
remove
thecutterdriving
lever shaft
O.
3. Loosen the two screws o on the cutter eccentric
wheel
O-
4. Loosenthe two
screws
O on thesub shaft gear
O.
5. Loosenthe two
screws
O on the needlezigzagcam
o
6. Loosen the two screws O on the set collar
0.
7. While pulling
out
the
sub
shaft
remove the
cutter eccentric
wheel
O with the cutter driving
lever
0 asaset,and then
remove
theauxiliaryshaft
gear O and the needle zigzagcam
O-
mi
Needle
zigzag
1. Removethe oilcap
0>
and the loosenthe screwO
on the needle zigzag lever R and the pull out the
needle zigzag F assembly
O-
2. Remove the needle zigzag spring A
O-
3. Remove the needle zigzag spring B
0.
4. Loosen the screw 0 on the reference
arm
shaft A
0 and thescrew0 onthe referencearm shaft B
0.
5. Loosen the screw o on the set collar
0,
and then
slightly pull
out
the reference
arm
shaft A 0
toward the surface plate and remove the stop ring
6. Loosen the screws0 on the set collar
0,
and then
slightly pull
out
the reference
arm
shaft B 0 and
remove the stop ring
0.
7. Remove the reference
arm
shaft A 0
and
the
referencearm sahft B0 whileturning them toward
the
rear
of
the
arm,
and
the
remove
the
needle
zigzag
0.
-18-
o
0
0
0
0
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