Necchi Automatic Supernova Ultra Mark 2 - 11. To Regulate Stitch Length; 12. To Start Sewing

20. MAINTENANCE OF MACHINE
a) Oiling
\~~il\
~
To insure easy and trouble-
free running, the machine
requires oiling. If used
continuously, it should be
oiled every two days .
~
Fig. 27
Use Necchioil
or some good-qua-
lity light sewing
machine oil.
14
Fig. 26
The oiling points are indicated in Figs. 26,
27 & 28.
Let fall about ten drops of oil in hole • A •
(Fig. 26).
From time to time also oil shuttle rim and
shuttle race (see para. 20b).
· Fig. 28
b) To remove and replace the shuttle
If machine runs hard or jams slightly, this may be due to a piece of thread
which has been caught in shuttle race. · ·
To
correct this condition, pro-
ceed as follows:
-
Bring needle to its highest
position.
-
Tilt machine back on its
hinges and extract bobbin
case.
-
Push spring " Z " sideway.s
. -
with thumb of · right band
(fig. 29): . ~- -
- Turn race plate " T "
around its hinge.
-
Extract shuttle . " R ".
T
R
Fig. 29
- Carefully clean with <1 small brush and put a drop of oil in the shuttle
race . Also oil the rim of the shuttle.
-
Replace shuttle.
- Fit race plate onto the two short studs on the shuttle race and press it
· until spring blocks it in its housing.
-
Replace bobbin case and lower machine to wo~king Position.
c) · To clean feed dog and needle plate seat
- Remove needle plate (see note, para. 15).
- Clean feed dog teeth and needle plate with a small brush.
15
A,
.:.