Necchi Supernova Instructions Manual page 52

g) Remove the feed lifting connecting rod No. A 26345 from the
machine. To remove the nuts, use the special tool 20-1.
Shift the eccentric No. 20026 towards the left until it rests on the
gear.
Turn the needle bar positioning lever assembly " 13 " toward the
back and the lever assembly for zig-zag width control " 17 "
completely to the right. In this manner, the small stud in the link
" 35 " of the vertical shaft " 31 " can be taken out of the lower
groove of needle bar positioning lever assembly " 13 " and this
will allow you to remove from the machine the sector No. 21 and
the roller No. 16.
Remove retaining ring " 11B " which is slipped over the pin "
15 ". To simplify this operation, use a special pull rod (see Fig.
47).
/) Loosen screw " 2 " which holds pin fixed in the arm of the
Machine. k) Take out pin " 15 ". To facilitate its removal, take
the screw
of the presser bar and screw it into the top of pin " 15 ". By
Pulling the screw by hand, the pin " 15 " comes out easily. 1)
Remove the needle bar positioning lever assembly " 13 " by
Lifting it upward toward the back of the machine.
Fig. 47
52
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