Necchi Automatic Supernova Ultra Mark 2 - 15. To Change the Position of Multiple Needle Plate

Light does not go on
- Line has no current (check fuses
and master switch)
- Plug is not well inserted in its
receptacle
-
Filament of bulb is broken
- Voltage tap-changer and/or four-
way plug are not well inserted
Light is too bright or too dim
- Control the position of the volt-
age tap-changer
Although light is on, motor fails
to turn.
- The four-way plug is not well
inserted in its receptacle
- See the reasons mentioned under
para.: « Heavy turning or jam-
ming of machine ».
In case you cannot find or adjust
the trouble, call for a mechanic at
your local NECCHI dealer.
Motor turns too rapidly
- Check whether voltage tap-chan -
ger is correctly set
Motor turns too slowly
- A piece of thread is caught in
shuttle race
- Motor belt is too tight
- Machine is not lubricated
- Check whether voltage tap-chan-
ger is correctly set
Overheating of motor, foot-control
and/or bed plate
All electrical equipments heat up
when running without causing da-
mage. Excessive heating can only be
due to overloading or heavy turning
of machine. It can be eliminated by
running machine more easily.
IMPORTANT: It is possible that, after considerable use, the mechanical
parts of the machine will require adjustment. If, by referring to the afore-
mentioned causes of trouble, you cannot bring your machine into good
condition, call
for your NECCHI dealer . He will put the machine into perfect
working order.
18
Chapter 2
SEWING WITHOUT THE
AUTOMATIC MECHANISM
NOTE: To execute the sewing works described in this chapter, it is necessary
to remove cams · from machine and stop the automatic mechanism (see para.
44 & 45) . .
· . 22:
STRAIGHT " SEWING
Zig-zag stitch lever « C ,, (Fig . 1): in left notch.
Stitch length knob « D » : set for desired stitch length. Normal length is
on no.
2.
NOTE: for straight seams on light fabrics, see para. 15.
23. TACKING .
After you have finished sewing, rei~force the seam by pressing button • R »
(Fig. 16) thus making a few stitches in reverse.
24. BASTING
Proceed as for normal sewing, but set knob « D » (Fig. 1) for the maximum
stitch length and loosen upper thread tension « T » (Fig. 11). This makes it
possible to effect long and loose stitches which can be easily unraveled.
19